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WO2025141090A1 - Élément de bout-filtre - Google Patents

Élément de bout-filtre Download PDF

Info

Publication number
WO2025141090A1
WO2025141090A1 PCT/EP2024/088470 EP2024088470W WO2025141090A1 WO 2025141090 A1 WO2025141090 A1 WO 2025141090A1 EP 2024088470 W EP2024088470 W EP 2024088470W WO 2025141090 A1 WO2025141090 A1 WO 2025141090A1
Authority
WO
WIPO (PCT)
Prior art keywords
plug element
aerosol
barrier layer
fibres
paper
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.)
Pending
Application number
PCT/EP2024/088470
Other languages
English (en)
Inventor
Alen Kadiric
Stefanos PAPAKYRILLOU
Margherita Montanari
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
Publication of WO2025141090A1 publication Critical patent/WO2025141090A1/fr
Pending 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
    • A24D3/06—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
    • 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
    • A24D3/062—Use of materials for tobacco smoke filters characterised by structural features
    • 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
    • A24D3/067—Use of materials for tobacco smoke filters characterised by functional properties
    • A24D3/068—Biodegradable or disintegrable
    • 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
    • A24D3/14—Use of materials for tobacco smoke filters of organic materials as additive
    • 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

Definitions

  • the present disclosure relates to a plug element.
  • the present disclosure also relates to an aerosol-generating article comprising a plug element.
  • Aerosol-generating articles in which an aerosol-generating substrate comprising aerosolgenerating material, such as a tobacco-containing material, is heated rather than combusted are known in the art.
  • an aerosol is generated by the transfer of heat from a heat source to a physically separate aerosol-generating substrate.
  • volatile compounds are released from the aerosol-generating substrate by heat transfer from the heat source to the aerosol-generating substrate and are entrained in air drawn through the aerosolgenerating article. As the released compounds cool, they condense to form an aerosol that is inhaled by the user.
  • heated aerosol-generating article commonly referred to as a heat-not- burn tobacco product or heated tobacco product, comprises a solid aerosol-generating substrate comprising tobacco material, which is heated to produce an inhalable aerosol.
  • a number of handheld aerosol-generating devices configured to heat aerosol-generating substrates of heated aerosol-generating articles are known in the art. These include electrically- operated aerosol-generating devices in which an aerosol is generated by the transfer of heat from one or more electrical heating elements of the aerosol-generating device to the aerosolgenerating substrate of the heated aerosol-generating article.
  • Known handheld electrically operated aerosol-generating devices typically comprise a battery, control electronics and one or more electrical heating elements for heating the aerosol-generating substrate of a heated aerosolgenerating article designed specifically for use with the aerosol-generating device.
  • Some known electrically heated aerosol-generating devices comprise an internal heating element that is configured to be inserted into the aerosol-generating substrate of a heated aerosol-generating article.
  • WO 2013/098410 A2 discloses an aerosol-generating system comprising an aerosol-generating article and an electrically-operated aerosol-generating device comprising a heating element in the form of a blade that is inserted into the aerosolgenerating substrate of the aerosol-generating article.
  • WO 2020/115151 A1 discloses an aerosol-generating system comprising an aerosol-generating article and an electrically-operated aerosol-generating device comprising an external heating element that circumscribes the periphery of the aerosolgenerating article.
  • WO 2015/176898 A1 discloses an aerosol-generating system comprising an aerosol-generating article comprising an elongate susceptor in thermal contact with the aerosol-generating substrate and an electrically-operated aerosol-generating device having an inductor for heating the aerosol-generating substrate.
  • the fluctuating or alternating electromagnetic field produced by the inductor induces eddy currents in the susceptor, causing the susceptor to heat up as a result of one or both of resistive losses (Joule heating) and, where the susceptor is magnetic, hysteresis loses. Heat generated in the susceptor is transferred to the aerosol-generating substrate by conduction.
  • Conventional aerosol-generating articles such as filter cigarettes, typically comprise a cylindrical rod of tobacco cut filler surrounded by a paper wrapper and a cylindrical filter axially aligned, most often in an abutting end-to-end relationship, with the wrapped tobacco rod.
  • the cylindrical filter typically comprises one or more plug elements of a fibrous filtration material, such as cellulose acetate tow, circumscribed by a paper plug wrap.
  • the wrapped tobacco rod and the filter are joined by a band of tipping wrapper, normally formed of an opaque paper material that circumscribes the entire length of the filter and an adjacent portion of the wrapped tobacco rod.
  • the filter is typically adapted for the removal of particulate and gaseous components of the mainstream smoke.
  • Aerosol-generating articles comprise one or more elements formed of a fibrous filtration material and arranged downstream of the aerosol-generating substrate.
  • aerosol-generating articles have been proposed that comprise a support element arranged immediately downstream of the aerosol-generating substrate, wherein the support element may be configured to impart structural strength to the aerosol-generating article and to resist downstream movement of the aerosol-generating substrate when the aerosol-generating substrate cooperates with the aerosol-generating device during use.
  • aerosol-generating articles have been described that comprise an aerosol-cooling element arranged downstream of the aerosol-generating substrate and configured to lower the temperature of an aerosol produced upon heating the aerosol-generating substrate prior to the aerosol reaching the mouth end of the aerosol-generating article.
  • WO 2013/120565 A2 describes an aerosol-generating article comprising an aerosol-cooling element arranged downstream of a rod of aerosolgenerating substrate.
  • the aerosol-cooling element may be formed from a sheet material, such as for example a sheet of polyethylene (PE), polypropylene (PP), polyvinylchloride (PVC), polyethylene terephthalate (PET), polylactic acid (PLA), cellulose acetate (CA), a metallic foil (like aluminium foil), paper or cardboard.
  • PE polyethylene
  • PP polypropylene
  • PVC polyvinylchloride
  • PET polyethylene terephthalate
  • PLA polylactic acid
  • CA cellulose acetate
  • metallic foil like aluminium foil
  • SLIPs single-use plastic products
  • an aerosol-generating article comprising a component that is at least partially formed of a filtration material having increased biodegradability, but which provides a filtration efficiency that is comparable to that of a cellulose acetate tow.
  • the component it would be desirable for the component to be formed of a biodegradable filtration material that can still effectively reduce or remove undesirable compounds from the aerosol generated from the substrate (for example, phenols).
  • the present disclosure relates to a plug element.
  • the present disclosure also relates to an aerosol-generating article comprising a plug element.
  • a plug element for example a plug element for use in an aerosol-generating article.
  • the plug element may include a first barrier layer; a second barrier layer; and a filtration material.
  • the filtration material may be sandwiched between the first barrier layer and the second barrier layer.
  • Each of the first barrier layer, the second barrier layer and the filtration material may include a cellulosic material.
  • the filtration material may include regenerated cellulose.
  • a plug element for use in an aerosol-generating article.
  • the plug element includes a first barrier layer; a second barrier layer; and a filtration material; wherein the filtration material is sandwiched between the first barrier layer and the second barrier layer; and wherein the filtration material comprises regenerated cellulose.
  • the plug element provides structure to aerosol-generating articles, can generate nucleation in the aerosol formed and can also restrict the movement of tobacco particles and/or susceptor elements within the aerosol-generating article.
  • the first and second barrier layers may also prevent migration and/or absorption of oil or aerosol formers on the layers of the aerosol-generating article.
  • the first barrier layer may form an outer surface of the plug element.
  • the first barrier layer may include a sheet, a film or a coating of a cellulosic or a cellulose-based material.
  • the cellulosic or cellulose-based material may be a processed paper material, for example a processed paper material selected from the group consisting of glassine paper, parchment paper and natural greaseproof paper.
  • the first barrier layer may have a grammage of between approximately 20 grams per squared metre and approximately 30 grams per squared metre.
  • the grammage of the first barrier layer may be, for example between approximately 23 grams per squared metre and approximately 28 grams per squared metre.
  • the first barrier layer may have a tensile breaking strength of between approximately 15 Newtons per 15 millimetres and approximately 20 Newtons per 15 millimetres.
  • the first barrier layer may have a thickness of between approximately 50 micrometresand approximately 85 micrometres.
  • the thickness of the first barrier layer may be, for example, between approximately 60 micrometres and approximately 80 micrometres.
  • the second barrier layer may form an inner surface of the plug element.
  • the second barrier layer may define a hollow core of the plug element.
  • the second barrier layer may include a sheet, a film or a coating.
  • the sheet, the film or the coating of the second barrier layer may include a cellulose-based material.
  • the cellulose-based material may be, for example, a processed paper, cardboard or extruded starch material.
  • the second barrier layer may have a grammage of between approximately 80 grams per squared metre and approximately 115 grams per squared metre
  • the grammage of the second barrier layer may be, for example between approximately 90 grams per squared metre and approximately 105 grams per squared metre.
  • the second barrier layer may have a thickness of between approximately 100 micrometres and approximately 160 micrometres.
  • the thickness of the second barrier layer may be, for example, between approximately 105 micrometres and approximately 145 micrometres.
  • the filtration material may be an embossed filtration material.
  • a plug element for use in an aerosol-generating article, the plug element including: a first barrier layer; a second barrier layer; and an embossed filtration material; wherein the embossed filtration material is sandwiched between the first barrier layer and the second barrier layer.
  • the filtration material may include at least one layer of regenerated cellulose material.
  • the regenerated cellulose material may be free of cellulose acetate.
  • the regenerated cellulose material may include regenerated cellulose fibres.
  • the regenerated cellulose fibres may be arranged substantially parallel to a longitudinal axis of the at least one layer of regenerated cellulose material.
  • the regenerated cellulose fibres may be selected from one or more of viscose fibres, rayon fibres, modal fibres, tencel fibres and lyocell fibres.
  • a paper material which comprises randomly oriented cellulose fibres, advantageously facilitates degradation of the plug element. This is because the randomly oriented fibres can more easily disperse after the plug element has been discarded, particularly when compared with the substantially continuous filaments of traditional cellulose acetate tow filters. Increased dispersion of the fibres increases the exposure of the individual fibres to the environment, thus increasing the rate at which the plug element degrades.
  • the processed paper material is typically in the form of a sheet, which is gathered or otherwise processed to be formed into rod-shape.
  • gathered denotes that a sheet is compressed or constricted substantially transversely relative to a longitudinal axis of the plug element.
  • Embossing adds rigidity to processed paper, and thus helps the formed rod to maintain its shape and structure during use. This is important in maintaining consistent performance of the plug element formed from an embossed sheet.
  • Custom embossing patterns may also be used for branding purposes, for example to imprint logos or other designs onto the processed paper material. Such embossed textures may also enhance the filtration properties of the material.
  • Gathering or winding the sheet of processed paper material, for example the embossed processed paper material, to form the plug element has the benefit that by adjusting the number of convolutions or how tight the sheet is gathered it is possible to ensure that the plug element displays the required resistance to mechanical deformation, such that in the aerosol-generating article the plug element can withstand being grasped by the consumer during smoking.
  • the grammage of the materials used in the plug element may be selected based on a balance between the ability of the plug element to withstand a compressive load during use, and the need to preserve a certain pliability of the sheet of processed paper material to be able to form it into a desired shape. Further, the grammage of the processed paper material may be selected such that the plug element is able to resist deformation during storage, transportation and use of the aerosol-generating article.
  • the thickness of the first and second barrier layers may be selected to ensure a certain pliability of the materials, so as to enable one or more of crimping, gathering, pleating, and folding of the materials.
  • the cellulosic filtration material for example the embossed cellulosic filtration material, does not include cellulose acetate fibres or any other fibres formed of non-biodegradable polymers.
  • the regenerated cellulose material may be free of cellulose acetate.
  • the porous fibrous material may comprise regenerated cellulose fibres.
  • the porous fibrous material may be made of regenerated cellulose fibres.
  • the regenerated cellulose fibers may be arranged substantially parallel to a longitudinal axis of the filtration material.
  • a longitudinal axis of the regenerated cellulose fibers may be arranged substantially parallel to a longitudinal axis of the filtration material.
  • Regenerated cellulose fibers may be derived from tobacco.
  • Regenerated cellulose fibers may be derived from tobacco plants stems.
  • tobacco plant stems exist largely as waste of processing tobacco plants, regenerated cellulose fibers derived from tobacco plant stems may be a sustainable source of fibers.
  • Regenerated cellulose fibers may be obtained from bamboo.
  • Regenerated cellulose fibers may be obtained from bamboo culms.
  • bamboo may be a sustainable source of fibers.
  • bamboo may be a sustainable source of fibers.
  • waste of bamboo processing materials may be used to obtain regenerated cellulosic fibers, bamboo may be a sustainable source of regenerated cellulose fibers.
  • the regenerated cellulose material may be derived from one or more of tobacco plant stems and bamboo culms.
  • Homogenization of the length of the regenerated cellulose fibers may be achieved by preparing and dissolving intermediate compounds, such as sodium xanthate or acetate derivatives, along with the regeneration of the fibers. Derivatization of the cellulose fibers may improve the solubility of the the fibers in a solvent.
  • the solvent may be aqueous or non-aqueous.
  • the cellulose structure may be transformed depending on the type of solvent, treatment conditions and the type of fibers to be obtained.
  • the porous fibrous material may be regenerated cellulose material tow.
  • the porous fibrous material may be regenerated cellulose fiber tow.
  • the porous fibrous material may comprise a bundles of regenerated cellulose fibers.
  • the fibers may be regenerated cellulose fibers selected from one or more of viscose fibers, rayon fibers, modal fibers, tencel fibers, and lyocell fibers, and any combination thereof.
  • the fibers may be preferably selected from tencel fibers and lyocell fibers.
  • Tencel fibers and lyocell fibers may be biodegradable.
  • the aerosol-generating article is formed essentially of an aerosolgenerating substrate and of a downstream element as described above provided in abutting arrangement with the rod of aerosol-generating substrate.
  • the aerosol-generating article comprises one or more additional elements also provided downstream of the aerosol-generating substrate and in axial alignment with the aerosol-generating substrate.
  • the downstream element comprising the plug element and any further element provided downstream of the aerosol-generating substrate and in axial alignment with the aerosol-generating substrate form a downstream section of the aerosolgenerating article.
  • Example EX22 The plug element of any one of examples EX1 to EX21 , wherein the second barrier layer comprises a sheet, a film or a coating.
  • Example EX24 The plug element of example EX23, wherein the cellulose-based material is a processed paper, cardboard or extruded starch material.
  • Example EX25 The plug element of any one of examples EX1 to EX24, wherein the second barrier layer has a grammage of at least 80 grams per squared metre.
  • Example EX26 The plug element of example EX25, wherein the grammage of the second barrier layer is at least 90 grams per squared metre.
  • Example EX27 The plug element of example EX25 or EX26, wherein the grammage of the second barrier layer is up to 115 grams per squared metre.
  • Example EX28 The plug element of any one of examples EX25 to EX27, wherein the grammage of the second barrier layer is up to 105 grams per squared metre.
  • Example EX29 The plug element of any one of examples EX1 to EX28, wherein the second barrier layer has a thickness of at least 100 micrometres.
  • Example EX30 The plug element of example EX29, wherein the thickness of the second barrier layer is at least 105 micrometres.
  • Example EX31 The plug element of example EX29 or EX30, wherein the thickness of the second barrier layer is up to 160 micrometres.
  • Example EX32 The plug element of any one of examples EX29 to EX31, wherein the thickness of the second barrier layer is up to 145 micrometres.
  • Example EX34 The plug element of any one of examples EX1 to EX33, wherein the filtration material is an embossed filtration material.
  • Example EX36 The plug element of example EX35, wherein the regenerated cellulose material is free of cellulose acetate.
  • Example EX37 The plug element of example EX35 or EX36, wherein the regenerated cellulose material comprises regenerated cellulose fibres.
  • Example EX38 The plug element of example EX37, wherein the regenerated cellulose fibres are arranged substantially parallel to a longitudinal axis of the at least one layer of regenerated cellulose material.
  • Example EX39 The plug element of EX37 or EX38, wherein the regenerated cellulose fibres are selected from one or more of viscose fibres, rayon fibres, modal fibres, tencel fibres and lyocell fibres.
  • Example EX42 The plug element of example EX40 or EX41 , wherein the regenerated cellulose comprises regenerated cellulose fibres.
  • Example EX43 The plug element of example EX42, wherein the regenerated cellulose fibres are arranged substantially parallel to a longitudinal axis of the blend of cellulose and regenerated cellulose.
  • Example EX44 The plug element of EX42 or EX43, wherein the regenerated cellulose fibres are selected from one or more of viscose fibres, rayon fibres, modal fibres, tencel fibres and lyocell fibres.
  • Example EX45 The plug element of any one of examples EX1 to EX44, wherein the plug element has a length of at least 5 millimetres.
  • Example EX46 The plug element of example EX45, wherein the length of the plug element is at least 7 millimetres.
  • Example EX47 The plug element of example EX45 or EX46, wherein the length of the plug element is up to 21 millimetres.
  • Example EX50 The plug element of example EX49, wherein the diameter of the plug element is at least 4 millimetres.
  • Example EX55 The plug element of any one of examples EX1 to EX54, wherein an adhesive is provided between the first barrier layer and the filtration material and/or between the filtration material and the second barrier layer.
  • Example EX56 The plug element of example EX55, wherein the adhesive is a natural adhesive.
  • Example EX57 The plug element of example EX56, wherein the natural adhesive comprises starch.
  • Example EX59 The plug element of example EX58, wherein the plug element is one or more of a filter element, a support element, an aerosol-cooling element and a mouthpiece filter element.
  • Example EX60 An aerosol-generating article comprising an aerosol-generating substrate and the plug element of any one of examples EX1 to EX59, wherein the plug element is positioned downstream of the aerosol-generating substrate.
  • the plug element 100 is generally cylindrical and has a diameter 108.
  • the diameter 108 of the plug element 100 may be, for example between approximately 3 millimetres and approximately 10 millimetres.
  • the generally cylindrical plug element 100 has an outer surface 110.
  • the plug element 100 also has an inner surface 114, which is formed by a second barrier layer 116.
  • the second barrier layer 116 is also a sheet of a cellulose-based material, which may be, for example a cardboard or extruded starch material.
  • the first barrier layer 112 has a thickness 122 and the second barrier layer 116 has a thickness 124.
  • the thickness 122 of the first barrier layer 112 may be between approximately 50 micrometres and approximately 85 micrometres.
  • the thickness 124 of the second barrier layer 116 may be between approximately 100 micrometres and approximately 160 micrometres.
  • the resulting material may be rolled to form a cylinder.
  • the cylinder is cut into lengths 106 to form plug elements 100.
  • An embossed filtration material may be prepared as follows.
  • an appropriate type of paper including a plurality of regenerated cellulose fibres 202 for example one or more of viscose fibres, rayon fibres, modal fibres, tencel fibres and lyocell fibres that can withstand the embossing process and meet the desired filtration specifications, is selected.
  • the prepared paper is fed through embossing rollers.
  • Thes embossing rollers have engraved patterns that press into the paper, creating the desired texture.
  • the patterns can vary depending on the specific requirements of the filter rod.
  • embossing involves creating raised or recessed designs on the paper surface. This is achieved by pressing the paper between two dies, one with a raised pattern and the other with a corresponding recessed pattern. Embossing can be used to create specific textures or patterns that may influence the airflow and filtration properties.
  • the embossing pattern may be, for example, selected according to the requirements of the filter, for example characteristics of the filter performance.
  • a diamond pattern for example, results in an increased surface area as well as enhanced structural integrity, making it ideal for high-efficiency filtration.
  • a wave pattern beneficially enables airflow to be controlled and can enhance the absorption capacity of the filter.
  • a wave pattern may, for example, be employed in applications where smooth airflow is desirable.
  • a custom embossing pattern for example including a logo or other texture, may also be used for branding purposes, as well as to enhance filtration properties.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

L'invention concerne un élément de bout-filtre (100) destiné à être utilisé dans un article de génération d'aérosol (300). L'élément de bout-filtre comprend : une première couche barrière (112) ; une seconde couche barrière (116) ; et un matériau filtrant gaufré (120). Le matériau filtrant gaufré est pris en sandwich entre la première couche barrière et la seconde couche barrière et comprend de la cellulose régénérée.
PCT/EP2024/088470 2023-12-27 2024-12-24 Élément de bout-filtre Pending WO2025141090A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP23386141.8 2023-12-27
EP23386141 2023-12-27

Publications (1)

Publication Number Publication Date
WO2025141090A1 true WO2025141090A1 (fr) 2025-07-03

Family

ID=89573363

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2024/088470 Pending WO2025141090A1 (fr) 2023-12-27 2024-12-24 Élément de bout-filtre

Country Status (1)

Country Link
WO (1) WO2025141090A1 (fr)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1334843A (en) 1918-02-28 1920-03-23 Dagnall Walter Process of manufacturing parchment-paper
GB433048A (en) 1934-02-08 1935-08-08 Herbert Southerden Burn Improvements in or relating to the manufacture of cigarettes
US2792765A (en) 1954-03-12 1957-05-21 Riegel Paper Corp Manufacture of glassine and greaseproof papers
US3238852A (en) 1954-10-05 1966-03-08 Olin Mathieson Method and apparatus for making filters
US5979460A (en) * 1995-05-31 1999-11-09 Daicel Chemical Industries, Inc. Method of producing tobacco filters
WO2013098410A2 (fr) 2011-12-30 2013-07-04 Philip Morris Products S.A. Article à fumer comprenant un bouchon avant et procédé
WO2013120565A2 (fr) 2012-02-13 2013-08-22 Philip Morris Products S.A. Article produisant un aérosol ayant un élément de refroidissement d'aérosol
WO2015176898A1 (fr) 2014-05-21 2015-11-26 Philip Morris Products S.A. Article produisant un aérosol avec suscepteur interne
EP2740370B1 (fr) * 2011-08-05 2016-04-20 Japan Tobacco Inc. Cigarette
EP3391758A1 (fr) * 2015-12-18 2018-10-24 Japan Tobacco Inc. Produit à fumer et filtre
WO2020115151A1 (fr) 2018-12-06 2020-06-11 Philip Morris Products S.A. Article de génération d'aérosol avec un contenu de générateur d'aérosol élevé
WO2023067146A1 (fr) * 2021-10-22 2023-04-27 Essentra Filter Products Development Co. Pte. Ltd. Tube en papier
WO2023079165A1 (fr) * 2021-11-08 2023-05-11 Essentra Filter Products Development Co. Pte. Ltd Papier actif
WO2023126504A2 (fr) * 2021-12-29 2023-07-06 Nicoventures Trading Limited Composant pour un système de distribution et procédé et appareil de fabrication d'un composant pour un système de distribution

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1334843A (en) 1918-02-28 1920-03-23 Dagnall Walter Process of manufacturing parchment-paper
GB433048A (en) 1934-02-08 1935-08-08 Herbert Southerden Burn Improvements in or relating to the manufacture of cigarettes
US2792765A (en) 1954-03-12 1957-05-21 Riegel Paper Corp Manufacture of glassine and greaseproof papers
US3238852A (en) 1954-10-05 1966-03-08 Olin Mathieson Method and apparatus for making filters
US5979460A (en) * 1995-05-31 1999-11-09 Daicel Chemical Industries, Inc. Method of producing tobacco filters
EP2740370B1 (fr) * 2011-08-05 2016-04-20 Japan Tobacco Inc. Cigarette
WO2013098410A2 (fr) 2011-12-30 2013-07-04 Philip Morris Products S.A. Article à fumer comprenant un bouchon avant et procédé
WO2013120565A2 (fr) 2012-02-13 2013-08-22 Philip Morris Products S.A. Article produisant un aérosol ayant un élément de refroidissement d'aérosol
WO2015176898A1 (fr) 2014-05-21 2015-11-26 Philip Morris Products S.A. Article produisant un aérosol avec suscepteur interne
EP3391758A1 (fr) * 2015-12-18 2018-10-24 Japan Tobacco Inc. Produit à fumer et filtre
WO2020115151A1 (fr) 2018-12-06 2020-06-11 Philip Morris Products S.A. Article de génération d'aérosol avec un contenu de générateur d'aérosol élevé
WO2023067146A1 (fr) * 2021-10-22 2023-04-27 Essentra Filter Products Development Co. Pte. Ltd. Tube en papier
WO2023079165A1 (fr) * 2021-11-08 2023-05-11 Essentra Filter Products Development Co. Pte. Ltd Papier actif
WO2023126504A2 (fr) * 2021-12-29 2023-07-06 Nicoventures Trading Limited Composant pour un système de distribution et procédé et appareil de fabrication d'un composant pour un système de distribution

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