EP4338606A1 - Flavor sheet comprising activated carbon, filter comprising same, and smoking product - Google Patents

Flavor sheet comprising activated carbon, filter comprising same, and smoking product Download PDF

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Publication number
EP4338606A1
EP4338606A1 EP23764550.2A EP23764550A EP4338606A1 EP 4338606 A1 EP4338606 A1 EP 4338606A1 EP 23764550 A EP23764550 A EP 23764550A EP 4338606 A1 EP4338606 A1 EP 4338606A1
Authority
EP
European Patent Office
Prior art keywords
sheet
flavored
cellulose
activated carbon
flavored sheet
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
EP23764550.2A
Other languages
German (de)
English (en)
French (fr)
Inventor
Dong Hyun Kim
Kyung Bin Jung
Ick Joong KIM
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.)
KT&G Corp
Original Assignee
KT&G Corp
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 KT&G Corp filed Critical KT&G Corp
Publication of EP4338606A1 publication Critical patent/EP4338606A1/en
Pending legal-status Critical Current

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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
    • A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
    • A24D3/163—Carbon
    • 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
    • A24D3/02—Manufacture of tobacco smoke filters
    • 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
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • 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
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
    • 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
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
    • A24B15/302—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by natural substances obtained from animals or plants
    • A24B15/303—Plant extracts other than tobacco
    • 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
    • A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
    • A24D1/045—Cigars; Cigarettes with mouthpieces or filter-tips with smoke filter means
    • 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
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
    • A24D3/0212—Applying additives to filter materials
    • 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
    • A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • 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
    • A24D3/16—Use of materials for tobacco smoke filters of inorganic materials

Definitions

  • the present disclosure relates to a flavored sheet including activated carbon, and a filter and a smoking article that each include the flavored sheet.
  • tobacco refers to a perennial plant belonging to the Solanaceae of the dicotyledonous plant order, and recently, also collectively refers to a product manufactured for the purpose of smoking in which leaves of tobacco are wrapped with cigarette paper and a filter portion is formed at one side.
  • leaves of tobacco are wrapped with cigarette paper and a filter portion is formed at one side.
  • filters portion is formed at one side.
  • an existing flavored sheet has an issue in that a flavor component is released from the sheet due to a heat source when the flavored sheet in a prepared solution is dried, and has a disadvantage in that a fragrance is not uniformly sensed during smoking because the fragrance is rapidly released in an early stage of the smoking and the amount of the fragrance is theoretically reduced in comparison to added fragrance in a later stage of the smoking.
  • an aspect of the present disclosure is to provide a flavored sheet that may prevent a flavor component from being released out of the flavored sheet as much as possible when the flavored sheet is dried and heated, by applying activated carbon that is a porous material with a large surface area and strong adsorption power, and that may more sustainedly release a fragrance even when the temperature is applied in a smoking process, and to provide a filter and a smoking article that each include the flavored sheet.
  • a flavored sheet including a flavor component and activated carbon.
  • the flavor component may be included in an amount of 10 to 40% by weight (wt%) based on a weight of the flavored sheet, and the flavored sheet may have an enhanced fragrance retention.
  • a smoking article filter including one or more segments.
  • At least one of the one or more segments may include a flavored sheet.
  • a smoking article including a tobacco medium portion and a filter portion.
  • the filter portion may include a flavored sheet including a flavor component and activated carbon.
  • the flavor component may be included in an amount of 10 to 40% by weight (wt%) based on a weight of the flavored sheet.
  • a method of manufacturing a flavored sheet According to another aspect of the present disclosure, there is provided a method of manufacturing a flavored sheet.
  • the method includes:
  • a larger amount of fragrance may be released in an early stage of smoking in comparison to an existing smoking article, and the fragrance may more slowly decrease in a later stage of smoking, so that an effect of sustainedly releasing the fragrance may be shown.
  • the flavored sheet according to an aspect of the present disclosure may retain a larger amount of fragrance due to a reduction in an amount of perfume components released due to a heat source in a manufacturing process thereof and may allow a smoker to feel the fragrance more strongly, to be excellent in the flavoring efficiency.
  • terms such as first, second, A, B, (a), (b), and the like may be used to describe components of the embodiments. These terms are used only for the purpose of discriminating one component from another component, and the nature, the sequences, or the orders of the components are not limited by the terms.
  • a component which has the same common function as a component included in any one embodiment, will be described by using the same name in other embodiments. Unless otherwise mentioned, the descriptions on the embodiments may be applicable to the following embodiments and thus, duplicated descriptions will be omitted for conciseness.
  • a "smoking article” refers to an article capable of generating an aerosol, such as tobacco (cigarettes), cigar, and the like.
  • the smoking article may include an aerosol generating material, or an aerosol forming substrate.
  • the smoking article may include a solid material based on tobacco raw materials such as a reconstituted tobacco sheet, cut tobacco leaves, reconstituted tobacco, and the like.
  • a smoking material may include a volatile compound.
  • upstream or “upstream direction” refers to a direction away from a mouth of a user puffing a smoking article
  • downstream refers to a direction toward the mouth of the user puffing the smoking article.
  • a tobacco medium portion 10 is disposed upstream or in the upstream direction of a filter portion 20.
  • the term "aerosol generating system” may refer to a device that generates an aerosol using an aerosol forming material to generate an aerosol that may be inhaled through the mouth of a user directly to the lungs of the user.
  • the aerosol generating system may be a non-combustion-type tobacco article that indirectly performs heating using electrical energy rather than direct combustion, and the non-combustion-type tobacco article may include a heating type tobacco article and a non-heating type tobacco article.
  • a heating type tobacco article may desirably be used.
  • the heating type tobacco article may be an article that allows smoking to be performed by generating an aerosol by sucking surrounding air heated with electrical energy so that a user inhales the aerosol and then exhales.
  • a hybrid type aerosol generating device using both a liquid cartridge and a cigarette may be included, and various types of aerosol generating devices may be further included, and thus the scope of the present disclosure is not limited to the examples described above.
  • a flavored sheet including a flavor component and activated carbon.
  • the flavor component may be included in an amount of 10 to 40% by weight (wt%) based on a weight of the flavored sheet, and the flavored sheet may have an enhanced fragrance retention.
  • flavor component all components capable of imparting a flavor and/or flavor characteristics or enhancing a flavor and taste of smoking and applicable to a smoking article, and the like may be applied without particular limitation.
  • specific examples thereof may include at least one selected from a group consisting of rosemary, eucalyptol, licorice, sucrose, fructose syrup, isosweet, cocoa, lavender, cinnamon, cardamom, celery, fenugreek, cascarilla, white sandalwood, bergamot, geranium, honey essence, rose oil, vanilla, lemon oil, orange oil, mint oil, mandarin oil, catechin, grapefruit, caraway, cognac, jasmine, cacao, menthol, cinnamon, ylang-ylang, salvia, spearmint, ginger, coriander and coffee.
  • the flavor component may be included in the amount of 10% to 40 wt% as described above, or in an amount of 10 to 30 wt% and in an amount of 10 to 20 wt%, based on the weight of the flavored sheet.
  • the flavor component may be applied at a high concentration, and an intensity of a fragrance and/or flavor may also be controlled based on a concentration of a flavor component to be added.
  • the amount of the flavor component is less than 10 wt%, the degree to which the flavor component is perceived during smoking may be reduced due to a slight flavoring effect, and it may be difficult to expect a great effect due to the activated carbon.
  • the amount of the flavor component exceeds 40 wt%, when a prepared solution of the flavored sheet is dried, a complete sheet may not be generated due to poor physical properties of the sheet. Due to limitations in an amount of collectible flavor components of the sheet and introduced activated carbon, the degree of expression of the flavor component may be relatively strong in the initial puff during smoking and may then rapidly decrease, which may result in a great difference in the degree of perception of a fragrance during overall smoking.
  • adding of an appropriate amount of flavor components e.g., an amount of 10 to 40 wt% based on the weight of the flavored sheet
  • adding of an appropriate amount of flavor components e.g., an amount of 10 to 40 wt% based on the weight of the flavored sheet
  • the flavored sheet may include activated carbon in addition to the flavor component, and the activated carbon may desirably be included in an amount of 1 to 10 wt% based on the weight of the flavored sheet. Since an existing flavored sheet has a problem in that a flavor component is lost to the outside of the sheet due to a heat source when the sheet is dried in a manufacturing process thereof, the present inventors add a predetermined amount of activated carbon, which is a porous material with a large surface area and strong adsorption in a manufacturing of a flavored sheet, to prevent the flavor component from being released out of the flavored sheet and to allow a fragrance to continue to be released even in a later stage of smoking, so that the fragrance retention may be enhanced.
  • the amount of activated carbon when the amount of activated carbon is less than 1 wt% based on the weight of the flavored sheet, it may be difficult to obtain excellent fragrance retention due to an insignificant effect of adding activated carbon.
  • the amount of activated carbon exceeds 10 wt%, a shape of the flavored sheet may be shrunk, as shown in FIG. 4 , in comparison to a flavored sheet including activated carbon in an amount of 10 wt% or less, and accordingly, it may be difficult for the flavored sheet to function as a sheet included in a smoking article filter.
  • the flavored sheet according to an embodiment of the present disclosure may be formed of a binder material that provides a polymer matrix capable of retaining the flavor component, being flexible, and forming a shape of a sheet.
  • the flavored sheet may include a cellulose-based polymer.
  • Types of the cellulose-based polymer may include, for example, at least one selected from a group consisting of methyl cellulose, ethyl cellulose, carboxymethyl cellulose, carboxyethyl cellulose, hydroxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropylmethyl cellulose, hydroxyethylmethyl cellulose, and agar, and may desirably correspond to methylcellulose (MC) and/or hydroxypropylmethyl cellulose (HPMC).
  • MC methylcellulose
  • HPMC hydroxypropylmethyl cellulose
  • the cellulose-based polymer constituting the flavored sheet may be included in an amount of about 20 to 60 wt% based on the weight of the flavored sheet.
  • the amount of the cellulose-based polymer is less than 20 wt%, it may be difficult to form a sheet itself.
  • the amount of the cellulose-based polymer exceeds 60 wt%, a phenomenon in which a manufactured sheet is broken or cracked may occur, so that a fragrance of a flavor component in the sheet may not be easily expressed, and it may be difficult to obtain enhanced fragrance retention.
  • an increase in the amount of the cellulose-based polymer in the sheet may also lead to a decrease in an amount of other flavor components, and accordingly the degree of expression of a fragrance may decrease.
  • the flavored sheet according to an embodiment of the present disclosure may include a plasticizer, a bulking agent, other additives, and the like within the scope that does not impair the effects of the present disclosure.
  • the plasticizer may include glycerin, propylene glycol (PG), and the like
  • the bulking agent may include, for example, dextrin, and the like.
  • the flavored sheet according to an embodiment of the present disclosure may have a thickness of about 1 millimeter (mm) or less, for example, a thickness of 0.1 to 1 mm, 0.2 mm to 0.8 mm, or 0.3 to 0.5 mm.
  • the thickness of the flavored sheet exceeds 1 mm, the fragrance of the flavor component in the flavored sheet may not be easily expressed due to a thick thickness, and it may be difficult to use the flavored sheet in a smoking article filter because it is difficult to realize characteristics of the sheet.
  • the flavored sheet may include multiple layers as well as a single layer.
  • a smoking article filter including one or more segments is provided.
  • At least one of the one or more segments may include a flavored sheet.
  • the smoking article filter according to an embodiment of the present disclosure may include a cooling filter as one of a plurality of segments, and the cooling filter may correspond to, for example, a paper tube filter.
  • the flavored sheet may be included in the paper tube. More specifically, the flavored sheet may be disposed on an inner surface or an outer surface of the paper tube to simultaneously exhibit a cooling effect and a fragrance expression effect.
  • the smoking article filter may also include a tube filter, or a cellulose acetate filter having a porous matrix structure.
  • a smoking article including a tobacco medium portion and a filter portion is provided.
  • the filter portion may include a flavored sheet including a flavor component and activated carbon.
  • the flavor component may be included in an amount of 10 to 40 wt% based on a weight of the flavored sheet.
  • the activated carbon may be included in an amount of 1 to 10 wt% based on the weight of the flavored sheet, and the smoking article may correspond to a combustion-type cigarette or a non-combustion-type electronic cigarette.
  • a method of manufacturing a flavored sheet is provided.
  • the method includes:
  • the drying may be performed, for example, at a temperature of 40 to 60°C, desirably 50°C, in addition to a temperature of 40 to 70°C.
  • the flavored sheet in the above-described smoking article filter, the above-described smoking article, and the above-described method of manufacturing the flavored sheet may be regarded as substantially the same as the flavored sheet that has been described in detail above, and further description thereof is omitted to avoid repetition.
  • Example 1 Manufacturing of Menthol Sheet containing Activated Carbon
  • the present inventors conducted experiments by the following methods 1) to 5) to prepare a flavored sheet.
  • step 4) An appropriate amount of the solutions mixed in step 4) was poured onto release paper, the prepared solution was thinly pushed with an applicator, put into an oven, and then dried at about 50°C for about 1 hour, to obtain a menthol flavored sheet containing activated carbon.
  • the present inventors obtained a menthol sheet in the same manner as in Example 1 (method of manufacturing a menthol sheet containing activated carbon), except that activated carbon was not added.
  • Example 1 Each of the flavored sheets prepared in Example 1 and Comparative Example 1 was heated "20" times using solid phase microextraction-gas chromatography/mass spectrometry (SPME-GC/MS), to confirm the degree to which menthol is released, and the results are shown in FIG. 1 .
  • SPME-GC/MS solid phase microextraction-gas chromatography/mass spectrometry
  • Example 1 exhibits a tendency that an amount of menthol released in the early stage is greater than that of the menthol sheet of Comparative Example 1 to which activated carbon was not added and continues to slowly decrease in the later stage.
  • the menthol sheet to which activated carbon was added exhibits an effect of preventing menthol from being released out of a sheet due to a heat source during drying of the prepared solution in a sheet manufacturing process, and thus, it may be expected that a large amount of menthol may be retained and that a smoker can more strongly feel a fragrance in the early stage of smoking due to the activated carbon if the menthol sheet is used as a flavored sheet.
  • the menthol sheets containing 5 wt%, 10 wt%, and 15 wt% of activated carbon, respectively, based on the weight of the flavored sheet (solid content) were manufactured using the method of Example 1, and the results are shown in FIGS. 2 to 4 .
  • a shape of a sheet ( FIG. 4 ) to which 15 wt% of activated carbon was added is greatly shrunk in comparison to sheets ( FIGS. 2 and/or 3) to which 5 wt% and/or 10 wt% of activated carbon were added, which may indicate that if the amount of activated carbon exceeds 10 wt% and increases, the amount of other solid contents such as cellulose and dextrin decreases, and accordingly, the shape of the sheet is not complete. In other words, it can be found that adding of 10 wt% or less of activated carbon is desirable in the manufacturing of a flavored sheet.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Botany (AREA)
  • Inorganic Chemistry (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
EP23764550.2A 2022-07-26 2023-06-01 Flavor sheet comprising activated carbon, filter comprising same, and smoking product Pending EP4338606A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020220092547A KR20240014863A (ko) 2022-07-26 2022-07-26 활성탄을 포함한 가향 시트, 이를 포함하는 필터 및 흡연 물품
PCT/KR2023/007484 WO2024025121A1 (ko) 2022-07-26 2023-06-01 활성탄을 포함한 가향 시트, 이를 포함하는 필터 및 흡연 물품

Publications (1)

Publication Number Publication Date
EP4338606A1 true EP4338606A1 (en) 2024-03-20

Family

ID=88018128

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23764550.2A Pending EP4338606A1 (en) 2022-07-26 2023-06-01 Flavor sheet comprising activated carbon, filter comprising same, and smoking product

Country Status (4)

Country Link
EP (1) EP4338606A1 (ko)
KR (1) KR20240014863A (ko)
CN (1) CN117769363A (ko)
WO (1) WO2024025121A1 (ko)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8157918B2 (en) * 2005-09-30 2012-04-17 Philip Morris Usa Inc. Menthol cigarette
US20070267033A1 (en) * 2006-02-09 2007-11-22 Philip Morris Usa Inc. Gamma cyclodextrin flavoring-release additives
EP2462820A1 (en) * 2010-12-10 2012-06-13 Philip Morris Products S.A. Smoking article having outer wrapper with cut-out portion
CN109414071A (zh) * 2016-07-01 2019-03-01 日本烟草产业株式会社 香味吸入器及燃烧式热源的制造方法
CN109691697B (zh) * 2019-03-01 2021-07-30 南通醋酸纤维有限公司 一种气溶胶生成制品、制备方法及应用

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KR20240014863A (ko) 2024-02-02
WO2024025121A1 (ko) 2024-02-01
CN117769363A (zh) 2024-03-26

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