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

    • 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
    • A24D3/02—Manufacture of tobacco smoke filters
    • 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
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/14—Use 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 (xx)
EP (1) EP2568833B1 (xx)
JP (1) JP5872547B2 (xx)
KR (2) KR20150144820A (xx)
CN (1) CN102883629B (xx)
AR (1) AR084386A1 (xx)
AU (1) AU2011251791B2 (xx)
BR (1) BR112012028950B1 (xx)
CA (1) CA2798042C (xx)
CL (1) CL2012003121A1 (xx)
GB (1) GB201007946D0 (xx)
HK (1) HK1176525A1 (xx)
MX (1) MX2012012474A (xx)
NZ (1) NZ603222A (xx)
RU (1) RU2565566C2 (xx)
UA (1) UA106913C2 (xx)
WO (1) WO2011141735A1 (xx)
ZA (1) ZA201208308B (xx)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
UA112456C2 (uk) 2011-12-30 2016-09-12 Філіп Морріс Продактс С.А. Аерозолеутворювальний виріб для використання з пристроєм для утворення аерозолю
EP2625975A1 (en) * 2012-02-13 2013-08-14 Philip Morris Products S.A. Aerosol-generating article having an aerosol-cooling element
AR089602A1 (es) 2011-12-30 2014-09-03 Philip Morris Products Sa Articulo generador de aerosoles para usar con un dispositivo generador de aerosoles
AU2012360832B2 (en) 2011-12-30 2016-11-24 Philip Morris Products S.A. Smoking article with front-plug and method
UA113765C2 (xx) 2012-05-31 2017-03-10 Ароматизовані прутки, призначені для використання у аерозолеутворювальних виробах
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
KR102339129B1 (ko) * 2013-06-26 2021-12-14 에스더블유엠 서비스 에스.에이.에스. 필터 매질
JP6674891B2 (ja) * 2013-12-23 2020-04-01 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 連続的なシート材料を処理するための方法および装置
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
CN113163855A (zh) * 2018-12-07 2021-07-23 日本烟草产业株式会社 非燃烧加热型吸烟物品、电加热型吸烟系统及非燃烧加热型吸烟物品的制造方法
WO2020202257A1 (ja) * 2019-03-29 2020-10-08 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
FR1446578A (fr) * 1964-08-27 1966-07-22 Courtaulds Ltd Procédé de fabrication d'éléments filtrants pour cigarettes
GB1113070A (en) * 1964-08-27 1968-05-08 Courtaulds Ltd Filter elements
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
US4283186A (en) * 1976-10-06 1981-08-11 Celanese Corporation Method of forming cigarette filter material
GB1592549A (en) * 1976-10-06 1981-07-08 British American Tobacco Co Tobacco-smoke filters
CH625403A5 (xx) * 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
EP0709037B1 (en) * 1994-10-31 2001-05-02 Daicel Chemical Industries, Ltd. A tobacco filter material and a tobacco filter as produced using the same
WO1997005790A1 (fr) * 1995-08-04 1997-02-20 Mitsubishi Rayon Co., Ltd. Materiau filtrant et filtre de cigarette realise avec ce materiau
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
AU735738B2 (en) * 1997-10-10 2001-07-12 Union Carbide Chemicals & Plastics Technology Corporation Spray application of an additive composition to sheet materials
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
AU2002228901A1 (en) * 2000-11-10 2002-05-21 Vector Tobacco (Bermuda) Ltd. Method and product for removing carcinogens from tobacco smoke
US20090065012A1 (en) * 2001-08-14 2009-03-12 Pankaj Patel Materials and Methods for Manufacturing Cigarettes
WO2003041521A2 (en) * 2001-11-09 2003-05-22 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
JP4224457B2 (ja) * 2002-09-04 2009-02-12 日本たばこ産業株式会社 喫煙用フィルター
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
ATE361004T1 (de) * 2003-09-03 2007-05-15 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
US20100037905A1 (en) * 2005-09-05 2010-02-18 Maurer Guenter Filter or filter element for tobacco smoke cigarette containing such a filter or filter element and method for producing such a filter or filter element
ATE464799T1 (de) * 2006-01-27 2010-05-15 British American Tobacco Co Herstellungsverfahren für eine stange zur herstellung eines raucherartikels
AU2007226406B2 (en) * 2006-03-10 2011-09-08 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
EP2016840B1 (de) * 2007-07-20 2011-09-28 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
CN102883629A (zh) 2013-01-16
US20130137561A1 (en) 2013-05-30
AR084386A1 (es) 2013-05-15
CL2012003121A1 (es) 2013-02-15
ZA201208308B (en) 2016-09-28
JP2013526272A (ja) 2013-06-24
EP2568833A1 (en) 2013-03-20
BR112012028950A2 (pt) 2016-07-26
RU2012153392A (ru) 2014-06-20
AU2011251791B2 (en) 2013-11-14
HK1176525A1 (en) 2013-08-02
RU2565566C2 (ru) 2015-10-20
BR112012028950B1 (pt) 2019-12-03
KR20130028937A (ko) 2013-03-20
NZ603222A (en) 2014-06-27
GB201007946D0 (en) 2010-06-30
KR20150144820A (ko) 2015-12-28
CN102883629B (zh) 2015-05-20
JP5872547B2 (ja) 2016-03-01
MX2012012474A (es) 2013-02-27
WO2011141735A1 (en) 2011-11-17
EP2568833B1 (en) 2017-01-18
CA2798042A1 (en) 2011-11-17
UA106913C2 (uk) 2014-10-27

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