CA2798042C - Filter additive - Google Patents

Filter additive Download PDF

Info

Publication number
CA2798042C
CA2798042C CA2798042A CA2798042A CA2798042C CA 2798042 C CA2798042 C CA 2798042C CA 2798042 A CA2798042 A CA 2798042A CA 2798042 A CA2798042 A CA 2798042A CA 2798042 C CA2798042 C CA 2798042C
Authority
CA
Canada
Prior art keywords
filter
additive
filter element
sheet
filter material
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.)
Expired - Fee Related
Application number
CA2798042A
Other languages
English (en)
French (fr)
Other versions
CA2798042A1 (en
Inventor
John Sampson
David Rushforth
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.)
British American Tobacco Investments Ltd
Original Assignee
British American Tobacco Investments Ltd
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 British American Tobacco Investments Ltd filed Critical British American Tobacco Investments Ltd
Publication of CA2798042A1 publication Critical patent/CA2798042A1/en
Application granted granted Critical
Publication of CA2798042C publication Critical patent/CA2798042C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04Tobacco smoke filters characterised by their shape or structure
    • A24D3/048Tobacco smoke filters characterised by their shape or structure containing additives
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02Manufacture of tobacco smoke filters
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02Manufacture of tobacco smoke filters
    • A24D3/0204Preliminary operations before the filter rod forming process, e.g. crimping, blooming
    • A24D3/0212Applying additives to filter materials
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06Use of materials for tobacco smoke filters
    • A24D3/14Use of materials for tobacco smoke filters of organic materials as additive

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Filtering Materials (AREA)
CA2798042A 2010-05-12 2011-05-11 Filter additive Expired - Fee Related CA2798042C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1007946.5 2010-05-12
GBGB1007946.5A GB201007946D0 (en) 2010-05-12 2010-05-12 Filter additive
PCT/GB2011/050899 WO2011141735A1 (en) 2010-05-12 2011-05-11 Filter additive

Publications (2)

Publication Number Publication Date
CA2798042A1 CA2798042A1 (en) 2011-11-17
CA2798042C true CA2798042C (en) 2014-11-18

Family

ID=42334676

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2798042A Expired - Fee Related CA2798042C (en) 2010-05-12 2011-05-11 Filter additive

Country Status (18)

Country Link
US (1) US20130137561A1 (pt)
EP (1) EP2568833B1 (pt)
JP (1) JP5872547B2 (pt)
KR (2) KR20150144820A (pt)
CN (1) CN102883629B (pt)
AR (1) AR084386A1 (pt)
AU (1) AU2011251791B2 (pt)
BR (1) BR112012028950B1 (pt)
CA (1) CA2798042C (pt)
CL (1) CL2012003121A1 (pt)
GB (1) GB201007946D0 (pt)
HK (1) HK1176525A1 (pt)
MX (1) MX2012012474A (pt)
NZ (1) NZ603222A (pt)
RU (1) RU2565566C2 (pt)
UA (1) UA106913C2 (pt)
WO (1) WO2011141735A1 (pt)
ZA (1) ZA201208308B (pt)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112014013198B1 (pt) 2011-12-30 2020-11-10 Philip Morris Products S.A artigo de fumar
CN103987286B (zh) 2011-12-30 2018-10-02 菲利普莫里斯生产公司 具有前栓棒和气溶胶形成基质的发烟物品以及方法
AR089602A1 (es) 2011-12-30 2014-09-03 Philip Morris Products Sa Articulo generador de aerosoles para usar con un dispositivo generador de aerosoles
EP2625975A1 (en) 2012-02-13 2013-08-14 Philip Morris Products S.A. Aerosol-generating article having an aerosol-cooling element
LT2854570T (lt) 2012-05-31 2016-09-26 Philip Morris Products S.A. Aromatizuoti strypai, skirti naudoti aerozolį generuojančiuose gaminiuose
AR091509A1 (es) 2012-06-21 2015-02-11 Philip Morris Products Sa Articulo para fumar para ser usado con un elemento de calentamiento interno
TWI629008B (zh) * 2012-10-22 2018-07-11 菲利浦莫里斯製品股份有限公司 包含乙酸鹽及甘油之濾嘴段
EP3013451B1 (en) * 2013-06-26 2022-04-20 Papeteries de Mauduit Filter element comprising a base web and method of making a paper having filtering properties and forming said base web
EP3086938B1 (en) * 2013-12-23 2020-02-19 Philip Morris Products S.a.s. Method and apparatus for treating continuous sheet material
GB201400990D0 (en) * 2014-01-21 2014-03-05 British American Tobacco Co Filter materials and filters made therefrom
CN107224007A (zh) * 2017-07-24 2017-10-03 云南中烟工业有限责任公司 一种卷烟滤嘴
CN107927904A (zh) * 2017-10-09 2018-04-20 广西中烟工业有限责任公司 卷烟滤棒固化剂及其制备和应用
CN108095191A (zh) * 2017-11-10 2018-06-01 河南中烟工业有限责任公司 一种烟草滤棒用增塑剂及其应用
CN108185518A (zh) * 2017-12-22 2018-06-22 云南养瑞科技集团有限公司 一种具有可降解功能的滤芯
CN109288123B (zh) * 2018-08-24 2021-08-20 湖南中烟工业有限责任公司 一种降温嘴棒及卷烟
US11432581B2 (en) 2018-09-07 2022-09-06 Altria Client Services Llc Capsule containing a matrix, device with the matrix, and method of forming the matrix
GB201817563D0 (en) * 2018-10-29 2018-12-12 Nerudia Ltd Heat-not-burn consumable
WO2020115897A1 (ja) * 2018-12-07 2020-06-11 日本たばこ産業株式会社 非燃焼加熱型喫煙物品、電気加熱型喫煙システム及び非燃焼加熱型喫煙物品の製造方法
JP7150977B2 (ja) * 2019-03-29 2022-10-11 日本たばこ産業株式会社 冷却セグメント、非燃焼加熱型香味吸引物品、非燃焼加熱型香味吸引物品の使用方法及び非燃焼加熱型香味吸引システム
KR102445558B1 (ko) * 2020-07-06 2022-09-20 주식회사 케이티앤지 고체풍미제를 포함하는 흡연물품용 필터 및 그의 제조 방법

Family Cites Families (101)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH319210A (fr) * 1952-12-05 1957-02-15 Eastman Kodak Co Elément filtrant notamment destiné à filtrer la fumée de tabac
US2904050A (en) * 1955-01-05 1959-09-15 Eastman Kodak Co Tobacco smoke filtering elements
US3079929A (en) * 1958-08-09 1963-03-05 Mueller Paul Adolf Filter plugs for cigarettes
US2992648A (en) * 1959-06-10 1961-07-18 Maxwell E Sparrow Cigarette filters
US3347247A (en) * 1964-05-14 1967-10-17 Philip Morris Inc Tobacco smoke filter
GB1113070A (en) * 1964-08-27 1968-05-08 Courtaulds Ltd Filter elements
FR1446578A (fr) * 1964-08-27 1966-07-22 Courtaulds Ltd Procédé de fabrication d'éléments filtrants pour cigarettes
US3310060A (en) * 1964-08-31 1967-03-21 Olin Mathieson Cellulosic filter for tobacco smoke
US3390039A (en) * 1964-10-09 1968-06-25 Eastman Kodak Co Method and apparatus for making additive filters
FR1456985A (fr) * 1964-10-09 1966-07-08 Eastman Kodak Co Procédé et appareillage destinés à la fabrication de filtres filamentaires pour fumée de tabac
US3501361A (en) * 1965-09-22 1970-03-17 Eastman Kodak Co Method for producing cigarette filters
US3407822A (en) * 1966-02-07 1968-10-29 Eastman Kodak Co Tobacco smoke filters containing polyethylene encapsulated cellulose particles
US3704192A (en) * 1966-09-21 1972-11-28 Celanese Corp Process of making tobacco smoke filters from extruded polymer and binder
US3640742A (en) * 1967-07-03 1972-02-08 Eastman Kodak Co Plasticizer blend for cellulose esters
US3476120A (en) * 1968-12-11 1969-11-04 Eastman Kodak Co Cigarette filter tow
US3599646A (en) * 1969-04-30 1971-08-17 American Filtrona Corp Cigarette filter
US3635226A (en) * 1969-06-16 1972-01-18 British American Tobacco Co Tobacco-smoke filters
US3605759A (en) * 1969-12-22 1971-09-20 Olin Corp Filter for tobacco smoke
US3900037A (en) * 1969-12-24 1975-08-19 Brown & Williamson Tobacco Tobacco-smoke filters
US3800676A (en) * 1970-05-13 1974-04-02 Celanese Corp Filters
US4156431A (en) * 1971-07-08 1979-05-29 Epstein Samuel S Smoke processing
US4059121A (en) * 1973-04-20 1977-11-22 Rothmans Of Pall Mall Canada Limited Filter for tobacco smoke
US3847064A (en) * 1972-09-11 1974-11-12 American Filtrona Corp Tobacco smoke filter
GB1592549A (en) * 1976-10-06 1981-07-08 British American Tobacco Co Tobacco-smoke filters
US4283186A (en) * 1976-10-06 1981-08-11 Celanese Corporation Method of forming cigarette filter material
CH625403A5 (pt) * 1977-08-11 1981-09-30 Celfil Co
GB2020158B (en) * 1978-04-21 1982-11-24 Cigarette Components Ltd Production of tobacco smoke filters
US4274914A (en) * 1978-08-28 1981-06-23 Celanese Corporation Filter material
US4221226A (en) * 1979-02-15 1980-09-09 Eastman Kodak Company Hot melt adhesive for bonding filter tow, and filter elements bonded thereby
US4357188A (en) * 1979-10-22 1982-11-02 Mitsubishi Rayon Co., Ltd. Method for manufacturing cigarette filters
CH647935A5 (fr) * 1980-08-04 1985-02-28 Molins Ltd Procede pour la production d'un materiau de remplissage, machine pour sa mise en oeuvre, application du procede et installation pour la production d'un boudin de filtres de cigarettes.
US4528050A (en) * 1981-07-30 1985-07-09 Molins Plc Producing filler material, particularly for cigarette filters
US4481958A (en) * 1981-08-25 1984-11-13 Philip Morris Incorporated Combustible carbon filter and smoking product
JPS6048156B2 (ja) * 1982-07-07 1985-10-25 三菱アセテート株式会社 タバコスモ−クフイルタ−
US4476807A (en) * 1983-02-18 1984-10-16 R. J. Reynolds Tobacco Company Apparatus for application of additives to cigarette filter tow
US4549875A (en) * 1983-06-02 1985-10-29 R. J. Reynolds Tobacco Co. Manufacture of tobacco smoke filters
US4655230A (en) * 1985-03-29 1987-04-07 Celanese Corporation Localized liquid additive applicator system for continuous cylindrical product
US4756316A (en) * 1985-08-12 1988-07-12 Philip Morris Incorporated Method for producing a cigarette filter rod
US4715390A (en) * 1985-11-19 1987-12-29 Philip Morris Incorporated Matrix entrapment of flavorings for smoking articles
US4807809A (en) * 1988-02-12 1989-02-28 R. J. Reynolds Tobacco Company Rod making apparatus for smoking article manufacture
GB8823388D0 (en) * 1988-10-05 1988-11-09 Cigarette Components Ltd Tobacco smoke filter containing particulate additive
US5074320A (en) * 1989-10-26 1991-12-24 R. J. Reynolds Tobacco Company Cigarette and cigarette filter
US5105834A (en) * 1989-12-18 1992-04-21 R.J. Reynolds Tobacco Company Cigarette and cigarette filter element therefor
US5141006A (en) * 1990-02-28 1992-08-25 Eastman Kodak Company Tobacco smoke filter material and process for production thereof
US5053066A (en) * 1990-05-04 1991-10-01 Hassenboehler Charles B Nonwoven filter and method of manufacture
US5246017A (en) * 1990-11-06 1993-09-21 R. J. Reynolds Tobacco Company Cigarette and cigarette filter element therefor
AU658372B2 (en) * 1990-11-19 1995-04-13 Cigarette Components Limited Smoke filter containing particulate smoke modifying additive
GB9121782D0 (en) * 1991-10-14 1991-11-27 Cigarette Components Ltd Cigarette filter containing particulate smoke modifying additive
US5465739A (en) * 1992-04-15 1995-11-14 R. J. Reynolds Tobacco Company Cigarette and cigarette filter element therefor
US5531235A (en) * 1992-09-28 1996-07-02 Hassenboehler, Jr.; Charles B. Cigarette filter micropleated web and method of manufacture
JP3316309B2 (ja) * 1993-07-13 2002-08-19 ダイセル化学工業株式会社 たばこフィルターおよびその製造方法
TW241198B (en) * 1993-09-06 1995-02-21 Daicel Chem A tobacco filter material and a method of producing the same
DE69520816T2 (de) * 1994-10-31 2001-09-13 Daicel Chemical Industries, Ltd. Tabakrauchfiltermaterial und Tabakrauchfilter hergestellt aus diesem Material
EP0783841A4 (en) * 1995-08-04 1998-08-26 Mitsubishi Rayon Co A FILTER MATERIAL AND MANUFACTURED CIGARETTE FILTER
US5709227A (en) * 1995-12-05 1998-01-20 R. J. Reynolds Tobacco Company Degradable smoking article
DE19605863A1 (de) * 1996-02-16 1997-08-21 Reemtsma H F & Ph Cigarettenfilter
JPH09316420A (ja) * 1996-05-27 1997-12-09 Daicel Chem Ind Ltd 水溶性ホットメルト接着剤と、これを用いたたばこフィルター及びその製造方法
US5817159A (en) * 1996-12-31 1998-10-06 Cahill; Scott A. Filter with interpenetrating polymer network that biodegrades
US6305382B1 (en) * 1997-04-07 2001-10-23 Schweitzer-Mauduit International, Inc. Reduced basis weight cigarette paper
US5911224A (en) * 1997-05-01 1999-06-15 Filtrona International Limited Biodegradable polyvinyl alcohol tobacco smoke filters, tobacco smoke products incorporating such filters, and methods and apparatus for making same
HUP0100053A3 (en) * 1997-10-10 2001-09-28 Union Carbide Chem Plastic Method for the spray application of an additive composition to sheet material products
JP4098079B2 (ja) * 2000-08-31 2008-06-11 日本たばこ産業株式会社 フィルタ製造機
DOP2001000282A (es) * 2000-11-10 2002-12-30 Vector Tabacco Bermuda Ltd Metodo y producto para remover calcinogenos del humo del tabaco (method and products for removing calcinogenos from tobacco smoke)
US20090065012A1 (en) * 2001-08-14 2009-03-12 Pankaj Patel Materials and Methods for Manufacturing Cigarettes
AU2002340407A1 (en) * 2001-11-09 2003-05-26 Vector Tobacco Inc. Method and composition for mentholation of charcoal filtered cigarettes
TWI324049B (en) * 2002-01-08 2010-05-01 Japan Tobacco Inc Smoking filter and smoking article
DE10217410A1 (de) * 2002-04-18 2003-10-30 Hauni Maschinenbau Ag Zigarettenfilter und Verfahren zur Herstellung desselben
EP1535524B1 (en) * 2002-09-04 2012-10-17 Japan Tobacco Inc. Filter for smoking
DE10252823A1 (de) * 2002-11-13 2004-06-09 Biotec Biologische Naturverpackungen Gmbh & Co. Kg Filterelement
US7281540B2 (en) * 2002-12-20 2007-10-16 R.J. Reynolds Tobacco Company Equipment and methods for manufacturing cigarettes
US6998009B2 (en) * 2003-06-10 2006-02-14 Ut-Battelle, Llc Filter and method of fabricating
DE502004003664D1 (de) * 2003-09-03 2007-06-14 Hauni Maschinenbau Ag Verfahren und Vorrichtung zur Herstellung eines Filterstrangs
US7381277B2 (en) * 2004-07-29 2008-06-03 R.U. Reynolds Tobacco Company Flavoring a cigarette by using a flavored filter plug wrap
GB0404324D0 (en) * 2004-02-27 2004-03-31 British American Tobacco Co Smoking article and apparatus and process for manufacturing a smoking article
DE102004048651A1 (de) * 2004-10-06 2006-04-13 Rhodia Acetow Gmbh Tabakrauchfilter oder -filterelemente mit einem Gehalt an Zusatzstoffen
US7856989B2 (en) * 2004-12-30 2010-12-28 Philip Morris Usa Inc. Electrostatically produced fast dissolving fibers
DE102005009608A1 (de) * 2005-02-28 2006-08-31 Hauni Maschinenbau Ag Filter für Artikel der Tabak verarbeitenden Industrie
DE102005015877A1 (de) * 2005-04-06 2006-10-12 Hauni Maschinenbau Ag Verfahren und Einrichtung zum Auftragen von Triacetin auf eine Filtermaterialbahn
JP2009506761A (ja) * 2005-09-05 2009-02-19 ローディア アセトウ ゲーエムベーハー タバコの煙用フィルタ又はフィルタエレメント、そのようなフィルタ又はフィルタエレメントを含むシガレット、及びそのようなフィルタ又はフィルタエレメントを作製する方法
ATE464799T1 (de) * 2006-01-27 2010-05-15 British American Tobacco Co Herstellungsverfahren für eine stange zur herstellung eines raucherartikels
WO2007104908A1 (en) * 2006-03-10 2007-09-20 British American Tobacco (Investments) Limited Smoking article filter
DE102006047098A1 (de) * 2006-09-28 2008-04-03 Hauni Maschinenbau Ag Verfahren und Vorrichtung zum Erwärmen und Aushärten von Filterstäben
US8739802B2 (en) * 2006-10-02 2014-06-03 R.J. Reynolds Tobacco Company Filtered cigarette
US7855261B2 (en) * 2006-12-08 2010-12-21 Eastman Chemical Company Aldehyde removal
WO2008105475A1 (ja) * 2007-03-01 2008-09-04 Takasago International Corporation 保形性に優れた脂質組成物および製品
GB0713905D0 (en) * 2007-07-17 2007-08-29 British American Tobacco Co Cellulose acetate thread in filter
EP2526788B1 (de) * 2007-07-20 2018-01-03 Köhl Maschinenbau GmbH Vorrichtung zum Aufbringen von Aromastoffen auf einen Tabakstrang, Zigarettenpapier oder Filter von Zigaretten
EP2025251A1 (en) * 2007-08-17 2009-02-18 Philip Morris Products S.A. Multi-component filter for a smoking article
WO2009078287A1 (ja) * 2007-12-14 2009-06-25 Japan Tobacco Inc. シガレットフィルタおよびフィルタ付きシガレット
US8613284B2 (en) * 2008-05-21 2013-12-24 R.J. Reynolds Tobacco Company Cigarette filter comprising a degradable fiber
GB0903136D0 (en) * 2009-02-25 2009-04-08 British American Tobacco Co Smoking articles and method for manufacturing smoking articles
GB0910198D0 (en) * 2009-06-12 2009-07-29 British American Tobacco Co Smoking article
US8534294B2 (en) * 2009-10-09 2013-09-17 Philip Morris Usa Inc. Method for manufacture of smoking article filter assembly including electrostatically charged fiber
GB0920397D0 (en) * 2009-11-20 2010-01-06 Filtrona Int Ltd Tobacco smoke filter
US20110220130A1 (en) * 2009-12-15 2011-09-15 John-Paul Mua Tobacco Product And Method For Manufacture
GB0922253D0 (en) * 2009-12-21 2010-02-03 British American Tobacco Co Sheet filter materials with additives
RU93226U1 (ru) * 2010-01-11 2010-04-27 Закрытое акционерное общество "Нево Табак" Сигарета
US20110180084A1 (en) * 2010-01-27 2011-07-28 R.J. Reynolds Tobacco Company Apparatus and associated method for forming a filter component of a smoking article
US20110271968A1 (en) * 2010-05-07 2011-11-10 Carolyn Rierson Carpenter Filtered Cigarette With Modifiable Sensory Characteristics
US8950407B2 (en) * 2010-06-30 2015-02-10 R.J. Reynolds Tobacco Company Degradable adhesive compositions for smoking articles
US8720450B2 (en) * 2010-07-30 2014-05-13 R.J. Reynolds Tobacco Company Filter element comprising multifunctional fibrous smoke-altering material

Also Published As

Publication number Publication date
KR20150144820A (ko) 2015-12-28
KR20130028937A (ko) 2013-03-20
BR112012028950A2 (pt) 2016-07-26
BR112012028950B1 (pt) 2019-12-03
RU2565566C2 (ru) 2015-10-20
JP5872547B2 (ja) 2016-03-01
AU2011251791B2 (en) 2013-11-14
EP2568833A1 (en) 2013-03-20
AR084386A1 (es) 2013-05-15
UA106913C2 (uk) 2014-10-27
CN102883629A (zh) 2013-01-16
CL2012003121A1 (es) 2013-02-15
JP2013526272A (ja) 2013-06-24
CA2798042A1 (en) 2011-11-17
NZ603222A (en) 2014-06-27
RU2012153392A (ru) 2014-06-20
CN102883629B (zh) 2015-05-20
ZA201208308B (en) 2016-09-28
US20130137561A1 (en) 2013-05-30
HK1176525A1 (en) 2013-08-02
EP2568833B1 (en) 2017-01-18
MX2012012474A (es) 2013-02-27
GB201007946D0 (en) 2010-06-30
WO2011141735A1 (en) 2011-11-17

Similar Documents

Publication Publication Date Title
CA2798042C (en) Filter additive
AU2011251791A1 (en) Filter additive
CA2784216C (en) Sheet filter materials with additives
KR102330282B1 (ko) 에어로졸 발생 물품
KR20140065005A (ko) 필터 재료 및 이의 용도
KR102525020B1 (ko) 담배과립 및 그의 제조방법과, 상기 담배과립을 포함하는 흡연물품
KR20230141814A (ko) 다수의 에어로졸 발생 세그먼트를 갖는 에어로졸 발생 로드
KR20220110533A (ko) 폴리하이드록시알카노에이트 중합체 또는 공중합체의 높은 함량을 갖는 필터를 포함하는 에어로졸 발생 요소
US20210378290A1 (en) Paper sheet filter element for a smoking article, and associated method
KR102450720B1 (ko) 생분해성이 증진된 흡연물품용 필터 및 이를 포함하는 흡연물품
KR20240119069A (ko) 활성 종이
WO2024110525A1 (en) Sustainable filter

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20130225

MKLA Lapsed

Effective date: 20180511