EP2730181A1 - Produit de tabac sans fumée - Google Patents

Produit de tabac sans fumée Download PDF

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Publication number
EP2730181A1
EP2730181A1 EP12007639.3A EP12007639A EP2730181A1 EP 2730181 A1 EP2730181 A1 EP 2730181A1 EP 12007639 A EP12007639 A EP 12007639A EP 2730181 A1 EP2730181 A1 EP 2730181A1
Authority
EP
European Patent Office
Prior art keywords
pouch
tobacco product
smokeless tobacco
product according
particles
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.)
Withdrawn
Application number
EP12007639.3A
Other languages
German (de)
English (en)
Inventor
Nadja Strehle
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.)
Reemtsma Cigarettenfabriken GmbH
HF and PhF Reemtsma GmbH and Co
Original Assignee
Reemtsma Cigarettenfabriken GmbH
HF and PhF Reemtsma GmbH and Co
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 Reemtsma Cigarettenfabriken GmbH, HF and PhF Reemtsma GmbH and Co filed Critical Reemtsma Cigarettenfabriken GmbH
Priority to EP12007639.3A priority Critical patent/EP2730181A1/fr
Priority to US14/074,128 priority patent/US20140130813A1/en
Priority to CA2832889A priority patent/CA2832889A1/fr
Publication of EP2730181A1 publication Critical patent/EP2730181A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/10—Chemical features of tobacco products or tobacco substitutes
    • A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B13/00—Tobacco for pipes, for cigars, e.g. cigar inserts, or for cigarettes; Chewing tobacco; Snuff

Definitions

  • the invention relates to a smokeless tobacco product which can be used like a conventional snus pouch.
  • a snus pouch is made from a permeable sheet material like non-woven viscose and encloses a filling of shredded tobacco particles.
  • Such snus pouch is placed between a consumer's upper lip and gum, whereupon substances contained in the tobacco particles are released under the action of saliva and moisture, migrate through the walls of the pouch and are taken up by the consumer.
  • US 2010/0018541 A1 discloses a smokeless tobacco product, which includes a moisture-permeable pouch.
  • the pouch is made from a bottom portion and a top portion, which are sealed along their common edge, e.g. by heat-sealing or the application of a suitable adhesive.
  • a solid tobacco material is disposed within the pouch.
  • a similar product is known from WO 2010/014506 A2 .
  • a pouched non-tobacco product is known from US 2007/0095356 A1 . It comprises a non-tobacco flavourful material enveloped by a liner, which is contained in a pouch having a longitudinal seam and transverse seams.
  • the liner reduces the tendency of the non-tobacco flavourful material to stain the pouch.
  • the liner may include flavourants within the liner.
  • EP 2 449 894 A1 discloses an oral tobacco product comprising a pouch containing tobacco particles as well as a piece of string which includes a flavourant.
  • the piece of string is disposed inside the pouch.
  • the purpose of this flavour string is to release flavourants at the beginning of use of the pouch to create an initial effect, because the action of the active constituents of the tobacco in the consumer's body is delayed.
  • the object of the invention is to provide a smokeless tobacco product, which can be used like a conventional snus pouch and which creates an additional taste after some time of use.
  • the smokeless tobacco product according to the invention comprises a permeable outer pouch, which contains a filling, and at least one permeable inner pouch, which is located in the outer pouch and contains a filling.
  • the filling of the outer pouch comprises tobacco particles, e.g. shredded tobacco particles or tobacco particles as included in conventional snus.
  • the filling of the outer pouch can comprise non-tobacco particles. It is conceivable, however, that the filling of the outer pouch does not contain tobacco and/or that the product does not contain tobacco at all.
  • the product When the product is consumed in the usual manner by placing the outer pouch between upper lip and gum, constituents of the filling of the outer pouch are released when the filling gets moist or wet and penetrate the permeable walls of the outer pouch. So far, the product behaves like a conventional smokeless tobacco product or snus article. It takes some time until the moisture in the outer pouch reaches the inner pouch and enters into the inner pouch through the permeable walls thereof. When that happens, ingredients in the filling of the inner pouch will interact with the moisture so that active constituents (e.g., flavourants) are released and migrate through the walls of the inner pouch and of the outer pouch to the consumer. In that way, the consumer will realize the effect (e.g., the aroma or flavour) after some delay, which provides an additional experience.
  • active constituents e.g., flavourants
  • non-tobacco particles in the outer pouch are crushed vanilla husks, coffee powder, corn pistils, shredded herbs, flowers (e.g., lavender flowers) and/or spices as well as blends thereof. Such non-tobacco particles have a characteristic taste. Generally, blends of tobacco particles and non-tobacco particles in smokeless tobacco products are known in the art. Non-tobacco particles of these kinds can also be used if the filling of the outer pouch does not contain tobacco particles.
  • the total weight of the filling of the outer pouch is in the range of from 0.3 g to 1.3 g or in the range of from 0.5 g to 0.9 g (i.e. tobacco and/or non-tobacco particles, without the inner pouch).
  • the filling of the inner pouch can comprise non-tobacco particles, aroma particles and/or tobacco particles.
  • an inner pouch can be completely or partially filled.
  • the filling of the inner pouch comprises aroma particles.
  • aroma particles are considered to be, but are not limited to, spray-dried aromas, freeze-dried aromas, aroma granules or natural hackled herbs/spices or mixtures thereof.
  • Another kind of aroma particles are capsules filled with an aroma and/or an aroma carrier, e.g. mint oil.
  • the aroma particles comprise aromatic granules (aroma granules, i.e. granules with flavour).
  • aromatic granules i.e. granules with flavour
  • Such granules can be based, e.g., on sugars, on maltodextrines or on starchs, and also on other solid carriers suitable for oral consumption.
  • Suitable granules can be produced by means of conventional processes such as extrusion, spray granulation, compression, etc.
  • the material of the granules (carrier material) can be provided with one or more than one aroma (flavourant), e.g. by blending prior to extrusion.
  • the aromas or flavourants can be natural products or synthetic products.
  • the preferred range of sizes of the granules is 0.6 mm to 5 mm, in particular 1 mm to 3 mm, wherein suitable values also depend on the shape of a granule (e.g. spherical, oval, rod-like) and on the overall size of the inner pouch.
  • At least part of the aroma particles can comprise a coating.
  • a coating has the effect of a retarded or delayed release of aroma or flavourants from the coated aroma particles.
  • the coating should dissolve, decompose or melt when moisture or an elevated temperature reaches the aroma particles so that the aromas can be released afterwards.
  • Suitable coatings can contain, e.g., fats, hardened oils, hydrocolloids, starches, carboxymethyl cellulose or mixtures or blends of such substances.
  • the desired delay may be adjusted, e.g., by the composition and/or the thickness of the coating.
  • the aroma particles of the inner pouch may also comprise natural aromatic particles, for example herbs such as mint leaf, eucalyptus, sage, herb blends, coffee powder, granulated forms of coffee powder, liquorice powder, granulated forms of liquorice powder, tea, tea blends, spices such as ginger, clove, etc., or mixtures or blends of such natural aromatic particles.
  • herbs such as mint leaf, eucalyptus, sage, herb blends, coffee powder, granulated forms of coffee powder, liquorice powder, granulated forms of liquorice powder, tea, tea blends, spices such as ginger, clove, etc., or mixtures or blends of such natural aromatic particles.
  • the total weight of the particles in the inner pouch is in the range of from 0.01 g to 0.9 g or in the range of from 0.03 g to 0.5 g or in the range of from 0.05 g to 0.3 g.
  • the amount of particles, particularly aroma particles can be adjusted using criteria like intensity of taste, size and density of the aroma particles and available space for the inner pouch.
  • the outer pouch can be designed like the pouch of a conventional snus product.
  • it comprises a fabric material, e.g. non-woven viscose.
  • Other fabric materials e.g. woven or non-woven fabrics, with natural or synthetic fibres or with regenerated cellulose other than viscose, and permeable paper materials are conceivable as well.
  • Another possibility for the material of the outer pouch is a perforated film.
  • the outer pouch is designed as a tube with sealed end sides.
  • the term "tube” is used for a shape having a closed circumferential line, like a hose or a flattened hose. At both end sides, the tube is closed.
  • the outer pouch comprises a tube made of fabric sheet material closed (in circumferential direction) by at least one longitudinal seam and having two end sides sealed by a transverse seam each.
  • the outer pouch can be made by folding a single layer of sheet material about a centre line to form a double layer, and later the edges of the double layer are sealed together, the seam opposite to the fold line being the longitudinal seam. It is also possible to start with two single sheets placed on top of each other, which are connected at two longitudinal seams and at the transverse seams. Or a tube having a longitudinal seam like a conventional cigarette paper wrapper is flattened and closed at both end sides.
  • the outer pouch can be manufactured like the pouch of a conventional snus product, and its dimensions can also be the same as or similar to the dimensions of the pouch of a conventional snus product.
  • the outer pouch is finally closed after the filling and the inner pouch (or the inner pouches) have been put into the outer pouch.
  • the inner pouch can be made from the same materials as discussed with respect to the outer pouch. Moreover, the inner pouch can be designed in the same way or in a similar way as the outer pouch.
  • the outer pouch can have typical dimensions of conventional snus pouches, e.g., in the range of from 32 mm to 38 mm in length and 12 mm to 15 mm in width for a small snus pouch and of from 32 mm to 38 mm in length and up to 25 mm in width for a large snus pouch.
  • the inner pouch is smaller than the outer pouch and can have dimensions, e.g., in the range of from 8 mm to 38 mm in length and 5 mm to 13 mm in width for a small snus pouch and of from 8 mm to 38 mm in length and 5 mm to 23 mm in width for a large snus pouch.
  • the inner pouches can be designed in the same way or in different ways. Moreover, the material and the design of the inner pouch may influence the delay period until the consumer realizes the active constituents from the particles (e.g., flavourants from the aroma particles) contained in the inner pouch.
  • the active constituents from the particles e.g., flavourants from the aroma particles
  • the inner pouch can be moveable within the outer pouch. In this case, a free motion of the inner pouch is only impeded by the filling in the outer pouch.
  • the inner pouch is fixed to the outer pouch.
  • both the outer pouch and the inner pouch can be designed as a tube with sealed end sides, as described before, wherein the respective end sides of the outer pouch and the inner pouch are aligned to each other and sealed by common transverse seams. That means, the inner pouch and the outer pouch have about the same length (measured in parallel to the longitudinal seams) so that the transverse seams of the inner pouch overlap with the transverse seams of outer pouch. In this way, e.g., the transverse seams of both the inner pouch and the outer pouch can be bonded in one step.
  • the inner pouch is fixed in the outer pouch via the transverse seams.
  • the position of the inner pouch in the outer pouch may influence the temporal development of the taste the consumer of the product experiences. If the position is closer to an edge of the outer pouch, the path of the flavourants through the filling of the outer pouch is shorter, which might result in a faster experience, compared to a position of the inner pouch closer to a centre line of the outer pouch.
  • At least one inner pouch comprises more than one compartment, e.g. compartments separated by a welded or glued seam.
  • the compartments of that inner pouch (or at least two of the compartments in case there are more than two) can comprise the same kind of filling. Alternatively, all fillings of that inner pouch can be different.
  • the outer pouch can comprise more than one compartment, e.g. compartments separated by a welded or glued seam.
  • Each compartment of the outer pouch may contain no inner pouch, one inner pouch, or more than one inner pouch.
  • the compartments of the outer pouch (or at least two of the compartments in case there are more than two) can comprise the same kind of filling. Alternatively, all fillings of the compartments of the outer pouch may be different.
  • the application of compartments may influence the taste of the product and its temporal development.
  • a further possibility is aroma applied to the inner pouch and/or the outer pouch, e.g. to the pouch material.
  • Figure 1 illustrates a first embodiment of the smokeless tobacco product, which is designated by reference numeral 1.
  • the smokeless tobacco product 1 comprises an outer pouch 2, which contains a filling 4.
  • the outer pouch 2 is made from non-woven viscose material, and the filling comprises cut tobacco particles. So far, the smokeless tobacco product 1 corresponds to a conventional snus product for oral consumption.
  • inner pouches 6 and 7 which are filled with aromatic granules 8 and herbs 9, which serve as aroma particles.
  • the inner pouches 6 and 7 are also made from non-woven viscose.
  • the outer pouch 2 is manufactured from a single layer of viscose material, which is folded about a fold line 10, which results in a double layer. This double layer is sealed along a longitudinal seam 12 (hatched) and two transverse seams 14 (at the end sides; hatched) by means of an edible glue or by means of welding.
  • the inner pouches 6 and 7 are each made from a tube of non-woven viscose, in which a longitudinal seam (not shown in Figure 1 ) is designed like the longitudinal seam in a conventional cigarette paper wrapper. At the end sides, the inner pouches 6 and 7 are closed by means of glued or welded transverse seams 16 (hatched).
  • the inner pouches 6 and 7 as well as the filling 4 are put into the outer pouch 2 before the outer pouch 2 is finally closed.
  • the inner pouches 6 and 7 can freely move within the outer pouch 2, but any movement is largely impeded by the filling 4.
  • FIG. 2 shows another embodiment of the smokeless tobacco product, which is designated by reference numeral 20.
  • the smokeless tobacco product 20 comprises an outer pouch 22 containing a filling 24.
  • the filling 24 consists of a blend of crushed tobacco particles and vanilla husks.
  • An inner pouch 26 contains aromatic granules 28 serving as aroma particles, which are coated with a layer of fat.
  • both the outer pouch 22 and the inner pouch 26 are formed from a flattened tube in which a longitudinal seam is designed like the seam of an ordinary cigarette paper wrapper. Both tubes have about the same length.
  • the inner pouch 26 is placed in the outer pouch 22 along the centre axis of the outer pouch 22.
  • the ends of the inner pouch 26 are closed by means of transverse seam areas 30 (hatched), and the ends of the outer pouch 22 are closed by means of transverse seam areas 32 (hatched) and, again, the transverse seam areas 30.
  • an edible glue is used for sealing the seam areas 30, 32.
  • the material of the inner pouch 26 is provided with glue from both sides.
  • a consumer places the smokeless tobacco product 1 or 20 between the upper lip and the gum. Initially, the smokeless tobacco product behaves like a conventional snus product. After some time, however, when moisture and/or heat have reached the inner pouch, the flavourants in the aroma particles are released and penetrate the walls of the inner pouch and the outer pouch so that they can be perceived by the consumer. In the smokeless tobacco product 20, the granules 28 are coated with fat. The fat melts when warming up in the consumer's mouth so that the flavourants of the granules 28 are released after some delay.
  • the inner pouch(es) and/or the outer pouch of the smokeless tobacco product are divided into more than one compartment, i.e. by means of transversal seams.
  • the compartments of the inner pouch(es) can contain the same filling or different fillings.
  • the compartments of the outer pouch can contain the same filling or different fillings.
  • the compartments provide an additional means for designing the taste of the product and to influence the temporal development of its effect.
  • the smokeless tobacco product comprises one inner pouch.
  • the outer pouch is filled with 0.5 g of a tobacco blend, e.g. a conventional snus tobacco, and the inner pouch is filled with 0.2 g of strawberry-flavoured granulate, wherein the granules are based on a maltodextrine.
  • a tobacco blend e.g. a conventional snus tobacco
  • the inner pouch is filled with 0.2 g of strawberry-flavoured granulate, wherein the granules are based on a maltodextrine.
  • the outer pouch is filled with 0.5 g of a tobacco blend plus 0.2 g of mint leaf
  • the inner pouch is filled with 0.2 g of mint-flavoured granules.
  • the outer pouch is filled with 0.6 g of a tobacco blend
  • the inner pouch is filled with 0.3 g of a mix of spices (salt/pepper/rosemary).
  • the outer pouch is filled with 0.5 g of a tobacco blend plus 0.15 g of granulated coffee
  • the inner pouch is filled with 0.3 g of microcapsules or capsules filled with water, as known in the art.
  • a water-soluble flavourant can be added to the water, but a filling with plain water is conceivable as well. In the latter case, the water can serve to moisture the contents of the outer pouch when the shells of the capsules are broken.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Tobacco Products (AREA)
EP12007639.3A 2012-11-09 2012-11-09 Produit de tabac sans fumée Withdrawn EP2730181A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP12007639.3A EP2730181A1 (fr) 2012-11-09 2012-11-09 Produit de tabac sans fumée
US14/074,128 US20140130813A1 (en) 2012-11-09 2013-11-07 Smokeless tobacco product
CA2832889A CA2832889A1 (fr) 2012-11-09 2013-11-07 Produit de tabac sans fumee

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12007639.3A EP2730181A1 (fr) 2012-11-09 2012-11-09 Produit de tabac sans fumée

Publications (1)

Publication Number Publication Date
EP2730181A1 true EP2730181A1 (fr) 2014-05-14

Family

ID=47278050

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12007639.3A Withdrawn EP2730181A1 (fr) 2012-11-09 2012-11-09 Produit de tabac sans fumée

Country Status (3)

Country Link
US (1) US20140130813A1 (fr)
EP (1) EP2730181A1 (fr)
CA (1) CA2832889A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019034872A1 (fr) * 2017-08-16 2019-02-21 British American Tobacco (Investments) Limited Système d'arôme
EP4018847A1 (fr) * 2020-12-22 2022-06-29 Swedish Match North Europe AB Produit à usage oral en sachet

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD784605S1 (en) * 2012-07-30 2017-04-18 British American Tobacco (Investments) Limited Tobacco pouch fleece
GB2504495A (en) 2012-07-30 2014-02-05 British American Tobacco Co Fleece for smokeless tobacco pouch
USD732732S1 (en) * 2012-07-30 2015-06-23 British American Tobacco (Investments) Limited Tobacco pouch
USD837447S1 (en) * 2015-04-17 2019-01-01 Swedish Match North Europe Ab Oral snuff package
CA168414S (en) * 2015-12-02 2017-02-14 Swedish Match North Europe Ab Snuff pouch
US11717017B2 (en) 2017-04-24 2023-08-08 Swedish Match North Europe Ab Flavoured moist oral pouched nicotine product comprising triglyceride
US11672862B2 (en) 2019-12-09 2023-06-13 Nicoventures Trading Limited Oral products with reduced irritation
US11969502B2 (en) 2019-12-09 2024-04-30 Nicoventures Trading Limited Oral products
US11826462B2 (en) 2019-12-09 2023-11-28 Nicoventures Trading Limited Oral product with sustained flavor release
US11872231B2 (en) 2019-12-09 2024-01-16 Nicoventures Trading Limited Moist oral product comprising an active ingredient
CA3160750A1 (fr) 2019-12-09 2021-06-17 Anthony Richard Gerardi Produit a usage oral comprenant un cannabinoide
US11617744B2 (en) 2019-12-09 2023-04-04 Nico Ventures Trading Limited Moist oral compositions
US11883527B2 (en) 2019-12-09 2024-01-30 Nicoventures Trading Limited Oral composition and method of manufacture
US11793230B2 (en) 2019-12-09 2023-10-24 Nicoventures Trading Limited Oral products with improved binding of active ingredients
US11889856B2 (en) 2019-12-09 2024-02-06 Nicoventures Trading Limited Oral foam composition
US11839602B2 (en) 2020-11-25 2023-12-12 Nicoventures Trading Limited Oral cannabinoid product with lipid component

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WO2007037962A1 (fr) * 2005-09-22 2007-04-05 R.J. Reynolds Tobacco Company Composition de tabac qui ne se fume pas
US20070095356A1 (en) 2005-04-29 2007-05-03 Philip Morris Usa Inc. Non-tobacco pouch product
US20090004329A1 (en) * 2007-06-08 2009-01-01 Philip Morris Usa Inc. Chewable pouch for flavored product delivery
US20100018541A1 (en) 2008-07-28 2010-01-28 Anthony Richard Gerardi Smokeless tobacco products and processes
WO2010014506A2 (fr) 2008-07-28 2010-02-04 R.J. Reynolds Tobacco Company Produits du tabac sans fumée et procédés
WO2011093304A1 (fr) * 2010-01-28 2011-08-04 日本たばこ産業株式会社 Produit de tabac unitaire
EP2449894A1 (fr) 2009-07-02 2012-05-09 Japan Tobacco, Inc. Produit de tabac destiné à être utilisé dans la cavité orale

Family Cites Families (4)

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Publication number Priority date Publication date Assignee Title
US7861728B2 (en) * 2006-02-10 2011-01-04 R.J. Reynolds Tobacco Company Smokeless tobacco composition having an outer and inner pouch
US7810507B2 (en) * 2006-02-10 2010-10-12 R. J. Reynolds Tobacco Company Smokeless tobacco composition
GB201015216D0 (en) * 2010-09-13 2010-10-27 British American Tobacco Co Smokeless oral product
US11944114B2 (en) * 2012-06-20 2024-04-02 Altria Client Services Llc Smokeless tobacco lipid granules

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070095356A1 (en) 2005-04-29 2007-05-03 Philip Morris Usa Inc. Non-tobacco pouch product
WO2007037962A1 (fr) * 2005-09-22 2007-04-05 R.J. Reynolds Tobacco Company Composition de tabac qui ne se fume pas
US20090004329A1 (en) * 2007-06-08 2009-01-01 Philip Morris Usa Inc. Chewable pouch for flavored product delivery
US20100018541A1 (en) 2008-07-28 2010-01-28 Anthony Richard Gerardi Smokeless tobacco products and processes
WO2010014506A2 (fr) 2008-07-28 2010-02-04 R.J. Reynolds Tobacco Company Produits du tabac sans fumée et procédés
EP2449894A1 (fr) 2009-07-02 2012-05-09 Japan Tobacco, Inc. Produit de tabac destiné à être utilisé dans la cavité orale
WO2011093304A1 (fr) * 2010-01-28 2011-08-04 日本たばこ産業株式会社 Produit de tabac unitaire
EP2529634A1 (fr) * 2010-01-28 2012-12-05 Japan Tobacco, Inc. Produit de tabac unitaire

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019034872A1 (fr) * 2017-08-16 2019-02-21 British American Tobacco (Investments) Limited Système d'arôme
CN110944528A (zh) * 2017-08-16 2020-03-31 英美烟草(投资)有限公司 香味系统
RU2728645C1 (ru) * 2017-08-16 2020-07-30 Бритиш Америкэн Тобэкко (Инвестментс) Лимитед Ароматизирующая система
US11576429B2 (en) 2017-08-16 2023-02-14 British American Tobacco (Investments) Limited Flavour system
EP4018847A1 (fr) * 2020-12-22 2022-06-29 Swedish Match North Europe AB Produit à usage oral en sachet
WO2022136340A1 (fr) * 2020-12-22 2022-06-30 Swedish Match North Europe Ab Produit en sachet pour un usage oral

Also Published As

Publication number Publication date
US20140130813A1 (en) 2014-05-15
CA2832889A1 (fr) 2014-05-09

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