ES2374154T3 - WRAPPING MATERIALS FOR SMOKING ITEMS. - Google Patents

Abstract

A wrapping material (180) for a smoking article, the wrapping material (180) comprising: a base sheet (184) having a main surface; and a plurality of bands (188, 190) applied to the main surface in the form of a drawing; each band comprising a plurality of layers (215, 218, 222, 226) applied one over the other; wherein at least one of the plurality of layers (215, 218, 222, 226) incorporates at least one flavoring agent as an additive; and at least one of the plurality of layers incorporates as a additive a hydrate material, characterized in that the additive includes a hydrate material and is selected from the group consisting of metal hydrate, borax, magnesium sulfate decahydrate, magnesium sulfate heptahydrate, silicate sodium pentahydrate, sodium sulfate decahydrate and combinations thereof.

Description

Wrapping materials for smoking articles

BACKGROUND OF THE INVENTION

The present invention relates to smoking articles and, in particular, to wrapping materials suitable for use as components of said smoking articles.

Popular smoking articles, such as cigarettes, have a substantially cylindrical rod-shaped structure and include a load, roll or column of smokable material such as chopped tobacco (for example, in the form of a cut fill) surrounded by a paper wrapper thus forming what is called a "smoking rod" or "tobacco rod". Normally, a cigarette has a cylindrical filter element aligned in an end-to-end relationship with the tobacco rod. Typically, a filter element comprises plasticized cellulose acetate tow circumscribed by a paper material known as "filter wrap." Certain cigarettes incorporate a filter element provided with several segments and one of these segments may comprise activated carbon particles. Typically, the filter element is attached to one end of the tobacco rod using a wrapping material that circumscribes it known as "nozzle paper". Too

15 it is increasingly desirable to pierce the nozzle material and the filter casing, in order to provide a dilution of the main stream of smoke aspirated with the ambient air. In Tobacco Production, Chemistry and Technology, Davis et al. (Eds.) 1999 descriptions of cigarettes and their various components are presented. In Durocher, TJI, 188-194 (3/1985) various properties of paper materials used for the manufacture of cigarettes and of cigarettes manufactured using those papers are set forth.

20 A cigarette is used by a smoker by lighting one end of the cigarette and burning the tobacco rod. The smoker then receives the main stream of smoke in his mouth by sucking at the opposite end (for example, the end of the filter) of the cigarette. During the time that the smoker does not aspire for the cigarette, said cigarette continues to burn. In addition, during the time that is not aspirated by the cigarette, a secondary stream of smoke is generated and enters directly into the atmosphere from the lit end of the cigarette.

25 Numerous attempts have been made to provide cigarettes that generate relatively low levels of secondary current of visible smoke. See, for example, U.S. Patent Nos. 4,924,888 of Perfetti et al .; and 5,143,098 of Rogers et al. Certain attempts to reduce the levels of secondary current of visible smoke generated by cigarettes have led to the use of tobacco rods that have several layers of wrapping materials that circumscribe them. See, for example, United States patents numbers 4,998,543 of

30 Goodman; 5,220,930 to Gentry; and 5,271,419 of Arzonico et al.

Numerous references propose applying films to the paper wrapping materials of tobacco rods. See, for example, U.S. Patents No. 1,909,924 to Schweitzer; 4,607,647 to Dashley; Y

5,060,675 from Milford et al.

Numerous attempts have been made to control the way a cigarette is burned when said cigarette does not

35 is being sucked. See, for example, U.S. Patent Nos. 2,666,437 to Lattof; 3,030,963 to Cohn; 4,146,040 to Cohn; 4,453,553 to Cohn; 4,489,650 to Weinert; 4,489,738 to Simon; and 4,615,345 to Durocher.

The paper wrapping materials with bands used for the manufacture of cigarettes have segments defined by the composition, location and properties of the various materials within said wrapping materials 40. Numerous references contain disclosures that suggest various configurations of wrapping material with bands. See, for example, United States patents No. 1,996,002 to Seaman;

Weinberger 1,999,222; 2,013,508 of Seaman; 4,452,259 to Norman et al .; 4,889,145 to Adams et al .; 5,417,228 to Baldwin et al .; 5,878,753 by Peterson et al., 5,878,754 by Peterson et al .; and 6,198,537 of Bokelman et al .; United States patent application 2002/0139381 by Peterson et al .; and PCT documents WO 02/37991 and

45 PCT WO 02/55294. Procedures have been proposed for manufacturing wrapping materials with bands. See, for example, U.S. Patents Nos. 4,739,775 to Hampl, Jr .; 4,945,932 to Mentzel et al .;

5,474,095 to Allen et al .; and PCT WO 02/44700 and PCT WO 02/055294. Papers with bands having segments of paper, fibrous cellulose or particulate material adhered to the paper sheet have also been proposed. See, United States patents numbers 5,191,906 to Myracle, Jr .; 5,263,999

50 by Baldwin et al .; 5,417,228 to Baldwin et al. and 5,450,863 of Collins et al .; and the US patent application 2002/0092621 of Suzuki.

WO 02/078471 A1 describes a wrapper to surround a tobacco column to create a smoking article that has a reduced ignition proneness, which includes an ignition end and a distal end, the wrapper having a base permeability and comprising an untreated area and at least one discrete area 55 treated with a substance that reduces permeability in an amount equivalent to between approximately 0.3 mircrograms per square millimeter to approximately 1.2 micrograms per square millimeter of substantially non-derivatized cellulose, applied using lithium chloride in dimethylacetamide, using said substance that reduces the permeability applied, a composition comprising said substance that reduces permeability

initially dissolved in a non-derivatized solvent mixture, which initially comprises a solvent and at least one ingredient that as part of the non-derivatized solvent mixture is a disruptor of the self-association for the substance that inhibits permeability, to reduce the base permeability so that when a carbon of a burning tobacco cone advances through the treated area, the smoking article will self-extinguish if it is placed on a surface

It would be desirable to provide a cigarette manufacturer with a form or method for producing a cigarette having controlled burn characteristics caused by alterations in the wrapping material of the tobacco rod of said cigarette.

SUMMARY

This objective is solved with the wrapping material of claim 1 and the smoking article of claim 9.

The present invention relates to wrapping materials for smoking articles, and methods for preparing these wrapping materials. The present invention also relates to smoking articles, such as cigarettes, which are manufactured using these wrapping materials. The wrapping material incorporates at least one fibrous material (for example, flax fibers, hard cellulose fibers and / or soft cellulose fibers) and most preferably, incorporates at least one filter material (for example, a material inorganic, essentially insoluble in water such as calcium carbonate in the form of particles). The wrapping material is deposited thereon, or applied thereon in any other way, at least one coating layer and, most preferably, a multilayer coating, in the form of a previously determined drawing.

In one aspect, the wrapping material has a coating in the form of a plurality of separate bands. Each band has a series of layers and each of these layers can be a continuous layer. Each layer most preferably comprises a film-forming material, such as a polymeric resin. A highly preferred film forming material is ethyl cellulose. At least one of the coating layers may have a filler material dispersed or suspended in the remaining components of the formulation used to provide said coating layer. A highly preferred filler material is provided by calcium carbonate particles.

In one aspect, the wrapping material includes a base sheet that has a main surface and that has a plurality of bands applied to said main surface in the form of a drawing. Each band has at least two layers and each layer can be a continuous layer. These layers include a first or bottom layer applied to a main surface of the base sheet, and a top layer applied to said bottom layer. In one aspect, the bottom layer is essentially the same width as the top layer. In another aspect, the top layer has a width greater than the bottom layer. If desired, at least one layer of the coating (ie, a primary coating) can be applied to the main surface before the application of the aforementioned drawing. If desired, at least one coating layer (i.e. an overcoat) may be applied on the main surface after application of the aforementioned drawing.

In another aspect, the wrapping material includes a base sheet that has a main surface and that has a plurality of bands applied to said main surface in the form of a drawing. Each band has at least three layers. These layers include a first or bottom layer applied to a main surface of the base sheet, an intermediate layer applied on said bottom layer and an upper layer applied on said intermediate layer. In one aspect, the bottom layer has a width different from that of the intermediate layer, and the intermediate layer has a width essentially equal to, or different from that of the upper layer. In another aspect, the bottom layer has a width essentially equal to that of the intermediate layer, and the intermediate layer has a width different from that of the upper layer. The width of the bottom layer may be greater than that of the intermediate layer and the width of the intermediate layer may be greater than that of the upper layer. Either or both of the intermediate and upper layers may have widths that are larger than those of the bottom layer. The upper layer may have a width that is greater than that of the intermediate layer. For a layer having a different width from that of another layer, each of these layers is more preferably positioned relative to each other so that both ends of each layer are equally offset with respect to the respective ends of another layer. If desired, at least one coating layer can be applied to the main surface prior to application of the aforementioned drawing. If desired, at least one coating layer can be applied on the main surface after application of the aforementioned drawing.

In another aspect, the wrapping material includes a base sheet that has a main surface and that has a plurality of bands applied to said main surface in the form of a drawing. Each band has at least four layers, and each layer can be a continuous layer. These layers include a first or bottom layer applied to a main surface of the base sheet, a second or intermediate bottom layer applied over said bottom layer, a third or upper intermediate layer applied over the second layer, and a fourth or fourth layer. upper applied on the third layer. For each band, the layer that is applied directly to the wrapping material (ie, the first or bottom layer) has a second layer applied thereon. The width of the second layer may be essentially the same as, greater than, or less than, that of the first layer. For a second layer that has

a different width from that of the first layer, the second layer is most preferably positioned with respect to the first layer so that both ends of said second layer are equally offset with respect to the ends of the first layer. The second layer has a third layer applied on it. The width of the third layer may be essentially the same as, greater than, or less than, that of the second layer. For a third layer having a width different from that of the second layer, the third layer is most preferably positioned relative to the second layer so that both ends of said third layer are equally offset with respect to the ends of the second layer. . The third layer has a fourth layer applied on it. The width of the fourth layer may be essentially the same as, greater than, or less than, that of the third layer. For a fourth layer having a width different from that of the third layer, the fourth layer is most preferably positioned with respect to the third layer so that both ends of said fourth layer are equally offset with respect to the ends of the third layer. . If desired, at least one coating layer can be applied to the main surface prior to application of the aforementioned drawing. If desired, at least one coating layer can be applied on the main surface after application of the aforementioned drawing.

In a preferred embodiment, the present invention relates to a wrapping material for a smoking article and a smoking article (eg, a cigarette) manufactured using said wrapping material. Most preferably, said wrapping material has a main surface of the fabric face and a main surface of the felt face. Said wrapping material also has a drawing applied to at least one main surface of the wrapping material substrate as a plurality of layers and, most preferably, the drawing is applied to the main surface of the fabric face. Preferably, at least one of the layers includes ethyl cellulose and calcium carbonate, calcium carbonate being more preferably present in an amount greater than ethyl cellulose, on a weight basis. A highly preferred wrapping material having such types of layers applied thereon has a substrate of smoking article wrapping material that includes approximately 70 parts by weight of fibrous material (eg, cellulose pulp fiber and / or fiber of linen) and about 10 parts by weight to about 90 parts by weight of filler material (eg, calcium carbonate particles), based on the combined weight of fibrous material and filler material; a ream weight of about 20 g / m2 to about 30 g / m2; an inherent porosity of approximately 20 CORESTA units to approximately 60 CORESTA units. Certain wrapping materials include drawings that have two, three or four layers and for certain preferred wrapping materials, all layers include ethyl cellulose and calcium carbonate, calcium carbonate being present in an amount greater than ethyl cellulose, on a base in which weight. The layers including ethyl cellulose and calcium carbonate can also optionally incorporate at least one plasticizer, at least one humectant and / or at least one optical bleach. Typically, the components of the layers including ethyl cellulose and calcium carbonate are applied to the wrapping material as a coating formulation comprising a majority of at least one non-aqueous solvent (eg, iso-propyl acetate ).

BRIEF DESCRIPTION OF THE FIGURES

Fig. 1 is a schematic illustration of an apparatus for applying printed drawings to wrapping materials, showing a side view of several gravure presses;

Fig. 2 is a perspective view of a portion of a sheet of a wrapping material;

Fig. 3 is an exploded perspective view of the smoking article, showing the smokable material, the components of the wrapping material and the filter element; Y

Fig. 4-22 are enlarged sectional side views of cigarette wrapping materials showing the multilayer coatings applied to the main surfaces of base sheets as bands that are longitudinally spaced and extend transversely to the longitudinal axes of said materials.

DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS

In accordance with the present invention, at least one coating layer and, most preferably, several layers of coating formulation are applied to the wrapping material, preferably using a printing method. Most preferably, the coating formulation is applied using gravure procedures. As such, gravure coating techniques, such as rotogravure printing techniques, are particularly preferred. Other techniques for coating the formulation on the wrapping material include blade coating techniques, hydraulic coating, roller coating and corrugated coating. Alternatively and / or additionally, the coating formulation layers may be applied by spraying, inkjet coating or other similar coating techniques. A printed wrapping material is provided with a drawing such that it is provided by applying at least one additive material to a shaped wrapping material. The drawing is applied to the wrapping material in what is called an out-of-line form (ie, off-line relative to the fabrication of the wrapping material).

Gravure printing techniques involve printing from the continuous surface of a mechanically or chemically engraved metal cylinder, or chemically engraved, so that it has tiny slots or cells below

the surface of said cylinder. A typical surface of a printing cylinder is provided by etching a smooth polished copper surface by chemical attack and galvanizing the surface etched with chromium. These recessed cells or slots retain liquid formulations (or liquid dispersion) forming prints, layers or "highlights". which are deposited on the desired position of a substrate, such as a continuous sheet of paper wrap material. Rotogravure presses are commercially available from Bobst Champlain, Inc .; de Cerutti S.p.A .; de Rotomek, S.p.A .; from Intra-Roto, Inc .; as Merkur Heliostar from Wirdmoller & Holscher, and KBA TR 7B of Albert-Frankenhal AG. In Pocket Pal, published by International Paper Company (1970); Scarlett et al., What the Printer Should Know About Ink (1984); and Gravure, Process and Technology, Grav. Educ. Fdn. and Grav. Assoc. Amer (1991) gravure printing techniques are described. Thus, the selection and operation of gravure equipment will be readily apparent to the person skilled in the art of printing. See, for example, United States patent application 2002/0139381 by Peterson et al. Equipment and techniques for applying coatings and inks to paper wrapping materials suitable for the manufacture of cigarette tobacco rods are set forth in US Patents Nos. 5,060,675 to Milford et al .; 5,878,753 to Peterson et al .; 5,878,754 to Peterson et al .; and PCT document WO 02/37991. See also U.S. Patent No. 4,474,110 to Rosner.

Referring to Fig. 1, a gravure press 10 of the type useful for printing desired components is shown as predetermined drawings on wrapping materials. In operation, a wrapping material 14 is unwound from a large emission cylinder 17. The emission cylinder 17 is shown rotating in a clockwise direction, causing the continuous sheet of wrapping material 14 to run in the direction shown by arrow 20. The size of the emission cylinder may vary and an exemplary emission cylinder provides a continuous sheet approximately 78.7 cm (31 inches) wide and approximately 16,000 meters long. The continuous sheet of wrapping material is successively passed through a plurality of printing stations and drying stations, shown as a series of four printing stations 25, 27, 29 and 31 and four drying stations 33, 35, 37, 39. The resulting printed and dried sheet is then wound on a receiving cylinder 44 (ie, the wrapping material is adapted so that it can be rolled over or like a cylinder).

The receiving cylinder is then unwound and cut to provide a plurality of sheets of the desired size, and these sheets are rewound into coils for use in cigarette preparation machines for the manufacture of cigarette rods for cigarettes (not shown). The dried wrapping materials of the present invention preferably have liquid vehicle levels or residual solvent that are less than about 300 mg / ream (a ream being 279 m2 (3,000 square feet)).

The first printing station 25 includes a first chemically engraved printing cylinder 48 which rotates clockwise through a first liquid coating mixture (or liquid dispersion) or printing formulation 51. Such printing or ink formulation 51 is located in a first tray or tray 54 and part of this ink within said tray is collected on the face of the printing surface (not shown) of said cylinder 48. An exemplary printing cylinder is a metal cylinder having a length cylinder side of approximately 137 cm (54 inches) and a diameter of approximately 28.6 cm (11.28 inches); and said cylinder has a region chemically engraved enough to print the sheet in the desired manner (for example, a region of 78.7 cm (31 inches) etched on the face of the cylinder is sufficient to print a sheet of 78.7 cm ( 31 inches) wide). Optionally, the cylinder 48 and the tray 54 containing the ink 51 may be equipped with heating equipment (not shown). The heating of the ink to high temperatures is desirable for certain printing formulations that would otherwise have relatively high viscosities at temperatures that approximate those of the ambient conditions.

A first blade 56 (for example, a steel blade that extends along the face of the printing surface of the cylinder) is located downstream of the tray 54 and is located against the chemically etched surface of the first cylinder 48 of printing in such a way as to sweep the excess ink from said cylinder while allowing the desired ink to be retained for printing within the engraved grooves of said cylinder. The continuous sheet 14 of wrapping material passes through a system 60 of tension compensation cylinders and between the first printing cylinder 48 and a first printing cylinder 68. When the wrapping material passes the region between the printing cylinder 48 and the printing cylinder 68, the compression forces provided between the surfaces of the two cylinders cause the ink to be transferred from the printing cylinder, and pressed on (and therefore applied) to the wrapping material. Depending on the pattern engraved on the surface of the printing cylinder, a pattern is printed on a main surface (not shown) of the wrapping material. The amount of ink deposited on the substrate in a particular region of said substrate depends on factors such as the depth of each recorded cell, the area of each cell and the separation between the cells. A large number of recorded cells with a relatively large volume that are close together allows a relatively large amount of ink to be deposited on a substrate. For example, example coatings may have layers by which the line pattern is such that the first layer is coated at approximately 101 dots per square inch and the subsequent second, third and fourth layers are coated at approximately 81 dots per square inch; and alternatively, example coatings may have layers by which the line pattern is such that all layers are coated at approximately 81 dots per square inch. The ink is printed on the main surface of the wrapping material in the form of a discrete or raised layer.

After applying the coating formulation to the wrapping material, the liquid vehicle or liquid solvent is removed from the wrapping material ink. Typically, the liquid is removed by evaporation techniques, which is usually provided by heating the wrapping material. As such, the printed wrapping material is passed through a first dryer 33 to remove the liquid solvent or vehicle (eg, by evaporation) from the printed region of the wrapping material. An example dryer is a gas-heated high-speed forced air oven having a longitudinally extending heating space of approximately 12.2 m (40 feet). Typically, the dryer is set to a desired temperature (for example, approximately 60 ° C (140 ° F)), and a given portion of the printed wrapping material is present inside the dryer for about 1 second to about 5 seconds, and usually about 2 to about 3 seconds. Each respective dryer can be adjusted to a different temperature, depending on factors such as the volatility and amount of the particular solvent or liquid vehicle. Typically, the wrapping material is heated and treated sufficiently to remove residual solvent from the coating formulation such that the residual amount of solvent is present in an amount that is sufficiently low so as not to adversely affect the characteristics of behavior, chemical nature or sensory characteristics of the smoke generated by a smoking article made from the wrapping material.

The continuous sheet of wrapping material 14 is then passed through a second printing station 27. The second printing station 27 includes a second engraved printing cylinder 75 that is rotated clockwise through a second liquid coating mixture (or liquid dispersion) or printing formulation 77. Such printing or ink formulation 77 is located in a second tray or tray 79 and part of this ink inside said tray is collected on the face of the printing surface (not shown) of said cylinder 75. Optionally, the ink can be subjected to elevated temperatures by heating the cylinder 75 and the tray 79.

A second blade 83 is located downstream of the tray 79 and is disposed against the etched surface of the second printing cylinder 79 in such a way as to sweep the remaining ink from said cylinder while allowing the desired ink to be retained for printing in the recorded grooves of said cylinder. The continuous sheet of wrapping material 14 passes through a system 85 of tension compensation cylinders and between the second printing cylinder 75 and a second printing cylinder 85. The ink is transferred from the printing cylinder 75 and therefore applied to the wrapping material 14 when the wrapping material passes the region between the printing cylinder and the printing cylinder 90. Depending on the pattern engraved on the surface of the printing cylinder. printing, a second drawing is printed on a main surface (not shown) of the wrapping material. The ink is printed on the main surface of the wrapping material in the form of a discrete layer

or highlight. The printed wrapping material is then passed through a second dryer 35 to remove the liquid solvent or vehicle (eg, by evaporation) from the printed region of the wrapping material. Preferably, the ink of the second printing station is printed directly on top of the previously printed layer; that is, using types of printing techniques known as "trap printing".

The continuous sheet of wrapping material 14 is then passed through a third and fourth printing stations 29, 31 and third and fourth drying stations 37, 39, respectively and successively. The types of components and form of operation of these third and fourth printing stations and drying stations are essentially identical to those of the first two printing and drying stations described above. In addition to the printing press 10 of the type shown in Fig. 1 (ie, a press having four printing stations), similar types of printing presses having other numbers of printing stations (for example, 2, 3, 5, 6, 7, 8, 9 6 10 print stations).

Certain printing stations of the printing press 10 can be modified if desired. For example, certain printing stations can be properly configured so as to allow printing on both sides (ie, on both main surfaces) on the wrapping material. In addition, the printing stations can be properly configured with heating apparatus to allow the printing of certain film-forming materials in solid form (i.e., solvent free).

The various printed layers are aligned or registered so that a coating of a predetermined pattern can be provided on a main surface of the wrapping material. The most desirable is to employ automatic detection devices 92, 94, 96 and 98, in order to identify and control the positioning of various coated layers, and thereby provide the alignment or registration of these layers. Each respective detector system is positioned downstream of the printing cylinder / stamping cylinder combination, detects that the shoulder has already been printed and provides an outlet to control the recording of the printing of a subsequent coating layer on the top of The previously printed layer. Such automatic detection devices are particularly useful for recording the application of various printing formulations on materials that are moving at relatively high speeds (eg, greater than about 152 m / min (500 ft / min)). Suitable automatic detection devices are optical detection devices that operate in the visible, ultraviolet or near infrared range. As such, an appropriate detector is connected to a computer and / or a controller that can perform the function of automatically controlling the position in which subsequent printing cylinders apply the various layers in the desired printed pattern (i.e., there is a control of the registration of the different printed layers).

Certain coating formulations, such as those that are transparent and colorless, can be difficult to align, in particular when visual alignment techniques are used. In order to employ detection devices, such as sensors in the visible and ultraviolet range, in order to help locate printed layers in the wrapping material, it is often desirable to incorporate an effective amount of a suitable optical bleach into the formulation. Coating. Exemplary recording systems include the Autotron 2600D from PressTech Controls Ltd., the View Point Vision System from CC1, the PC3100 series systems available from Eltromat Electronics, Inc., and the ultraviolet detection systems available from Dr. Grobel UV-Elektronic GmbH. Such types of systems can be used for quality control purposes, as well as to ensure the correct alignment of the numerous printed layers of the desired pattern.

Typically, registration marks in the " dead space " on any of the end sides of the wrapping material are identified using suitable detection equipment, and the collected data associated with the position of a printed layer are used to align and record the position when subsequent layers are printed using subsequent printing cylinders. It is also desirable to provide on each print face of the cylinder a marked reference point to provide a characteristic printed form in the region of the dead space on the opposite side of the wrapping material in a predetermined position. As such, an operator of the machine can manually identify these printed marks (for example, by using a suitable strobe light), compare the position of these marks and determine whether or not the subsequent printing cylinders correctly apply the subsequent formulations of printing in the appropriate positions. In the case that several layers are not applied in the desired positions, the operation adjustment of the subsequent printing cylinders can be made in order to ensure the correct alignment of the various printed layers.

If desired, the wrapping material can be evaluated to determine its porosity and ream weight before the time when the wrapping material is wound on the receiving cylinder. Typical devices designed to determine the porosity and weight of the coating of the printed wrapping material do not often provide an accurate and reliable measure of the wrapping material traveling at relatively high speeds common during the use of gravure equipment. Although a printed sample of a cylinder can be obtained and evaluated to determine the appropriate porosity and coating weight, it is desirable to measure these properties of a printed wrapping material in an "online" form, in particular to help ensure application. consistent and effective printing formulation. In order to facilitate an automatic online measurement of the porosity and weight of the coating (for example, using equipment available from suppliers such as Borgwaldt and Extrol, respectively), a festoon system is incorporated (similar to that found in typical gravure presses) in the printing press, in particular in the printing press region after the last printing cylinder and before the receiving cylinder. In the region of the festival system, the application weight sensors and the porosity inspection systems are located. Reducing the speed of passage of the wrapping material in the region of the festoon system provides the opportunity for the appropriate measuring devices to record the readings accurately. As such, appropriate adjustments can be made in the process conditions easily in case it is observed that the wrapping material is outside the specifications.

The operation of a holiday system and its use to measure and control properties of a printed wrapping material can be described as follows. After the final printing station, a pressure cylinder is used on the outlet side to control the tension of the moving sheet. After this pressure region on the outlet side, a festoon section is used to accumulate sheet at the desired time increments. A second pressure cylinder on the separate outlet side after the festoon section controls the tension of the sheet before winding in a receiving cylinder. Typically, when measurements are taken on the printed sheet, the winding speed of the finishing cylinder is reduced while the printing equipment continues to maintain a stationary production speed. The additional printed sheet that has not been wound on the finishing cylinder slows down to an appropriate speed for exact line measurement. Once the appropriate measurements are recorded, the finishing cylinder is allowed to regain speed up to the appropriate line speed and the sheet is removed in excess of the feast section. Said process stage occurs in the desired time increments dictated by the components necessary for the desired process control.

After the printing is completed, the printed wrapping material 14 can be collected from the receiving cylinder 44 and cut to the desired dimensions. Cut wrap materials are normally provided in the form of reels for use in conventional cigarette manufacturing equipment. An example cut wrapping material is approximately 27 mm in transverse length and, as such, can be used to provide a tobacco rod of approximately 24.5 mm in circumference and approximately 2.5 mm for an overlap seal or overlay area. for a line of adhesive. The wrapping material can be cut into other dimensions, depending on factors such as the desired circumference of the tobacco rod and the desired overlap for the adhesive line.

Referring to Fig. 2, a portion of a cut sheet of printed wrapping material 180 shown as a cut at each end is shown. The printed wrapping material 180 has a base sheet 184 and there are two bands 188, 190 shown printed on the upper main surface of the wrapping material and positioned so that they extend in a direction transverse to the longitudinal axis of the wrapping material. The printed wrapping material 180 has a transverse length L of approximately 27 mm. The bands 188, 190 are

show each having width w; and the bands are separated by a distance d. Most preferably, the bands 188, 190 are each continuous bands (ie, these bands completely cover the regions of the wrapping material on which they are printed, and no portion of the wrapping material on which they are printed remains unprinted. printed, and there is no portion of the unprinted wrapping material in the regions of the bands). However, certain preferred continuous bands may include two or more layers and at least one of these layers may have the shape of a discontinuous drawing.

Referring to Fig. 3, the components of a smoking article 194 in the form of a cigarette are shown. The cigarette 194 includes a generally cylindrical rod 196 of a load or cylinder of smokable material 198 contained in a wrapping material 180 which circumscribes it of the present invention. The rod 196 is conventionally referred to as "tobacco rod". The ends of the tobacco rod are open to expose the smokable filler material. On one end of the tobacco rod 196 is the ignition end 199, and on the other end a filter element 200 is shown. The cigarette 194 is shown provided with a printed band 188 on the printed wrapping material 180, and said band circumscribes the cigarette rod in a direction transverse to the longitudinal axis of the cigarette. That is, the band provides a region in the transverse direction relative to the longitudinal axis of the cigarette. The band can be printed on the inner surface of the wrapping material (i.e., facing the smokable filler material) or on the outer surface of the wrapping material. Although the cigarette shown in Fig. 3 has wrapping material that has a band, the cigarette may also have wrapping material that has separate bands numbered two, three or more. For a cigarette that has wrapping material that has several bands, the bands may be identical, or virtually identical, in terms of composition, weight, dimensions or the like. In addition, it is desirable that the leading edge of the printed strip located closer to the ignition end 199 of the cigarette be at least about 5 mm, and often at least about 10 mm, from the ignition end of the cigarette.

The cigarette 194 normally includes a filter element 200 or other suitable nozzle located adjacent to one end of the tobacco rod 196 such that the filter element and the tobacco rod are axially aligned in an end-to-end relationship, preferably of mutual contact. . The filter element 200 has a generally cylindrical shape and its diameter is essentially the same as the diameter of the tobacco rod. The ends of the filter element are open to allow the passage of air and smoke through it. The filter element 200 includes filter material 202 (for example, plasticized cellulose acetate tow) which is coated along its longitudinally extending surface with the filter wrapping material 206 that circumscribes it. The filter element 200 may have two or more filter segments and / or aroma additives incorporated therein.

The filter element 200 is attached to the tobacco rod 196 by the nozzle material 208 which circumscribes both the entire length of the filter element and the adjacent region of the tobacco rod. The inner surface of the nozzle material 208 is fixedly attached to the outer surface of the filter shell 206 and the outer surface of the tobacco rod wrap material 180, using a suitable adhesive. A ventilated or air-diluted smoking article is provided with an air dilution medium, such as a series of perforations 210, each of which extends along the nozzle material and the filter envelope.

The tobacco rod 196, the filter element 200 and the cigarette 194 that originates from its combination can be manufactured using conventional techniques and equipment for manufacturing cigarettes and components for cigarettes, without any extensive modification, if produced, in the art. and conventional equipment. The forms and procedures suitable for the commercial production of cigarettes of the present invention will be apparent to those skilled in the art of cigarette manufacturing.

Cigarettes of the present invention possessing tobacco rods manufactured using certain wrapping materials appropriately treated of the present invention, when tested using the methodology described in the Cigarette Extinction Test Method " Cigarette Extinction Test Procedure " of the National Institute of Standards and Technology (NIST), Publication 851 (1993) using 10 layers of Whatman No. 2 filter paper, met the criteria that require the extinction of more than about 50 percent, preferably more than about 75 percent and, most preferably, approximately 100 percent, of the cigarettes tested. Certain cigarettes of the present invention possessing tobacco rods manufactured using certain wrapping materials appropriately treated of the present invention, when tested using the methodology described in the ASTM designation: E 2187-02b using 10 layers of Whatman filter paper No. 2, met the criteria that require the extinction of more than about 50 percent, preferably more than about 75 percent and, most preferably, about 100 percent, of the cigarettes tested. Preferably, each cigarette has at least one band located in a region of its tobacco rod such that the band can provide the cigarette with the ability to meet these criteria for cigarette extinction. For a tobacco rod of a given length incorporating a wrapping material having bands that are transversely aligned with respect to the longitudinal axis of the wrapping material in a separation relationship and the relationship of the length of the tobacco rod to the sum of the width of a band and the distance between the bands is 1 to 2, preferably 1.1 to about 1.4 and, most preferably about 1.2.

For a cigarette with all its example flavor having a length of tobacco rod of approximately 63 mm and a length of the filter element of approximately 21 mm, bands may be spaced in the direction

transverse of approximately 6 mm in width at intervals of approximately 20 mm in the wrapping materials used to make these cigarettes. Alternatively, for these types of cigarettes, bands of approximately 4 mm may be spaced at intervals of approximately 22 mm in the wrapping materials used to make these cigarettes. Alternatively, for these types of cigarettes, bands of approximately 6 mm may be spaced at intervals of approximately 39 mm. For a cigarette with all of its exemplary flavor that has a tobacco rod length of approximately 70 mm and a length of the filter element of approximately 30 mm, bands in the transverse direction of approximately 6 mm in width may be spaced at intervals of approximately 44 mm in the wrapping materials used to make these cigarettes. For a cigarette with a very low tar content, having a length of tobacco rod of approximately 57 mm and a length of the filter element of approximately 27 mm, bands in a transverse direction of approximately 7 mm in width may be spaced at intervals of approximately 20 mm Alternatively, for these types of cigarettes, bands of approximately 6 mm may be spaced at intervals of approximately 33 mm or at intervals of approximately 39 mm in the wrapping materials used to make these cigarettes. For a cigarette with a very low tar content, having a length of tobacco rod of approximately 68 mm and a length of the filter element of approximately 31 mm, bands in a transverse direction of approximately 6 mm in width may be spaced at intervals of approximately 44 mm in the wrapping materials used to make these cigarettes. Cigarettes with all their flavor are classified as those that provide approximately 14 mg or more of "tar" FTC Cigarettes with very low tar content are classified as those that provide less than about 7 mg of "tar" FTC These cigarettes, which possess tobacco rods that have appropriate wrapping materials that possess bands that include appropriate amounts of appropriate components, have the ability to meet the criteria for extinguishing aforementioned cigarettes.

The cigarettes of the present invention can be manufactured from a variety of components, and can have a wide range of formats and configurations. Typical cigarettes of the present invention having bands in the transverse direction applied to the wrapping materials of the tobacco rods of these cigarettes have static burn rates (i.e. burn rates of these cigarettes in conditions of no aspiration) of approximately 50 to about 60 mg of tobacco rod weight per minute, in the non-band regions of these cigarettes. Typical cigarettes of the present invention having bands in the transverse direction applied to the wrapping materials of the tobacco rods of these cigarettes have static burn rates (i.e. burn rates of these cigarettes in conditions of no aspiration) of approximately 40 to about 45 mg of tobacco rod weight per minute, in the regions with bands of these cigarettes.

The tobacco materials used for the manufacture of cigarettes of the present invention may vary. Descriptions of various types of tobacco, growth practices, collection practices and curing practices are described in Tobacco Production, Chemistry and Technology, Davis et al. (Eds.) (1999). Tobacco is normally used in the form of a cut filler (e.g., strands or fibers of cut filler tobacco in widths of about 0.25 cm (1/10 inches) to about 0.04 cm (1/60 inches), preferably approximately 0.13 cm (1/20 inches) to approximately 0.07 cm (1/35 inches) and in lengths of approximately 0.63 cm (1/4 inches) to approximately 7.62 cm (3 inches)). The amount of tobacco load normally used in a cigarette ranges from about 0.6 g to about 1 g. The tobacco load is usually used to fill the tobacco rod at a filling density of about 100 mg / cm3 to about 300 mg / cm3, and often from about 150 mg / cm3 to about 275 mg / cm3. Tobaccos have a processed form such as processed tobacco stems (for example, agglomerated cut stems or swollen cut), expanded tobacco (for example, inflated tobacco, such as propane expanded tobacco and dry ice expanded tobacco (DIET)), or reconstituted tobacco (for example, reconstituted tobacco manufactured using papermaking or molded sheet type procedures).

Typically, tobacco materials for the manufacture of cigarettes are used in a form called "mixing." For example, certain popular tobacco blends commonly referred to as "American blends" they comprise mixtures of smoke-cured tobacco, Burley tobacco and oriental tobacco and, in many cases, certain processed tobacco such as reconstituted tobacco and processed tobacco stalks. The exact amount of each type of tobacco in a mixture of tobacco used for the manufacture of a particular brand of cigarettes varies between brands. See, for example, Tobacco Encyclopedia, Voges (Ed.) Pages 44-45 (1984), Browne, The Design of Cigarettes, 3rd Ed., Page 43 (1990) and Tobacco Production, Chemistry and Technology, Davis et al. (Eds.) Page 346 (1999). Other representative tobacco blends are also described in U.S. Patent Nos. 4,924,888 to Perfetti et al .; 5,056,537 to Brown et al .; and 5,220,930 from Gentry; and Bombick et al., Fund. Appl. Toxicol., 39. pages 11-17 (1997). Other representative tobacco blends are also described in PCT WO 02/37990; U.S. Patents Nos. 4,836,224 to Lawson et al .; 5,159,942 to Brinkley et al .; 5,360,023 to Blakley et al .; and 5,714,844 by Young et al .; United States patent applications 2002/0000235; 2003/0075193; and 2003/0131859; and US patent applications serial numbers 10 / 285,395, filed on October 31, 2002 and 10 / 463,211, filed on June 17, 17,293.

If desired, in addition to the aforementioned tobacco materials, the tobacco mixture herein

Invention may additionally include other components. Other components include immersion flavored materials " sauces " (for example sugars, glycerin, cocoa and licorice) and spray flavored materials (for example flavored materials such as menthol). The selection of the particular components of salsated and spray-flavored depends on factors such as the desired sensory characteristics and the selection of these components will be readily apparent to those skilled in the art of drawing and manufacturing cigarettes. See, Gutcho, Tobacco Flavoring Substances and Methods, Noyes Data Corp. (1972) and Leffingwell et al., Tobacco Flavoring for Smoking Products (1972).

Smoking materials may also incorporate at least one flavor component in the side seal adhesive applied to the wrapping material during the manufacture of the tobacco rods. That is, for example, various flavorings can be incorporated into an adhesive CS-220 1 A of the side seal available from R.J. Reynolds Tobacco Company, and is applied to the sealing line of the wrapping material. These flavorings are used for the purpose of masking or reducing any bad taste or smell contributed to the smoke generated by the smoking articles as a result of the use of the wrapping materials of the present invention, such as wrapping materials having printing formulations that incorporate ethyl cellulose, nitricellulose or starch therein. Example flavors include methyl cyclopentanolone, vanillin, ethyl vanillin, inulin, 4-parahydroxyphenyl-2-butanone, gammaundecalactone, 2-methoxy-4-vinylphenol, 2-methoxy-4-methylphenol, 5-ethyl-3-hydroxy-4-methyl -2 (5H) -furanone, methyl salicylate, essence of amaro and essence of sandalwood. Typically, such types of flavor components are used in amounts of about 0.2 percent to about 6.0 percent, based on the total weight of the adhesive and the flavor components.

The wrapping materials of the present invention can also be used in the manufacture of tobacco rods that have more than one layer of wrapping material that circumscribes it, such as the tobacco rods called "double wrap." That is, the wrapping material of the present invention can be used as an inner wrap or outer wrap of double wrap tobacco rods. By way of example, cigarettes, components, parameters and specifications thereof are described in US Pat. No.

5,220,930 to Gentry; PCT WO 02/37990 and United States patent application 2002/0166563. Representative filter element components and drawings are described in Browne, The Design of Cigarettes, 3rd Ed. (1990); Tobacco Production, Chemistry and Technology, Davis et al. (Eds.) (1999); U.S. Patents Nos. 4,508,525 to Berger; 4,807,809 of Pryor et al .; 4,920,990 by Lawrence et al .; 5,012,829 to Thesing et al .;

5,025,814 to Raker; 5,074,320 to Jones, Jr. et al. ; 5,101,839 of Jakob et al .; 5,105,834 of Saintsing et al .;

5,105,838 of White et al .; 5,271,419 to Arzonico et al .; 5,360,023 to Blakley et al; 5,595,218 to Koller et al .;

5,718,250 of Banerjee et al .; and 6,537,186 from Veluz; United States patent applications 2002/0014453; 2002/0020420; and 2003/0168070; U.S. Patent Application Serial Number 10 / 600,712, filed June 23, 2003; PCT document WO 03/059096; and European patent number 920816. Representative filter materials can be manufactured from bast materials (eg, cellulose acetate or polypropylene bast) or puckered sheet materials (eg, puckered paper sheets, cellulose acetate; polypropylene or polyester).

The wrapping materials of the present invention are useful for the manufacture of cigarettes designed to have a low propensity to light. That is, cigarettes that incorporate certain wrapping materials of the present invention, when placed on a flammable substrate, tend to self-extinguish before burning said substrate. Of particular interest are cigarettes that possess tobacco rods made using appropriate wrapping materials that possess bands that include appropriate amounts of appropriate components so that they have the ability to meet the aforementioned cigarette extinction criteria.

The wrapping material that is further processed to provide the wrapping material with the drawing of the present invention can have a wide range of compositions and properties. The selection of a particular wrapping material will be readily apparent to those skilled in the art of drawing and manufacturing cigarettes. Typical paper wrapping materials are manufactured from fibrous materials and optional fillers, forming what is called "base sheets." The wrapping materials of the present invention can be manufactured without significant modifications with respect to the production techniques or process equipment used to make this wrapping material.

Typical base sheets of wrapping material suitable for use as wrappers that circumscribe tobacco rods for cigarettes having ream weight that may vary. Typical dry base weights of the base sheets are at least about 15 g / m2 and are often at least about 20 g / m2; Although typical dry-based ream weights do not exceed approximately 80 g / m2, and often do not exceed approximately 60 g / m2, many base sheets of preferred wrapping material have ream weights less than 50 g / m2, and even less than 40 g / m2. Certain base sheets of preferred paper wrap material have ream weights of about 20 g / m2 to about 30 g / m2.

Base sheets of typical wrapping material for use as wrappers that circumscribe cigarette tobacco rods have inherent porosities that may vary. Typical base sheets for cigarettes have inherent porosities that are at least about 5 CORESTA units, usually at least about 10 CORESTA units, often at least about 15 CORESTA units and often at least about 20 CORESTA units. Typical base sheets have inherent porosities

which are less than approximately 200 CORESTA units, are usually less than approximately 150 CORESTA units, are often less than approximately 85 CORESTA units, and are often less than approximately 70 CORESTA units. A CORESTA unit is a measure of the linear velocity of air that passes through an area of 1 cm2 of wrapping material at a constant pressure of 1 kPa. See CORESTA publication ISO / TC0126 / SCI N159E (1986). The term "inherent porosity" refers to the porosity of the wrapping material itself to the air flow. A base sheet of preferred paper wrap material includes paper pulp and calcium carbonate, and has an inherent porosity of about 20 to about 50 CORESTA units.

Base sheets of typical wrapping material suitable for use as wrappers that circumscribe cigarette tobacco rods incorporate at least one type of fibrous material and can incorporate at least one filler material, in varying amounts. Typical base sheets include about 55 to about 100, often about 65 to about 95, and often about 70 to about 90 percent fibrous material (most preferably a cellulose material) and about 0 to about 45, often about 5 to about 35, and often about 10 to about 30 percent of filler material (which is most preferably an inorganic material); based on the dry weight of said base sheet.

The wrapping material incorporates a fibrous material. Fibrous material may vary. Most preferably, the fibrous material is a cellulosic material, and the cellulosic material can be a lignocellulosic material. Exemplary cellulose materials include flax fibers, hard cellulose fibers and / or soft cellulose fibers, coffee fibers, esparto fibers, Kenaf fibers, jute fibers and sisal fibers. Mixtures of two or more types of cellulose materials can be used. For example, wrapping materials may incorporate mixtures of flax fibers and cellulose pulp. The fibers may be bleached or unbleached. Other fibrous materials that can be incorporated into the wrapping materials include microfibrous materials and fibrous synthetic cellulose materials. See, for example, U.S. Patent Nos. 4,779,631 to Durocher and 5,849,153 to Ishino. Fibrous materials and representative processes for the preparation of wrapping materials therefrom are described, for example, in US Patents Nos. 2,754,207 to Schur et al; and 5,474,095 to Allen et al .; and in PCT document WO 01/48318.

The wrapping material normally incorporates a loading material. Preferably, the filler material is in the form of essentially water insoluble particles. In addition, the loading material normally incorporates inorganic components. Fillers that incorporate calcium salts are particularly preferred. An example filler material has the form of calcium carbonate and calcium carbonate is most preferably used in the form of particles. See, for example, U.S. Patent Nos. 4,805,644 to Hampl; 5,161,551 to Sanders; and 5,263,500 from Baldwin et al .; and PCT document WO 01 / 48.316. Other fillers include agglomerated calcium carbonate particles, calcium tartrate particles, magnesium oxide particles, magnesium hydroxide gels; magnesium carbonate materials, clays, diatomaceous earth materials, titanium dioxide particles, gamma-alumina materials and calcium sulfate particles. See, for example, U.S. Patent Nos. 3,049,449 to Allegrini; 4,108,151 of Martin; 4,231,377 to Cline; 4,450,847 to Owens; 4,779,631 to Durocher; 4,915,118 to Kaufman; 5,092,306 to Bokelman; 5,109,876 to Hayden; 5,699,811 to Paine; 5,927,288 to Bensalem; 5,979,461 to Bensalem; and 6,138,684 of Yamazaki; and European patent application 357,359. Certain load-type materials that can be incorporated into the wrapping materials may have fibrous shapes. For example, the components of the filler material may include materials such as glass fibers, ceramic fibers, carbon fibers and calcium sulfate fibers. See, for example, U.S. Patent Nos. 2,998,012 to Lamm; 4,433,679 to Cline; and 5,103,844 of Hayden et al .; PCT WO 01/41590; and European patent application 1,084,629. Mixtures of fillers can be used. For example, the compositions of fillers can incorporate mixtures of calcium carbonate particles and precipitated magnesium hydroxide gel, mixtures of calcium carbonate particles and calcium sulfate fibers or mixtures of calcium carbonate particles and particles of magnesium carbonate.

There are various ways by which the various additive components can be added to, or otherwise incorporated into, the base sheet. Certain additives may be incorporated into the wrapping material as part of the papermaking process associated with the production of said wrapping material. Alternatively, the additives can be incorporated into the wrapping material using sizing press techniques, spraying techniques, printing techniques or the like. Such techniques, known as "off-line techniques" they are used to apply additives to the wrapping materials after said wrapping materials have been manufactured. Various additives can be added to, or otherwise incorporated into, the wrapping material simultaneously or at different stages during or after the papermaking process.

The base sheets can be further treated and, these base sheets can be treated to impart a change in their general physical characteristics and / or to introduce a change in their general chemical compositions. For example, the base sheet can be perforated electrostatically. See, for example, patent number 4,924,888 of Perfetti et al. The base sheet can also be embossed, for example, in order to provide a larger surface thereof. Additives may be incorporated into the wrapping material for a variety of reasons. Representative additives and procedures for incorporating these additives into the materials of

wrap are described in U.S. Patent No. 5,220,930 to Gentry. See also U.S. Patent No. 5,168,884 to Baldwin et al. Certain components, such as alkali metal salts, can act as additives to control burning. Representative salts include succinates, citrates, acetates, malate, carbonates, chlorides, tartrates, propionates, nitrates and alkali metal glycolate; including sodium succinate, potassium succinate, sodium citrate, potassium citrate, sodium acetate, potassium acetate, sodium malate, potassium malate, sodium carbonate, potassium carbonate, sodium chloride, potassium chloride, sodium tartrate, potassium tartrate, sodium propionate, potassium propionate sodium, potassium nitrate, sodium glycolate and potassium glycolate; and other salts such as monoammonium phosphate. See, for example, United States patents numbers

2,580,568 to Matthews; 4,461,311 to Matthews; 4,622,983 to Matthews; 4,941,485 of Perfetti et al .; 4,998,541 of Perfetti et al .; and PCT document WO 01/08514. Certain components, such as metal citrates, can act as ash conditioners or ash sealants. See, for example, the European patent application

1,084,630. Other representative components include organic and inorganic acids, such as malico, levulfnic, boric and lactic acids. See, for example, U.S. Patent No. 4,230,131 to Simon. Other representative components include catalytic materials. See, for example, U.S. Patent No. 2,755,207 of Frankenburg. Typically, the amount of chemical additives does not exceed approximately 3 percent, often does not exceed approximately 2 percent, and usually does not exceed approximately 1 percent, based on the dry weight of wrapping material to which the chemical additive is applied . For certain wrapping materials, the amount of certain additive salts, such as chemical compounds for burning, such as potassium citrate and monoammonium phosphate, are preferably in the range of about 0.5 to about 0.8 percent based on dry weight of wrapping material to which these additive salts are applied. Relatively high levels of additive salts can be used in certain types of printed wrapping materials with printed regions that are very effective in causing the extinction of cigarettes made from these wrapping materials. Examples of wrapping materials for flax-containing cigarette paper that have relatively high levels of chemical additives are available as grades 512, 525, 527, 540, 605 and 664 from Schweitzer-Mauduit International. Examples of cigarette paper wrap materials containing pulp that have relatively high levels of chemical additives are available as grades 406 and 419 of Schweitzer-Mauduit International.

Flavoring agents and / or flavor and aroma precursors (for example, vanillin glucoside and / or ethyl vanillin glucoside) can also be incorporated into the paper wrapping material. See, for example, U.S. Patent Nos. 4,804,002 to Herron; and 4,941,486 of Dube et al. Flavoring agents can also be printed on cigarette papers. See, for example, the types of flavorings used in the manufacture of cigarettes described in Gutcho, Tobacco Flavoring Substances and Methods, Noyes Data Corp. (1972) and Leffingwell et al., Tobacco Flavoring for Smoking Products (1972).

Films can be applied to paper. See, for example, 4,889,145 to Adams; United States Patent Number

5,060,675 by Milford et al., And PCT WO 02/43513 and PCT WO 02/055294. Catalytic materials can be incorporated into the paper. See, for example, the document, PCT WO 02/435134.

Typical paper wrapping materials that can be used in the realization of the present invention are manufactured to specifications directed to the production of a wrapping material having a composition and physical parameters generally consisting as a whole. For these types of wrapping materials, their composition and parameters are preferably consistent when considered in regions of each of the main surfaces of these materials. However, typical wrapping materials tend to have a "bicara" nature. and, therefore, there may be changes in the composition and certain physical parameters of these materials from one main surface to the other.

Although less preferred, the wrapping material can be manufactured using a papermaking process adapted to provide a base sheet comprising several layers of cellulosic material. See, U.S. Patent No. 5,143,098 to Rogers et al.

Many less preferred, preferred paper wrap materials may have compositions and / or properties that differ between different regions of each of their main surfaces. The wrapping material may have regions of greater or lesser porosity provided by the control of the composition of said material, such as controlling the amount or type of the load. The wrapping material may have regions of greater or lesser air permeability provided embossing or perforating said material. See, for example, U.S. Patent No. 4,945,932 to Mentzel et al. The wrapping material may have regions (for example, previously determined regions, such as bands) treated with additives, such as some of the salts mentioned above. For wrapping materials that have compositions and / or properties that differ between regions of their main surfaces, the alignment and registration of the printed strips with patterned regions of the wrapping materials offers manufacturing complications.

The wrapping materials suitable for use in the execution of the present invention are commercially available. Representative paper wrapping materials for cigarettes such as references 419, 454, 456, 460 and 473 Ecusta Corp .; reference numbers Velin 413, Velin 430, VE 825 C20, VE 825 C30, VE 825 C45, VE 826 C24, VE 826 C30 and 856 DL of Miquel; Tercig LK18, Tercig LK24, Tercig LK38, Tercig LK46 and Tercig LK60 of Tervakoski; Velin Beige 34, Velin Beige 46, Velin Beige 60 and reference numbers 454

DL, 454 LV, 553 and 556 Wattens; and as printed diagonal lines of 38 CORESTA units, printed diagonal lines of 46 CORESTA units, printed diagonal lines of 60 CORESTA units, longitudinal margin lines 38 CORESTA units, longitudinal margin lines 46 CORESTA units, longitudinal margin lines 60 CORESTA units, Beige Velin 46 CORESTA units and Beige Velin 60 CORESTA units from Trierenberg Holding. Examples of linen wrapping materials for cigarettes containing linen are available as grades 105, 114, 116, 119, 170, 178, 514, 523, 536, 520, 550, 557, 584, 595, 603, 609, 615 and 668 of Schweitzer-Mauduit International. Examples of cigarette paper wrapping materials containing cellulose pulp are available as grades 404, 416, 422, 453, 454, 456, 465, 466 and 468 from Schweitzer-Mauduit International.

The number of coating layers that are applied to the wrapping material may vary. A coating layer can be applied to either or both sides of the paper. More than one coating layer can be applied to either or both sides of the paper. For wrapping materials intended for use in the manufacture of cigarettes designed to meet certain criteria of the extinction test, it is often desirable to apply at least two layers and, most preferably, at least three layers, of printing formulation to said wrapping materials

The composition of the coating formulation may vary. In general, the composition of the coating is determined by the ingredients of the coating formulation. Preferably, the coating formulation has a total composition, and is applied in a manner and in an amount such that the integrity of the wrapping material is not affected when individual layers of coating formulation are applied to the wrapping material. It is also desirable that the components of the coating formulation do not introduce unwanted sensory characteristics to the smoke generated by a smoking article that incorporates a wrapping material treated with said coating formulation. Thus, suitable combinations of various components can act to reduce the effect of coatings on the sensory characteristics of the smoke generated by the smoking article during use.

Examples of coating formulations are described in US Pat. Nos. 4,889,145 to Adams; and 5,060,675 from Milford et al .; PCT documents WO 02/043513; PCT WO 02/055294; and European patent application 1,234,514. Other coating formulations are described herein.

The coating formulation most preferably includes a film forming agent. The film forming agent is, most preferably, a polymeric material or resin. Example film-forming agents include alginates (e.g. sodium alginate or ammonium alginate, including available alginates such as Kelco Kelco), pectins (for example, including those available as TIC Pretested HM from TIC Gums), cellulose derivatives ( for example, nitrocellulose, hydroxyethylcellulose, ethylcellulose, carboxymethylcellulose and cellulose acetate propionate), ethylene-vinyl acetate copolymers, guar gum (for example, including Type M, Type MM, Type MM high viscosity of Frutarom; and ICT Ticagel Gums), xanthan gum (for example, including Kelco from Kelco), starch (for example, including corn starch or rice starch), modified starch (for example, dextrin, oxidized tapioca starch and oxidized corn starch) poly ( vinyl acetate) and polyvinyl alcohol. Example film-forming agents are available as HPC Klucel hydroxypropylcellulose, CMC Aqualon sodium carboxymethylcellulose, HEC Natrosol hydroxyethylcellulose and ED Aqualon ethylcellulose from Hercules Incorporated; and Walocel nitrocellulose and Walsroder nitrocellulose from Bayer AG. Suitable combinations of various film-forming agents can also be used. Example mixtures include mixtures of ethylene-vinyl acetate copolymer and polyvinyl alcohol, mixtures of ethylcellulose and ethylene-vinyl acetate copolymer, mixtures of nitrocellulose and ethylene-vinyl acetate copolymer and mixtures of ethylcellulose and nitrocellulose. The above-mentioned mixtures of film-forming agents, most preferably, those having hydrophobic character, are suitable for primary or first layer coatings for multilayer coatings.

Optionally, starch-based materials can be used to provide some of the layers of the multilayer drawings. The type of starch-based material may vary. Example starches include tapioca, corn maize, corn, potatoes, wheat, rice and sagu. Modified starches can also be used. The starch can be treated with acid to provide a low boiling starch, treated with sodium hypochlorite to provide an oxidized starch, treated with acid and roasted to provide a dextrin, polymerized to provide a specially crosslinked or chemically substituted starch. Combinations of starches and modified starches may be used; and as such, suitable coating formulations may incorporate at least two starch based materials. Example starch-based materials include materials characterized by being derived from tapioca starch, derived from waxy corn starch and as dextrins. See, for example, the Corn Starch business brochure, Corn Industries Research Foundation, Inc. (1955). Typically, the modified starches and / or starches are dispersed in water and heated sufficiently to cause hydration of the starch-based material. See, for example, United States patent application serial number 10 / 645,996, filed on August 22, 2003 and European patent application EP 1234514.

The solvent or liquid vehicle for the formulation may vary. The solvent may be a liquid having an aqueous character and may include relatively pure water. An aqueous liquid is a solvent or vehicle suitable for film-forming agents such as aqueous-based emulsions, starch-based materials, sodium carboxymethyl cellulose an ammonium alginate, guar gum, xanthan gum, pectins, polyvinyl alcohol and

hydroxyethyl cellulose. Starch-based materials are film-forming agents that include starch or starch-derived components. The solvent can also be a non-aqueous solvent. A non-aqueous solvent is a suitable solvent for film-forming agents such as ethyl cellulose, nitrocellulose, polyvinyl acetate and ethylene-vinyl acetate copolymers. Examples of non-aqueous solvents are organic liquids such as ethanol, n-propyl alcohol, iso-propyl alcohol, ethyl acetate, n-propyl acetate, iso-propyl acetate, toluene and the like. Mixtures of organic solvents can be used. It is also possible to use mixtures of organic and aqueous liquids (for example, mixtures of water and ethanol). Particularly preferred are solvents that do not adversely affect the quality of the wrapping material (for example causing swelling of the fibers of the wrapping material, causing defects by contraction of the wrapping material, or causing wrinkles in the wrapping material). Hydrophobic non-aqueous solvents typically have a lower tendency to adversely affect the physical nature of the wrapping material than aqueous solvents, and are therefore often the preferred solvents for printing formulations that are applied directly to the surface of a material. wrap (for example, a first or bottom layer of a multilayer drawing).

In general, the selection of the solvent depends on the nature of the polymeric film-forming material and the particular polymeric material that is selected dissolves easily (ie is soluble) or is highly dispersible in a highly preferred solvent. Although not all components of the coating formulation are soluble in the liquid carrier, it is most preferable that the film-forming polymeric material be soluble (or at least highly dispersible) in said liquid. For " soluble " when referring to the components of the coating formulation with respect to the liquid solvent it is meant that the components for a thermodynamically stable mixture when combined with the solvent, have a significant capacity to dissolve in said solvent, and do not form precipitates in degree significant one when present in said solvent.

Mixtures of nonaqueous solvents can be used and these mixtures may vary. A representative mixture is a combination of iso-propyl alcohol and ethyl acetate (for example, from about 5 percent to about 25 percent, preferably about 15 percent to about 20 percent iso-propyl alcohol, and 75 percent about 95 percent, preferably about 80 about 85 percent ethyl acetate by weight), which is a suitable solvent for film-forming agents such as ethyl cellulose and nitrocellulose. Another representative mixture is a combination of n-propyl alcohol and n-propyl acetate (for example, about 15 percent to about 25 percent of n-propyl alcohol and about 75 to about 85 percent of n-propyl acetate, by weight), which is a suitable solvent for film-forming agents such as ethyl cellulose and nitrocellulose. Other representative mixtures are toluene and n-propyl alcohol (for example, about 90 percent to about 95 percent and about 5 percent to about 10 percent of n-propyl alcohol, by weight), which is a mixture of solvents suitable for agents film formers such as ethylene-vinyl acetate copolymers. Another representative mixture is iso-propyl acetate and ethanol (for example, about 5 percent to about 25 percent, preferably about 15 percent to about 20 percent ethanol, and about 75 percent to about 95 percent, preferably about 75 to about 80 percent iso-propyl acetate, by weight), which is a solvent mixture suitable for a film-forming agent such as ethyl cellulose.

The coating formulation may also include a filler material. Example filler materials may be the essentially water insoluble types of filler materials previously described. Preferred fillers have a finely divided form (for example, in the form of particles). Typical loads are those that have particle sizes that are smaller than approximately 3 micrometers in diameter. Typical particle sizes of suitable fillers range from approximately 0.3 micrometers to 2 micrometers in diameter. Loading materials can have a variety of shapes. Example filler materials are those that include inorganic materials that include metal particles and filings, calcium carbonate (for example, precipitate-type fillers, including those with prismatic form), calcium phosphate, clays (for example, attapulgite clay), talc, alumina oxide, mica, magnesium oxide, calcium sulfate, magnesium carbonate, magnesium hydroxide, aluminum oxide and titanium dioxide. See, for example, the types of fillers described in US Patent No. 5,878,753 to Peterson et al. Representative calcium carbonate fillers are those available as Albacar PCC, Albafil PCC, Albaglos PCC, Opacarb PCC, Jetcoat PCC and Calopake F PCC from Specialty Minerals, Inc. Prismatic forms of calcium carbonate are especially preferred. Examples of fillers may also include organic materials that include starches, modified starches and flours (e.g., rice flour), polyvinyl alcohol particles, tobacco particles (e.g., tobacco powder, tobacco extracts ( for example, spray dried tobacco extract) and other similar materials The filler material can also be fibrous cellulose materials, see, for example, U.S. Patent No. 5,417,228 to Baldwin et al. Although less preferred, materials Alternative fillers may include carbon-based materials (for example, graphite-type materials, carbon fiber and ceramic materials), metal materials (for example, iron particles) and the like.The filler material can be a soluble salt in water (for example, alkali metal chloride or citrate salt) when a non-aqueous solvent is used as solvent for film-forming materials such as ethyl cellulose and nitrocellulose.

The coating formulations may incorporate other ingredients in addition to the aforementioned coating materials. These ingredients may be dispersed or suspended in the coating formulation. These other ingredients can be used in order to provide specific properties or specific characteristics to the wrapping material. These ingredients may be preservatives (for example, potassium sorbate), humectants (for example, ethylene glycol and propylene glycol), pigments, colorants, promoters and burn enhancers, retardants and burn inhibitors, plasticizers (for example, dibutyl phthalate, propylene glycol, polypropylene glycol and triacetin), sizing agents, syrups (for example, high-fructose corn syrup), flavoring agents (for example, ethyl vanillin and caryophilic oxide), sugars (for example, rhamnose), flavor precursors, hydrate materials, such as metal hydrates (for example, b6rax, magnesium sulfate decahydrate, magnesium sulfate heptahydrate, sodium silicate pentahydrate and sodium sulfate decahydrate), viscosity reducing agents (for example, urea), waxes, oils, resins tack, antifoaming agents, acidic materials (for example, inorganic acids, such as boric acid and organic acids such as cftr acid ico), basic materials (for example, alkali metal hydroxides) and the like. Some of these ingredients are soluble in the solvent of the coating formulation (for example, certain acid salts and bases are soluble in solvents such as water). Some of these ingredients are insoluble in the solvent of the coating formulation (for example, the particles of metal materials are soluble in most of the solvents used for the coating formulations). Various types of suitable salts, including water soluble salts, are described in U.S. Patent Nos. 2,580,568 to Matthews; 4,461,311 to Matthews; 4,622,983 to Matthews; 4,941,485 of Perfetti et al .;

4,998,541 of Perfetti et al .; and in PCT document WO 01/08514.

Although not preferred, tobacco may be incorporated in some form in at least one of the coating formulations that are applied to the wrapping material. Finely divided tobacco (for example, stalks or sheets of minced tobacco, such as finely ground fragments of extracted tobacco paste) may be dispersed in a liquid vehicle together with other components of the coating formulation for use with a coating formulation. Tobacco extracts, such as spray-dried extracts, lyophilized extracts, supercritical fluid extracts and non-aqueous solvent extracts, can also be used. You can also use tobacco suspensions in liquid vehicles. Representative forms of tobacco, including tobacco extracts, are described in US patent application serial number 10 / 463,211 filed on June 17, 2003. If desired, other components of a coating formulation may be incorporated into a mixture of tobacco solvent extract (for example, a mixture of water and a water-soluble tobacco extract) to form a coating formulation. A representative liquid formulation containing tobacco incorporates, for example, about 41 parts by weight of water, about 15 parts by weight of glycerin and about 3 parts by weight of tamarind gum. If desired, an additional amount of a suitable film-forming agent may be incorporated into said formulation.

The coating formulation typically has a liquid form, and is applied to the wrapping material in a liquid form. Depending on the actual ingredients that are combined with the solvent, the coating formulation is in the form of a liquid, an emulsion (for example, an emulsion with an aqueous base) or a liquid having solid materials dispersed therein. In general, the film-forming agent is dissolved or dispersed in a suitable solvent forming the coating formulation. Certain additional optional ingredients are also dissolved, dispersed or suspended in said formulation. Additionally, the optional filler material is also dispersed in said formulation. Preferably, the filler material is essentially insoluble and essentially chemically non-reactive with the solvent, at least under conditions in which the formulation is used.

The relative amounts of the various components of the coating formulation may vary. Typically, the coating formulation includes at least about 30 percent solvent, usually at least about 40 percent solvent, and often at least about 50 percent solvent, based on the total weight of said formulation. Typically, the amount of solvent in the coating formulation does not exceed approximately 99 percent, usually does not exceed approximately 95 percent, and often does not exceed approximately 90 percent, based on the total weight of said formulation. Most preferably, the coating formulation includes at least about 0.5 percent of film-forming agent, usually at least about 1 percent of film-forming agent and often, at least about 2 percent of film-forming agent, based on the total weight of said formulation. Typically, the amount of film-forming agent in the coating formulation does not exceed approximately 30 percent, usually does not exceed approximately 20 percent and often does not exceed approximately 10 percent, based on the total weight of said formulation. Typically, the coating formulation includes at least about 3 percent of the optional filler material, usually at least about 5 percent of the filler material and often, about 10 percent of the filler material, based on the total weight of said filler. formulation. Typically, the amount of optional filler material within the coating formulation does not exceed approximately 35 percent, usually does not exceed approximately 30 percent and often does not exceed approximately 25 percent, based on the total weight of said formulation.

The amounts of the remaining optional components of the coating formulation may vary. The amount of plasticizer often ranges from about 0.5 percent to about 5 percent,

preferably about 2 to about 3 percent, based on the total weight of the formulation. The amount of humectant often ranges from about 1 percent to about 5 percent, preferably about 2 to about 3 percent, based on the total weight of the formulation. The amount of wetting agent often ranges from about 0.5 percent to about 2 percent, preferably about 0.8 to about 1 percent, based on the total weight of the formulation. The amount of preservative often ranges from about 0.01 percent to about 0.3 percent, preferably about 0.5 percent, based on the total weight of the formulation. The amount of chemical burning compound often ranges from about 1 percent to about 15 percent, preferably about 5 to about 10 percent, based on the total weight of the formulation. The amount of viscosity reducing agent often ranges from about 1 percent to about 10 percent, preferably about 2 percent to about 6 percent, based on the total weight of the formulation. The amount of metal hydrate often varies from about 3 percent, usually at least about 5 percent, and often at least about 10 percent, based on the total weight of said formulation; Although the amount of metal hydrate normally does not exceed approximately 35 percent, it often does not exceed approximately 30 percent and often does not exceed approximately 25 percent, based on the total weight of said formulation.

Other components of the coating formulation may include materials that allow the use of automated equipment to ensure proper registration or alignment of the various coating layers. The optical bleaches provide the ability to accurately and precisely identify the locations of the printed layers, and thus allow the proper alignment and registration of the various printed layers. These materials are often fluorescent materials called optical bleach. Example optical bleaching agents include thiophenedyl benzoxazoles, such as those commercially available as Uvitex OB from Ciba Specialty Chemicals, and available optical bleaching agents such as Eccobrite RB-6 and Eccowhiter AC-10 from Eastern Color & Chemical Co. The amount of optical bleach used is an amount sufficient to allow the different layers to be identified for registration, and that amount typically constitutes a very small fraction of the printing formulation. Typically, the amount of optical bleach used comprises from about 0.01 to about 0.2 percent by weight of the printing formulation. Preferred optical bleaches are those that remain in the regions of the wrapping material to which they are applied, and in particular in the regions on which the electromagnetic detection systems that are used to control the registration of layers focus. Preferred optical bleaches are those that are not blurred or removed by rubbing the wrapping material, at least before the time in which the optical bleaches are detected by the relevant electromagnetic detection system.

Flavoring agents can be incorporated into the printing formulations. Printing formulations incorporating flavoring agents may be applied over the entire surface of the wrapping material, over portions of the wrapping surface, or as any or all layers of the printed strips. Preferably, the flavoring agents have sensory characteristics that can be described as having sweet, woody, fruity, or some combination thereof. Flavoring agents are preferably used in amounts that depend on their individual arrest thresholds. Typically, flavoring agents are used in sufficient amounts to mask or alleviate the bad flavors and odors associated with the burning paper. Combinations of flavoring agents (for example, a combination of flavors) may be employed in order to provide the desired overall sensory characteristics to the smoke generated from the smoking articles incorporating these flavoring agents. Most preferably, these flavoring agents are employed in amounts and forms such that the sensory characteristics of these flavoring agents are barely detectable; and these flavoring agents do not adversely affect the overall sensory characteristics of the smoking article in which they have been incorporated. Preferred flavoring agents can be incorporated into printing formulations, have low vapor pressures, have no tendency to migrate or evaporate under normal environmental conditions, and are stable under the processing conditions experienced by the wrapping materials of the present invention. Example flavoring agents that provide sweet notes include ethyl vanillin, vanillin, inulin (an oligomer of fructose), heliotropin, methylcyclopentenolone; and these flavoring agents are typically employed in amounts of 0.001 to about 0.01 percent, based on the total weight of the printing formation in which it is incorporated. An exemplary flavoring agent that provides woody notes includes Caryophylene oxide; and said flavoring agent is typically employed in amounts of 0.2 to about 0.6 percent, based on the total weight of the printing formulation in which it is incorporated. Example flavoring agents that provide fruity notes include ketones such as 4-hydroxyphenyl-2-butanone and lactones such as gammadodecalactone; and these flavoring agents are typically employed in amounts of 0.001 to about 0.1 percent, based on the total weight of the printing formulation in which they are incorporated.

Example coating formulations are available as C42626E5 and C42626E5A from American Inks & Coatings Corp. and as FSBMOH62 and FSBMOA7AP of Color Converting Industries.

Certain layers may be applied to the wrapping material in the form of a coating formulation that is in the so-called "solid polymer" form. That is, film-forming materials such as copolymers of ethylene and vinyl acetate and certain starches, can be mixed with other components of the coating formulation, and applied to the wrapping material without the need to dissolve these forming materials.

film in a suitable solvent. Typically, solid polymer coating formulations are applied at elevated temperatures relative to room temperature; and the viscosities of the film-forming materials of these heated coating formulations typically vary in the range of about 100 centipoise to approximately 10,000 centipoise, with a frequency of approximately 1,000 centipoise to approximately 5,000 centipoise.

In most applications, it is desirable that the wrapping materials have drawings applied thereon so that such drawings do not adversely affect the appearance of the cigarette manufactured using these wrapping materials. In certain applications, such as when drawings that apply to white cigarette papers are provided from layers that are colorless or slightly colored in nature, these drawings may be visible to the cigarette smoker made from these wrapping materials; even if the drawing is applied on the main surface of the wrapping material that provides the inner surface of the wrapping material of the cigarette (i.e., the surface that is in contact with the smokable padding). For this reason, certain components that provide bleaching characteristics to these layers (and therefore to those drawings) can be incorporated into coating formulations. In one aspect, fillers such as calcium carbonate or titanium dioxide can be incorporated into coating formulations to provide a white appearance to the layers provided by these coating formulations. Coating formulations can also incorporate components that cloud these formulations, and thus dry out providing opaque or cloudy appearances. For example, a coating reformulation can be provided that incorporates a non-aqueous and water-miscible solvent (for example, iso-propyl acetate) and a suitable film-forming polymeric material in said solvent (for example ethyl cellulose) with a character white (and therefore make it less visible when applied to a white cigarette paper wrapping material, in particular when applied to a first or bottom layer of a multilayer drawing) by incorporating a small amount of water (for example, approximately 2 percent, based on the solvent weight of said coating formulation) in said coating formulation. One way of providing less visible printed patterns on white cigarette paper wrapping materials involves using coating formulations that incorporate a non-aqueous solvent that is not miscible with water (eg, iso-propyl acetate), a film-forming polymer suitable (for example ethyl cellulose) and any of a copolymer of ethylene and vinyl acetate or an aqueous emulsion incorporating a copolymer of ethylene and vinyl acetate, in particular when said coating formulation is applied to a first or bottom layer of a multilayer drawing Typically, said mixture incorporates from about 10 percent to about 20 percent, preferably about 15 percent of copolymer of ethylene and vinyl acetate and about 80 percent to about 90 percent, preferably about 85 percent of ethyl cellulose, based on the total weight of these components.

Preferably, the film-forming agents are polymeric materials of relatively low molecular weight, in order to ensure their easy application on the wrapping material. Preferred coating formulations employing solvents have viscosities such that these formulations can be applied efficiently and effectively on the wrapping materials. Typical coating formulations have viscosities of about 20 centipoise to about 10,000 centipoise, with about 20 centipoise to about 300 centipoise being preferred. See, for example, United States patent application 2003/0136420 of Kraker.

Certain preferred coating formulations incorporate at least one aqueous solvent, a film-forming agent such as ethyl cellulose, a filler such as calcium carbonate, a plasticizer such as triacetin and a wetting agent such as lecithin. Such preferred formulations may also incorporate an optical bleach, such as a useful composition so that, through the use of electromagnetic radiation, it is possible to inspect the application of the formulation on the wrapping material. For such preferred coating formulations, the amount of solvent often comprises from about 70 percent to about 85 percent of the formulation, based on the total weight of said formulation. A typical non-aqueous solvent is isopropyl acetate.

For certain preferred coating formulations, the amount of film-forming agent relative to the filler material ranges from about 1.5: 1 to about 1: 3, preferably about 1: 1 to about 1: 2.5, on a basis in dry weight Thus, for example, certain preferred coating formulations can incorporate ethyl cellulose and calcium carbonate in relative amounts of about 1: 1 to about 1: 2.5, on a dry weight basis. Typically, the weight of filler material in a preferred coating formulation is greater than the weight of the film-forming agent in the formulation. For an example coating formulation, the amount of filler (for example, calcium carbonate) in said formulation ranges from about 5 percent to about 20 percent, based on the total weight of the formulation. For an example preferred coating formulation, the amount of filler material (for example, calcium carbonate) in said formulation ranges from about 14 percent to about 18 percent, based on the total weight of the formulation.

The plasticizer may vary. Plasticizers can help control the viscosity of the coating formulation, improve the ability of the coating formulation to flow in a desired manner and improve the ability of the coating formulation to form good quality film on the material substrate

of wrap. Example plasticizers include triacetin, propylene glycol and the like. See, for example, Flick, �andbook of Adhesive �aw �aterials, pages 109-113. Noyes Publications (1982); and Dick, Compounding �aterials for the Polymer Industries, pages 271-275. Noyes Publications (1987). For certain preferred coating formulations, the plasticizer comprises about 2 percent to about 3 percent of the total weight of the formulation.

The wetting agent vary. Wetting agents help increase the tendency of the various components of the coating formulation to be dispersed or suspended in said formulation. Wetting agents can help increase the tendency of the wrapping material substrate to receive the coating formulation. Wetting agents can also help increase the tendency of coating formulations to form films of good quality not on the substrate of wrapping material. An example wetting agent is lecithin. See, for example, Flick, �andbook of Adhesive �aw �aterials, pages 71-74 and pages 214-223. Noyes Publications (1982). For certain preferred coating formulations, the plasticizer comprises about 0.1 percent to about 1 percent total weight of the formulation.

The optical bleach may vary. Example optical bleaches include those available as Uvitex OB from Ciba Specialty Chemicals, and the like. For certain preferred coating formulations the optical bleach comprises from about 0.005 percent to about 0.1 percent of the total weight of the formulation. The optical bleaches can be used to ensure that the drawings are properly located on the wrapping material substrates, and that the patterned layers are properly registered with respect to each other. Such components, even when used at very low levels, can facilitate the use of electronic detection equipment. For example, appropriate video display systems equipped with appropriate magnifying lenses and black strobe lights can be used to freeze images of printed bands at typical line speeds of wrapping materials during printing processes (eg, about 91, 4 m / min at approximately 244 m / min (300 to approximately 800 feet per minute).

The amount of coating formulation that is applied to the paper wrap material may vary. Typically, the wrapping of the wrapping material provides a printed wrapping material having a total dry basis weight (i.e., the basis weight of all wrapping material, including the coated and uncoated regions) of at least about 1.05 times, often at least about 1.1 times, often at least about 1.2 times, the dry basis weight of said wrapping material before application of the coating thereto. Typically, the coating of the wrapping material provides a paper having a total dry basis weight not exceeding approximately 1.4 times, and often not exceeding approximately 1.3 times the dry basis weight of the wrapping material which It has the coating applied on it. Typical total dry basis weights of the wrapping materials are from about 20 g / m2 to about 40 g / m2; preferably about 25g / m2 to about 35g / m2. For example, a paper wrapping material having a dry basis weight of about 25 g / m2 may be coated according to the present invention to have a resulting total dry base weight of about 26.5 g / m2 at about 35 g / m2, and often from about 28 g / m2 to about 32 g / m2.

The dry basis weights of the printed regions of the wrapping material of the present invention may vary. For wrapping materials that are used for the manufacture of cigarettes designed to meet certain criteria of the cigarette extinction test it is desirable that the wrapping materials have sufficient coating formulation applied thereon in the form of bands appropriately shaped and spaced with the so that the dry weight of the printed material applied on these total wrap materials is at least about 1360.77 g / ream, often about 1814.4 g / ream and sometimes at least about 2721.5 g / ream; although the total dry weight of said printed material normally does not exceed approximately 4535.9 g / ream. For these types of wrapping material that have multilayer bands, the dry weight of the individual layers of printed material applied on these wrapping materials is at least 113.4 g / ream at about 226.8 g / ream, or greater.

Typical coated regions of paper wrap materials of the present invention that are suitable for use as the wrappers circumscribing cigarette tobacco rods have inherent porosities that may vary. Typically, the inherent porosities of the coated regions of the wrapping materials are less than about 8.5 CORESTA units, usually less than about 8 CORESTA units, often less than about 7 CORESTA units, and are often smaller That approximately 6 units CORESTA. Typically, the inherent porosities of the coated regions of the wrapping materials are at least about 0.1 CORESTA units, usually at least about 0.5 CORESTA units, often at least about 1 CORESTA unit. Preferably, the inherent porosities of the coated regions of the wrapping materials, in particular the wrapping materials that are used for the manufacture of cigarettes designed to meet certain criteria of the cigarette extinction test range from about 0.1 CORESTA units to about 4 units CORESTA.

Preferably, the wrapping materials of the present invention are used for the manufacture of tobacco rods without further chemical or physical treatment. However, although not preferred, these materials can be subjected to further processing. The wrapping materials can be perforated (for example, using techniques of

electrostatic perforation) or embossing. Examples of printed wrapping materials are designated as Ref. No. 749 of Ecusta, which is a printed paper (for example printed with layers of a coating formulation incorporating ethyl cellulose and calcium carbonate) having an inherent porosity of the base paper of approximately 46 CORESTA units, which is electrostatically drilled to a frame porosity of approximately 115 CORESTA units; and Ref. No. 879 of Ecusta Corp., which is a printed paper (for example printed with layers of a coating formulation incorporating ethyl cellulose and calcium carbonate) having an inherent porosity of the base paper of approximately 33 CORESTA units, which it is drilled electrostatically to a frame porosity of approximately 5 CORESTA units. The perforation of the wrapping material can be carried out on the entire main surface of the wrapping material, or only on the unprinted regions of the wrapping material. Additionally, the wrapping materials may have other additives applied thereon (for example, water soluble salts may be applied in the form of an aqueous solution using a finishing press, in particular for wrapping materials having films formed from film forming agents such as ethyl cellulose).

The paper wrapping material of the present invention may have patterned coatings having predetermined shapes. The lining may be in the form of bands, lines or bands in the transverse direction (including those that are perpendicular to the longitudinal axis of the wrapping material), lists, grids, longitudinally extending lines, circles, hollow circles, dots, 6ths, motes , spirals, spirals, helical bands, lines or bands that cross diagonally, triangles, hexagonal, honeycomb, stepped shapes, lists or bands in the form of zigzag, lists or bands with sinusoidal form, lists or bands with square wave form, drawings that include printed regions that are generally shaped in " C " or in " U ", drawings that include printed regions that are generally in the form of " E ", drawings that include printed regions that are generally in the form of " S ", drawings that include printed regions that are generally in the form of " T ";, drawings that include printed regions that are generally in the form of " V ", drawings that include printed regions that are generally in the form of " W ", drawings that include printed regions that are generally in the form of " � ", drawings that they include printed regions that are generally in the form of "or" or other desired forms. Combinations of the above forms may be used to provide the printing drawing. Printing drawings that incorporate some of the above forms can be used as dashed layers of some multilayer printed drawings such as multilayer bands.

The relative sizes or dimensions of the various shapes and drawings can be selected as desired. For example, the shapes of coated regions, compositions of the coating formulations, or amounts or concentrations of the coating materials, may vary along the length of the wrapping material. The relative positioning of the printed regions can be selected as desired. For example, wrapping materials that are used for the production of cigarettes designed to meet certain criteria of the cigarette extinction test, the drawing more preferably has the form of continuous spaced bands that are aligned transversely or in a direction transverse to the longitudinal axis of the wrapping material However, cigarettes can be made for wrapping materials if there are discontinuous bands positioned in a separation relationship. For wrapping materials of these cigarettes it is most preferred that the discontinuous bands (for example, bands that include a drawing such as a series of dots, grids or lists) cover at least about 70 percent of the surface area of the band or region of the wrapping material.

Preferred wrapping materials have coatings in the form of bands extending across the wrapping material, generally perpendicular to the longitudinal axis of the wrapping material. The width of the individual bands may vary, as well as the separation between said bands. Typically, these bands have widths of at least about 0.5 mm, usually at least about 1 mm, often at least about 2 mm, and most preferably at least about 3 mm. Typically, these bands have widths of up to about 8 mm, usually up to about 7 mm. Preferred bands have widths from about 4 mm to about 7 mm. Such bands may be spaced such that the spacing between the bands is at least about 10 mm, often at least about 15 mm, often at least about 20 mm, often at least about 25 mm, in some cases less about 30 mm and sometimes at least about 35 mm; such separations normally do not exceed approximately 50 mm. For certain preferred wrapping materials, the bands are spaced such that the separation of the bands varies from about 15 mm to about 25 mm.

Cigarettes of the present invention may possess certain wrapping materials appropriately treated of the present invention. The wrapping material may have drawings of predetermined shapes and sizes positioned in predetermined locations, and therefore, cigarettes properly made from said wrapping material may have drawings of the predetermined shapes and sizes positioned in predetermined locations on their smokable rods. The wrapping material may have predetermined composition drawings positioned at predetermined locations, and therefore, cigarettes properly manufactured from said wrapping material may possess predetermined composition drawings positioned at predetermined locations on their smokable rods. The above types of drawing may introduce certain properties or behaviors in specific regions of these smokable rods (for example, the drawings may provide specific regions of greater weight, less permeability and / or greater burning retardant composition to the wrapping material). For example, a wrapping material that has bands that

they surround the column of smokable material of the smokable rod and that decreases the permeability of the wrapping material (for example, the wrapping material may have bands applied thereon and the bands may be positioned thereon) may be such that each rod Acceptable smokable manufactured from said wrapping material may have at least two identical bands on the wrapping material surrounding the tobacco column, and the separation between the bands measured from the adjacent inner edges of the bands, is not less than 15 mm and not larger than 25 mm.

Preferred wrapping materials that have coatings in the form of bands have these coatings applied in the form of several layers, that is, a coating layer is applied on the main surface of the coating material and successively applied on the wrapping material over all or part of each successive layer. The composition of each layer may be the same, or the compositions of the different layers may be different from each other. Under certain circumstances, a hydrophobic coating is applied as the first layer on the main surface of the wrapping material; either as a band layer, a coated region, or as a layer that completely covers the surface of the wrapping material. As such, a first coating is deposited directly on the substrate and said coating can be effective in reducing the water absorption capabilities of said substrate.

Certain preferred wrapping materials that have coatings in the form of multilayer bands have band layers that have a practically identical width. Preferred representative wrapping materials are coated with patterned coatings that may have several layers numbered 2, 3, 6, 4 layers. For example, for a wrapping material that is intended to have a series of spaced bands (for example, each band having a width of approximately 7 mm), and that each band is intended to be provided with three layers of coating formulation, it is desirable that each of the band layers have a width of approximately 7 mm, and that each layer covering the lower layer practically completely covers said lower layer. As a result, each multilayer band having a predetermined nominal width (for example, approximately 7 mm) has a real width that is very close (if not exactly) to the nominal width, due to the well-controlled positioning of the various layers of equal width precisely on the lower layers. However, due to process variables, a slightly inaccurate positioning of layers of equal width, one over the other, can cause the width of said multilayer band to be slightly greater than its nominal width.

There are several factors that determine a specific coating pattern for a wrapping material of the present invention. It is desirable that the components of the coating formulations applied on wrapping materials do not adversely affect in any significant degree (i) the appearance of cigarettes made from these wrapping materials, (ii) the nature or quality of the smoke generated for these cigarettes, (iii) the burning characteristics of these cigarettes, or (iv) the desirable behavioral characteristics of these cigarettes. It is also desirable that the wrapping materials having coating formulations applied thereon do not introduce undesirable taste, or adversely affect in any way the sensory characteristics of the smoke generated by cigarettes made using these wrapping materials. In addition, the preferred cigarettes of the present invention have no tendency to suffer premature extinction, such as when lit cigarettes are held in the smoker's hand or when placed in an ashtray for a short period of time.

Cigarettes designed to meet certain criteria of the extinction test can be produced from wrapping materials of the present invention. Banding regions are produced on a wrapping material using film-forming materials that are effective in reducing the inherent porosity of the wrapping material in those regions. Film-forming materials and fillers applied to the wrapping material in those regions with bands are effective in increasing the weight of the wrapping material in those regions. The loading materials that are applied to the wrapping material in those regions with bands are effective in decreasing the burn rate of the wrapping materials in those regions. Typically, when relatively high inherent porosity wrap materials are used to make cigarettes, these wrap materials possess relatively high weight bands that introduce a relatively low inherent porosity in the strip regions. Film-forming materials tend to reduce the porosity of the wrapping material, whether or not these materials are used in combination with fillers. However, coatings that combine porosity reduction with increased added coating weight to the wrapping materials are also effective in facilitating the extinction of cigarettes made from those wrapping materials. A low porosity in selected regions of a wrapping material tends to cause a lit cigarette to die out due to the decrease in access to oxygen for combustion of the smokable material in the wrapping material. A greater weight of the wrapping material also tends to cause a lit cigarette that incorporates said wrapping material to extinguish.

For certain cigarette paper wrap materials printed with bands, it is often desirable to provide bands that include (i) about four layers or more when the inherent porosity of the wrap material is greater than about 60 CORESTA units, (ii) about 3 to about 4 layers when the inherent porosity of the wrapping material ranges from about 40 to about 60 CORESTA units, and (iii) about 2 to about 3 layers when the inherent porosity of the wrapping material ranges from about 15 to about 40 units

SHORT. Preferred wrapping materials having bands that include two layers typically have inherent porosities of the base sheet in the range of about 15 to about 30 CORESTA units; and preferred wrapping materials having bands that include three layers typically have inherent porosities of the base sheet in the range of about 20 to about 60 CORESTA units. For each of the above, the ability to provide cigarettes that meet certain criteria of the cigarette extinction test can be improved by incorporating an effective amount of a suitable filler into at least one of the layers that make up each band. That is, as the inherent porosity of the wrapping material increases, it is also desirable (i) to select a film-forming material that causes a decrease in the inherent porosity of the coated region of the wrapping material and / or (ii) to provide a coating that provide a relatively large amount of weight added to the coated region of the wrapping material.

The wrapping materials of the present invention are useful as components of smoking articles such as cigarettes. Preferably, a layer of wrapping material of the present invention is used as wrapping material that circumscribes the smokable material, and thus forming the tobacco rod of a cigarette. In one aspect to be considered, it is preferred that the wrapping material possess the printed regions located on its face of the "fabric" and the face of the "fabric" of said wrapping material forms the inner surface of the wrapping material that circumscribes the tobacco rod. In another aspect to be considered, it is preferred that the wrapping material possess the printed regions located on its "felt" face, since the facing of the "felt" face of the wrapping material provides a relatively large decrease in the porosity of said wrapping material for a relatively small amount of coating. The terms " face of the fabric " and "felt face" when referring to the main surfaces of the paper sheet, those skilled in the art will be readily understood as terms of the papermaking technique.

Wrapping materials of the present invention can be produced in such a way as to prevent the occurrence of "blocking". That is, when a previously manufactured paper wrapping material is printed using an off-line procedure with a coating, or coating layers, and the resulting printed wrapping material is rewound in a cylinder for the subsequent manufacture of cigarettes, The coated wrapping material may have a tendency to stick or adhere to itself when said wrapping material is rewound. As a result, when the cylinder of printed wrapping material is unwound, said material can be easily broken or have an erratic outlet. Problems associated with blocking can be aggravated as a result of the use of (i) coatings that are sticky or sticky, (ii) coatings that are wet and are applied during a high-speed printing operation resulting in poor drying, and ( iii) paper wrapping materials that have relatively low tensile strengths, such as wrapping materials of relatively high inherent porosities. The wrapping materials of the present invention, that is, those having coatings applied in the form of layers, can be dried properly. Thus, the unwanted effects associated with blocking can be minimized and preferably avoided; in particular when the upper layers having anti-blocking properties dry quickly to consistencies that are not adherent. Preferred film-forming materials for the upper layers of multilayer printed drawings include ethyl cellulose, polyvinyl acetate, nitrocellulose, cellulose acetate propionate, polyvinyl alcohol and copolymers of ethylene and vinyl acetate; Of which the most preferred is ethyl cellulose. The upper anti-blocking layers provided by certain types of film-forming materials can be used in combination with other layers of film-forming materials that are used to reduce the inherent porosity of the wrapping material and provide an increase in the weight of the wrapping material.

The following examples are provided in order to illustrate in more detail various aspects of the invention but will not be construed as limiting its scope. Unless stated otherwise, all parts and percentages are given by weight.

Examples

With reference to Fig. 4-22, various enlarged cross-sectional views of cigarette paper wrapping materials are shown that are representative examples of the present invention. Each example wrapping material has a base sheet. A base sheet or strip of typical base continuous paper includes a mixture of materials such as cellulose fiber and inorganic filler material; and an example base sheet may include materials such as cellulose pulp and calcium carbonate. An example base sheet may also incorporate small amounts (ie, less than about 3 percent of the base sheet) of a chemical burn compound, such as potassium citrate or potassium phosphate; but the base sheet may also be free of added burning chemical compound.

At least a portion of the base sheet is coated with at least one coating formulation on at least one of its two main surfaces in predetermined regions, so that wrapping material having a plurality of coating layers is provided. The coatings are applied on one side, or on both sides, of the base sheet of the wrapping material (for example, on the face "felt" of the paper, on the face "fabric" of the paper or on both sides felt and paper fabric). Printed drawings for the various substrates are usually in the form of a series of recurring bands, and these bands are preferably printed in the form of various layers. Most preferably, the coatings are applied on the main surface

known as face " fabric " of the paper. Most preferably, the bands are printed on the base sheet using gravure techniques.

The exemplary embodiments of the present invention described with reference to Figs. 4-22 are illustrated in such a way that the various layers appear as a distinct series of layers, or as coatings that are in the form of discrete layers. In addition, the exemplary embodiments are illustrated in such a way that the various layers have distinct edges or corners. However, as a practical matter, the application of discrete layers does not necessarily result in a printed coating having the appearance of discrete layers, when viewed in cross-section. That is, the layers, although most preferably applied as discrete layers (for example, as a coating that resembles a laminate), do not necessarily maintain their identity as individual or independent layers. In particular, a coating formulation applied on a previously applied layer of printed material may undergo some degree of mixing or combination with the printed material before the time when the coating formulation dries after application. Thus, particularly for multilayer printed drawings using various applications of identical coating formulation, the resulting drawing may not resemble a laminated structure when viewed in cross-section. For example, the liquid form of a printing formulation may cause the components of said formulation to be soaked in the wrapping material and the layers on which formulation is applied and removal of the solvent by evaporation may cause a change in the form of the coating formulation between the time of application and the time of drying. The thickness of a multilayer band can vary, and the band can be very thin, since at least a portion of the coating can migrate to the wrapping material from the surface of the wrapping material to which the printing formulation has been applied. In addition, the edges and corners of the layers and printed drawings may have a "rounded" appearance. due to factors such as "shift" that occur during conventional printing procedures that involve printing paper.

The exemplary embodiments of the present invention described with reference to Figs. 4-22 are illustrated in such a way that the various bands are symmetric about a transverse axis of the wrapping material. In addition, the bands are equally spaced from each other. This provides the ability for the wrapping material so provided to be used to make cigarettes such that the wrapping material can produce almost identical smokable rods that can be burned in any direction along the longitudinal axis of said wrapping material.

Example embodiments of the coated wrapping materials of the present invention that are described with reference to Fig. 4-22 are illustrated in such a way that the various layers may be positioned in the internal region of the cigarette rod of a cigarette. manufactured from these wrapping materials, or less preferably, on the outer region of a cigarette rod of a cigarette manufactured from these wrapping materials.

Example 1

Referring to Fig. 4, a paper wrapping material 180 has a base sheet 184 of paper having a pattern printed in the form of a series of recurring bands, two of which are shown as bands 188,

190. The paper wrapping material has a dry basis weight of approximately 25 g / m2, a porosity of approximately 38 CORESTA units and is available as Tercig LK38 from Tervakoski. The bands 208, 210 have both maximum widths of approximately 4 mm. The width of each band is illustrated as w. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 20 mm. This separation is illustrated as distance d. The bands are printed on the base sheet as a plurality of continuous layers, and for the embodiment shown, there are three layers, 215, 218 and 222. The print pattern of each layer is practically the same, the layers are recorded so that each successive layer directly and totally covers the layer directly below, the formulation used to print each layer is practically the same, and the amount of formulation used to print each layer is practically the same. The layers are printed using gravure printing techniques, and the printed layers are aligned or recorded using ultraviolet absorption calibration techniques.

The first or bottom layer 215 of printing formulation is printed on the base sheet 184. Said formulation includes about 20 parts of calcium carbonate particles, about 7 parts of nitrocellulose, about 2 parts of triacetin, about 0.5 parts of a wetting agent of lecithin and about 0.02 parts of an optical bleach available as Uvitex OB from Ciba Specialty Chemicals, and at least about 70 parts of iso-propyl acetate as solvent (which is sufficient to total the number of parts of the formulation up to 100). Calcium carbonate is available as Albaglos PCC from Specialty Minerals, Inc. Nitrocellulose is available as Walocel nitrocellulose E 360 from Bayer AG.

Printed on the first layer 215 is a second layer 218 that includes the same formulation, and the second layer is printed in practically the same way as the first layer. Printed on the second layer 218 is a third layer 222 that includes the same formulation, and the third layer is printed in practically the same way as the first and second layers.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 4 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 1.5 mg (ie, the weight provided to the base sheet in each of the printed regions is approximately 1.5 mg). The amount of dry weight provided by each layer of each band is approximately 0.5 mg.

The wrapping material thus provided represents a base sheet having a series of practically equally spaced multilayer bands of practically equal width and dimensions. Each band is of a continuous nature, and each layer of each band is continuous. The width of each successive layer of each band is approximately equal to that of the layer below said layer, and the wrapping material is designed so that each successive layer directly and totally covers the layer below said layer. Said wrapping material represents a base sheet having the multilayer application of polymeric film-forming agent that is soluble in a non-aqueous solvent, and is employed in a formulation that also includes filler particles. The wrapping material represents a printed base sheet with a multilayer pattern, each layer incorporating the same polymeric film-forming material.

Example 2

Referring to Fig. 4, a printed wrapping material 184 is provided in the manner set forth in Example 1, and using the materials set forth in Example 1; except that the top or third layer of each band includes a different printing formulation, and the base sheet is paper wrap material having a dry basis weight of about 25 g / m2, a porosity of about 24 CORESTA units, and is available as Tercig LK24 from Tervakoski.

The printing formulation for the third or upper layer of each band includes about 11 parts of ethyl cellulose, about 2 parts of triacetin, about 0.5 parts of lecithin wetting agent, and about 0.02 parts of an optical bleach available as Uvitex OB from Ciba Specialty Chemicals, and at least about 86 parts of iso-propyl acetate as solvent (which is sufficient to total the number of parts of the formulation up to 100). Ethylcellulose is available as Aqualon N-7 from Hercules Incorporated.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 4 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 1.5 mg. The amount of dry weight provided by each layer of the first two layers of each band is approximately 0.6 mg; and the amount of dry weight provided by the top layer is approximately 0.3 mg.

The wrapping material thus provided represents a base sheet having a series of practically equally spaced multilayer bands of practically equal width and dimensions. Each band is of a continuous nature, and each layer of each band is continuous. Each band has two layers that incorporate nitrocellulose and filler material, and a top layer that incorporates a hydrophobic polymeric film forming material (eg, ethyl cellulose). The loading material is representative of a print drawing that has two

or more layers, and not all of those layers incorporate the same polymeric film-forming materials.

Example 3

Referring to Fig. 4, a printed wrapping material 184 is provided in the manner set forth in Example 2; except that the base sheet is paper wrapping material that has a dry basis weight of approximately 25 g / m2, a porosity of approximately 18 CORESTA units, and is available as Tercig LK18 from Tervakoski.

Example 4

Referring to Fig. 4, a printed wrapping material 184 is provided in the manner set forth in Example 1, and using the materials set forth in Example 1; except that each band has a maximum width of approximately 6 mm and the printed bands are provided using a different printing formulation.

The printing formulation of each layer of each band includes about 16 parts of calcium carbonate particles, about 8 parts of ethyl cellulose, about 2 parts of triacetin, about 0.5 parts of a lecithin wetting agent, and about 0.02 parts of an optical bleach available as Uvitex OB from Ciba Specialty Chemicals, and at least about 74 parts of iso-propyl acetate as solvent (which is sufficient to total the number of parts of the formulation to 100). Calcium carbonate is available as Albaglos PCC from Specialty Minerals, Inc. Ethylcellulose is available as Aqualon N-7 from Hercules Incorporated.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 6 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 1.5 mg. The amount of dry weight

provided for each layer of each band is approximately 0.5 mg.

The wrapping material thus provided represents a base sheet having a series of practically equally spaced multilayer bands of practically equal width and dimensions. Each band is of a continuous nature, and each layer of each band is continuous. The width of each successive layer of each band is approximately equal to that of the layer below said layer, and the wrapping material is designed so that each successive layer directly and totally covers the layer below said layer. The dry weight of each layer varies in the range of about 0.4 to about 0.6 mg. In addition, the wrapping material represents a base sheet having multi-layer application of ethyl cellulose; and in particular, the multilayer application of a coating formulation that incorporates both ethyl cellulose and filler (eg, calcium carbonate particles).

Example 5

Referring to Fig. 4, a printed wrapping material 184 is provided in the manner set forth in Example 1, and using the materials set forth in Example 1; except that each band has a maximum width of approximately 6 mm and the printed bands are provided using a different printing formulation.

The printing formulation for the first or bottom layer of each band is said printing formulation containing nitrocellulose / calcium carbonate described in Example 1 and the printing formulation for the second and third layers of each band is said printing formulation containing ethyl cellulose / calcium carbonate described in Example 4.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 6 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2 mg. The amount of dry weight provided by each layer of each band is approximately 0.5 mg.

The wrapping material thus provided represents a base sheet having a series of practically equally spaced multilayer bands of practically equal width and dimensions. Each band is of a continuous nature, and each layer of each band is continuous. Each band has a bottom layer that incorporates nitrocellulose and two additional layers that incorporate ethyl cellulose. That is, the polymeric film forming agent of the bottom layer is different from the polymeric film forming agent of the other layers. The wrapping material bands thus provided are also representative of bands that include layers incorporating filler material, such as calcium carbonate.

Example 6

Referring to Fig. 4, a printed wrapping material is provided in the manner set forth in Example 1; except that the base sheet is the one set forth in Example 2, each band has a maximum width of approximately 6 mm, and each layer of each band is provided using a different printing formulation.

The printing formulation for the first or bottom layer of each band is said printing formulation containing nitrocellulose / calcium carbonate described in Example 1.

The printing formulation for the second layer of each band is said printing formulation containing ethyl cellulose / calcium carbonate described in Example 4.

The printing formulation for the third layer of each band is said printing formulation containing ethyl cellulose described in Example 2.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 6 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 1.5 mg.

Example 7

Referring to Fig. 4, a wrapping material 184 is provided in the manner set forth in Example 1, and using the base sheet set forth in Example 1; except that the printed bands are provided using different printing formulations.

The printing formulation for the first or bottom layer of each band is said printing formulation containing ethyl cellulose / calcium carbonate described in Example 4.

The printing formulation of the second layer of each web incorporates an aqueous coating that is used in liquid form, and said coating is an adhesive formulation of RJ Reynolds Tobacco Company used as an adhesive for sealing cigarettes and with the designation CS-1242 . The formulation of CS-1242 is an aqueous-based emulsion adhesive consisting of about 87 to about 88 percent ethylene-vinyl acetate copolymer emulsion marketed under the name Resyn 32-0272 by

National Starch & Chemical Company, and about 12 to about 13 percent concentrated adhesive stabilizer from R. J. Reynolds Tobacco Company known as AC-9. The AC-9 concentrated adhesive stabilizer consists of approximately 92 percent by weight of water and approximately 8 percent by weight of polyvinyl alcohol resin available as Celvol 205 from Celanese Chemicals. The final printing formulation is composed of approximately 95 parts of water-based coating and approximately 5 parts of a mixture. Said mixture is produced by the optical bleach, Uvitex OB from Ciba Specialty Chemicals, in absolute ethyl alcohol; such that the amount of optical bleach dispersed in the final printing formulation is approximately 0.02 parts.

The printing formulation for the third layer of each band is said printing formulation containing ethyl cellulose previously described in Example 2.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 4 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 1 mg.

The wrapping material thus provided represents a base sheet printed with bands with a pattern comprising layers of film-forming material and filler; and the individual layers of those bands are provided from formulations that incorporate non-aqueous solvents and the individual layers of the bands are provided from formulations that incorporate an aqueous solvent. The first or bottom coating is a hydrophobic material; and as such, the weakening or formation of wrinkles in the wrapping material that is associated with certain water-based coatings is avoided. The wrapping material thus provided also represents a wrapping material having multilayer bands, incorporating the first and third ethyl cellulose layers and the second ethylene-vinyl acetate layer. The wrapping material thus provided represents a material having a hydrophobic coating layer applied directly on said wrapping material; a layer covering the first coating layer and in the form of a coating resulting from an aqueous-based emulsion, said second layer providing reduced weight and porosity to the wrapping material; and an effective top layer to prevent blockage. As such, multilayer coatings are used to allow the use of certain water-based coatings to reduce the porosity of wrapping materials in certain regions thereof, without affecting the physical integrity of the wrapping material to any significant degree.

Example 8

Referring to Fig. 4, a wrapping material 184 is provided in the manner set forth in Example 1, and using the base sheet set forth in Example 1; except that the printed bands are provided using different printing formulations.

The printing formulation for the first or bottom layer of each band is said printing formulation containing ethyl cellulose / calcium carbonate described in Example 4.

The printing formulation of the second layer is the aqueous-based printing formulation described in Example 7.

The printing formulation for the third layer of each strip includes approximately 8 parts of polyvinyl alcohol resin such as Celvol 205 from Celanese Chemicals, approximately 87 parts of water and approximately 5 parts of a mixture. Said mixture is produced by the optical bleach, Uvitex OB from Ciba Specialty Chemicals, in absolute ethyl alcohol; such that the amount of optical bleach dispersed in the final printing formulation is approximately 0.02 parts.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 4 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 1.5 mg.

The wrapping material thus provided represents a base sheet printed with bands with a pattern comprising layers of film-forming material, and each layer includes materials of different composition. The wrapping material thus provided is representative of a wrapping material having multilayer bands having an aqueous-based film-forming material (i.e., a film-forming material applied in an aqueous solvent) as the top layer of each band. The wrapping material thus provided is also representative of a wrapping material having layers of film-forming material, and at least one of these layers has a film-forming material that mainly includes, or consists essentially of polyvinyl alcohol.

Example 9

Referring to Fig. 4, a wrapping material 184 is provided in the manner set forth in Example 1, and using the base sheet set forth in Example 1; except that the printed bands are provided using different printing formulations.

The printing formulation for the first or bottom layer is the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4.

The printing formulation of the second layer is the aqueous-based printing formulation described in Example 7.

The third layer is printed with a printing formulation based on polyvinyl alcohol. Said printing formulation includes approximately 8 parts of polyvinyl alcohol resin available as Celvol 205 from Celanese Chemicals, approximately 10 parts of calcium carbonate, approximately 77 parts of water and approximately 5 parts of a mixture. Said mixture is produced by the optical bleach, Uvitex OB from Ciba Specialty Chemicals, in absolute ethyl alcohol; such that the amount of optical bleach dispersed in the final printing formulation is approximately 0.02 parts.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 4 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 1.5 mg.

The wrapping material thus provided represents a base sheet printed with bands with a pattern comprising layers of film-forming material and filler; and at least one individual layer of each band is provided from a formulation incorporating an aqueous solvent, a soluble film forming material and a filler.

Example 1�

Referring to Fig. 5, a wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Wrapping material is available as Tercig LK60 from Tervakoski. The bands 208, 210 each have maximum widths of approximately 6 mm. The bands are positioned at predetermined intervals, such that the spacing between each of the respective bands, measured as the space separating each band, is approximately 20 mm. Each of the bands is printed on the base sheet as a plurality of continuous layers, and for the embodiment shown, there are four layers, 215, 218, 222 and 226. The print pattern of each layer is practically the same, the layers they are recorded so that each successive layer directly and totally covers the layer directly below, the formulation used to print each layer is practically the same, and the amount of formulation used to print each layer is practically the same. The four layers are printed as formulations containing ethyl cellulose / calcium carbonate previously described in Example 4 and in the manner generally described previously in Example 4.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 6 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2 mg.

Example 11

Referring to Fig. 5, a wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Wrapping material is available as Tercig LK46 from Tervakoski. The bands 208, 210 each have maximum widths of approximately 4 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 30 mm. Each of the bands is printed on the base sheet as a plurality of continuous layers, and for the embodiment shown, there are four layers, 215, 218, 222 and 226. The layers are recorded so that each successive layer directly and fully covers the layer directly below.

The first or bottom layer is printed using the printing formulation containing nitrocellulose / calcium carbonate previously described in Example 1. The second layer is printed using the aqueous based printing formulation previously described in Example 7, in the form described generally previously in the Example

7. The third layer is printed with a water-based printing formulation containing polyvinyl alcohol, previously described in Example 7. The top or fourth layer is printed with the ethylcellulose-containing printing formulation previously described in Example 2.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 4 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2 mg.

The wrapping material thus provided represents a printed base sheet with patterned bands, each band comprising four layers, and the printing formulation used to provide each layer has different composition.

Example 12

Referring to Fig. 5, a wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material is described in Example 11. The bands 208, 210 each have maximum widths of approximately 6 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 20 mm. Each of the bands is printed on the base sheet as a plurality of continuous layers, and for the embodiment shown, there are four layers, 215, 218, 222 and 226. The layers are recorded so that each successive layer directly and fully covers the layer directly below.

The first or bottom layer is printed using the printing formulation containing nitrocellulose / calcium carbonate previously described in Example 1. The second layer is printed using an aqueous-based printing formulation. Said printing formulation is provided by mixing approximately 5 parts of sodium chloride with approximately 95 parts of the printing formulation previously described in Example 7. The third layer is printed with a printing formulation containing polyvinyl alcohol previously described in the Example 9. The top or fourth layer is printed with the printing formulation containing ethyl cellulose previously described in Example 2.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 6 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2 mg.

Example 13

Referring to Fig. 5, a wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material is described in Example 1. The bands 208, 210 each have maximum widths of approximately 6 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 20 mm. Each of the bands is printed on the base sheet as a plurality of continuous layers, and for the embodiment shown, there are four layers, 215, 218, 222 and 226. The layers are recorded so that each successive layer directly and fully covers the layer directly below.

The first or bottom layer is printed using the printing formulation containing nitrocellulose / calcium carbonate previously described in Example 1. The second layer is printed using an aqueous-based printing formulation. Said printing formulation is provided by mixing approximately 15 parts of sodium chloride with approximately 85 parts of the printing formulation previously described in Example 7. The third layer is printed with a printing formulation containing polyvinyl alcohol previously described in the Example 8. The top or fourth layer is printed with the printing formulation containing ethyl cellulose previously described in Example 2.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 6 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2 mg.

Example 14

Referring to Fig. 5, a wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material is described in Example 10. The bands 208, 210 each have maximum widths of approximately 6 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 20 mm. Each of the bands is printed on the base sheet as a plurality of continuous layers, and for the embodiment shown, there are four layers, 215, 218, 222 and 226. The layers are recorded so that each successive layer directly and fully covers the layer directly below.

The first or bottom layer is printed using the printing formulation containing nitrocellulose / calcium carbonate previously described in Example 1. The second layer is printed using an aqueous-based printing formulation previously described in Example 7. The third layer it is printed with a printing formulation containing polyvinyl alcohol / calcium carbonate previously described in Example 9. The top or fourth layer is printed with the ethylcellulose-containing printing formulation previously described in Example 2.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 6 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2 mg.

Example 15

Referring to Fig. 5, a wrapping material 180 of printed paper has a base sheet 184 which has

a printed drawing in the form of a series of recurring bands, two of which are shown as bands 188, 190. The paper wrapping material is described in Example 11. The bands 208, 210 each have maximum widths of approximately 5 mm The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 20 mm. Each of the bands is printed on the base sheet as a plurality of continuous layers, and for the embodiment shown, there are four layers, 215, 218, 222 and 226. The layers are recorded so that each successive layer directly and fully covers the layer directly below.

The first or bottom layer is printed using the printing formulation containing nitrocellulose / calcium carbonate previously described in Example 1. The second layer is printed using the aqueous-based printing formulation incorporating sodium chloride previously described in the Example 12. The third layer is printed using the printing formulation containing polyvinyl alcohol previously described in Example 8.

The top or fourth layer is printed with a starch based printing formulation. Said formulation includes approximately 27 parts of calcium carbonate particles, approximately 11 percent sodium chloride, approximately 20 parts dextrin (available as Crystal Tex 626 from National Starch & Chemical), approximately 0.05 parts potassium sorbate, approximately 4 parts of urea, about 3 parts of propylene glycol, about 5 parts of a mixture and about 30 parts of water (which is enough to total the number of parts of the formulation up to 100). Calcium carbonate is available as Albaglos PCC from Specialty Minerals, Inc. The mixture is approximately 0.02 parts of an optical bleach available as Uvitex OB from Ciba Specialty Chemicals in absolute ethyl alcohol.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 5 mm in width and approximately 27 mm in transverse direction. The dry weight of the band is approximately 3 mg.

The wrapping material thus provided represents a base sheet printed with bands with a pattern comprising layers of film-forming material, and the bottom layer of each band includes a hydrophobic film-forming material. The wrapping material thus provided is also representative of a wrapping material substrate having multilayer bands each having three layers of film-forming material provided from printing formulations employing an aqueous solvent.

Example 16

Referring to Fig. 5, a wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material is described in Example 10. The bands 208, 210 each have maximum widths of approximately 6 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 44 mm. Each of the bands is printed on the base sheet as a plurality of continuous layers, and for the embodiment shown, there are four layers, 215, 218, 222 and 226. The layers are recorded so that each successive layer directly and fully covers the layer directly below.

The first or bottom layer is printed using the printing formulation containing nitrocellulose. Said formulation includes about 5 parts of sodium citrate, about 14 parts of nitrocellulose, about 2 parts of triacetin, about 0.5 parts of a wetting agent of lecithin, and about 0.02 parts of an optical bleach available as Uvitex OB from Ciba Specialty Chemicals, and at least about 78 parts of n-propyl acetate as solvent (which is sufficient to total the number of parts of the formulation up to 100). Nitrocellulose is available as Walocel E 360 nitrocellulose from Bayer AG.

The second layer is printed using an aqueous-based printing formulation previously described in Example 7. The third layer is printed with a printing formulation containing polyvinyl alcohol / calcium carbonate previously described in Example 9. The layer top or fourth is printed with the printing formulation containing ethyl cellulose previously described in Example 4.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 6 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2 mg.

The wrapping material thus provided is representative of a wrapping material having printed multilayer bands, at least one of the layers of each strip including a mixture that includes a water-soluble salt and film-forming material that is soluble in a non-solvent. aqueous.

Example 17

Referring to Fig. 5, a wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as

bands 188, 190. The paper wrapping material is described in Example 10. The bands 208, 210 each have maximum widths of approximately 6 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 39 mm. Each of the bands is printed on the base sheet as a plurality of continuous layers, and for the embodiment shown, there are four layers, 215, 218, 222 and 226. The layers are recorded so that each successive layer directly and fully covers the layer directly below.

The first or bottom layer is printed using the printing formulation containing nitrocellulose. Said formulation includes about 15 parts of sodium citrate, about 14 parts of nitrocellulose, about 2 parts of triacetin, about 0.5 parts of a wetting agent of lecithin, and about 0.02 parts of an optical bleach available as Uvitex OB from Ciba Specialty Chemicals, and at least about 68 parts of n-propyl acetate as solvent (which is sufficient to total the number of parts of the formulation up to 100). Nitrocellulose is available as Walocel E 360 nitrocellulose from Bayer AG.

The second layer is printed using an aqueous-based printing formulation previously described in Example 7. The third layer is printed with a printing formulation containing polyvinyl alcohol / calcium carbonate previously described in Example 9. The layer top or fourth is printed with the printing formulation containing ethyl cellulose previously described in Example 4.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 6 mm in width and approximately 27 mm in transverse direction. The dry weight of the band is approximately 3 mg.

Example 18

Referring to Fig. 5, a wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material is described in Example 1. The bands 208, 210 each have maximum widths of approximately 4 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 39 mm. Each of the bands is printed on the base sheet as a plurality of continuous layers, and for the embodiment shown, there are four layers, 215, 218, 222 and 226. The layers are recorded so that each successive layer directly and fully covers the layer directly below.

The first or bottom layer is printed using the printing formulation containing nitrocellulose / sodium citrate described in Example 16. The second layer is printed using an aqueous-based printing formulation previously described in Example 7. The third layer is printed. using a polyvinyl alcohol printing formulation previously described in Example 8.

The top or fourth layer is printed with the printing formulation containing ethyl cellulose. Said formulation includes about 16 parts of magnesium hydroxide, about 10 parts of ethyl cellulose, about 2 parts of triacetin, about 0.5 parts of a lecithin wetting agent, and about 0.02 parts of an optical bleach available as Uvitex OB from Ciba Specialty Chemicals, and at least about 71 parts of isopropyl acetate as solvent (which is sufficient to total the number of parts of the formulation up to 100). Ethylcellulose is available as Aqualon N-7 from Hercules Incorporated.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 6 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2.5 mg.

The wrapping material asf provided represents a printed base sheet with multilayer bands with pattern; and at least one of the layers of each band has been provided from a printing formulation incorporating hydrophobic film forming material and filler material containing magnesium (eg, magnesium hydroxide).

Example 19

Referring to Fig. 5, a wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material is described in Example 11. The bands 208, 210 each have maximum widths of approximately 6 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 20 mm. Each of the bands is printed on the base sheet as a plurality of continuous layers, and for the embodiment shown, there are four layers, 215, 218, 222 and 226. The layers are recorded so that each successive layer directly and fully covers the layer directly below.

The first or bottom layer is printed using the nitrocellulose / sodium citrate-containing printing formulation previously described in Example 16. The second layer is printed using the aqueous-based print formulation previously described in Example 7. The third layer is Print using a printing formulation containing polyvinyl alcohol / calcium carbonate previously described in Example 9. The top or fourth layer is printed with the printing formulation containing ethyl cellulose / magnesium hydroxide previously described in Example 18.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 6 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2 mg.

Example 2�

Referring to Fig. 6, a wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material is described in Example 1. Bands 188, 190 each have maximum widths of approximately 8 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 20 mm. Each of the bands is printed on the base sheet as a plurality of continuous layers, and for each embodiment shown, there are three layers, 215, 218 and 222.

The first or bottom layer 215 is printed on the base sheet 184 as a printing formulation. Said formulation is the formulation containing ethyl cellulose / calcium carbonate previously described in Example 4.

Printed on the first layer 215 is a second layer 218. The width of this layer is approximately 4 mm. The second layer is positioned such that approximately 2 mm at each end of the upper region of the first layer are not covered by the second layer. The second layer 218 includes the water-based printing formulation previously described in Example 7.

Printed on the second layer 218 is a third layer 222 that incorporates a film-forming material that can cover and seal the adhesive component of the second layer 218. The width of this layer is approximately 6 mm. The second layer is positioned such that approximately 1 mm at each end of the upper region of the first layer is not covered by the second layer. The print formulation of the third layer 222 is the polyvinyl alcohol-containing formulation previously described in Example 8.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 8 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 1.4 mg. The dry weight of the first layer is approximately 0.3 mg. The dry weight of the second layer of each band is approximately 0.8 mg. The dry weight of the third layer is approximately 0.3 mg.

For the printed wrapping material described with reference to Fig. 6, the printed drawing of each layer is different, the layers are recorded so that each successive layer covers less than or more than the entire layer directly below, Formulations used to print each layer are not identical in their overall composition and the amount of formulation used to print each layer is not identical for each layer.

Cigarettes manufactured to have tobacco rods produced using these wrapping materials that have bands that include appropriate amounts of appropriate components have the ability to meet the criteria for extinguishing aforementioned cigarettes. One or more of these layers of the bands printed on the wrapping material are effective in helping to reduce the tendency to light cigarettes made from said wrapping material. One of the layers (for example, the third layer of the film-forming material used to cover the second layer of the adhesive composition) provides a way to use the adhesive formulation in the printing of bands onto wrapping materials while providing A procedure to avoid blocking.

Example 21

Referring to Fig. 6, a wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material is described in Example 1. The bands 208, 210 each have maximum widths of approximately 8 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 20 mm. Each of the bands is printed on the base sheet as a plurality of continuous layers, and for each embodiment shown, there are three layers, 215, 218 and 222.

The first or bottom layer has a width of approximately 8 mm and is the formulation containing nitrocellulose / sodium citrate previously described in Example 16.

Printed on the first layer 215 is a second layer 218. The width of this layer is approximately 4 mm. The second layer is positioned such that approximately 2 mm at each end of the upper region of the first layer are not covered by the second layer. The second layer 218 includes the water-based printing formulation previously described in Example 7.

Printed on the second layer 218 is a third layer 222 that incorporates a film-forming material that can cover and seal the adhesive component of the second layer 218. The width of this layer is approximately 6 mm. The second layer is positioned such that approximately 1 mm at each end of the upper region of the first layer is not covered by the second layer. The printing formulation of the third layer 222 is the formulation containing polyvinyl alcohol / calcium carbonate described previously in Example 9.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 6 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2.5 mg.

Example 22

Referring to Fig. 6, a wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material is described in Example 1. The bands 208, 210 each have maximum widths of approximately 8 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 20 mm. Each of the bands is printed on the base sheet as a plurality of continuous layers, and for each embodiment shown, there are three layers, 215, 218 and 222.

The first or bottom layer has a width of approximately 8 mm and is the formulation containing nitrocellulose / sodium citrate previously described in Example 16.

Printed on the first layer 215 is a second layer 218. The width of this layer is approximately 4 mm. The second layer is positioned such that approximately 2 mm at each end of the upper region of the first layer are not covered by the second layer. The second layer 218 includes the aqueous-based printing formulation incorporating sodium chloride previously described in Example 12.

Printed on the second layer 218 is a third layer 222 incorporating a film-forming material that can cover and seal the adhesive component of the second layer 218. The width of said layer is approximately 8 mm. The second layer is positioned so that the first layer is covered by the second layer. The print formulation of the third layer 222 is the polyvinyl alcohol-containing formulation previously described in Example 8.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 6 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2.5 mg.

Example 23

Referring to Fig. 6, a wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material is described in Example 1. The bands 208, 210 each have maximum widths of approximately 8 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 20 mm. Each of the bands is printed on the base sheet as a plurality of continuous layers, and for each embodiment shown, there are three layers, 215, 218 and 222.

The first or bottom layer has a width of approximately 8 mm. The printing formulation for that layer includes about 5 parts of sodium chloride, about 8 parts of ethyl cellulose, about 2 parts of triacetin, about 0.5 parts of a lecithin wetting agent, and about 0.02 parts of an available optical bleach as Uvitex OB from Ciba Specialty Chemicals, and at least about 84 parts of iso-propyl acetate as a solvent (which is sufficient to total the number of parts of the formulation to 100). Ethylcellulose is available as Aqualon N-7 from Hercules Incorporated.

Printed on the first layer 215 is a second layer 218. The width of this layer is approximately 4 mm. The second layer is positioned such that approximately 2 mm at each end of the upper region of the first layer are not covered by the second layer. The second layer 218 includes the water-based printing formulation previously described in Example 7.

Printed on the second layer 218 is a third layer 222 incorporating a film-forming material that

it can cover and seal the adhesive component of the second layer 218. The width of this layer is approximately 6 mm. The second layer is positioned such that approximately 1 mm at each end of the upper region of the first layer is not covered by the second layer. The third layer printing formulation 222 is said starch-based formulation previously described in Example 15.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 6 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2.5 mg.

Example 24

Referring to Fig. 6, a wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material is described in Example 1. The bands 208, 210 each have maximum widths of approximately 8 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 20 mm. Each of the bands is printed on the base sheet as a plurality of continuous layers, and for each embodiment shown, there are three layers, 215, 218 and 222.

The first or bottom layer has a width of approximately 8 mm and is the formulation containing ethyl cellulose / sodium chloride previously described in Example 23.

Printed on the first layer 215 is a second layer 218. The width of this layer is approximately 4 mm. The second layer is positioned such that approximately 2 mm at each end of the upper region of the first layer are not covered by the second layer. The second layer 218 includes the aqueous-based printing formulation incorporating sodium chloride previously described in Example 12.

Printed on the second layer 218 is a third layer 222 incorporating a film-forming material that can cover and seal the adhesive component of the second layer 218. The width of said layer is approximately 8 mm. The second layer is positioned so that the first layer is covered by the second layer. The third layer printing formulation 222 is the ethyl cellulose-containing formulation previously described in Example 2.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 6 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 3 mg.

Example 25

Referring to Fig. 6, a wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material is described in Example 1. The bands 208, 210 each have maximum widths of approximately 8 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 20 mm. Each of the bands is printed on the base sheet as a plurality of continuous layers, and for each embodiment shown, there are three layers, 215, 218 and 222.

The first or bottom layer has a width of approximately 8 mm. The printing formulation for said layer is the ethyl cellulose-containing formulation described in Example 2.

Printed on the first layer 215 is a second layer 218. The width of this layer is approximately 4 mm. The second layer is positioned such that approximately 2 mm at each end of the upper region of the first layer are not covered by the second layer. The second layer 218 includes the aqueous-based printing formulation incorporating sodium chloride previously described in Example 13.

Printed on the second layer 218 is a third layer 222 that incorporates a film-forming material that can cover and seal the adhesive component of the second layer 218. The width of this layer is approximately 6 mm. The second layer is positioned such that approximately 1 mm at each end of the upper region of the first layer is not covered by the second layer. The third layer printing formulation 222 is said starch-based formulation previously described in Example 15.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 6 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2.5 mg.

Example 26

Referring to Fig. 6, a wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as

bands 188, 190. The paper wrapping material is described in Example 1. The bands 208, 210 each have maximum widths of approximately 8 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 20 mm. Each of the bands is printed on the base sheet as a plurality of continuous layers, and for each embodiment shown, there are three layers, 215, 218 and 222.

The first or bottom layer has a width of approximately 8 mm. The printing formulation is the printing formulation containing nitrocellulose / calcium carbonate described in Example 1.

Printed on the first layer 215 is a second layer 218. The width of this layer is approximately 4 mm. The second layer is positioned such that approximately 2 mm at each end of the upper region of the first layer are not covered by the second layer. The second layer 218 includes the water-based printing formulation. The printing formulation for said layer includes about 22 parts of starch available as Flokote 64 from National Starch, about 2.5 parts of sodium citrate dihydrate, about 3 parts of potassium citrate monohydrate, about 1 part of diammonium phosphate, about 5 parts of a mixture, and at least about 66 parts of water (which is enough to total the number of parts of the formulation up to 100). Said mixture is produced by mixing the optical bleach, Uvitex OB from Ciba Specialty Chemicals, in absolute ethyl alcohol; such that the amount of optical bleach dispersed in the final printing formulation is approximately 0.02 parts.

Printed on the second layer 218 is a third layer 222 that incorporates a film-forming material that can cover and seal the adhesive component of the second layer 218. The width of this layer is approximately 6 mm. The second layer is positioned such that approximately 1 mm at each end of the upper region of the first layer is not covered by the second layer. The third layer printing formulation 222 is the ethyl cellulose-containing formulation previously described in Example 2.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 6 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2.5 mg.

Example 27

Referring to Fig. 6, a wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material is described in Example 1. Bands 188, 190 each have maximum widths of approximately 8 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 20 mm. Each of the bands is printed on the base sheet as a plurality of continuous layers, and for each embodiment shown, there are three layers, 215, 218 and 222.

The first or bottom layer has a width of approximately 8 mm and is the ethyl cellulose-containing formulation previously described in Example 2.

Printed on the first layer 21 is a second layer 218. The width of this layer is approximately 4 mm. The second layer is positioned such that approximately 2 mm at each end of the upper region of the first layer are not covered by the second layer. The second layer 218 includes the water-based printing formulation previously described in Example 7.

Printed on the second layer 218 is a third layer 222 that incorporates a film-forming material that can cover and seal the adhesive component of the second layer 218. The width of this layer is approximately 6 mm. The second layer is positioned such that approximately 1 mm at each end of the upper region of the first layer is not covered by the second layer. The printing formulation of the third layer 222 is the formulation containing nitrocellulose / calcium carbonate previously described in Example 1.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 8 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2 mg.

Example 28

Referring to Fig. 6, a wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material is described in Example 1. The bands 208, 210 each have maximum widths of approximately 8 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 20 mm. Each of the bands is printed on the base sheet as a plurality of continuous layers, and for each embodiment shown, there are three layers, 215, 218 and 222.

The first or bottom layer has a width of approximately 8 mm and is the ethyl cellulose-containing formulation previously described in Example 2.

Printed on the first layer 215 is a second layer 218. The width of this layer is approximately 4 mm. The second layer is positioned such that approximately 2 mm at each end of the upper region of the first layer are not covered by the second layer. The second layer 218 includes the starch-based printing formulation previously described in Example 15.

Printed on the second layer 218 is a third layer 222 that incorporates a film-forming material that can cover and seal the adhesive component of the second layer 218. The width of this layer is approximately 6 mm. The second layer is positioned such that approximately 1 mm at each end of the upper region of the first layer is not covered by the second layer. The print formulation of the third layer 222 is said starch-based formulation previously described in Example 26.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 8 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2 mg.

Example 29

Referring to Fig. 7, a wrapping material 180 of printed paper has a base sheet 184 having a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The wrapping material has a porosity of approximately 18 CORESTA units and is available as Tercig LK18 from Tervakoski. The bands 188, 190 each have maximum widths of approximately 4 mm. The bands are positioned at predetermined intervals, such that the spacing between each of the respective bands, measured as the space separating each band, is approximately 20 mm. Each of the bands is printed on the base sheet as a plurality of continuous layers, and for the embodiment shown, there are three layers, 215, 218 and 222. The print pattern of each layer is practically the same, the layers are recorded so that each successive layer directly and totally covers the layer directly below, the formulation used to print the bottom layer is previously described in Example 4; and each layer of the middle and upper layers is practically the same, and the amount of formulation used to print each layer is practically the same. The middle and upper layers are printed using the formulations previously described in Example 2, and are practically printed in the same manner as previously described in Example 2.

The wrapping material also includes a fourth continuous layer 230. The formulation of said layer is about 10 parts of sodium citrate and about 90 parts of water. Said formulation is printed on the entire surface of the wrapping material; for example, at a line plot of 300. The amount of formulation employed is sufficient to provide a wrapping material having the sodium citrate applied in the amount of about 0.5 percent, based on the dry weight of the base sheet . Overcoat layers do not require optical bleaching, since the total coverage of the main surface of the wrapping material using said printing formulation does not require registration. The additional or fourth layer is provided from a formulation that practically lacks film-forming material. Furthermore, although represented in Fig. 7 as a continuous layer, the absence of film-forming material in the overcoat layer results in the salt of the aqueous solution coming into intimate contact with the wrapping material when the solvent is removed. aqueous.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 4 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 1.7 mg.

For the wrapping material described with reference to Fig. 7, a layer of overcoating is printed practically over the entire main surface of the wrapping material. Said overcoating layer is also applied to cover the bands that have been previously printed on said wrapping material. The overcoat layer is also used in a manner that allows the incorporation of chemical compounds that modify the burning in the wrapping material using a printing process.

Example 3�

Referring to Fig. 8, a wrapping material 180 of printed paper has a base sheet 184 having a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material is described in Example 1. Bands 188, 190 each have maximum widths of approximately 6 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 20 mm. Each of the bands is printed on the base sheet as a plurality of continuous layers, and for each embodiment shown, there are three layers, 215, 218 and 222. The print pattern for each layer is different, the layers are recorded so that each of said successive layers covers the layer directly below, and the formulation used to print each layer is practically the same.

The first or bottom layer 215 is printed on the base sheet 184 as a printing formulation. Said formulation is the formulation containing ethyl cellulose / calcium carbonate previously described in Example 4.

Printed on the first layer 215 is a second layer 218 that includes the same formulation, and the second layer and the width of said layer is approximately 5 mm. The second layer is positioned so that approximately 0.5 mm of each of the ends of the upper region of the first layer are not covered by the second layer. Printed on the second layer 218 is a third layer 222 that includes the same formulation. The third layer is positioned so that approximately 0.5 mm of each of the ends of the upper region of the second layer are not covered by the third layer.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 6 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 3 mg.

The wrapping material shown in Fig. 8 represents a base sheet having a series of practically equally spaced multilayer bands of practically equal width and dimensions, whereby the width of each of the successive layers of each band is less than of the layer below the layer, and whereby the ends of each successive layer are equally displaced from the ends of the layer below said layer. Said wrapping material also represents a wrapping material that has bands having three layers, each layer being different in size, but each layer includes printing formulation incorporating hydrophobic film forming material.

Example 31

Referring to Fig. 9, a wrapping material 180 of printed paper has a base sheet 184 having a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material is described in Example 1. Bands 188, 190 each have maximum widths of approximately 8 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 30 mm. Each of the bands is printed on the base sheet as a plurality of continuous layers, and for each embodiment shown, there are four layers, 215, 218, 222 and 226. For each band, the width of each layer is different, the layers they are recorded so that each of said successive layers covers the layer directly below, and the formulation used to print each layer is practically the same.

The first or bottom layer 215 is printed on the base sheet 184 as a printing formulation. Said formulation is previously described in Example 1. Said layer has a width of approximately 8 mm.

Printed on the first layer 215 is a second layer 218 that includes the starch-based printing formulation described in Example 26, and the second layer has a width of approximately 6 mm. The second layer is positioned so that approximately 1 mm at each end of the upper region of the first layer is not covered by the second layer.

Printed on the second layer 218 is a third layer 222 which includes the printing formulation based on polyvinyl alcohol described in Example 9, and the third layer is approximately 5 mm wide. The third layer is positioned so that approximately 0.5 mm at each end of the upper region of the second layer is not covered by the third layer.

Printed on the third layer 222 is a fourth layer 226 which includes the printing formulation containing ethyl cellulose described in Example 2, and the fourth layer is approximately 3 mm wide. The fourth layer is positioned so that approximately 1 mm at each end of the upper region of the second layer is not covered by the fourth layer.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 8 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 3 mg.

Example 32

Referring to Fig. 10, a wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material is described in Example 3. Bands 188, 190 each have maximum widths of approximately 7 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 20 mm. Each of the bands is printed on the base sheet as a plurality of continuous layers, and for each embodiment shown, there are two layers, 215 and 218. The width of each layer is different, the layers are recorded so that the top layer it covers the lower layer, and the formulation used to print said layer is practically the same.

The first or bottom layer 215 is printed on the base sheet 184 as a printing formulation, and the width of said web is approximately 7 mm. Said formulation is the formulation containing ethyl cellulose / calcium carbonate previously described in Example 4.

Printed on the first layer 215 is a second layer 218 which includes the formulation described in Example 4, and the second layer and the width of said layer is approximately 5 mm. The second layer is positioned so that approximately 1 mm of each of the ends of the upper region of the first layer are not covered by the second layer.

The wrapping material also includes an optional continuous third layer 230. The formulation is the salt-containing formulation previously described in Example 29. Said formulation is printed on the entire surface of the wrapping material, practically in the manner set forth in Example 29.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 7 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2 mg.

The wrapping material having the drawing depicted in Fig. 9 is representative of a wrapping material having a series of spaced bands; and the amount of coating applied to the wrapping material for each band is relatively high towards the center of each band and relatively low towards each side of each band. That is, for each band that has a central portion and two lateral portions; there is a greater amount of printing formulation applied towards the central part than towards each of the lateral parts.

Example 33

Referring to Fig. 11, the wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material is described in Example 3. The bands each have maximum widths of approximately 5 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 30 mm.

The wrapping material includes an optional first continuous layer 250. The printing formulation of said layer is about 10 parts of sodium citrate and about 90 parts of water. Said formulation is printed on the entire surface of the wrapping material; for example, at a line plot of 300. The amount of formulation employed is sufficient to provide a wrapping material having the sodium citrate applied in the amount of about 0.5 percent, based on the dry weight of the base sheet . Said primer coating does not require optical bleach, since the total coverage of the main surface of the wrapping material using said print formulation does not require registration. The primer layer is provided from a formulation that is practically free of film-forming material. Furthermore, although represented in Fig. 11 as a continuous layer, the absence of film-forming material in the primer layer results in the salt of the aqueous solution coming into intimate contact with the wrapping material when the solvent is removed. aqueous.

Each of the bands is printed on the base sheet as a plurality of continuous layers, and for each embodiment shown, there are three layers, 253, 256 and 259. The print pattern of the two background layers, 253, 256, is practically the same, the layers are registered so that the upper layer 256 completely covers the layer 253 directly below, and the formulation used to print said layer is practically the same. Each of the two bottom layers of the bands is applied to the coated base sheet as a printing formulation. Said formulation is the formulation containing ethyl cellulose / calcium carbonate previously described in Example 4.

Printed on the second layer 256 of each band is a third layer 259 which includes the print formulation previously described in Example 15, and the second layer and the width of said layer is approximately 4 mm. The second layer is positioned so that approximately 0.5 mm at each end of the upper region of the second layer is not covered by the third layer.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 6 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2 mg.

The wrapping material shown in Fig. 11 represents a base sheet having a series of practically equally spaced multilayer bands of practically equal width and dimensions, whereby the widths of certain successive layers of each band are practically equal, and the widths of certain successive layers of each band are smaller than that of the layer or layers below these layers. The wrapping material depicted in Fig. 11 also represents a base sheet that has a series of practically equally spaced multilayer bands of practically equal width and dimensions that are printed on a base sheet on which a primer coat has previously been applied. printing formulation on practically the entire surface. That is, the primer layer is applied so that they can be

print bands with a drawing on said wrapping material on the material that is printed on the wrapping material. The primer layer may incorporate a water soluble salt, and the primer layer may be practically free of film-forming material. The primer layer is also used in a manner that allows the incorporation of chemical compounds that modify the burning in the wrapping material using a printing process.

Example 34

Referring to Fig. 11, the wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material is described in Example 1. Each of these bands has maximum widths of approximately 5 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 20 mm.

The wrapping material also includes an optional first continuous layer 250. The formulation and application of said layer are described in Example 33.

Each of the bands is printed on the base sheet as a plurality of continuous layers, and for each embodiment shown, there are three layers, 253, 256 and 259. The print pattern of the two background layers, 253, 256, is practically the same, the layers are registered so that the upper layer 256 completely covers the layer 253 directly below, and the formulation used to print said layer is practically the same. Each of the two bottom layers of the bands is applied to the coated base sheet as a printing formulation.

The printing formulation for the bottom layers 253, 256 of each band includes about 16 parts of calcium carbonate particles, about 6 parts of ethyl cellulose, about 2 parts of nitrocellulose, about 2 parts of triacetin, about 0.5 parts of a lecithin wetting agent, and about 0.02 parts of an optical bleach available as Uvitex OB from Ciba Specialty Chemicals, and at least about 74 parts of iso-propyl acetate as solvent (which is sufficient to total the number of parts of the formulation up to 100). Calcium carbonate is available as Albaglos PCC from Specialty Minerals, Inc. Ethylcellulose is available as Aqualon N-7 from Hercules Incorporated. Nitrocellulose is available as Walocel E -360 nitrocellulose from Bayer AG.

Printed on the second layer 256 of each band is a third layer 259 which includes the print formulation previously described in Example 9, and the second layer and the width of said layer is approximately 4 mm. The second layer is positioned so that approximately 0.5 mm at each end of the upper region of the second layer is not covered by the third layer.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 6 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2 mg.

Example 35

Referring to Fig. 11, the wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material is described in Example 1. The bands each have a maximum width of approximately 5 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 20 mm.

The wrapping material also includes an optional first continuous layer 250. The formulation and application of said layer are described in Example 33.

Each of the bands is printed on the base sheet as a plurality of continuous layers, and for each embodiment shown, there are three layers, 253, 256 and 259. The print pattern of the two background layers, 253, 256, is practically the same, the layers are registered so that the upper layer 256 completely covers the layer 253 directly below, and the formulation used to print said layer is practically the same. Each of the two bottom layers of the bands is applied to the coated base sheet as a printing formulation. The printing formulation of each layer of each band includes approximately 16 parts of calcium carbonate particles, approximately 6 parts of ethyl cellulose, approximately 2 parts of polyvinyl acetate, approximately 2 parts of triacetin, approximately 0.5 parts of a wetting agent of lecithin and about 0.02 parts of an optical bleach available as Uvitex OB from Ciba Specialty Chemicals, and at least about 74 parts of iso-propyl acetate as solvent (which is sufficient to total the number of parts of the formulation up to 100). Calcium carbonate is available as Albaglos PCC from Specialty Minerals, Inc. Ethylcellulose is available as Aqualon N-7 from Hercules Incorporated. Polyvinyl acetate is available as B-15 from McGean-Rohco.

Printed on the second layer 256 of each band is a third layer 259 which includes the print formulation previously described in Example 1, and the second layer and the width of said layer is approximately 4 mm. The second layer is positioned so that approximately 0.5 mm at each end of the upper region of the second layer is not covered by the third layer.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 6 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2 mg.

Example 36

Referring to Fig. 12, the wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material is described in Example 1. The bands each have maximum widths of approximately 7 mm. The bands are discontinuous bands, each being constructed from two portions 300, 305 of the band. The bands are positioned at predetermined intervals, such that the measured separation between the respective bands is approximately 20 mm.

For the embodiment shown, the first portion 300 of the band has three layers, 310, 315 and 320; and the second portion 305 of band also has three layers, 325, 330 and 335. Each of the band portions is separated by 1 mm. Each bottom layer 310, 325 has a width of approximately 3 mm. These layers are provided from the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4. Printed on these first layers 310, 325 are the second layers 315, 330, respectively; and these second layers include the same print formulation. Each second layer has a width of approximately 2 mm. Each of the second layers 315, 330 is positioned such that approximately 1 mm at one end of the upper region of each respective first layer 310, 325 is not covered by the second layer. Printed on these second layers are the third layers 320, 335, respectively, and these third layers include the printing formulation containing nitrocellulose / calcium carbonate described in Example 1. Each third layer is approximately 1 mm wide. Each of the third layers 320, 335 is positioned such that approximately 1 mm at one end of the upper region of each respective second layer 315, 330 is not covered by the third layer.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 7 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2.5 mg.

The wrapping material shown in Fig. 12 represents a base sheet having a series of practically equally spaced multilayer bands of practically equal width and dimensions. These bands are discontinuous bands; which include two multilayer sections. The wrapping material shown in Fig. 12 also represents a base sheet having multilayer discontinuous bands, whereby the widths of the layers of each individual section of each band are different from each other. In particular, the width of each successive layer of each band portion is smaller than that of the layer below the layer, and therefore one end of each successive layer is displaced from the ends of the layer below said layer; and the layers of each band portion are recorded so that they have their respective ends practically covering each other at one end of the band.

Example 37

Referring to Fig. 13, the wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material described in Example 1. The bands each have maximum widths of approximately 7 mm. The bands are positioned at predetermined intervals, such that the measured separation between the respective bands is approximately 20 mm.

Each of the bands is printed on the base sheet as a plurality of continuous layers, and for each embodiment shown, there are two continuous layers, 215, 218, and two discontinuous layers, 280 and 282.

The bottom layer 215 has a width of about 6 mm. Said layer is provided from the printing formulation containing nitrocellulose / calcium carbonate described in Example 1.

Printed on the first layer 215 is a second layer 218 provided from the ethylcellulose / calcium carbonate printing formulation described in Example 4, and the width of this second layer is approximately 6 mm. The second layer is positioned such that it practically covers the first layer.

Printed on the second layer is a third layer, which is a discontinuous layer that has first and second portions 350, 355, each approximately 2 mm wide and positioned with a separation of approximately 2 mm. Each of the first and second portions 350, 355 is provided from the printing formulation containing ethyl cellulose / magnesium hydroxide previously described in Example 18.

An optional fourth layer 360 has a width of approximately 7 mm and covers all the lower layers of the wrapping material. The fourth layer 360 is positioned such that it extends approximately 0.5 mm below each end of the first web layer. The fourth layer 360 printing formulation is the ethyl cellulose-containing formulation described in Example 2.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 7 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2.5 mg.

The wrapping material shown in Fig. 13 represents a base sheet having a series of practically equally spaced multilayer bands of practically equal width and dimensions. These bands are of a continuous nature, but have at least one discontinuous layer; The discontinuous layer includes two sections (for example, two lists that extend through the wrapping material).

Example 38

Referring to Fig. 13, the wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material described in Example 1. The bands each have maximum widths of approximately 7 mm. The bands are positioned at predetermined intervals, such that the measured separation between the respective bands is approximately 20 mm.

Each of the bands is printed on the base sheet as a plurality of continuous layers, and for each embodiment shown, there are two continuous layers, 215, 218, and two discontinuous layers, 280 and 282.

The bottom layer 215 has a width of about 6 mm. This layer is provided from the formulation containing ethyl cellulose / calcium carbonate described in Example 4.

Printed on the first layer 215 is a second layer 218 provided from the ethylcellulose printing formulation described in Example 2, and the width of this second layer is approximately 6 mm. The second layer is positioned such that it practically covers the first layer.

Printed on the second layer is a third layer, which is a discontinuous layer that has first and second portions 350, 355, each approximately 2 mm wide and positioned with a separation of approximately 2 mm. Each of the first and second portions 350, 355 is provided from a printing formulation that includes about 8 parts of polyvinyl alcohol resin available as Celvol 205 from Celanese Chemicals, about 5 parts of sodium citrate, about 82 parts of water and about 5 parts of a mixture. Said mixture is produced by the optical bleach, Uvitex OB from Ciba Specialty Chemicals, in absolute ethyl alcohol; such that the amount of optical bleach dispersed in the final printing formulation is approximately 0.02 parts.

An optional fourth layer 360 has a width of approximately 7 mm and covers all the lower layers of the wrapping material. The fourth layer 360 is positioned such that it extends approximately 0.5 mm below each end of the first web layer. The fourth layer 360 printing formulation is the ethyl cellulose-containing formulation described in Example 2.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 7 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2 mg.

Example 39

Referring to Fig. 13, the wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material described in Example 1. The bands each have maximum widths of approximately 7 mm. The bands are positioned at predetermined intervals, such that the measured separation between the respective bands is approximately 20 mm.

Each of the bands is printed on the base sheet as a plurality of continuous layers, and for each embodiment shown, there are two continuous layers, 215, 218, and two discontinuous layers, 280 and 282.

The bottom layer 215 has a width of about 6 mm. This layer is printed using a formulation that includes about 7 parts of nitrocellulose, about 2 parts of triacetin, about 0.5 parts of a lecithin wetting agent, and about 0.02 parts of an optical bleach available as Uvitex OB from Ciba Specialty Chemicals, and at least about 90 parts of iso-propyl acetate as solvent (which is sufficient to total the number of parts of the formulation up to 100). Nitrocellulose is available as Walocel E 360 nitrocellulose from Bayer AG.

Printed on the first layer 215 there is a second layer 218 provided from the formulation of

Ethylcellulose / calcium carbonate printing described in Example 4, and the width of this second layer is approximately 6 mm. The second layer is positioned such that it practically covers the first layer.

Printed on the second layer is a third layer, which is a discontinuous layer that has first and second portions 350, 355, each approximately 2 mm wide and positioned with a separation of approximately 2 mm. Each of the first and second portions 350, 355 is provided from the printing formulation containing polyvinyl alcohol / calcium carbonate previously described in the Example

14.

An optional fourth layer 360 has a width of approximately 7 mm and covers all the lower layers of the wrapping material. The fourth layer 360 is positioned such that it extends approximately 0.5 mm below each end of the first web layer. The fourth layer 360 printing formulation is the ethyl cellulose-containing formulation described in Example 2.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 7 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2 mg.

Example 4�

Referring to Fig. 13, the wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material described in Example 1. The bands each have maximum widths of approximately 7 mm. The bands are positioned at predetermined intervals, such that the measured separation between the respective bands is approximately 20 mm.

Each of the bands is printed on the base sheet as a plurality of continuous layers, and for each embodiment shown, there are two continuous layers, 215, 218, and two discontinuous layers, 280 and 282.

The bottom layer 215 has a width of about 6 mm. This layer is provided from the formulation containing ethyl cellulose / calcium carbonate described in Example 4.

Printed on the first layer 215 is a second layer 218 provided from the ethylcellulose printing formulation described in Example 2, and the width of this second layer is approximately 6 mm. The second layer is positioned such that it practically covers the first layer.

Printed on the second layer is a third layer, which is a discontinuous layer that has first and second portions 350, 355, each approximately 2 mm wide and positioned with a separation of approximately 2 mm. Each of the first and second portions 350, 355 is provided from the nitrocellulose-containing printing formulation previously described in Example 16.

An optional fourth layer 360 has a width of approximately 7 mm and covers all the lower layers of the wrapping material. The fourth layer 360 is positioned such that it extends approximately 0.5 mm below each end of the first web layer. The fourth layer 360 printing formulation is the ethyl cellulose-containing formulation described in Example 2.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 7 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2 mg.

Example 41

Referring to Fig. 14, the wrapping material 180 of printed paper has a base sheet 184 having a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Wrapping material is available as Tercig LK60 from Tervakoski. Each of these bands has maximum widths of approximately 8 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 20 mm.

The wrapping material also includes an optional first continuous layer 250. The formulation used to print said layer is described in Example 33.

Each of the bands is printed on the base sheet as a plurality of continuous layers, and for each embodiment shown, there are three layers, 253, 256 and 380. The bottom layer 253 of each band has a width of approximately 5 mm. The print pattern of the upper layer 256 is practically the same, the layers are recorded so that the upper layer 256 completely covers the layer 253 directly below, and the formulation used to print each layer is practically the same. Each of the two layers 253, 256 of the bands is applied to the coated base sheet as a printing formulation. This formulation used to print these layers is the formulation containing ethyl cellulose / calcium carbonate described previously in Example 4.

Printed on, and covering all of the three previously described web layers there is a fourth layer 380 that incorporates a film-forming material that can cover the main surface of the wrapping material. The formulation is the printing formulation containing ethyl cellulose described in Example 2.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 8 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2 mg.

Example 42

Referring to Fig. 15, the wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrap material is the wrap material described in Example 1. The bands each have maximum widths of approximately 7 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 30 mm.

The bottom layer 215 is applied to the wrapping material generally in a previously described manner. The central layer 218 is applied on the bottom layer so that the amount of coating formulation on one side of said central layer is greater than on the other side of said layer. The upper layer 222 is applied on the central layer 218, and in such a way that the amount of coating formulation on one side of said upper layer is greater than on the other side of the layer. The coating formulation for each of the bands 215, 218 and 222 is the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4. Applications of each of the coating layers are recorded so that the band The result is continuous and has a relatively consistent total coating application across its width. The form by which the two upper layers are arranged, and the coordination between the coating formulations and the application of these formulations results in a wrapping material having bands that have a relatively consistent composition from the top to the bottom and of Side to side. The coating formulation is applied such that each layer provides approximately 0.6 mg of dry weight of wrapping material in each printed region (for wrapping materials cut in widths of 27 mm).

The form by which a layer having a different coating application across its width is applied to a wrapping material may vary. Typically, printing cylinders having larger and deeper cells are used to apply larger amounts of print formulation at one end of the layer, while smaller, shallow cells are used to apply smaller amounts of print formulation at the other end of the layer.

The wrapping material shown in Fig. 15 represents a base sheet having a series of practically equally spaced multilayer bands of practically equal width and dimensions, so that at least one layer (and preferably an even number of layers) is applied in an amount altered throughout the width of said layer. Preferably, each of said layers having an altered application relationship of coating formulation is provided from an identical formulation, type of coating and drawing; and as such, the relative symmetry of the composition of said band throughout its width can be maintained.

Example 43

Referring to Fig. 16, the wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrapping material is the wrapping material described in Example 1. The strips each have maximum widths of approximately 7.5 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 20 mm.

The first layer 400 is a discontinuous layer having first 405, second 407 and third 409 portions, each approximately 1.5 mm wide and positioned with a separation of approximately 0.5 mm. The second layer 415 is a discontinuous layer having first 420, second 422 and third 424 portions, each approximately 1.5 mm wide and positioned with a separation of approximately 0.5 mm. These first three layers are printed on the first three layer portions. Each of the aforementioned layers is provided using the coating formulation containing ethyl cellulose / calcium carbonate described in Example 4.

A third layer is printed on the aforementioned layers, and the width of said layer is approximately 7.5 mm. The third layer 430 is positioned such that approximately 0.5 mm beyond each end of the upper region of the first and second layers are covered by the third layer. The coating formulation for the third layer 430 is the printing formulation containing ethyl cellulose described in Example 2.

The wrapping material shown in Fig. 16 represents a base sheet having a series of bands

multilayer practically equally spaced of width and practically equal dimensions. Each band includes a series of multilayer coatings; that is, each band includes several discontinuous bands. The wrapping material depicted in Fig. 16 also represents a band that has a continuous general nature (due to the top layer of coating formulation) while the bands or portions of said strip are of a discontinuous nature.

Example 44

Referring to Fig. 17, a paper wrapping material 180 has a base sheet 184 that has a printed pattern in the form of a set of bands that form a series of recurring bands. Each set of bands is composed of three bands. The central bench 450 has a width of approximately 5 mm, and is practically the type previously described in Example 34 with reference to Fig. 11. That is, the central band has a bottom layer 253, a central layer 256 and an upper layer 259. Positioned on each side of said central band 450, and approximately 0.5 mm apart on each side of the band, there are two smaller bands 452, 454. Both smaller bands have widths of approximately 2 mm. Both bands 452, 454 have first layers 456, 460, respectively, and second layers 462, 464 applied on the first respective layers. The layers of the smaller bands 452, 454 are provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4. As such, a discontinuous band having three sections is provided.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 8 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2 mg.

The wrapping material thus provided represents a printed base sheet with patterned bands; and the bands are segmented multilayer bands that are discontinuous in nature. As such, several band segments are combined to form a band region.

Example 45

Referring to Fig. 18, the wrapping material 180 of printed paper has a base sheet 184 that has a printed pattern in the form of a series of recurring bands, two of which are shown as bands 188, 190. The Paper wrap material is the wrap material described in Example 1. The bands each have maximum widths of approximately 7 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 20 mm.

The bottom layer 215 is applied to the wrapping material generally in a previously described manner. Two central layer sections 480, 482 are applied on the bottom layer so that the amount of coating formulation on one side of each section of the core layer is greater than on the other side of the respective section. Two upper layer sections 484, 486 are applied over the respective central layer sections 480, 482 and in such a way that the amount of coating formulation on one side of each upper layer is greater than that of the other side of the respective layer . The coating formulation in each of the layers 215, 480, 482, 484 and 486 is the printing formulation described in Example 4. The manner in which the two upper layers are arranged, and the coordination between the formulations of Coating and the application of these formulations, results in a printed wrapping material having bands that have a relatively symmetrical shape, side by side. The coating formulation is applied such that each layer provides approximately 0.6 mg of dry weight of wrapping material in each printed region (for wrapping materials cut in widths of 27 mm).

The form by which a layer having a different coating application across its width is applied to a wrapping material may vary. Typically, printing cylinders having larger and deeper cells are used to apply larger amounts of print formulation at one end of the layer, while smaller, shallow cells are used to apply smaller amounts of print formulation at the other end of the layer.

The wrapping material depicted in Fig. 15 represents a base sheet having a series of practically equally spaced multilayer bands of practically equal width and dimensions, whereby a layer having two sections in varying amounts across the width is applied of that layer. For the embodiment shown, the amount of printing formulation applied to the wrapping material at the edges of each band is greater than the amount applied towards the center of each band. That is, for each band, a smaller amount of print formulation is applied to the central portion than to each lateral portion.

Example 46

Referring to Fig. 19, a printed wrapping material 184 has a base sheet 180 having spaced bands 188, 190. The base sheet is described in Example 1. A first continuous printed layer 485 is printed on the main surface of the base sheet such that the printed amount is larger as it approaches each

band region and minor in the region between the bands. On said first layer 485 in the region in which said first layer has the greatest amount of coating formulation applied to the base sheet 180 there are printed spaced bands 188, 190, each of which has two layers 487, 489 with drawing . The bands 188, 190 each have maximum widths of approximately 4 mm. These bands are positioned at predetermined intervals, such that the separation between each of the respective bands is approximately 20 mm.

The first layer 485 is provided by printing said ethyl cellulose-containing formulation described in the Example

2.

Layers 487, 489 of each band 188 are provided from the printing formulation described in Example 4.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having at least about 4 mm in width and about 27 mm in transverse direction. The dry weight of each band is approximately 2 mg.

The wrapping material thus provided represents a base sheet printed with bands with a drawing having regions printed between these bands. The wrapping material thus provided represents regions printed between bands, and the pattern printed between these bands changes along the length of said wrapping material. For example, a printed region has higher levels of printing formulation applied to the wrapping material in regions near each band, and lower levels of printing formulation applied to the wrapping material in central regions between bands and away from said bands.

Example 47

Referring to Fig. 20, a wrapping material 184 of printed paper has a base sheet 180 having spaced bands 188, 190. The base sheet is described in Example 1. A layer 495 of printed discontinuous coating is printed between bands 188 and 190 such that the amount printed is greater when approaching each band, and smaller in the region between the bands. At each end of layer 495, in the region of said first layer having the greatest amount of coating formulation applied to the base sheet 180, there are printed bands 188, 190, each of which has two layers 215, 218 and 222 with drawing. The bands 188, 190 each have maximum widths of approximately 6 mm. These bands are positioned at predetermined intervals, such that the separation between each of the respective bands is approximately 30 mm.

The discontinuous layer 495 is provided by printing said cellulose-containing formulation described in the Example

2.

Layers 215, 218 and 222 of band 188 are provided from the printing formulation described in Example 4.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 6 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2.5 mg.

The wrapping material depicted in Fig. 20 represents a base sheet having a series of practically equally spaced multilayer bands, and a series of regions printed between these bands. For example, there is a printed region between two bands, and the amount of coating formulation applied to the wrapping material is not consistent over the entire distance between these bands. In particular, the degree of coating application is altered on said printed region, and the amount of coating is relatively high in regions that approximate the vicinity of each band, and the amount of coating is relatively low in regions that approximate the neighborhood farthest from each band.

Example 48

Referring to Fig. 21, a wrapping material 180 of printed paper has a base sheet 184 having a pattern printed on each side of said sheet. The drawing is in the form of a series of recurring bands, two of which are shown on the main surface 550 of the fabric side of the sheet as bands 188, 190; and two of which are shown on the main surface 555 of the felt side of the sheet as bands 560, 562. The paper wrapping material is available as Tercig LK38 from Tervakoski. These bands 208, 210 each have maximum widths of approximately 4 mm. The bands are positioned at predetermined intervals, such that the separation between each of the respective bands, measured as the space that separates each band, is approximately 20 mm.

The bands on the fabric side 550 of the sheet are each printed on the base sheet as a plurality of continuous layers, and for each embodiment shown, there are two layers, 215 and 218. The print pattern of each layer is practically the same , the layers are recorded so that each successive layer directly and totally covers the layer directly below, the formulation used to print each layer is practically the same and the amount of formulation used to print each layer is practically the same. The printing formulation for these

layers are described in Example 4.

The bands on the felt side 555 of the sheet are each printed on the base sheet as a plurality of continuous layers, and for each embodiment shown, there are two layers, 570 and 572. The print pattern of each layer is practically the same. , the layers are recorded so that each successive layer directly and totally covers the layer directly below, the formulation used to print each layer is practically the same and the amount of formulation used to print each layer is practically the same. The printing formulation for these layers is described in Example 4. The layers of the bands on each main surface of the wrapping material are recorded so that they are aligned directly to each other.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 4 mm in width and approximately 27 mm in transverse direction. The dry weight of each band on each side of the wrapping material is approximately 1 mg. The amount of dry weight provided by each layer of each band is approximately 0.5 mg.

The wrapping material shown in Fig. 21 represents a base sheet having a series of practically equally spaced multilayer bands, these bands being registered on both sides of the wrapping material. A wrapping material is also shown that has a pattern with bands registered on both main surfaces, and at least one of these bands has a multilayer structure.

Example 49

Referring to Fig. 22, a paper wrapping material 180 has a base sheet 184 that has a printed pattern in the form of a set of recurring bands that form a series of recurring bands 188,

190. Each of the bands has widths of approximately 5 mm and the distance between each band is approximately 30 mm.

The bottom layer 215 has a width of about 5 mm, and is provided using said printing formulation containing ethyl cellulose / calcium carbonate described in Example 4.

The central layer 590 is provided from two portions 600, 602 of the layer. These layer portions are in contact with each other forming a continuous layer. The printing formulation for each band portion is the same in order to provide a symmetric band. Each portion of the core layer has a width of approximately 2.5 mm, and is provided using said formulation described in Example 4.

The upper layer 605 has a width of approximately 5 mm and covers the central layer 590. This layer is provided using the printing formulation described in Example 4.

When the printed wrapping material is cut into a 27 mm wide sheet, said sheet has a plurality of spaced bands, each band having approximately 5 mm in width and approximately 27 mm in transverse direction. The dry weight of each band is approximately 2 mg.

The wrapping material shown in Fig. 22 represents a base sheet having a series of practically equally spaced multilayer bands of practically equal width and dimensions, whereby at least one of the layers includes two or more layers in mutual contact that are They combine forming a larger layer.

Example 5�

A cigarette paper wrapping material is provided that has a porosity of approximately 18 CORESTA units, and is available as Tervakoski's Tercig LK18. Said wrapping material is printed with bands 4 mm wide and 20 mm apart. The wrapping material is coated with four layers of coating formulation in the manner shown in Fig. 5.

Bottom layer 215 is provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4; and the two upper layers 218, 222 are provided using the ethylcellulose-containing printing formulation described in Example 2. The resulting formulation is applied in such a way that the wrapping material, when dried, has a coating thereon of approximately 1360.77 g / ream.

The wrapping material also includes a fourth continuous layer 230. The formulation of said layer is the ethyl cellulose-containing formulation described in Example 2; except that the optical bleach is an optional component. Said formulation is printed on the entire surface of the wrapping material. The amount of formulation employed is sufficient to provide a wrapping material with an ethyl cellulose coating of approximately 226.79 g / ream.

Example 51

A cigarette paper wrapping material is provided that has a porosity of approximately 18

CORESTA units, and is available as Tercig LK18 from Tervakoski. Said wrapping material is printed with bands 4 mm wide and 20 mm apart. The wrapping material is coated with four layers of coating formulation in the manner shown in Fig. 5.

Bottom layer 215 is provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4; and the two upper layers 218, 222 are provided using the ethylcellulose-containing printing formulation described in Example 2. The resulting formulation is applied in such a way that the wrapping material, when dried, has a coating thereon of approximately 1360.77 g / ream.

The wrapping material also includes a fourth continuous layer 230. The formulation of said layer is the formulation containing ethyl cellulose / sodium chloride described in Example 23; except that the optical bleach is an optional component. Said formulation is printed on the entire surface of the wrapping material. The amount of formulation employed is sufficient to provide a wrapping material with an ethyl cellulose coating of approximately 226.79 g / ream.

Example 52

A cigarette paper wrapping material is provided that has a porosity of approximately 53 CORESTA units and is available as Ref. No. 460 from Ecusta. The wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with three layers of coating formulation, the width of each layer being approximately 6 mm, to provide a multilayer band of the type shown in Fig. 4.

The bottom layer the top layers are each provided by a printing formulation containing ethyl cellulose available as FSBM6H70 from Color Converting Industries. The central layer is the water-based printing formulation. The printing formulation of the central layer of each web incorporates an aqueous coating that is used in liquid form, and said coating is an adhesive formulation of RJ Reynolds Tobacco Company used as an adhesive for sealing cigarettes and with the designation CS-1242 . The formulation of CS-1242 is an aqueous-based emulsion adhesive consisting of about 87 to about 88 percent ethylene-vinyl acetate copolymer emulsion marketed under the name Resyn 32-0272 by National Starch & Chemical Company, and about 12 to about 13 percent concentrated adhesive stabilizer from R. J. Reynolds Tobacco Company known as AC-9. The AC-9 concentrated adhesive stabilizer consists of approximately 92 percent by weight of water and approximately 8 percent by weight of polyvinyl alcohol resin available as Celvol 205 from Celanese Chemicals. The final printing formulation is comprised of approximately 48 parts of water-based coating, approximately 24.6 parts of iso-propyl acetate, approximately 24 parts of water, approximately 1.9 parts of propylene glycol and approximately 1.5 parts of a mixture. Said mixture is produced by the optical bleach, Uvitex OB from Ciba Specialty Chemicals, in absolute ethyl alcohol; such that the amount of optical bleach dispersed in the final printing formulation is approximately 0.02 parts.

The dry weight of the coating applied to the wrapping material is approximately 1456 g per ream. The porosity of each coated region is approximately 5.2 CORESTA units.

The wrapping material with bands can be used to make cigarettes that have a Camel Light 85 format and a configuration that meets the criteria of the cigarette extinction test.

Example 53

A cigarette paper wrapping material is provided that has a porosity of approximately 53 CORESTA units and is available as Ref. No. 460 from Ecusta. The wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with four layers of coating formulation, the width of each layer being approximately 6 mm, to provide a multilayer band of the type shown in Fig. 5.

The three bottom layers are provided by a printing formulation containing ethylene vinyl acetate copolymer that uses toluene as the solvent, said formulation being available as FSBM6H70 from Color Converting Industries. The top layer is provided by a printing formulation containing ethyl cellulose available as FSBM6H70 from Color Converting Industries. The dry weight of the coating applied to the wrapping material is approximately 1066 g per ream. The porosity of each coated region is approximately 5.4 CORESTA units.

The wrapping material with bands can be used to make cigarettes that have a Camel Light 85 format and a configuration that meets, to some extent, the criteria of the cigarette extinction test. Cigarettes that exhibit improved performance in meeting the criteria of the cigarette extinction test can be provided using a wrapping material that uses the coating composition and the exposed format, except that a lower porosity wrapping material can be used and / or a greater coating weight can be applied on the wrapping material.

Example 54

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units and is available as Ref. No. 454 from Ecusta. Said wrapping material is printed with bands 6 mm wide and 14 mm apart. The wrapping material is coated with two layers of coating formulation, the width of each layer being approximately 6 mm.

The bottom layer and top layers are each provided by a printing formulation containing ethylene-vinyl acetate / calcium carbonate having toluene as solvent and is available as FSBM4H57 from Color Converting Industries. The printing formulation incorporates approximately 9 percent of calcium carbonate particles. The dry weight of the coating applied to the wrapping material is approximately 1397 g per ream. The porosity of each coated region is approximately 5 CORESTA units.

The wrapping material with bands can be used to make cigarettes that have a Camel Light 85 format and a configuration that meets the criteria of the cigarette extinction test.

Example 55

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units and is available as Ref. No. 454 from Ecusta. Said wrapping material is printed with bands 6 mm wide and 14 mm apart. The wrapping material is coated with three layers of coating formulation, the width of each layer being approximately 6 mm.

Each of the layers is provided by a printing formulation containing ethylene-vinyl acetate / calcium carbonate having toluene as the solvent available as FSBM4H57 from Color Converting Industries. The dry weight of the coating applied to the wrapping material is approximately 1623 g per ream. The porosity of each coated region is approximately 3.5 CORESTA units.

The wrapping material with bands can be used to make cigarettes that have a Camel Light 85 format and a configuration that meets the criteria of the cigarette extinction test. Printed wrapping material with a printing formulation incorporating calcium carbonate as filler material is more effective in meeting the criteria of the cigarette extinction test than a comparative wrapping material printed with a comparable formulation that does not incorporate filler material.

Example 56

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units and is available as Ref. No. 454 from Ecusta. Said wrapping material is printed with bands 6 mm wide and 14 mm apart. The wrapping material is coated with three layers of coating formulation, the width of each layer being approximately 6 mm.

Each of the layers is provided by a printing formulation containing ethyl cellulose / calcium carbonate having iso-propyl acetate as solvent and available as FSBM0H62 from Color Converting Industries. The printing formulation incorporates approximately 16 percent of calcium carbonate particles. The dry weight of the coating applied to the wrapping material is approximately 2463 g per ream. The porosity of each coated region is approximately 2.7 CORESTA units.

The wrapping material with bands can be used to make cigarettes that have a Camel Light 85 format and a configuration that meets the criteria of the cigarette extinction test. Printed wrapping material with a printing formulation incorporating calcium carbonate as filler material is more effective in meeting the criteria of the cigarette extinction test than a comparative wrapping material printed with a comparable formulation that does not incorporate filler material.

Example 57

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units and is available as Ref. No. 454 from Ecusta. Said wrapping material is printed with bands 6 mm wide and 14 mm apart. The wrapping material is coated with three layers of coating formulation, the width of each layer being approximately 6 mm.

The bottom layer is provided by a printing formulation containing ethyl cellulose / calcium carbonate having iso-propyl acetate as solvent and available as FSBM0H62 from Color Converting Industries. The middle and top layers are provided by a printing formulation containing polyvinyl acetate available as FSBM0H64 from Color Converting Industries. The dry weight of the coating applied to the wrapping material is approximately 2277 g per ream. The porosity of each coated region is approximately 3.9 CORESTA units.

The wrapping material with bands can be used to make cigarettes that have a Camel Light 85 format and a configuration that meets the criteria of the cigarette extinction test. Printed wrapping material

With a printing formulation that incorporates calcium carbonate as a filler material it is more effective to meet the criteria of the cigarette extinction test than a comparative wrapping material printed with a comparable formulation that does not incorporate filler material. The wrapping material printed with the strip with a drawing is more effective in meeting the criteria of the cigarette extinction test than a comparable formulation printed with bands with a drawing having only layers of printing formulation that include polyvinyl acetate and calcium carbonate as filler.

The wrapping material thus provided is representative of a wrapping material printed with a layer incorporating ethylcellulose, and the ethylcellulose layer is covered with a layer of polyvinyl acetate.

Example 58

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units and is available as Ref. No. 454 from Ecusta. Said wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with two layers of coating formulation, the width of each layer being approximately 6 mm.

Each of the layers is provided by a printing formulation containing ethyl cellulose / calcium carbonate having iso-propyl acetate as solvent and available as FSBM0H62 from Color Converting Industries. The printing formulation incorporates approximately 16 percent of calcium carbonate particles. The dry weight of the coating applied to the wrapping material is approximately 1578 g per ream. The porosity of each coated region is approximately 6.3 CORESTA units.

The strip wrapping material can be used to make cigarettes that have a Camel Light 85 format and a configuration that effectively meets the criteria of the cigarette extinction test. Printed wrapping material with a printing formulation incorporating calcium carbonate as filler material is more effective in meeting the criteria of the cigarette extinction test than a comparative wrapping material printed with a comparable formulation that does not incorporate filler material.

Example 59

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units and is available as Ref. No. 454 from Ecusta. Said wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with three layers of coating formulation, the width of each layer being approximately 6 mm.

Each of the layers is provided by a printing formulation containing ethyl cellulose / calcium carbonate having iso-propyl acetate as solvent and available as FSBM0H62 from Color Converting Industries. The printing formulation incorporates approximately 16 percent of calcium carbonate particles. The dry weight of the coating applied to the wrapping material is approximately 2222 g per ream. The porosity of each coated region is approximately 3.5 CORESTA units.

The wrapping material with bands can be used to make cigarettes that have a Camel Light 85 format and a configuration that meets the criteria of the cigarette extinction test. Printed wrapping material with a printing formulation incorporating calcium carbonate as filler material is more effective in meeting the criteria of the cigarette extinction test than a comparative wrapping material printed with a comparable formulation that does not incorporate filler material.

Example 6�

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units and is available as Ref. No. 454 from Ecusta. Said wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with four layers of coating formulation, the width of each layer being approximately 6 mm.

Each of the layers is provided by a printing formulation containing ethyl cellulose / calcium carbonate having iso-propyl acetate as solvent and available as FSBM0H62 from Color Converting Industries. The printing formulation incorporates approximately 16 percent of calcium carbonate particles. The dry weight of the coating applied to the wrapping material is approximately 3320 g per ream. The porosity of each coated region is approximately 2.6 CORESTA units.

The wrapping material with bands can be used to make cigarettes that have a Camel Light 85 format and a configuration that meets the criteria of the cigarette extinction test.

The wrapping material thus provided is representative of said material having a series of multilayer bands, in which each layer incorporates ethyl cellulose, and at least one of these layers is provided from a mixture of ethyl cellulose and filler material (for example , calcium carbonate).

Example 61

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units and is available as Ref. No. 454 from Ecusta. Said wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with two layers of coating formulation, the width of each layer being approximately 6 mm.

Each of the layers is provided by a printing formulation containing nitrocellulose / calcium carbonate having iso-propyl acetate as solvent and available as FSBM5H98 from Color Converting Industries. The printing formulation incorporates approximately 16 percent of calcium carbonate particles. The dry weight of the coating applied to the wrapping material is approximately 2558 g per ream. The porosity of each coated region is approximately 5 CORESTA units.

The wrapping material with bands can be used to make cigarettes that have a Camel Light 85 format and a configuration that meets the criteria of the cigarette extinction test.

Example 62

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units and is available as Ref. No. 454 from Ecusta. Said wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with three layers of coating formulation, the width of each layer being approximately 6 mm.

Each of the layers is provided by a printing formulation containing nitrocellulose / calcium carbonate having iso-propyl acetate as solvent and available as FSBM5H98 from Color Converting Industries. The printing formulation incorporates approximately 16 percent of calcium carbonate particles. The dry weight of the coating applied to the wrapping material is approximately 3778 g per ream. The porosity of each coated region is approximately 2.8 CORESTA units.

The wrapping material with bands can be used to make cigarettes that have a Camel Light 85 format and a configuration that meets the criteria of the cigarette extinction test.

Example 63

A cigarette paper wrapping material is provided that has a porosity of approximately 53 CORESTA units and is available as Ref. No. 460 from Ecusta. Said wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with four layers of coating formulation, the width of each layer being approximately 6 mm.

Each of the layers is provided by a printing formulation containing ethylene-vinyl acetate / calcium carbonate having toluene as a solvent available as FSBM5H99 from Color Converting Industries. The printing formulation incorporates approximately 9 percent of calcium carbonate particles. The dry weight of the coating applied to the wrapping material is approximately 2258 g per ream. The porosity of each coated region is approximately 3.9 CORESTA units.

The wrapping material with bands can be used to make cigarettes that have a Camel Light 85 format and a configuration that meets the criteria of the cigarette extinction test.

Example 64

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units and is available as Ref. No. 454 from Ecusta. Said wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with four layers of coating formulation in the manner shown in Fig. 5. The bottom and top layers are each provided from an ethylcellulose-containing printing formulation having toluene as solvent and said formulation is available as FSBM6H96 from Color Converting Industries. Each of the two core layers is provided from an ethylene-vinyl acetate copolymer formulation and said formulation is FSBM6H69 from Color Converting Industries. Each band is printed in the amount of approximately 1601 g per ream of wrapping material. The porosity of the wrapping material in each region with bands is approximately 3 CORESTA units. Said printed wrapping material is an example of a strip configuration incorporating a layer incorporating ethyl cellulose applied on two layers incorporating polyvinyl acetate, which are applied on a layer incorporating ethyl cellulose.

The wrapping material with bands can be used to make cigarettes that have a Camel Light 85 format and a configuration that meets the criteria of the cigarette extinction test.

Example 65

Cigarette paper wrapping materials are provided as set forth in Example 64, except that the base sheet is available as Ref. No. 456 from Ecusta, which has a porosity of 24 CORESTA units. The coating is applied at 1392 g per ream. The porosity of the wrapping material in each region with bands is

approximately 2.6 units CORESTA. The wrapping material with bands can be used to make cigarettes that have a Camel Light 85 format and a configuration that meets the criteria of the cigarette extinction test.

Coated cigarette paper wrapping materials are also provided from available papers such as Ref. Nos. 460 and 473 of Ecusta; and these wrapping materials have porosities of 53 CORESTA units and 60 CORESTA units, respectively. Similar coatings are applied to each paper in a similar manner, with approximately 1565 and 1470 g per ream of coating applied to each, respectively; such that the porosity of the regions with bands is 3.5 and 9.4 CORESTA units, respectively. These printed papers, when used to make cigarettes that have Camel Light 85 formats and configurations, are not effective in meeting the criteria of the cigarette extinction test.

Example 66

A cigarette paper wrapping material is provided that has a porosity of approximately 53 CORESTA units and is available as Ref. No. 460 from Ecusta. This wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with four layers of coating formulation as shown in Fig. 5. The first three layers are provided from a print formulation containing ethylene-vinyl acetate available as FSMB6H69 from Color Converting Industries . The top layer is a print formulation containing ethyl cellulose available as FSBM6H96 from Color Converting Industries. Each band is printed in the amount of approximately 2250 g per ream of wrapping material. The porosity of the wrapping material in each region with bands is approximately 3.3 CORESTA units.

The wrapping material with bands can be used to make cigarettes that have a Camel Light 85 format and a configuration that meets the criteria of the cigarette extinction test.

Example 67

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units, and is available as Tervakoski's Tercig LK38. Said wrapping material is printed with bands 4 mm wide and 20 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. 4.

The bottom layer 215 and the top layer 222 are provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4.

The central layer 218 is provided using printing formulation containing xanthan gum. Said formulation is provided by mixing about 2 parts of xanthan gum, about 5 parts of rhamnose, about 90 parts of water and about 5 parts of a mixture. Said mixture is produced by mixing the optical bleach, Uvitex OB from Ciba Specialty Chemicals, in absolute ethyl alcohol; such that the amount of optical bleach dispersed in the final printing formulation is approximately 0.02 parts.

Example 68

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units, and is available as Tervakoski's Tercig LK38. Said wrapping material is printed with bands 4 mm wide and 20 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. 4.

The bottom layer 215 and the top layer 222 are provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4.

The central layer 218 is provided using printing formulation containing xanthan gum. Said formulation is produced by mixing about 2 parts of xanthan gum, about 5 parts of rhamnose, about 10 parts of calcium carbonate, about 80 parts of water and about 5 parts of a mixture. Said mixture is produced by mixing the optical bleach, Uvitex OB from Ciba Specialty Chemicals, in absolute ethyl alcohol; such that the amount of optical bleach dispersed in the final printing formulation is approximately 0.02 parts.

The wrapping material thus provided is representative of a wrapping material having multilayer bands applied thereto (for example, bands include two, three or four layers), incorporating at least one of these xanthan gum layers.

Example 69

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units, and is available as Tervakoski's Tercig LK38. Said wrapping material is printed with bands 4 mm wide and 20 mm apart. The wrapping material is coated with three layers of

Coating formulation as shown in Fig. 4.

The bottom layer 215 and the middle layer 218 are provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4.

The top layer 222 is provided using the printing formulation containing xanthan gum described in Example 68.

Example 7�

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units, and is available as Tervakoski's Tercig LK38. Said wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. 4.

The bottom layer 215 is provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4.

The core layer 218 is provided using the ethylcellulose-containing printing formulation described in Example 2.

The top layer 222 is provided using the printing formulation containing xanthan gum described in Example 68. A top layer containing xanthan gum is desirable because the xanthan gum is flexible and malleable and tends not to be brittle.

Example 71

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units, and is available as Tervakoski's Tercig LK38. Said wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. 4.

The bottom layer 215 is provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4.

The core layer 218 is provided using the printing formulation containing xanthan gum described in Example 67.

The top layer 222 is provided using the printing formulation containing xanthan gum described in Example 68.

Example 72

A cigarette paper wrapping material is provided that has a porosity of approximately 24 CORESTA units, and is available as Tervakoski's Tercig LK24. Said wrapping material is printed with bands 4 mm wide and 20 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. 4.

The bottom layer 215 is provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4.

The central layer 218 and the upper layer 222 of each band include about 8 parts of calcium carbonate particles, about 8 parts of finely divided magnesium sulfate, about 8 parts of ethyl cellulose, about 2 parts of triacetin, about 0.5 parts of a lecithin wetting agent, and about 0.02 parts of an optical bleach available as Uvitex OB from Ciba Specialty Chemicals, and at least about 74 parts of iso-propyl acetate as solvent (which is sufficient to total the number of parts of the formulation up to 100). Calcium carbonate is available as Albaglos PCC from Specialty Minerals, Inc. Ethylcellulose is available as Aqualon N-7 from Hercules Incorporated.

This example is representative of a wrapping material that has hydrated salts that have a tendency to lose water when approaching the fire cone of a lit cigarette. It is believed that the resulting loss of water or the latent heat of cooling released by the breakdown of the hydrate may result in the cooling of said wrapping material and the extinction of the fire cone.

Example 73

A cigarette paper wrapping material is provided that has a porosity of approximately 24 CORESTA units, and is available as Tervakoski's Tercig LK24. Said wrapping material is printed with

bands 4 mm wide and 20 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. 4.

The bottom layer 215 and the top layer 222 are each provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4.

The core layer 218 of each band each includes approximately 16 parts of finely divided magnesium decahydrate, about 8 parts of ethyl cellulose, about 2 parts of triacetin, about 0.5 parts of a lecithin wetting agent, and about 0.02 parts of an optical bleach available as Uvitex OB from Ciba Specialty Chemicals, and at least about 74 parts of iso-propyl acetate as solvent (which is sufficient to total the number of parts of the formulation to 100). Ethylcellulose is available as Aqualon N-7 from Hercules Incorporated.

Example 74

A cigarette paper wrapping material is provided that has a porosity of approximately 24 CORESTA units, and is available as Tervakoski's Tercig LK24. Said wrapping material is printed with bands 4 mm wide and 20 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. 4.

Each of the layers is provided by a printing formulation containing ethyl cellulose / calcium carbonate having iso-propyl acetate as solvent and available as FSBM0H62 from Color Converting Industries to which approximately 0.46 percent of oxide has been added Caryophylene, about 0.004 percent ethyl vanillin and about 0.004 percent gamma-dodecalactone, based on the printing formulation. The dry weight of each band is approximately 1.5 milligrams, of which approximately 6.9 micrograms are attributed to the addition of caryophylene oxide and approximately 0.06 micrograms to each of ethyl vanillin and gamma-dodecalactone.

Example 75

A cigarette paper wrapping material is provided that has a porosity of approximately 24 CORESTA units, and is available as Tervakoski's Tercig LK24. Said wrapping material is printed with bands 4 mm wide and 20 mm apart. The wrapping material is coated with three layers of coating formulation in the manner generally shown in Fig. 11.

The wrapping material is first printed with a solution containing approximately 0.23 percent of caryophylene oxide, about 0.002 percent of ethyl vanillin and about 0.002 percent of gamma-dodecalactone in iso-propyl acetate. Said layer is dried and as such, a desired amount of flavoring agent is applied on the total surface of the wrapping material.

Each of the layers is provided by a printing formulation containing ethyl cellulose / calcium carbonate having iso-propyl acetate as solvent and available as FSBM0H62 from Color Converting Industries. Both bottom layers have widths of approximately 4 mm, and the top layer has a width of approximately 3 mm.

Example 76

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units, and is available as Tervakoski's Tercig LK38. Said wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. 4.

The bottom layer 215 and the middle layer 218 are both provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4.

The top layer 222 is provided using the printing formulation containing ethyl cellulose-magnesium hydroxide described in Example 18.

As such, a wrapping material is provided having bands having layers of ethyl cellulose / calcium carbonate and ethyl cellulose / magnesium hydroxide.

Example 77

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units, and is available as Tervakoski's Tercig LK38. Said wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. 4.

The bottom layer 215, center layer 218 and top layer 222 are all provided using the formulation of

impression containing ethyl cellulose / magnesium hydroxide described in Example 18.

Example 78

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units, and is available as Tervakoski's Tercig LK38. Said wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. 4.

The bottom layer 215 and the core layer 218 are both provided using the printing formulation containing ethyl cellulose / magnesium hydroxide described in Example 18.

The top layer 222 is provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4.

Example 79

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units, and is available as Tervakoski's Tercig LK38. Said wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. 4.

The bottom layer 215 is provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4.

The central layer 218 and the upper layer 222 are both provided using the starch-based printing formulation described in Example 26.

Example 8�

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units, and is available as Tervakoski's Tercig LK38. Said wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. 4.

Bottom layer 215 is provided using the ethylcellulose-containing printing formulation described in Example 2.

The core layer 218 is provided using the starch-based printing formulation described in the Example.

26.

The top layer 222 is provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4.

Example 81

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units, and is available as Tervakoski's Tercig LK38. Said wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. 10.

The bottom layer 215 is provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4.

The two core layers 218, 222 are provided using the starch-based formulation described in Example 26.

The top layer 226 is provided using the ethylcellulose-containing printing formulation described in Example 2.

Example 82

A cigarette paper wrapping material is provided that has a porosity of approximately 24 CORESTA units and is available as Ref. No. 456 from Ecusta. This wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with four layers of coating formulation as shown in Fig. 5. The first three layers are provided from a print formulation containing ethylene-vinyl acetate available as FSMB6H69 from Color Converting Industries . The top layer is a print formulation containing ethyl cellulose available as FSBM6H96 from Color Converting Industries. Each band is printed in the amount of approximately 1488 g per ream of wrapping material. The porosity of the wrapping material in each region with bands is

approximately 2 units CORESTA.

The wrapping material with bands can be used to make cigarettes that have a Camel Light 85 format and a configuration that meets the criteria of the cigarette extinction test.

Example 83

A cigarette paper wrapping material is provided that has a porosity of approximately 60 CORESTA units and is available as Ref. No. 473 from Ecusta. This wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. 4. The first two layers are provided from a printing formulation containing ethylene-vinyl acetate available as FSMB5H99 from Color Converting Industries . The top layer is a print formulation containing ethyl cellulose available as FSBM0J13 from Color Converting Industries. Each band is printed in the amount of approximately 2250 g per ream of wrapping material. The porosity of the wrapping material in each region with bands is approximately 8.2 CORESTA units.

The wrapping material with bands can be used to make cigarettes that have a Camel Light 85 format and a configuration that meets the criteria of the cigarette extinction test.

Example 84

A cigarette paper wrapping material is provided that has a porosity of approximately 53 CORESTA units and is available as Ref. No. 460 from Ecusta. This wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with four layers of coating formulation as shown in Fig. 5. The first two layers are provided from a continuous coating of print formulation containing ethylene-vinyl acetate available as FSMB6H69 of Color Converting Industries. The third layer is provided from a discontinuous coating of said formulation containing ethylene vinyl acetate. The top layer is a print formulation containing ethyl cellulose available as FSBM6H96 from Color Converting Industries. Each band is printed in the amount of approximately 2250 g per ream of wrapping material. The porosity of the wrapping material in each region with bands is approximately 3.3 CORESTA units.

The wrapping material with bands can be used to make cigarettes that have a Camel Light 85 format and a configuration that meets the criteria of the cigarette extinction test.

The wrapping material thus provided is representative of a printed wrapping material with two continuous bottom layers with a drawing of a coating incorporating ethylene vinyl acetate, a top central layer printed with a discontinuous drawing coating incorporating ethylene acetate of vinyl, and a continuous top layer of a coating that incorporates ethyl cellulose.

Example 85

A cigarette paper wrapping material is provided that has a porosity of approximately 60 CORESTA units, and is available as Tervakoski's Tercig LK60. Said wrapping material is printed with bands 6 mm wide and 33 mm apart. The wrapping material is coated with four layers of coating formulation in the manner shown in Fig. 5.

The four layers are provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4. The resulting formulation is applied in such a way that the wrapping material, when dried, has a coating thereon of approximately 5 to about 3175 g / ream.

Example 86

A cigarette paper wrapping material is provided that has a porosity of approximately 60 CORESTA units, and is available as Tervakoski's Tercig LK60. Said wrapping material is printed with bands 6 mm wide and 28 mm apart. The wrapping material is coated with four layers of coating formulation in the manner shown in Fig. 5.

The four layers are provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4. The resulting formulation is applied in such a way that the wrapping material, when dried, has a coating thereon of approximately 5 to about 3175 g / ream.

Example 87

A cigarette paper wrapping material is provided that has a porosity of approximately 60 CORESTA units, and is available as Tervakoski's Tercig LK60. Said wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with four layers of coating formulation in the manner shown in Fig. 5.

The four layers are provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4. The resulting formulation is applied in such a way that the wrapping material, when dried, has a coating thereon of approximately 5 to about 3175 g / ream.

Example 88

A cigarette paper wrapping material is provided that has a porosity of approximately 24 CORESTA units, and is available as Tervakoski's Tercig LK24. Said wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. 4.

The three layers are provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4. The resulting formulation is applied in such a way that the wrapping material, when dried, has a coating thereon of approximately 5 to about 3175 g / ream.

Example 89

A cigarette paper wrapping material is provided that has a porosity of approximately 24 CORESTA units, and is available as Tervakoski's Tercig LK24. Said wrapping material is printed with bands 6 mm wide and 28 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. 4.

The three layers are provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4. The resulting formulation is applied in such a way that the wrapping material, when dried, has a coating thereon of approximately 5 to about 3175 g / ream.

Example 9�

A cigarette paper wrapping material is provided that has a porosity of approximately 24 CORESTA units, and is available as Tervakoski's Tercig LK24. Said wrapping material is printed with bands 6 mm wide and 33 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. 4.

The three layers are provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4. The resulting formulation is applied in such a way that the wrapping material, when dried, has a coating thereon of approximately 5 to about 3175 g / ream.

Example 91

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units, and is available as Tervakoski's Tercig LK38. Said wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. 4.

The three layers are provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4. The resulting formulation is applied in such a way that the wrapping material, when dried, has a coating thereon of approximately 5 to about 3175 g / ream.

Example 92

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units, and is available as Tervakoski's Tercig LK38. Said wrapping material is printed with bands 6 mm wide and 28 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. 4.

The three layers are provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4. The resulting formulation is applied in such a way that the wrapping material, when dried, has a coating thereon of approximately 5 to about 3175 g / ream.

Example 93

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units, and is available as Tervakoski's Tercig LK38. Said wrapping material is printed with bands 6 mm wide and 33 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. Four.

The three layers are provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4. The resulting formulation is applied in such a way that the wrapping material, when dried, has a coating thereon of approximately 5 to about 3175 g / ream.

Example 94

A cigarette paper wrapping material is provided that has a porosity of approximately 46 CORESTA units, and is available as Tervakoski's Tercig LK24. Said wrapping material is printed with bands 6 mm wide and 20 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. 4.

The three layers are provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4. The resulting formulation is applied in such a way that the wrapping material, when dried, has a coating thereon of approximately 5 to about 3175 g / ream.

Example 95

A cigarette paper wrapping material is provided that has a porosity of approximately 46 CORESTA units, and is available as Tervakoski's Tercig LK24. Said wrapping material is printed with bands 6 mm wide and 28 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. 4.

The three layers are provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4. The resulting formulation is applied in such a way that the wrapping material, when dried, has a coating thereon of approximately 5 to about 3175 g / ream.

Example 96

A cigarette paper wrapping material is provided that has a porosity of approximately 46 CORESTA units, and is available as Tervakoski's Tercig LK24. Said wrapping material is printed with bands 6 mm wide and 33 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. 4.

The three layers are provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4. The resulting formulation is applied in such a way that the wrapping material, when dried, has a coating thereon of approximately 5 to about 3175 g / ream.

Example 97

A cigarette paper wrapping material is provided that has a porosity of approximately 24 CORESTA units, and is available as Tervakoski's Tercig LK24. Said wrapping material is printed with bands 6 mm wide and 18 mm apart. The wrapping material is coated with three layers of coating formulation as shown in Fig. 4.

The three layers are provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4. The resulting formulation is applied in such a way that the wrapping material, when dried, has a coating thereon of approximately 5 to about 3175 g / ream.

Example 98

A cigarette paper wrapping material is provided that has a porosity of approximately 38 CORESTA units, and is available as Tervakoski's Tercig LK38. Said wrapping material is printed with bands 6 mm wide and separated 24 mm. The wrapping material is coated with three layers of coating formulation as shown in Fig. 4.

The three layers are provided using the printing formulation containing ethyl cellulose / calcium carbonate described in Example 4. The resulting formulation is applied in such a way that the wrapping material, when dried, has a coating thereon of approximately 5 to about 3175 g / ream.

Claims (1)

1� A wrapping material (180) for a smoking article, comprising the wrapping material (180): a base sheet (184) having a main surface; Y a plurality of bands (188, 190) applied to the main surface in the form of a drawing; each band comprising a plurality of layers (215, 218, 222, 226) applied one upon the other; wherein at least one of the plurality of layers (215, 218, 222, 226) incorporates at least one flavoring agent as an additive; and at least one of the plurality of layers incorporates a hydrate material as an additive, characterized in that the additive includes a hydrate material and is selected from the group consisting of metal hydrate, b6rax, magnesium sulfate decahydrate, magnesium sulfate heptahydrate, sodium silicate 10 pentahydrate, sodium sulfate decahydrate and combinations thereof. 2� The wrapping material of claim 1, wherein the base sheet incorporates additive. 3� The wrapping material of one of claim 1 6 2, wherein the additive includes a flavoring agent and is selected from the group consisting of methyl cyclopentenolone, vanillin, ethyl vanillin, heliotropin, cariophilic oxide, inulin, 4- hydroxyphenyl-2-butanone, gamma-undecalactone, 2-methoxy-4-vinylphenol, 2-methoxy-4-methylphenol, 5 Ethyl-3-hydroxy-4-methyl-2 (5H) -furanone, methyl salicylate, amaro essence, sandalwood essence and combinations thereof. 4� The wrapping material of claim 3, wherein the flavoring agent is selected from the group consisting of methyl cyclopentenolone, vanillin, ethyl vanillin, heliotropin, inulin, and combinations thereof. 5� The wrapping material of any one of claims 1 to 4, wherein the plurality of the layers 20 comprise two layers, three layers or four layers. 6� The wrapping material of any one of claims 1 to 5, wherein at least one of the plurality of layers incorporates ethyl cellulose. 7� The wrapping material of any one of claims 1 to 6, wherein at least one of the plurality of layers incorporates calcium carbonate. The wrapping material of any one of claims 1 to 7, wherein each layer of the plurality of layers incorporates a film-forming material. 9�. A smoking article comprising a smokable material contained in the wrapping material of any one of claims 1 to 8. 1�� The smoking article of claim 9, further comprising: A sealing adhesive applied to the wrapping material on a sealing line thereof, and the sealing adhesive includes a flavoring agent. 11� The smoking article of any one of claims 9 6 10, wherein the smoking article is a cigarette and the drawing is a series of spaced longitudinal bands circumscribed around the smoking article.