CA2121136C - Cigarette filter - Google Patents
Cigarette filter Download PDFInfo
- Publication number
- CA2121136C CA2121136C CA002121136A CA2121136A CA2121136C CA 2121136 C CA2121136 C CA 2121136C CA 002121136 A CA002121136 A CA 002121136A CA 2121136 A CA2121136 A CA 2121136A CA 2121136 C CA2121136 C CA 2121136C
- Authority
- CA
- Canada
- Prior art keywords
- filaments
- acetate
- spinning solution
- cellulose
- diameter
- 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 - Lifetime
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
- A24D3/14—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
- A24D3/06—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
- A24D3/067—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
- A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
- D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Biodiversity & Conservation Biology (AREA)
- Inorganic Chemistry (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Artificial Filaments (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Filtering Materials (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA2101/91 | 1991-10-22 | ||
AT0210191A AT396862B (de) | 1991-10-22 | 1991-10-22 | Verfahren zur herstellung eines zelluloseazetat-kabels und zigarettenfilter daraus |
PCT/AT1992/000126 WO1993007771A1 (de) | 1991-10-22 | 1992-10-16 | Zigarettenfilter |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2121136A1 CA2121136A1 (en) | 1993-04-29 |
CA2121136C true CA2121136C (en) | 2001-03-06 |
Family
ID=3527777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002121136A Expired - Lifetime CA2121136C (en) | 1991-10-22 | 1992-10-16 | Cigarette filter |
Country Status (15)
Country | Link |
---|---|
EP (1) | EP0609284B1 (de) |
JP (1) | JPH07500385A (de) |
KR (1) | KR100264527B1 (de) |
CN (1) | CN1053563C (de) |
AT (2) | AT396862B (de) |
CA (1) | CA2121136C (de) |
DE (1) | DE59205875D1 (de) |
DK (1) | DK0609284T3 (de) |
ES (1) | ES2085650T3 (de) |
GE (1) | GEP19991509B (de) |
GR (1) | GR3019451T3 (de) |
RU (1) | RU2083146C1 (de) |
UA (1) | UA27822C2 (de) |
WO (1) | WO1993007771A1 (de) |
ZA (1) | ZA928128B (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1301076C (zh) * | 2004-05-26 | 2007-02-21 | 长沙卷烟厂 | 高分子聚合物卷烟滤嘴添加剂及应用 |
WO2011019646A1 (en) * | 2009-08-11 | 2011-02-17 | R.J. Reynolds Tobacco Company | Degradable filter element |
EP3072405A1 (de) * | 2015-03-27 | 2016-09-28 | Cordenka GmbH & Co. KG | Zigarettenfilter |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0622407A1 (de) * | 1993-04-28 | 1994-11-02 | Hoechst Celanese Corporation | Polymermischung aus Celluloseacetat und Stärkeacetat, die zur Formung von Fasern, Filmen und Kunststoffmaterialien verwendet wird; Verfahren zur Herstellung dieser Mischung |
DE4322967C1 (de) * | 1993-07-09 | 1994-10-13 | Rhodia Ag Rhone Poulenc | Filtertow aus Celluloseacetat, dessen Herstellung und Verwendung als Tabakrauchfilterelement |
DE4322965C1 (de) * | 1993-07-09 | 1994-10-06 | Rhodia Ag Rhone Poulenc | Filtertow und Verfahren zu dessen Herstellung sowie dessen Verwendung als Tabakrauchfilterelement |
EP0783841A4 (de) * | 1995-08-04 | 1998-08-26 | Mitsubishi Rayon Co | Ein filtermaterial und hergestellter zigarettenfilter |
DE19536505A1 (de) * | 1995-09-29 | 1997-04-10 | Biotec Biolog Naturverpack | Biologisch abbaubares Filtermaterial und Verfahren zu seiner Herstellung |
US5922110A (en) * | 1998-01-21 | 1999-07-13 | Dcv, Inc. | Water-soluble, biodegradable filter, and process of using same |
DK1167589T3 (da) | 1999-03-11 | 2007-10-29 | Japan Tobacco Inc | Bionedbrydelige artikler af celluloseacetat samt filter for tobaksrög |
EP1756023B1 (de) | 2004-05-24 | 2012-04-11 | British American Tobacco (Investments) Limited | Molekular geprägte, nitrosaminselektive polymere und verfahren zu deren anwendung |
US7585441B2 (en) * | 2004-06-25 | 2009-09-08 | Celanese Acetate, Llc | Process of making cellulose acetate tow |
DE102008051579A1 (de) | 2008-10-14 | 2010-04-15 | Rhodia Acetow Gmbh | Biologisch abbaubarer Kunststoff und Verwendung desselben |
JP5192982B2 (ja) * | 2008-10-22 | 2013-05-08 | ピジョン株式会社 | 不織布および衛生用品 |
JP5192981B2 (ja) * | 2008-10-22 | 2013-05-08 | ピジョン株式会社 | 不織布および衛生用品 |
RU2693531C1 (ru) * | 2019-03-06 | 2019-07-03 | Сергей Николаевич Ким | Способ изготовления фильтрующего штранга из ацетат-целлюлозного волокна |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8712617D0 (en) * | 1987-05-28 | 1987-07-01 | British American Tobacco Co | Tobacco smoke filters |
US4964426A (en) * | 1988-09-28 | 1990-10-23 | Eastman Kodak Company | Tobacco smoke filters and process for production thereof |
-
1991
- 1991-10-22 AT AT0210191A patent/AT396862B/de not_active IP Right Cessation
-
1992
- 1992-10-16 JP JP5507272A patent/JPH07500385A/ja not_active Expired - Lifetime
- 1992-10-16 UA UA94005431A patent/UA27822C2/uk unknown
- 1992-10-16 RU RU9294021652A patent/RU2083146C1/ru active
- 1992-10-16 AT AT92921347T patent/ATE135892T1/de active
- 1992-10-16 DE DE59205875T patent/DE59205875D1/de not_active Expired - Lifetime
- 1992-10-16 EP EP92921347A patent/EP0609284B1/de not_active Expired - Lifetime
- 1992-10-16 WO PCT/AT1992/000126 patent/WO1993007771A1/de active IP Right Grant
- 1992-10-16 CA CA002121136A patent/CA2121136C/en not_active Expired - Lifetime
- 1992-10-16 GE GEAP19922490A patent/GEP19991509B/en unknown
- 1992-10-16 ES ES92921347T patent/ES2085650T3/es not_active Expired - Lifetime
- 1992-10-16 DK DK92921347.8T patent/DK0609284T3/da active
- 1992-10-16 KR KR1019940701133A patent/KR100264527B1/ko not_active IP Right Cessation
- 1992-10-21 CN CN92112850A patent/CN1053563C/zh not_active Expired - Lifetime
- 1992-10-21 ZA ZA928128A patent/ZA928128B/xx unknown
-
1996
- 1996-03-28 GR GR960400815T patent/GR3019451T3/el unknown
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1301076C (zh) * | 2004-05-26 | 2007-02-21 | 长沙卷烟厂 | 高分子聚合物卷烟滤嘴添加剂及应用 |
WO2011019646A1 (en) * | 2009-08-11 | 2011-02-17 | R.J. Reynolds Tobacco Company | Degradable filter element |
US8434498B2 (en) | 2009-08-11 | 2013-05-07 | R. J. Reynolds Tobacco Company | Degradable filter element |
US9770053B2 (en) | 2009-08-11 | 2017-09-26 | R. J. Reynolds Tobacco Company | Degradable filter element |
EP3072405A1 (de) * | 2015-03-27 | 2016-09-28 | Cordenka GmbH & Co. KG | Zigarettenfilter |
Also Published As
Publication number | Publication date |
---|---|
CN1053563C (zh) | 2000-06-21 |
EP0609284B1 (de) | 1996-03-27 |
GR3019451T3 (en) | 1996-06-30 |
ES2085650T3 (es) | 1996-06-01 |
CN1072580A (zh) | 1993-06-02 |
KR100264527B1 (ko) | 2000-09-01 |
DK0609284T3 (da) | 1996-05-20 |
CA2121136A1 (en) | 1993-04-29 |
EP0609284A1 (de) | 1994-08-10 |
KR940702696A (ko) | 1994-09-17 |
ATA210191A (de) | 1993-05-15 |
WO1993007771A1 (de) | 1993-04-29 |
JPH07500385A (ja) | 1995-01-12 |
RU2083146C1 (ru) | 1997-07-10 |
ATE135892T1 (de) | 1996-04-15 |
DE59205875D1 (de) | 1996-05-02 |
GEP19991509B (en) | 1999-03-05 |
UA27822C2 (uk) | 2000-10-16 |
AT396862B (de) | 1993-12-27 |
ZA928128B (en) | 1993-05-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry | ||
MKEX | Expiry |
Effective date: 20121016 |