EP2898784B1 - Cigarette à filtre - Google Patents

Cigarette à filtre Download PDF

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Publication number
EP2898784B1
EP2898784B1 EP14000440.9A EP14000440A EP2898784B1 EP 2898784 B1 EP2898784 B1 EP 2898784B1 EP 14000440 A EP14000440 A EP 14000440A EP 2898784 B1 EP2898784 B1 EP 2898784B1
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EP
European Patent Office
Prior art keywords
band
zone
cigarette
filter
tobacco rod
Prior art date
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EP14000440.9A
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German (de)
English (en)
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EP2898784A1 (fr
Inventor
Thomas Pienemann
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Reemtsma Cigarettenfabriken GmbH
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Reemtsma Cigarettenfabriken GmbH
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Application filed by Reemtsma Cigarettenfabriken GmbH filed Critical Reemtsma Cigarettenfabriken GmbH
Priority to EP14000440.9A priority Critical patent/EP2898784B1/fr
Priority to PL14000440T priority patent/PL2898784T3/pl
Priority to PCT/EP2014/003450 priority patent/WO2015110137A1/fr
Publication of EP2898784A1 publication Critical patent/EP2898784A1/fr
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Publication of EP2898784B1 publication Critical patent/EP2898784B1/fr
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    • 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
    • A24D1/02—Cigars; Cigarettes with special covers
    • A24D1/025—Cigars; Cigarettes with special covers the covers having material applied to defined areas, e.g. bands for reducing the ignition propensity
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/005—Treatment of cigarette paper
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/14—Machines of the continuous-rod type
    • A24C5/28—Cutting-off the tobacco rod

Definitions

  • the invention relates to a filter cigarette as well as processes of manufacturing such a filter cigarette.
  • LIP low ignition propensity
  • ASTM E2187-04 standard test methods
  • Tests are conducted by positioning a lit cigarette on layers of a special paper and measuring the length of the cigarette that is left after self-extinguishing. If self-extinguishing occurs before a pre-determined residual length of the cigarette has been reached, a single test is passed. The test is repeated for a given number of cigarettes (e.g. 40), and the product is considered to be LIP-compliant if a certain percentage of cigarettes passes the test.
  • FIG. 1 is a schematic longitudinal view showing a conventional LIP filter cigarette having a length l c , which comprises a tobacco rod wrapped with a cigarette paper 1 and a filter 2, both being connected by a tipping paper 3 having a length l T .
  • the length of the tobacco rod not covered by the tipping paper 3 is l Rf .
  • the distance d B between the bands 4 (measured centre/centre or left edge/left edge) is chosen as l Rf /2.
  • the cigarette paper used for manufacturing such cigarettes has a regular pattern of bands 4 with a distance of d B , as shown in Figure 2 . Due to the usual, unregistered way of applying the cigarette paper to the cigarettes, the position of the bands 4 on the finished cigarettes is randomly distributed, as shown in Figure 3 .
  • the air permeability of the base cigarette paper and the bands can be described both in terms of porosity (driven by a pressure gradient across the paper or band, respectively) and in terms of diffusivity (driven by a concentration gradient across the paper or band, respectively).
  • the air permeability is often expressed by diffusivity.
  • the diffusivity (diffusion capacity) can be measured as described in CORESTA Recommended Method No. 77 ("Determination of diffusion capacity by measurement of CO 2 transfer rate through materials used as cigarette papers and cigarette papers having an oriented zone of reduced diffusion capacity", May 2013) and indicated in cm/s.
  • a low diffusivity of the bands increases the probability that the cigarette extinguishes in free-air burning conditions which is reflecting the normal use of the product by smokers. Free-air self-extinguishing will cause frustration of the smoker as the cigarette either has to be re-lit or discarded before being fully smoked.
  • the general industry practice is to select the diffusivity of the bands in a way that the LIP pass criteria are met reliably but free-air self-extinguishing is minimized.
  • US 2013/0087161 A discloses a filter cigarette in which the cigarette paper includes circumferentially extending band-like zones, which have a lower porosity than the basic porosity of the cigarette paper and which may have different diffusivities when compared to each other.
  • the object of the invention is to provide a filter cigarette that passes LIP tests and also self-extinguishes once the burning zone reaches the mouth-sided end area of the cigarette.
  • the filter cigarette according to the invention comprises a tobacco rod wrapped with a cigarette paper having a basic porosity and a filter attached to an end of the wrapped tobacco rod by means of a tipping.
  • the cigarette paper includes at least one first circumferentially extending band-like zone having a lower porosity than the basic porosity and one second circumferentially extending band-like zone having a lower porosity than the basic porosity.
  • the second band-like zone is longitudinally spaced to the at least one first band-like zone.
  • the second band-like zone has a lower diffusivity than the at least one first band-like zone.
  • the air permeability of the band-like zones is expressed as porosity when compared to the porosity (basic porosity) of the cigarette paper in the areas away from the band-like zones, as measured by the well-established CORESTA Recommended Method No. 40.
  • the permeability of the band-like zones as such and when compared to each other is expressed as diffusivity D* (diffusion capacity), as measured by the recently introduced CORESTA Recommended Method No. 77.
  • the second band-like zone is closer to the filter than the at least one first band-like zone.
  • the distance between the second band-like zone and the rod-sided end of the tipping is less than 5 mm.
  • the second band-like zone may be adjacent to the rod-sided end of the tipping, i.e. the above distance is almost 0 mm or exactly 0 mm.
  • the latter includes the case that there is some overlap between the second band-like zone and the tipping; since the tipping usually is impervious to air, such overlap would not result in a particular effect.
  • a typical width of the second band-like zone (measured in longitudinal direction of the filter cigarette) is in the range of from 3 mm to 9 mm.
  • band-like zones with two different air permeability levels are applied to the cigarette paper in such a way that a band-like zone having a lower permeability is in close vicinity to the tipping (usually a tipping paper) at the mouth-sided end of the filter cigarette.
  • the permeability of the band-like zones is chosen in a way that the band-like zone(s) distal from the mouth-sided end (i.e. the first band-like zones(s)) has (have) a diffusivity comparable to standard LIP cigarettes, thus allowing to pass the LIP test but minimizing free-air self-extinguishing during smoking.
  • the second band-like zone which is positioned closer to or adjacent to the tipping, has a diffusivity which is chosen low enough to result in extinguishing once the cigarette burning zone reaches this band-like zone.
  • the diffusivity of the second band-like zone has to be lower than 0.05 cm/s, while the diffusivity of the first band-like zone(s) can be chosen to be in the range of from 0.06 cm/s to 0.18 cm/s, as usually applied for LIP cigarettes. These values are expressed as diffusivity as measured by the method indicated above.
  • the diffusivity or porosity relates to the composite comprising the cigarette paper plus the material applied to the cigarette paper for providing the band-like zones.
  • the second band-like zone may be marked, for example by colouring.
  • marking can be advantageous, e.g., for detecting the second band-like zone in a manufacturing process (see below), or may provide a pleasant appearance of the filter cigarette. If the marking is just used as a detection aid, a normally invisible marking may be preferred, e.g. by a fluorescent dye which is excited by a UV lamp during the manufacturing process.
  • the at least one first band-like zone and/or the second band-like zone comprises, e.g., a starch, an alginate, guar gum, a salt of an organic acid, a burn retardant or mixtures of such substances.
  • the desired porosity can be adjusted, e.g., by the concentration of the respective substance in a solvent or slurry during the manufacturing process, as is generally known in the art and also described in more detail in the embodiments below.
  • a filter cigarette according to the invention includes one or two first band-like zones, which are spaced to each other and preferably (but not necessarily) have the same-diffusivity.
  • a web of cigarette paper including sections which each comprise at least one transversely extending first band-like zone and one transversely extending second band-like zone is unwound from a bobbin and longitudinally wrapped around an endless tobacco rod to provide an endless wrapped tobacco rod.
  • This endless wrapped tobacco rod includes sections each comprising at least one circumferentially extending first band-like zone and one circumferentially extending second band-like zone.
  • the wrapped tobacco rod has to be cut into pieces. This cutting step is performed in register with each respective second band-like zone to ensure that, in each finished cigarette, the second band-like zone has a well-defined position with respect to the rod-sided end of the tipping.
  • the distance between the second band-like zone and the rod-sided end of the tipping is preferably small.
  • the second band-like zones can be marked by a marking (see above), which is detected by a sensor or detector to enable the wrapped tobacco rod to be cut at the correct positions, preferably close to each respective second band-like zone.
  • the first and second band-like zones can already be applied to the cigarette paper web during the manufacturing process of the web, e.g. by printing.
  • a web of cigarette paper which includes sections each comprising at least one transversely extending first band-like zone, is unwound from a bobbin. In each one of these sections, one transversely extending second band-like zone is applied to the web. Thereafter, the web is longitudinally wrapped around an endless tobacco rod to provide an endless wrapped tobacco rod including sections each comprising at least one circumferentially extending first band-like zone and one circumferentially extending second band-like zone. The wrapped tobacco rod is cut in register with each respective second band-like zone to ensure that, in each finished cigarette, the second band-like zone has a well-defined position with respect to the rod-sided end of the tipping (i.e. preferably a small distance).
  • the cigarette paper web upon delivery, just includes the first band-like zones, while the second band-like zones are applied to the web during the manufacturing process.
  • This allows to utilize the known spatial and temporal relation between the step of applying a respective second band-like zone to the web and the cutting step (which is essentially determined by the distance between the applying station and the cutting station as well as the speed of the web) to cut the wrapped tobacco rod in register (i.e. synchronized) with each respective second band-like zone.
  • the positions of the first band-like zones on the finished cigarettes are more randomly distributed. Any disadvantageous effect resulting therefrom can be counter-acted by using more than one first band-like zone per cigarette.
  • the second band-like zones are preferably printed onto the web on a cigarette machine during cigarette manufacturing using gravure or inkjet printing.
  • the second band-like zones can be printed onto the web with a printing ink, wherein the printing ink comprises an aqueous solution of one or more substances like starches, alginates, guar gum, organic acids, burn retardants.
  • the term "solution" also encompasses a slurry.
  • Such applied or printed second band-like zones preferably have a width, measured in longitudinal direction of the tobacco rod, in the range of from 3 mm to 9 mm and a porosity of less than 20 CU.
  • Figures 1 to 3 relate to a conventional LIP filter cigarette and a process of manufacturing such cigarettes, as explained in detail further above.
  • Figure 4 illustrates a first embodiment of a filter cigarette according to the invention, designated by 10.
  • the filter cigarette 10 comprises a tobacco rod 12, which is wrapped with a cigarette paper 14 having a basic porosity.
  • a filter 16 e.g. containing cellulose acetate, is attached to one end of the tobacco rod 12 by means of a tipping 18 (in the embodiment made of paper). In the end area of the tobacco rod 12, the tipping 18 somewhat overlaps the cigarette paper 14.
  • the total length of the filter cigarette 10 is designated by l c , the length of the cigarette paper 14 by l cp , the length of the tipping 18 by l T , and the difference between l C and l T by l Rf .
  • the cigarette paper 14 comprises one first band-like zone 20, which extends circumferentially about the tobacco rod 12.
  • Figure 4 is not a pure longitudinal section, but schematic.
  • the first band-like zone 20 has a lower porosity than the basic porosity of cigarette paper 14.
  • the cigarette paper 14 comprises one second band-like zone 22, which extends circumferentially about the tobacco rod 12.
  • the second band-like zone 22 has a lower diffusivity than the first band-like zone 20.
  • the widths of the first band-like zone 20 and the second band-like zone 22 are the same.
  • the distance d BT between the rod-sided end of the tipping 18 and the closest edge of the second band-like zone 20 is generally small, preferably between 0 mm and 5 mm.
  • the distance of the first band-like zone 20 and the second band-like zone 22 (measured centre-centre, or in Figure 4 left edge-left edge) is designated by d B .
  • the first band-like zone 20 is designed as a conventional band providing LIP properties so that the filter cigarette 10, when lit, self-extinguishes (with a relatively high probability) when put on a support but does not self-extinguish (with a relatively high probability) when held in air.
  • the lower-diffusivity second band-like zone 22 reliably results in self-extinguishment of the cigarette when completely smoked and the burning zone has reached the mouth-sided end area of the tobacco rod 12.
  • the band-like zones 20 and 22 having different diffusivities are provided to a cigarette paper web at the paper manufacturing process by applying porosity-reducing substances such as alginate, starch, cellulose fibers and/or guar gum, as known to a skilled person.
  • porosity-reducing substances such as alginate, starch, cellulose fibers and/or guar gum, as known to a skilled person.
  • the band pattern can be chosen such that d B is half of l Rf .
  • the cigarette paper web used for manufacturing the cigarettes 10 has a regular pattern of band-like zones 20 and 22, see Figure 5 .
  • This regular pattern has to reflect the fact that, in the common way of attaching filters to cigarettes, first a double-length rod (having a length of twice l Cp ) is cut from an endless rod of tobacco longitudinally wrapped with the web, which is then cut in the middle.
  • the two single-length rods are spaced apart and a double-length filter segment is inserted in between the two single-length rods.
  • the double-length filter segment and the two single-length rods are then combined by wrapping and gluing with a double-length tipping paper.
  • the resulting double cigarette is cut in the middle to obtain two single cigarettes.
  • double sections are arranged in a repeating pattern, wherein the length of each double section equals to twice the total length l Cp of the cigarette paper 14 in one cigarette 10.
  • the cigarette paper has to be applied in a registered way during cigarette making, as for example described for standard LIP papers in US 2005/0172977 A and WO 2011/057743 A . This results in the same positioning of the band-like zones 20, 22 in all cigarettes 10, as illustrated in Figure 6 .
  • one of the bands can be marked, e.g. coloured.
  • the lower-diffusivity second band-like zone 22, proximal to the filter 16, is coloured which also assists the smoker in recognizing the self-extinguishing zone.
  • Filter cigarette 30 comprises a tobacco rod 32 wrapped with a standard LIP cigarette paper 34 and a filter 36 attached by means of a tipping 38.
  • the cigarette paper 34 includes generally two first band-like zones 40 having a lower porosity than the basic porosity of the cigarette paper 34.
  • a second band-like zone 42 having an even lower porosity or diffusivity is located in close vicinity to the rod-sided end of the tipping 38, the distance being d BT .
  • the other distances indicated in Figure 7 are like those in Figure 4 .
  • the filter cigarettes 30 are manufactured by using a cigarette paper web like the web shown in Figure 2 , which includes all first band-like zones 40, but on which the second band-like zones 42 are missing initially.
  • the positions of the first band-like zones 40 can vary, as depicted in Figure 8 , in which individual cigarettes are designated by 50, 51, 52, 53 and 54.
  • the second band-like zone 42 always has to be applied at the same position on a filter cigarette 30 in order to ensure self-extinguishment of the cigarette only if it has been smoked almost completely. This is achieved by applying, preferably by printing, a solution of a suitable substance at the cigarette maker after unwinding the cigarette paper web from the bobbin but before rod formation.
  • Suitable methods for printing include but are not limited to gravure printing (see WO 2006/029723 A ) and inkjet printing.
  • the wrapped tobacco rod is cut in register with the respective second band-like zones 42, as also explained further above.
  • Citric acid and other organic acids are suitable means for lowering the burn rate of cigarettes when applied to the cigarette paper.
  • WO 85/04080 A describes that a cigarette paper treated with such substances reduces the ignition propensity of cigarettes. According to WO 85/04080 A , bands created by using such an acid and covering at least 50% of the cigarette paper surface area yield the desired effect.
  • suitable printing ink substances for this printing operation include:
  • Example 1 (Conventional cigarette as in Fig. 1 as a reference)
  • a cigarette rod comprising a standard American Blend tobacco having a length of 63 mm and a weight of 720 mg was combined with a standard cellulose acetate filter having a length of 21 mm using a standard tipping paper with 25 mm width (measured in longitudinal direction of the cigarette rod).
  • the cigarette paper used for forming the rod had a basic porosity of 75 CU and equally spaced LIP bands of 7 mm width and a distance (as measured form centre to centre) of 29.5 mm.
  • the diffusivity in the band regions was set to 0.12 cm/s. 92% of these cigarettes passed the LIP test according to ASTM 2187-4.
  • Example 2 (Cigarette as in Figure 4)
  • a cigarette similar to that of Example 1 was produced with a cigarette paper having two different bands (band-like zones).
  • the diffusivity of the first band was 0.12 cm/s and that of the second band (second band-like zone 22) was 0.04 cm/s.
  • the width of both bands was 7 mm and the distance between the bands was 29.5 mm.
  • the cigarette paper was applied in registered manner to ensure that the second band starts directly behind the rod-sided end of the tipping. 100% of these cigarettes passed the LIP test according to ASTM 2187-4.
  • Example 3 (Cigarette like in Figure 7)
  • Example 1 On the cigarettes of Example 1, an aqueous solution of citric acid was applied with a paint brush to create a band (second band-like zone 42) having a width of 5 mm and located on the cigarette paper directly adjacent to the tipping. The amount of citric acid in the band was 3 mg per cigarette. After application of the band, the cigarettes were stored in a controlled atmosphere of 20°C and 60% relative humidity for one week. 98% of these cigarettes passed the LIP test according to ASTM 2187-4. In the region treated with citric acid, the permeability (porosity) of the cigarette paper was reduced from the initial value of 75 CU to less than 20 CU.

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  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Claims (15)

  1. Cigarette à filtre,
    - comprenant un rouleau de tabac (12 ; 32) enveloppé avec un papier à cigarette (14 ; 34) ayant une porosité de base et
    - comprenant un filtre (16 ; 36) attaché à une extrémité du rouleau de tabac enveloppé (12 ; 32) au moyen d'une manchette (18 ; 38),
    - le papier à cigarette (14 ; 34) comprenant au moins une première zone (20 ; 40) de type bande s'étendant de façon circonférentielle ayant une porosité inférieure à la porosité de base et une deuxième zone (22 ; 42) de type bande s'étendant de façon circonférentielle ayant une porosité inférieure à la porosité de base et étant à distance longitudinalement de l'au moins une première zone (20 ; 40) de type bande,
    - la deuxième zone (22 ; 42) de type bande ayant une diffusivité inférieure à celle de l'au moins une première zone (20 ; 40) de type bande,
    caractérisée
    - en ce que la deuxième zone (22 ; 42) de type bande est plus proche du filtre que l'au moins une première zone (20 ; 40) de type bande, et
    - en ce que la diffusivité de la deuxième zone (22 ; 42) de type bande est inférieure à 0,05 cm/s.
  2. Cigarette à filtre selon la revendication 1, caractérisée en ce que la distance entre la deuxième zone (22 ; 42) de type bande et l'extrémité de la manchette (18 ; 38) du côté du rouleau est inférieure à 5 mm.
  3. Cigarette à filtre selon la revendication 2, caractérisée en ce que la deuxième zone (22 ; 42) de type bande est adjacente à l'extrémité de la manchette (18 ; 38) du côté du rouleau.
  4. Cigarette à filtre selon l'une quelconque des revendications 1 à 3, caractérisée en ce que la diffusivité de l'au moins une première zone (20 ; 40) de type bande est dans la plage de 0,06 cm/s à 0,18 cm/s.
  5. Cigarette à filtre selon l'une quelconque des revendications 1 à 4, caractérisée en ce que la deuxième zone (22 ; 42) de type bande est marquée, de préférence par de la couleur.
  6. Cigarette à filtre selon l'une quelconque des revendications 1 à 5, caractérisée en ce que l'au moins une première zone (20 ; 40) de type bande comprend au moins l'une des substances réduisant la porosité comprises dans la liste suivante : amidons, alginates, gomme de guar, sels d'acides organiques, ralentisseurs de combustion.
  7. Cigarette à filtre selon l'une quelconque des revendications 1 à 6, caractérisée en ce que la deuxième zone (22 ; 42) de type bande comprend au moins l'une des substances réduisant la porosité comprises dans la liste suivante : amidons, alginates, gomme de guar, sels d'acides organiques, ralentisseurs de combustion.
  8. Cigarette à filtre selon l'une quelconque des revendications 1 à 7, caractérisée en ce que le nombre de premières zones (20 ; 40) est sélectionné parmi la liste suivante : un, deux, trois, quatre, cinq.
  9. Procédé de fabrication de cigarettes à filtre selon l'une quelconque des revendications 1 à 8, caractérisé en ce qu'une feuille (24) de papier à cigarette (14) comprenant des sections, chacune comprenant au moins une première zone (20) de type bande s'étendant transversalement et une deuxième zone (22) de type bande s'étendant transversalement est déroulée d'une bobine et enroulée de façon longitudinale autour d'un rouleau de tabac sans fin pour fournir un rouleau de tabac sans fin enroulé comprenant des sections, chacune comprenant au moins une première zone (20) de type bande s'étendant de façon circonférentielle et une deuxième zone (22) de type bande s'étendant de façon circonférentielle, le rouleau de tabac enroulé étant coupé de façon alignée sur chaque deuxième zone (22) de type bande respective afin de garantir que, sur chaque cigarette finie (10), la deuxième zone (22) de type bande a une position bien définie relativement à l'extrémité de la manchette (18) du côté du rouleau.
  10. Procédé selon la revendication 9, caractérisé en ce que les deuxièmes zones (22) de type bande sont marquées par un marquage qui est détecté par un capteur ou un détecteur afin de permettre le rouleau de tabac enroulé d'être coupé de façon alignée relativement à chaque zone (22) de type bande respective.
  11. Procédé de fabrication de cigarettes à filtre selon l'une quelconque des revendications 1 à 8, caractérisé en ce qu'une feuille (34) de papier à cigarette comprenant des sections, chacune comprenant au moins une première zone (40) de type bande s'étendant transversalement est déroulée d'une bobine, une deuxième zone (42) de type bande s'étendant transversalement étant appliquée à la feuille dans chaque section, la feuille étant ensuite enroulée de façon longitudinale autour d'un rouleau de tabac sans fin pour fournir un rouleau de tabac sans fin enroulé comprenant des sections, chacune comprenant au moins une première zone (40) de type bande s'étendant de façon circonférentielle et une deuxième zone (42) de type bande s'étendant de façon circonférentielle, et le rouleau de tabac enroulé étant coupé de façon alignée relativement à chaque deuxième zone (42) de type bande respective afin de garantir que, sur chaque cigarette finie (30), la deuxième zone (42) de type bande a une position bien définie par rapport l'extrémité de la manchette (38) du côté du rouleau.
  12. Procédé selon la revendication 11, caractérisé en ce qu'une relation spatiale et temporelle connue entre l'étape d'application d'une deuxième zone (42) de type bande à la feuille et l'étape de coupe est utilisée pour permettre de couper le rouleau de tabac enroulé de façon alignée relativement à chaque deuxième zone (42) de type bande respective.
  13. Procédé selon la revendication 11 ou 12, caractérisé en ce que les deuxièmes zones (42) de type bande ont chacune une largeur, mesurée dans le sens longitudinal du rouleau de tabac (32), dans la plage de 3 mm à 9 mm, et une porosité inférieure à 20 unités Coresta.
  14. Procédé selon l'une quelconque des revendications 11 à 13, caractérisé en ce que les deuxièmes zones (42) de type bande sont imprimées sur la feuille avec une encre d'impression, l'encre d'impression comprenant une solution et/ou une suspension aqueuse d'au moins l'une des substances comprises dans la liste suivante : amidons, alginates, gomme de guar, acides organiques, ralentisseurs de combustion.
  15. Procédé selon l'une quelconque des revendications 11 à 14, caractérisé en ce que les deuxièmes zones (42) de type bande sont imprimées sur la feuille sur une machine à cigarettes pendant la fabrication de cigarettes en utilisant l'héliogravure ou l'impression jet d'encre.
EP14000440.9A 2014-01-24 2014-02-06 Cigarette à filtre Active EP2898784B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP14000440.9A EP2898784B1 (fr) 2014-01-24 2014-02-06 Cigarette à filtre
PL14000440T PL2898784T3 (pl) 2014-01-24 2014-02-06 Papieros z filtrem
PCT/EP2014/003450 WO2015110137A1 (fr) 2014-01-24 2014-12-19 Cigarette-filtre

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14000267 2014-01-24
EP14000440.9A EP2898784B1 (fr) 2014-01-24 2014-02-06 Cigarette à filtre

Publications (2)

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EP2898784A1 EP2898784A1 (fr) 2015-07-29
EP2898784B1 true EP2898784B1 (fr) 2018-05-30

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EP (1) EP2898784B1 (fr)
ES (1) ES2683321T3 (fr)
PL (1) PL2898784T3 (fr)
WO (1) WO2015110137A1 (fr)

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US1555320A (en) 1923-04-11 1925-09-29 Weil Emile Cigarette
US1996002A (en) 1933-05-25 1935-03-26 Seaman Stewart Elmer Decreasing inflammability of cigarettes
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ES2683321T3 (es) 2018-09-26
PL2898784T3 (pl) 2018-11-30
WO2015110137A1 (fr) 2015-07-30
EP2898784A1 (fr) 2015-07-29

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