EP2134201A2 - Mehrkomponentenfilter für mehrfache geschmacksintensivierung - Google Patents

Mehrkomponentenfilter für mehrfache geschmacksintensivierung

Info

Publication number
EP2134201A2
EP2134201A2 EP08762968A EP08762968A EP2134201A2 EP 2134201 A2 EP2134201 A2 EP 2134201A2 EP 08762968 A EP08762968 A EP 08762968A EP 08762968 A EP08762968 A EP 08762968A EP 2134201 A2 EP2134201 A2 EP 2134201A2
Authority
EP
European Patent Office
Prior art keywords
flavour
releasing segment
segment
filter
component filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08762968A
Other languages
English (en)
French (fr)
Other versions
EP2134201B1 (de
Inventor
Clément BESSO
Yves Jordil
Charles Kuersteiner
Anne Wyss-Peters
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philip Morris Products SA
Original Assignee
Philip Morris Products SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philip Morris Products SA filed Critical Philip Morris Products SA
Priority to EP08762968A priority Critical patent/EP2134201B1/de
Priority to SI200830162T priority patent/SI2134201T1/sl
Priority to PL08762968T priority patent/PL2134201T3/pl
Publication of EP2134201A2 publication Critical patent/EP2134201A2/de
Application granted granted Critical
Publication of EP2134201B1 publication Critical patent/EP2134201B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A24D3/048—Tobacco smoke filters characterised by their shape or structure containing additives
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/061—Use of materials for tobacco smoke filters containing additives entrapped within capsules, sponge-like material or the like, for further release upon smoking
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/002—Cigars; Cigarettes with additives, e.g. for flavouring
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives

Definitions

  • the present invention relates to a multi-component filter for a smoking article and to a smoking article comprising such a multi-component filter.
  • Filter cigarettes typically comprise a rod of tobacco cut filler surrounded by a paper wrapper and a cylindrical filter aligned in an end-to-end relationship with the wrapped tobacco rod and attached thereto by tipping paper.
  • the filter In conventional filter cigarettes, the filter usually consists of a plug of cellulose acetate tow wrapped in porous plug wrap.
  • filter cigarettes with multi-component filters that comprise two or more segments of filtration material for the removal of particulate and gaseous components of the mainstream smoke are also known.
  • filters that include flavourants To enhance the flavour of the mainstream smoke produced during combustion of the wrapped tobacco rod, it is also known to provide filter cigarettes with filters that include flavourants.
  • WO-A-03/059096 discloses a cigarette with a multi-component filter comprising a bed of flavoured spherical beaded activated carbon and a flavor-releasing segment including a yarn with flavorant thereon downstream from the flavored spherical beaded activated carbon.
  • beaded activated carbon is an adsorbent, flavor is not released from the flavored beaded activated carbon into mainstream smoke drawn through the multi-component filter even when saturated.
  • a multi-component filter for a smoking article such as a cigarette that provides improved flavour enhancement to mainstream smoke as it is drawn from a rod of smokable material through the filter.
  • a multi-component filter for a smoking article comprising: a first flavour-releasing segment proximate a mouth end of the filter; and a second flavour-releasing segment located immediately upstream of the first flavour- releasing segment, wherein the first flavour-releasing segment comprises at least one flavour- bearing thread and the second flavour-releasing segment comprises flavour-bearing cellulosic particles.
  • a smoking article comprising: a rod of smokable material; and a multi-component filter, the multi-component filter comprising: a first flavour-releasing segment proximate a mouth end of the filter; and a second flavour- releasing segment located immediately upstream of the first flavour-releasing segment, wherein the first flavour-releasing segment comprises at least one flavour-bearing thread and the second flavour-releasing segment comprises flavour-bearing cellulosic particles.
  • the second flavour-releasing segment comprises flavour-bearing particles made from tobacco plant material.
  • upstream and downstream are used to describe the relative positions of segments of the multi-component filter of the invention in relation to the direction of mainstream smoke drawn from a rod of smokable material through the multi- component filter during use.
  • flavour is released into the mainstream smoke from the flavour-bearing cellulosic particles as the smoke passes through the second flavour-releasing segment. Thereafter, additional flavour is released into the mainstream smoke from the one or more flavour-bearing threads as the smoke passes through the first flavour-releasing segment.
  • the two adjacent flavour-releasing segments of multi-component filters according to the invention thereby advantageously maximise flavour release into the mouth of a consumer.
  • the cellulosic particles of the second flavour-releasing segment of the multi-component filter of the present invention act as flavour containers, not as adsorbents.
  • mainstream smoke drawn through the multi-component filter contacts the surface of the cellulosic particles, the flavour contained therein is released into the mainstream smoke.
  • flavour carrier in the form of one or more flavour-bearing threads, for example one to five flavour-bearing threads, along the centre of the filter or distributed around the centre of the filter, flavour release into the mainstream smoke is advantageously increased.
  • the one or more flavour-bearing threads of the first flavour-releasing segment act as a first flavour reservoir, while the cellulosic particles of the second flavour-releasing segment act as a second flavour reservoir.
  • Multi-component filters according to the present invention thereby advantageously provide dual flavour enhancement to mainstream smoke drawn there through.
  • the amount of flavourant in the first flavour-releasing segment exceeds the amount of flavourant in the second flavour-releasing segment.
  • Multi-component filters according to the present invention may be particularly advantageously employed as filters for low tar and ultra low tar filter cigarettes.
  • low tar is used to describe cigarettes having a total nicotine free dry particulate matter or “tar” delivery of between about 4 mg and about 6 mg and “ultra low tar” is used to describe cigarettes having a total tar delivery of about 3 mg or less.
  • multi-component filters according to the invention may also be used as filters for filter cigarettes and other smoking articles having a higher total tar delivery, for example a total tar delivery of about 6 mg or higher.
  • the first flavour-releasing segment and the second flavour-releasing segment of multi- component filters according to the invention may include any volatile flavourant capable of releasing flavour into mainstream smoke drawn through the multi-component filter.
  • the first flavour-releasing segment and the second flavour-releasing segment may comprise one or more natural flavourants, one or more synthetic flavourants or a combination of one or more natural flavourants and one or more synthetic flavourants.
  • first flavour-releasing segment and the second flavour-releasing segment may comprise one or more essential oils, oleoresins, absolutes, fruit concentrates, fruit extracts and distillates or combinations thereof.
  • the first flavour-releasing and the second flavour-releasing segment of multi-component filters according to the present invention may comprise flavourants including one or more flavour ingredients to create a certain flavour type.
  • Flavourants and flavour types that may be included in the first flavour-releasing segment and the second flavour-releasing segment of multi-component filters according to the invention include, but are not limited to, coffee, tea, spices (such as cinnamon, clove and ginger), cocoa, vanilla, spearmint, peppermint, fruit flavourants (such as blueberry, cranberry, orange, peach, and strawberry), chocolate, menthol, eucalyptus, geranium extract, linalool and citrus.
  • the first flavour-releasing segment and the second flavour-releasing segment of multi- component filters according to the invention may be constructed and arranged to release the same or different flavours into mainstream smoke drawn from a rod of smokable material through the multi-component filter.
  • the first flavour- releasing segment and the second flavour-releasing segment are constructed and arranged to release the same flavour into mainstream smoke drawn from a rod of smokable material through the multi-component filter.
  • the first flavour-releasing segment and the second flavour-releasing segment are constructed and arranged to release menthol into mainstream smoke drawn from a rod of smokable material through the multi- component filter.
  • the first flavour-releasing segment comprises a cylindrical plug of filtration material having one or more flavour-bearing threads extending substantially axially there through. More preferably, the first flavour-releasing segment comprises a cylindrical plug of cellulose acetate tow having one or more flavour-bearing threads, for example between one and five flavour-bearing threads, extending substantially axially there through. Most preferably, the first flavour-releasing segment comprises a cylindrical plug of cellulose acetate tow having a single, substantially central, flavour-bearing thread extending substantially axially there through. - A -
  • the first flavour-releasing segment comprises one or more flavour-bearing threads loaded with menthol.
  • the one or more threads may be formed from any suitable materials capable of bearing a flavourant including, but not limited to, cotton, cellulose acetate, rayon, or other hydrophilic textile or non-textile materials or combinations thereof.
  • a flavourant including, but not limited to, cotton, cellulose acetate, rayon, or other hydrophilic textile or non-textile materials or combinations thereof.
  • the one or more threads are formed of cotton yarn or cellulose acetate yarn.
  • each of the one or more threads has a diameter of between about 0.6 mm and about 2.0 mm, more preferably of about 0.8 mm.
  • Filter plugs comprising flavour-bearing threads suitable for use in multi-component filters according to the present invention, and methods and apparatus for forming such plugs, are described in US-A-4,281 ,671 and US-A-7,074,170 and are available from the American Filtrona Company, Richmond, Virginia, USA.
  • the first flavour-releasing segment comprises a plug of filtration material including a single flavour-bearing thread.
  • the first flavour-releasing segment may, however, comprise a plug of filtration material including more than one flavour-bearing thread, for example up to five flavour-bearing threads. Each thread may be loaded with more than one flavourant.
  • the threads may be loaded with the same or different flavourants.
  • the first flavour-releasing segment comprises a plug of cellulose acetate tow including a single, substantially central, substantially axial flavour- bearing thread loaded with menthol.
  • the first flavour-releasing segment comprises one or more coloured flavour- bearing threads.
  • the colour of the one or more flavour-bearing threads may be advantageously used to indicate to a consumer the flavour released by the first-flavour releasing segment into mainstream smoke drawn through the multi-component filter during use.
  • the flavour bearing threads are preferably green.
  • the first flavour-releasing segment is located at the mouth end of the multi-component filter.
  • multi-component filters according to the invention may, however, further comprise a mouth end segment comprising a plug of filtration material or a recess downstream of the first flavour-releasing segment.
  • the second flavour-releasing segment may comprise a plug of filtration material loaded with flavour-bearing cellulosic particles.
  • the second flavour-releasing segment may comprise a cylindrical plug of cellulose acetate tow loaded with flavour-bearing cellulosic particles.
  • the second flavour-releasing segment may comprise a bed of flavour- bearing cellulosic particles disposed in a cavity in the multi-component filter.
  • Multi-component filters according to the invention may comprise second flavour-releasing segments including flavour-bearing cellulosic particles having, for example, different diameters or different colours.
  • the second flavour-releasing segment comprises flavour-bearing cellulosic beads, more preferably flavour-bearing porous cellulosic beads.
  • the cellulosic beads are substantially spherical.
  • the cellulosic beads have a diameter of between about 0.2 mm and about 2.0 mm.
  • the cellulosic particles may comprise cellulose bonded with, for example, a binder such as a poly vinyl acetate binder.
  • a method of manufacturing cellulosic beads suitable for use in the second flavour- releasing segment of multi-component filters according to the present invention is described in EP-A-O 850 979.
  • Cellulosic beads suitable for use in the second flavour-releasing segment of multi-component filters according to the invention are available under the brand name Viscopearl ® from Rengo Co., Ltd., Japan.
  • flavour-bearing cellulosic particles are loaded with menthol.
  • the external diameter of multi-component filters according to the invention is between about 5 mm and about 8.5 mm, more preferably about 7.9 mm.
  • the overall length of multi-component filters according to the invention is between about 18 mm and about 36 mm, more preferably about 27 mm.
  • the length of the first flavour-releasing segment is between about 9 mm and about 18 mm, more preferably about 15 mm.
  • the length of the second flavour-releasing segment is between about 9 mm and about 18 mm, more preferably about 12 mm.
  • Multi-component filters according to the invention may further comprise a rod end segment comprising a plug of filtration material upstream of the second flavour-releasing segment.
  • the rod end segment may comprise any suitable fibrous or webbed filtration materials including, but not limited to, cellulose acetate tow and crepe paper.
  • the rod end segment may further comprise a central hollow tube extending substantially axially through the plug of filtration material.
  • the tube has an internal diameter of between about 0.8 mm and about 2.0 mm, more preferably of about 1.1 mm, and an external diameter of between about 1.0 mm and about 2.2 mm, more preferably of about 1.3 mm.
  • rod end segment comprising a plug of filtration material
  • a rod end segment comprising a plug of filtration material
  • the length of the rod end segment is between about 8 mm and about 12 mm, more preferably about 10 mm.
  • multi-component filters according to the invention comprise a maximum of three segments.
  • Multi-component filters according to the invention may be produced by forming separate continuous rods comprising multiple units of each segment of the filter and then combining these separate rods in a known manner in one or more stages to form a continuous filter rod comprising multiple units of the multiple-component filter.
  • the continuous filter rod may then be subsequently severed at regular intervals by a cutting mechanism to yield a succession of discrete multi-component filters according to the invention.
  • a smoking article comprising a rod of smokable material and a multi-component filter according to the invention
  • the multi-component filter may be attached to the wrapped rod of smokable material by tipping paper in a conventional manner.
  • the tipping paper has a transparent portion aligned with the second flavour-releasing segment of the multi-component filter, such that at least some of the flavour-bearing cellulosic particles of the second flavour-releasing segment are visible through the transparent portion of the tipping paper.
  • the use of tipping paper having at least a transparent portion in alignment with the second flavour-releasing segment is particularly preferred where the second flavour-releasing segment of the multi-component filter comprises coloured flavour-bearing cellulosic particles.
  • the multi-component filter may be attached to the wrapped rod of smokable material by transparent tipping paper that is rendered opaque by, for example, gravure printing outside of the region that is aligned or in registration with the second flavour-releasing segment.
  • the overall length of the smoking article is between about 68 mm and about 128 mm, more preferably about 84 mm.
  • Smoking articles according to the present invention preferably further comprise at least one circumferential row of perforations at a location along the multi-component filter in order to ventilate mainstream smoke drawn through the multi-component filter from the rod of smokable material.
  • at least one circumferential row of perforations is located at least 12 mm from the mouth end of the multi-component filter.
  • smoking articles according to the present invention have a total nicotine free dry particulate matter or "tar" delivery of between about 1 mg and about 6 mg, more preferably a total tar delivery of between about 1 mg and about 3 mg.
  • tar total nicotine free dry particulate matter
  • the smokable material is tobacco cut filler.
  • the rod of smokable material is wrapped in cigarette paper.
  • smoking articles according to the invention may be packaged in, for example, soft packs, hinge lid packs or other packs that include a flavour-bearing inner liner.
  • smoking articles according to the invention comprising a multi-component filter with a second flavour-releasing segment comprising flavour-bearing cellulosic particles loaded with menthol and a first flavour-releasing segment comprising one or more flavour-bearing threads loaded with menthol may be packaged in containers with a mentholated inner liner.
  • Figure 1 shows a side view of a filter cigarette comprising a tobacco rod and a multi- component filter according to a first embodiment of the invention with portions thereof broken away to illustrate interior details of the multi-component filter;
  • Figure 2 shows a side view of a filter cigarette comprising a tobacco rod and a multi- component filter according to a second embodiment of the invention with portions thereof broken away to illustrate interior details of the multi-component filter;
  • Figure 3 shows a side view of a filter cigarette comprising a tobacco rod and a multi- component filter according to a third embodiment of the invention with portions thereof broken away to illustrate interior details of the multi-component filter;
  • Figure 4 shows a side view of a filter cigarette comprising a tobacco rod and a multi- component filter according to a fourth embodiment of the invention with portions thereof broken away to illustrate interior details of the multi-component filter.
  • Each cigarette generally comprises an elongate, cylindrical wrapped rod of smokable material 2, such as tobacco cut filler, attached at one end to an axially aligned, elongate, cylindrical, multi-component filter 4.
  • the wrapped tobacco rod 2 and the multi-component filter 4 are joined in a conventional manner by tipping paper 6, which circumscribes the entire length of the multi-component filter and an adjacent portion of the wrapped tobacco rod 2.
  • tipping paper 6 To ventilate mainstream smoke produced during combustion of the wrapped tobacco rod 4 with ambient air, a plurality of annular perforations 8 are provided through the tipping paper 6 at a location along the multi-component filter 4.
  • the multi-component filter 4 of the cigarette 10 according to the first embodiment of the invention shown in Figure 1 includes two segments in abutting end-to-end relationship: a first flavour-releasing segment 12, located at the mouth end of the multi-component filter 4, distant from the wrapped tobacco rod 2; and a second flavour-releasing segment 14, located upstream of the first flavour-releasing segment 14, which is adjacent to and abuts the wrapped tobacco rod 2.
  • the first flavour-releasing segment 12 comprises a plug of cellulose acetate tow of medium to high filtration efficiency.
  • a single, central flavour-bearing cotton thread 16 extends axially through the plug of cellulose acetate tow parallel to the longitudinal axis of the cigarette 10.
  • the second flavour-releasing segment 14 comprises a plug of cellulose acetate tow of high filtration efficiency, which is substantially evenly loaded with a plurality of flavour-bearing cellulosic beads 18.
  • the tipping paper 6 may be transparent at least where it circumscribes the second flavour-releasing segment 14, such that the flavour-bearing cellulosic beads 18 of the second flavour-releasing segment 14 are visible through the tipping paper 6.
  • mainstream smoke is drawn downstream from the lit end of the wrapped tobacco rod 2 through the multi-component filter 4.
  • mainstream smoke enters the multi- component filter 4 it passes through the second flavour-releasing segment 14, where the high filtration efficiency cellulose acetate tow partially filters out particulate phase components of the smoke and flavour is released into the mainstream smoke from the flavour-bearing cellulosic beads 18.
  • the mainstream smoke Having passed through the second flavour-releasing segment 14, the mainstream smoke enters the first flavour-releasing segment 12 at the mouth end of the multi-component filter 4, where the medium to high filtration efficiency cellulose acetate tow also partially filters out particulate phase components of the smoke and further flavour is released into the smoke from the flavour-bearing cotton thread 16.
  • the dual flavour-enhanced smoke then exits the first flavour-releasing segment 12 of the multi-component filter 4 through the mouth end of the cigarette 10.
  • a particularly preferred cigarette according to the first embodiment of the invention in which the flavour bearing cellulosic beads 18 of the second flavour-releasing segment 14 and the flavour-bearing thread 16 of the first flavour-releasing segment 12 are highly loaded with menthol, has a nicotine delivery of 0.1 mg and a tar delivery of 1 mg, including in the tar delivery a menthol delivery of 0.3 mg.
  • the cigarette 20 according to the second embodiment of the invention shown in Figure 2 has a multi-component filter 4 that includes three segments in abutting end-to-end relationship: a first flavour-releasing segment 12, located at the mouth end of the multi-component filter 4 distant from the wrapped tobacco rod 2; a second flavour-releasing segment 14, located upstream of the first flavour-releasing segment 12; and a rod end segment 22 located upstream of the second flavour-releasing segment 12, which is adjacent to and abuts the wrapped tobacco rod 2.
  • the first flavour-releasing segment 12 is of the same construction as the first flavour- releasing segment 12 of the cigarette 10 shown in Figure 1 , but comprises a plug of cellulose acetate tow of medium to low filtration efficiency.
  • the second flavour-releasing segment 14 is also of the same construction as the second flavour-releasing segment 14 of the cigarette 10 shown in Figure 1 , but comprises a plug of cellulose acetate tow of low to medium, filtration efficiency.
  • the rod end segment 22 comprises a plug of cellulose acetate tow of high filtration efficiency.
  • the cigarette 24 according to the third embodiment of the invention shown in Figure 3 also has a multi-component filter that includes three segments in abutting end-to-end relationship: a first flavour-releasing segment 12, located at the mouth end of the multi- component filter 4 distant from the wrapped tobacco rod 2; a second flavour-releasing segment 14, located upstream of the first flavour-releasing segment 12; and a rod end segment 22 located upstream of the second flavour-releasing segment 12, which is adjacent to and abuts the wrapped tobacco rod 2.
  • the rod end segment 22 is of the same construction as the rod end segment 22 of the cigarette 20 shown in Figure 2.
  • the first flavour-releasing segment 12 is also of the same construction as the first flavour-releasing segment 12 of the cigarette 20 shown in Figure 2, but comprises a plug of cellulose acetate tow of low to medium filtration efficiency.
  • the second flavour-releasing segment 14 is a cavity located between the rod end segment 22 and the first flavour-releasing segment 12, which is filled with flavour-bearing cellulosic beads.
  • flavour bearing cellulosic beads 18 of the second flavour-releasing segment 14 and the flavour-bearing thread 16 of the first flavour-releasing segment 12 are highly loaded with menthol and the cavity of the second flavour-releasing segment 14 is filled to a volume of about 80% or more with the flavour-bearing cellulosic beads.
  • the cigarette 26 according to the fourth embodiment of the invention shown in Figure 4 also has a multi-component filter that includes three segments in abutting end-to-end relationship: a first flavour-releasing segment 12, located at the mouth end of the multi- component filter 4 distant from the wrapped tobacco rod 2; a second flavour-releasing segment 14, located upstream of the first flavour-releasing segment 12, and a rod end segment 22 located upstream of the second flavour-releasing segment 12, which is adjacent to and abuts the wrapped tobacco rod 2.
  • the first flavour-releasing segment 12 is of the same construction as the first flavour- releasing segment 12 of the cigarette 20 shown in Figure 2, but comprises a plug of cellulose acetate tow of low to medium filtration efficiency.
  • the second flavour-releasing segment 14 is also of the same construction as the second flavour-releasing segment 14 of the cigarette 20 shown in Figure 2, but comprises a plug of cellulose acetate tow of low to high filtration efficiency, depending on the desired overall filtration effect of the cigarette 26.
  • the rod end segment 22 comprises a plug of cellulose acetate tow of medium to high filtration efficiency and a central hollow tube 28, which extends axially through the plug of cellulose acetate tow parallel to the longitudinal axis of the cigarette 26.
  • the central hollow tube 28 extending axially through the rod end segment 22, which maximises filtration of particulate phase components of the mainstream smoke, increases the tar delivery of the first few puffs of mainstream smoke drawn through the cigarette 26.
  • the multi- component filters 4 are produced and then joined to the wrapped tobacco rods 2, which are produced in a conventional manner, by tipping paper 6 using known filter cigarette making equipment.
  • separate continuous rods comprising multiple units of the first flavour-releasing segment 12 and the rod end segment 22 of the multi-component filter 4 are produced in a known manner and then combined to form a continuous filter rod comprising multiple first flavour-releasing segments 12 and multiple rod end segments 22 separated by cavities.
  • the cavities are filled with cellulosic beads 18 to form multiple second flavour- releasing segments 14 and the continuous filter rod comprising multiple units of the multiple- component filter 4 is then severed at regular intervals by a cutting mechanism to yield a succession of discrete multi-component filters 4.
  • a filter cigarette according to the first embodiment of the invention having the dimensions and properties given in Table 1 below is produced by a conventional combining process.
  • multi-component filters including plugs of cellulose acetate tow
  • multi-component filters according to the present invention may comprise plugs of other suitable fibrous or webbed filtration material.
  • the first flavour-releasing segment and second flavour- releasing segment of multi-component filters according to the present invention can each release desired flavours into mainstream smoke passing through the multi-component filter, thereby advantageously providing dual flavour enhancement to the mainstream smoke.
  • multi-component filters according to the invention advantageously enable the manufacture of filter cigarettes and other filtered smoking articles that are flavourful, whilst still achieving significant reductions in particulate phase and gas phase components of the mainstream smoke and an acceptable overall resistance to draw.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Seasonings (AREA)
EP08762968A 2007-03-21 2008-03-20 Mehrkomponentenfilter für mehrfache geschmacksintensivierung Active EP2134201B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08762968A EP2134201B1 (de) 2007-03-21 2008-03-20 Mehrkomponentenfilter für mehrfache geschmacksintensivierung
SI200830162T SI2134201T1 (sl) 2007-03-21 2008-03-20 Večkomponentni filter, ki omogoča izboljšanje okusa
PL08762968T PL2134201T3 (pl) 2007-03-21 2008-03-20 Filtr wieloskładnikowy zapewniający polepszone wzbogacenie aromatu

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP07251210A EP1972213A1 (de) 2007-03-21 2007-03-21 Mehrkomponentenfilter für erhöhte Geschmacksintensivierung
EP08762968A EP2134201B1 (de) 2007-03-21 2008-03-20 Mehrkomponentenfilter für mehrfache geschmacksintensivierung
PCT/IB2008/001661 WO2008114153A2 (en) 2007-03-21 2008-03-20 Multi-component filter providing improved flavour enhancement

Publications (2)

Publication Number Publication Date
EP2134201A2 true EP2134201A2 (de) 2009-12-23
EP2134201B1 EP2134201B1 (de) 2011-02-09

Family

ID=38366894

Family Applications (2)

Application Number Title Priority Date Filing Date
EP07251210A Ceased EP1972213A1 (de) 2007-03-21 2007-03-21 Mehrkomponentenfilter für erhöhte Geschmacksintensivierung
EP08762968A Active EP2134201B1 (de) 2007-03-21 2008-03-20 Mehrkomponentenfilter für mehrfache geschmacksintensivierung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP07251210A Ceased EP1972213A1 (de) 2007-03-21 2007-03-21 Mehrkomponentenfilter für erhöhte Geschmacksintensivierung

Country Status (25)

Country Link
US (1) US20080230079A1 (de)
EP (2) EP1972213A1 (de)
JP (1) JP5442458B2 (de)
KR (1) KR101411687B1 (de)
CN (1) CN101578053B (de)
AR (1) AR067215A1 (de)
AT (1) ATE497709T1 (de)
AU (1) AU2008227975B2 (de)
BR (1) BRPI0809129B1 (de)
CO (1) CO6241083A2 (de)
DE (1) DE602008004895D1 (de)
DK (1) DK2134201T3 (de)
EA (1) EA015119B1 (de)
ES (1) ES2360491T3 (de)
HK (1) HK1132632A1 (de)
MX (1) MX2009007262A (de)
MY (1) MY145911A (de)
NZ (1) NZ577385A (de)
PL (1) PL2134201T3 (de)
PT (1) PT2134201E (de)
RS (1) RS51679B (de)
SI (1) SI2134201T1 (de)
TW (1) TWI409038B (de)
UA (1) UA96018C2 (de)
WO (1) WO2008114153A2 (de)

Families Citing this family (51)

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ATE497709T1 (de) 2011-02-15
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