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EP0632970A3 - Cellulose acetate based products, their use in the manufacture of filtertows for the production of tobacco smoke filters as well as filtertows and tobacco smoke filters. - Google Patents

Cellulose acetate based products, their use in the manufacture of filtertows for the production of tobacco smoke filters as well as filtertows and tobacco smoke filters.
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Publication number
EP0632970A3
EP0632970A3EP94107825AEP94107825AEP0632970A3EP 0632970 A3EP0632970 A3EP 0632970A3EP 94107825 AEP94107825 AEP 94107825AEP 94107825 AEP94107825 AEP 94107825AEP 0632970 A3EP0632970 A3EP 0632970A3
Authority
EP
European Patent Office
Prior art keywords
filtertows
tobacco smoke
smoke filters
manufacture
production
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.)
Granted
Application number
EP94107825A
Other languages
German (de)
French (fr)
Other versions
EP0632970A2 (en
EP0632970B1 (en
Inventor
Eberhard Dipl-Chem Teufel
Rolf Dipl Biol-Dr Hab Willmund
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.)
Cerdia Produktions GmbH
Original Assignee
Rhone Poulenc Rhodia AG
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 Rhone Poulenc Rhodia AGfiledCriticalRhone Poulenc Rhodia AG
Publication of EP0632970A2publicationCriticalpatent/EP0632970A2/en
Publication of EP0632970A3publicationCriticalpatent/EP0632970A3/en
Application grantedgrantedCritical
Publication of EP0632970B1publicationCriticalpatent/EP0632970B1/en
Anticipated expirationlegal-statusCritical
Expired - Lifetimelegal-statusCriticalCurrent

Links

Classifications

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EP94107825A1993-07-091994-05-20Cellulose acetate based products, their use in the manufacture of filtertows for the production of tobacco smoke filters as well as filtertows and tobacco smoke filtersExpired - LifetimeEP0632970B1 (en)

Applications Claiming Priority (2)

Application NumberPriority DateFiling DateTitle
DE43229661993-07-09
DE4322966ADE4322966C2 (en)1993-07-091993-07-09 Cellulose acetate molded structures and their use as filter tow and tobacco smoke filter element

Publications (3)

Publication NumberPublication Date
EP0632970A2 EP0632970A2 (en)1995-01-11
EP0632970A3true EP0632970A3 (en)1995-04-19
EP0632970B1 EP0632970B1 (en)2000-01-12

Family

ID=6492392

Family Applications (1)

Application NumberTitlePriority DateFiling Date
EP94107825AExpired - LifetimeEP0632970B1 (en)1993-07-091994-05-20Cellulose acetate based products, their use in the manufacture of filtertows for the production of tobacco smoke filters as well as filtertows and tobacco smoke filters

Country Status (10)

CountryLink
US (1)US5495860A (en)
EP (1)EP0632970B1 (en)
JP (1)JP2838256B2 (en)
KR (1)KR0144648B1 (en)
CN (2)CN1097962A (en)
CA (1)CA2124629C (en)
DE (2)DE4322966C2 (en)
EE (1)EE03200B1 (en)
LT (1)LT3712B (en)
RU (1)RU2082302C1 (en)

Families Citing this family (30)

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JP3390278B2 (en)*1994-12-052003-03-24ダイセル化学工業株式会社 Cellulose ester composition and molded article
JP3606950B2 (en)*1995-05-312005-01-05ダイセル化学工業株式会社 Cigarette filter and manufacturing method thereof
EP0783841A4 (en)*1995-08-041998-08-26Mitsubishi Rayon Co FILTER MATERIAL AND CIGARETTE FILTER MADE THEREWITH
DE19536505A1 (en)*1995-09-291997-04-10Biotec Biolog Naturverpack Biodegradable filter material and process for its manufacture
DE19609143C1 (en)*1996-03-081997-11-13Rhodia Ag Rhone Poulenc Melt-blown fleece, process for its production and its uses
US5911224A (en)*1997-05-011999-06-15Filtrona International LimitedBiodegradable polyvinyl alcohol tobacco smoke filters, tobacco smoke products incorporating such filters, and methods and apparatus for making same
ES2291193T3 (en)*1999-03-112008-03-01Japan Tobacco Inc. BIODEGRADABLE CONSTRUCTIONS OF CELLULOSE ACETATE AND FILTER FOR TOBACCO.
DE19951062C2 (en)*1999-10-222002-04-04Rhodia Acetow Gmbh A high performance cigarette filter
AU2001231745A1 (en)*2000-02-172001-08-27Sura Chemicals GmbhMethod and device for producing shaped microbial cellulose for use as biomaterial, especially for microsurgery
ATE547018T1 (en)*2001-08-072012-03-15Japan Tobacco Inc DOUBLE-PACKED CIGARETTE AND DEVICE AND METHOD FOR PRODUCING THE CIGARETTE
JP3948009B2 (en)2001-10-032007-07-25株式会社安川電機 Winding switching device for three-phase AC motor
TWI324049B (en)*2002-01-082010-05-01Japan Tobacco IncSmoking filter and smoking article
DE102004048651A1 (en)*2004-10-062006-04-13Rhodia Acetow Gmbh Tobacco smoke filters or filter elements containing additives
KR20070010837A (en)*2005-07-202007-01-24이영관 Biodegradable Resin Composition
GB0517551D0 (en)*2005-08-272005-10-05Acetate Products LtdProcess for making filter tow
US7878210B2 (en)*2007-06-042011-02-01Philip Morris Usa Inc.Cellulose acetate fiber modification
GB0713905D0 (en)2007-07-172007-08-29British American Tobacco CoCellulose acetate thread in filter
US9155335B2 (en)*2007-12-172015-10-13Celanese Acetate LlcDegradable cigarette filter
US8397733B2 (en)*2010-01-152013-03-19Celanese Acetate LlcDegradable cigarette filter: pill with multilayered coating
PL220876B1 (en)*2011-08-082016-01-29Int Tobacco Machinery PolandDevice for collecting the powdery substance in the tobacco industry equipment, a scraper for such equipment and a method for dosing of powdery substances
CN104244747A (en)*2012-02-232014-12-24益升华过滤产品开发私人有限公司Tobacco smoke filter
ITBO20120582A1 (en)2012-10-252014-04-26Gd Spa ASSEMBLY MACHINE FOR CIGARETTES PRODUCTION AND RELATIVE ASSEMBLY METHOD.
EP2837296A1 (en)*2013-08-122015-02-18Solvay Acetow GmbHCatalytically degradable plastic and its use
EP3589782B1 (en)*2017-02-282024-08-14Eastman Chemical CompanyCellulose acetate fibers in nonwoven fabrics
US11356036B2 (en)2017-07-312022-06-07Nidec CorporationPower conversion apparatus, motor module, and electric power steering apparatus
CN108103604B (en)*2017-12-202019-11-12南通大学 Composite photosensitive additive for degrading cellulose acetate and its preparation method and use
US20200375245A1 (en)*2019-05-312020-12-03Bio-On S.P.A.Filter elements suitable for use in smoking articles and processes for producing the same
CN111227301A (en)*2020-01-222020-06-05南通醋酸纤维有限公司Acetate fiber filter stick and application thereof
KR102785532B1 (en)2024-08-012025-03-25김종학Biodegradable and water-soluble cigarette filter and method for manufacturing the same
KR102777261B1 (en)2024-08-132025-03-07부성산업주식회사Biodegradable and water-soluble yarn for paper strength enhancement and method for manufacturing the same

Citations (4)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
BE656697A (en)*1963-12-111965-04-01
US3349779A (en)*1965-08-261967-10-31Eastman Kodak CoCigarette filter element containing certain hexahydrotriazines for the selective removal of acrolein
GB2230687A (en)*1989-04-281990-10-31Pecsi DohanygyarHighly efficient tobacco smoke filter
EP0597478A1 (en)*1992-11-131994-05-18Daicel Chemical Industries, Ltd.Biodegradable cellulose ester composition and article produced from the same

Family Cites Families (31)

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Publication numberPriority datePublication dateAssigneeTitle
US1528291A (en)*1921-10-131925-03-03Dreyfus HenryManufacture of plastic materials or articles having a basis of cellulose acetate
US2688380A (en)*1951-07-131954-09-07American Viscose CorpFilter cartridge
US3026226A (en)1957-12-091962-03-20Eastman Kodak CoProcess of manufacturing filters
US3368566A (en)*1964-06-171968-02-13Souren Z. AvediklanFilter cigarette
US3543769A (en)*1967-12-261970-12-01Celanese CorpCigarette filter plug
US3898986A (en)*1972-12-271975-08-12Alza CorpBiotransformable intrauterine device
JPS5126520B2 (en)*1973-01-121976-08-06
JPS5084478A (en)*1973-11-301975-07-08
JPS50122699U (en)*1974-03-251975-10-07
JPS5272900A (en)*1975-12-121977-06-17Daicel Chem Ind LtdTobacco filter
US4085760A (en)*1975-09-191978-04-25Daicel Ltd.Tobacco filter
US4283186A (en)*1976-10-061981-08-11Celanese CorporationMethod of forming cigarette filter material
US4180536A (en)*1978-03-131979-12-25Celanese CorporationProcess for extruding plasticized open cell foamed cellulose acetate filters
GB2020158B (en)*1978-04-211982-11-24Cigarette Components LtdProduction of tobacco smoke filters
JPS5922511B2 (en)*1978-04-221984-05-26ダイセル化学工業株式会社 Tobacco smoke filter
ZA792187B (en)*1978-05-161980-05-28British American Tobacco CoTobacco smoke filters
ZA804947B (en)*1979-08-281981-06-24British American Tobacco CoSmoke filtration
JPS5739767A (en)*1980-08-231982-03-05Advance KkTobacco filter
JPS57194779A (en)*1981-05-251982-11-30Japan Tobacco & Salt PublicAqueous adhesive for tobacco
JPS6054669A (en)*1983-09-061985-03-29東洋紡績株式会社Selective adsorbent for tobacco smoke filter
JPH0775535B2 (en)*1986-03-311995-08-16三井東圧化学株式会社 Filter for cigarette combustion gas
JPH02138958A (en)*1988-08-251990-05-28Inahata Koryo KkDeodorant for tobacco filter and tobacco filter
DE3914022A1 (en)1989-04-281990-10-31Aeterna Lichte Gmbh & Co Kg BIODEGRADABLE PLASTIC MATERIALS
JP2820981B2 (en)*1989-11-201998-11-05ダイセル化学工業株式会社 Filter for cigarette smoke
JPH03216178A (en)*1990-01-171991-09-24Daicel Chem Ind LtdFilter for tobacco smoke
US5141006A (en)1990-02-281992-08-25Eastman Kodak CompanyTobacco smoke filter material and process for production thereof
DE4013304C2 (en)1990-04-261993-11-25Bat Cigarettenfab Gmbh Process for the production of cigarette filters and cigarette filters
DE4013293A1 (en)1990-04-261991-11-07Bat Cigarettenfab GmbhCigarette filter contg. irregularly oriented fibres - comprises spun poly:hydroxybutyric acid or copolymer of hydroxybutyric acid and poly:hydroxy:valeric acid
JPH0416178A (en)*1990-05-091992-01-21Daicel Chem Ind LtdFilter for cigarette
US5246017A (en)*1990-11-061993-09-21R. J. Reynolds Tobacco CompanyCigarette and cigarette filter element therefor
DE4109603A1 (en)1991-03-231992-09-24Hauni Werke Koerber & Co Kg METHOD AND DEVICE FOR PRODUCING FILTER RODS FOR CIGARETTES

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
BE656697A (en)*1963-12-111965-04-01
US3349779A (en)*1965-08-261967-10-31Eastman Kodak CoCigarette filter element containing certain hexahydrotriazines for the selective removal of acrolein
GB2230687A (en)*1989-04-281990-10-31Pecsi DohanygyarHighly efficient tobacco smoke filter
EP0597478A1 (en)*1992-11-131994-05-18Daicel Chemical Industries, Ltd.Biodegradable cellulose ester composition and article produced from the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JOJI ONO ET AL.: "Preferential Retention of Benzo[a]pyrene in Tobacco Smoke by Ÿ-Lactoglobulin in the Cigarette Filter Structure", JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, vol. 29, no. 1, 1981, WASHINGTON US, pages 173 - 177*

Also Published As

Publication numberPublication date
CA2124629C (en)2001-04-17
US5495860A (en)1996-03-05
RU2082302C1 (en)1997-06-27
DE4322966A1 (en)1995-01-12
CA2124629A1 (en)1995-01-10
EP0632970A2 (en)1995-01-11
EP0632970B1 (en)2000-01-12
CN1176077A (en)1998-03-18
LT3712B (en)1996-02-26
RU94026291A (en)1996-07-20
CN1097962A (en)1995-02-01
JP2838256B2 (en)1998-12-16
EE03200B1 (en)1999-08-16
DE4322966C2 (en)1995-10-26
LTIP1995A (en)1995-02-27
DE59409066D1 (en)2000-02-17
KR0144648B1 (en)1998-07-01
KR950002655A (en)1995-02-16
JPH0799959A (en)1995-04-18

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