DE1300854B - Filter fuer Zigaretten - Google Patents
Filter fuer ZigarettenInfo
- Publication number
- DE1300854B DE1300854B DER40626A DER0040626A DE1300854B DE 1300854 B DE1300854 B DE 1300854B DE R40626 A DER40626 A DE R40626A DE R0040626 A DER0040626 A DE R0040626A DE 1300854 B DE1300854 B DE 1300854B
- Authority
- DE
- Germany
- Prior art keywords
- filters
- acid
- carboxylic acid
- acid alkyl
- cellulose
- 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
Links
- 235000019504 cigarettes Nutrition 0.000 title claims description 5
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 claims description 16
- 230000002378 acidificating effect Effects 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 9
- 229940081735 acetylcellulose Drugs 0.000 claims description 8
- 229920002301 cellulose acetate Polymers 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 235000013773 glyceryl triacetate Nutrition 0.000 claims description 8
- 229960002622 triacetin Drugs 0.000 claims description 8
- SMEGJBVQLJJKKX-HOTMZDKISA-N [(2R,3S,4S,5R,6R)-5-acetyloxy-3,4,6-trihydroxyoxan-2-yl]methyl acetate Chemical compound CC(=O)OC[C@@H]1[C@H]([C@@H]([C@H]([C@@H](O1)O)OC(=O)C)O)O SMEGJBVQLJJKKX-HOTMZDKISA-N 0.000 claims description 7
- FWIQGIQRNBVZEN-UHFFFAOYSA-N 4-ethoxy-2-(2-ethoxy-2-oxoethyl)-2-hydroxy-4-oxobutanoic acid Chemical compound CCOC(=O)CC(O)(C(O)=O)CC(=O)OCC FWIQGIQRNBVZEN-UHFFFAOYSA-N 0.000 claims description 4
- 238000004132 cross linking Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000003431 cross linking reagent Substances 0.000 claims description 2
- 239000004745 nonwoven fabric Substances 0.000 claims description 2
- 244000248349 Citrus limon Species 0.000 claims 1
- 235000005979 Citrus limon Nutrition 0.000 claims 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 1
- 239000002253 acid Substances 0.000 description 10
- 229920002678 cellulose Polymers 0.000 description 9
- 239000001913 cellulose Substances 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 7
- 150000002148 esters Chemical class 0.000 description 6
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 5
- DOOTYTYQINUNNV-UHFFFAOYSA-N Triethyl citrate Chemical compound CCOC(=O)CC(O)(C(=O)OCC)CC(=O)OCC DOOTYTYQINUNNV-UHFFFAOYSA-N 0.000 description 5
- 229960002715 nicotine Drugs 0.000 description 5
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 5
- 239000000779 smoke Substances 0.000 description 5
- 150000007513 acids Chemical class 0.000 description 4
- 239000001069 triethyl citrate Substances 0.000 description 4
- VMYFZRTXGLUXMZ-UHFFFAOYSA-N triethyl citrate Natural products CCOC(=O)C(O)(C(=O)OCC)C(=O)OCC VMYFZRTXGLUXMZ-UHFFFAOYSA-N 0.000 description 4
- 235000013769 triethyl citrate Nutrition 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000001087 glyceryl triacetate Substances 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- -1 Diacetyltartaric acid monoethyl ester Chemical class 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- HGINADPHJQTSKN-UHFFFAOYSA-N Monoethyl malonic acid Chemical compound CCOC(=O)CC(O)=O HGINADPHJQTSKN-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 239000001630 malic acid Substances 0.000 description 2
- 235000011090 malic acid Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- ZUTRZLBAFUBAFK-UHFFFAOYSA-N 2-(1-ethoxy-1,3-dioxobutan-2-yl)-2-hydroxybutanedioic acid Chemical compound CCOC(=O)C(C(C)=O)C(O)(C(O)=O)CC(O)=O ZUTRZLBAFUBAFK-UHFFFAOYSA-N 0.000 description 1
- ZUDZWKJBYZAGBS-UHFFFAOYSA-N 4-ethoxy-2,3-dihydroxy-4-oxobutanoic acid Chemical compound CCOC(=O)C(O)C(O)C(O)=O ZUDZWKJBYZAGBS-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 235000015165 citric acid Nutrition 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Paper (AREA)
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DER40626A DE1300854B (de) | 1965-05-14 | 1965-05-14 | Filter fuer Zigaretten |
| FI1267/66A FI42685B (enrdf_load_stackoverflow) | 1965-05-14 | 1966-05-12 | |
| BE680932D BE680932A (enrdf_load_stackoverflow) | 1965-05-14 | 1966-05-12 | |
| LU51086A LU51086A1 (enrdf_load_stackoverflow) | 1965-05-14 | 1966-05-12 | |
| SE655066A SE219903C1 (enrdf_load_stackoverflow) | 1965-05-14 | 1966-05-12 | |
| NL666606594A NL154102B (nl) | 1965-05-14 | 1966-05-13 | Werkwijze voor het vervaardigen van sigarettenfilters en onder toepassing van die werkwijze verkregen sigarettenfilters. |
| CH700066A CH480810A (de) | 1965-05-14 | 1966-05-13 | Zigarettenfilter |
| GB21351/66A GB1079827A (en) | 1965-05-14 | 1966-05-13 | Cigarette filter |
| FR61464A FR1479836A (fr) | 1965-05-14 | 1966-05-13 | Filtre pour cigarettes |
| DK248066AA DK119757B (da) | 1965-05-14 | 1966-05-14 | Fremgangsmåde ved fremstilling af et cigaretfilter. |
| US550124A US3424172A (en) | 1965-05-14 | 1966-05-16 | Cigarette filters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DER40626A DE1300854B (de) | 1965-05-14 | 1965-05-14 | Filter fuer Zigaretten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1300854B true DE1300854B (de) | 1969-08-07 |
Family
ID=7406120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DER40626A Pending DE1300854B (de) | 1965-05-14 | 1965-05-14 | Filter fuer Zigaretten |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3424172A (enrdf_load_stackoverflow) |
| BE (1) | BE680932A (enrdf_load_stackoverflow) |
| CH (1) | CH480810A (enrdf_load_stackoverflow) |
| DE (1) | DE1300854B (enrdf_load_stackoverflow) |
| DK (1) | DK119757B (enrdf_load_stackoverflow) |
| FI (1) | FI42685B (enrdf_load_stackoverflow) |
| FR (1) | FR1479836A (enrdf_load_stackoverflow) |
| GB (1) | GB1079827A (enrdf_load_stackoverflow) |
| LU (1) | LU51086A1 (enrdf_load_stackoverflow) |
| NL (1) | NL154102B (enrdf_load_stackoverflow) |
| SE (1) | SE219903C1 (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2520496A1 (de) * | 1974-06-04 | 1975-12-18 | British American Tobacco Co | Tabakrauchfilter |
| US5052415A (en) * | 1988-06-13 | 1991-10-01 | B.A.T. Cigarettenfabriken Gmbh | Process for the impregnation of fibers of a tobacco smoke filter with dicarboxylic or polycarboxylic acids or anhydrides thereof |
| WO1997016986A1 (de) * | 1995-11-09 | 1997-05-15 | Rhodia Acetow Ag | Filterzigarette |
Families Citing this family (60)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4153064A (en) * | 1975-07-11 | 1979-05-08 | Daicel Ltd. | Cigarette filters |
| US5150723A (en) * | 1988-09-28 | 1992-09-29 | Eastman Kodak Company | Process for the production of tobacco smoke filters |
| US4964426A (en) * | 1988-09-28 | 1990-10-23 | Eastman Kodak Company | Tobacco smoke filters and process for production thereof |
| US5141006A (en) * | 1990-02-28 | 1992-08-25 | Eastman Kodak Company | Tobacco smoke filter material and process for production thereof |
| US5817159A (en) * | 1996-12-31 | 1998-10-06 | Cahill; Scott A. | Filter with interpenetrating polymer network that biodegrades |
| US7479098B2 (en) | 2005-09-23 | 2009-01-20 | R. J. Reynolds Tobacco Company | Equipment for insertion of objects into smoking articles |
| US7789089B2 (en) | 2006-08-04 | 2010-09-07 | R. J. Reynolds Tobacco Company | Filtered cigarette possessing tipping material |
| US8171941B2 (en) * | 2007-02-26 | 2012-05-08 | R. J. Reynolds Tobacco Company | Cigarette customization apparatus and associated method |
| US8186360B2 (en) * | 2007-04-04 | 2012-05-29 | R.J. Reynolds Tobacco Company | Cigarette comprising dark air-cured tobacco |
| US7972254B2 (en) | 2007-06-11 | 2011-07-05 | R.J. Reynolds Tobacco Company | Apparatus for inserting objects into a filter component of a smoking article, and associated method |
| US8186359B2 (en) | 2008-02-01 | 2012-05-29 | R. J. Reynolds Tobacco Company | System for analyzing a filter element associated with a smoking article, and associated method |
| US8613284B2 (en) | 2008-05-21 | 2013-12-24 | R.J. Reynolds Tobacco Company | Cigarette filter comprising a degradable fiber |
| ES2603646T3 (es) | 2008-05-21 | 2017-02-28 | R.J. Reynolds Tobacco Company | Filtro de cigarrillo que tiene estructuras de fibra compuesta |
| US8079369B2 (en) | 2008-05-21 | 2011-12-20 | R.J. Reynolds Tobacco Company | Method of forming a cigarette filter rod member |
| US20100059074A1 (en) * | 2008-09-05 | 2010-03-11 | R. J. Reynolds Tobacco Company | Inspection System for a Smoking Article Having an Object Inserted Therein, and Associated Method |
| US8308623B2 (en) * | 2008-10-28 | 2012-11-13 | R.J. Reynolds Tobacco Company | Apparatus for enhancing a filter component of a smoking article, and associated method |
| US20100108084A1 (en) * | 2008-10-31 | 2010-05-06 | Norman Alan B | Filtered cigarette with diffuse tipping material |
| US20100108081A1 (en) * | 2008-10-31 | 2010-05-06 | Leigh Ann Blevins Joyce | Filtered cigarette with flavored tipping material |
| US8522515B2 (en) * | 2009-01-26 | 2013-09-03 | R.J. Reynolds Tobacco Company | Method and apparatus for customizing cigarette packages |
| US8262550B2 (en) | 2009-03-19 | 2012-09-11 | R. J. Reynolds Tobacco Company | Apparatus for inserting objects into a filter component of a smoking article |
| US8808153B2 (en) * | 2009-07-14 | 2014-08-19 | Aiger Group Ag | Apparatus for assembly of multi-segment rod-like articles |
| US8434498B2 (en) * | 2009-08-11 | 2013-05-07 | R. J. Reynolds Tobacco Company | Degradable filter element |
| US8997755B2 (en) * | 2009-11-11 | 2015-04-07 | R.J. Reynolds Tobacco Company | Filter element comprising smoke-altering material |
| US20110162662A1 (en) * | 2010-01-05 | 2011-07-07 | Aiger Group Ag | Apparatus and method for insertion of capsules into filter tows |
| US9131730B2 (en) * | 2010-01-07 | 2015-09-15 | Aiger Group Ag | System and apparatus for registration of different objects in rod shaped articles |
| US8760508B2 (en) * | 2010-01-13 | 2014-06-24 | R.J. Reynolds Tobacco Company | Filtered smoking article inspection system, and associated method |
| US20110271968A1 (en) | 2010-05-07 | 2011-11-10 | Carolyn Rierson Carpenter | Filtered Cigarette With Modifiable Sensory Characteristics |
| US20120000481A1 (en) | 2010-06-30 | 2012-01-05 | Dennis Potter | Degradable filter element for smoking article |
| US20120017925A1 (en) | 2010-06-30 | 2012-01-26 | Sebastian Andries D | Degradable cigarette filter |
| US8950407B2 (en) | 2010-06-30 | 2015-02-10 | R.J. Reynolds Tobacco Company | Degradable adhesive compositions for smoking articles |
| WO2012012053A1 (en) | 2010-06-30 | 2012-01-26 | R.J. Reynolds Tobacco Company | Biodegradable cigarette filter |
| US8720450B2 (en) | 2010-07-30 | 2014-05-13 | R.J. Reynolds Tobacco Company | Filter element comprising multifunctional fibrous smoke-altering material |
| US8622882B2 (en) | 2010-09-27 | 2014-01-07 | Aiger Group Ag | Apparatus and method for insertion of capsules into filter tows |
| US8475348B2 (en) | 2010-09-28 | 2013-07-02 | Aiger Group Ag | Apparatus and method for assembly of multi-segment rod-like articles |
| US20120120229A1 (en) | 2010-11-16 | 2012-05-17 | Rj Reynolds Tobacco Company | Cigarette package inspection system, and associated method |
| US11957163B2 (en) | 2011-04-08 | 2024-04-16 | R.J. Reynolds Tobacco Company | Multi-segment filter element including smoke-altering flavorant |
| US10609955B2 (en) | 2011-04-08 | 2020-04-07 | R.J. Reynolds Tobacco Company | Filtered cigarette comprising a tubular element in filter |
| US20120305015A1 (en) | 2011-05-31 | 2012-12-06 | Sebastian Andries D | Coated paper filter |
| WO2013004994A1 (en) * | 2011-07-07 | 2013-01-10 | Filtrona Filter Products Development Co.Pte.Ltd | Tobacco smoke filter and method of production |
| US9149070B2 (en) | 2011-07-14 | 2015-10-06 | R.J. Reynolds Tobacco Company | Segmented cigarette filter for selective smoke filtration |
| US8973588B2 (en) | 2011-07-29 | 2015-03-10 | R.J. Reynolds Tobacco Company | Plasticizer composition for degradable polyester filter tow |
| US9289012B2 (en) | 2011-07-29 | 2016-03-22 | R. J. Reynolds Tobacco Company | Plasticizer composition for degradable polyester filter tow |
| US10064429B2 (en) | 2011-09-23 | 2018-09-04 | R.J. Reynolds Tobacco Company | Mixed fiber product for use in the manufacture of cigarette filter elements and related methods, systems, and apparatuses |
| US20130085052A1 (en) | 2011-09-29 | 2013-04-04 | R. J. Reynolds Tobacco Company | Apparatus for Inserting Microcapsule Objects into a Filter Element of a Smoking Article, and Associated Method |
| US8831764B2 (en) | 2011-10-17 | 2014-09-09 | R. J. Reynolds Tobacco Company | Cigarette package coding system and associated method |
| US20130167849A1 (en) | 2011-12-28 | 2013-07-04 | Balager Ademe | Method of tipping for smoking article |
| US20130167851A1 (en) | 2011-12-28 | 2013-07-04 | Balager Ademe | Method of filter assembly for smoking article |
| US9179709B2 (en) | 2012-07-25 | 2015-11-10 | R. J. Reynolds Tobacco Company | Mixed fiber sliver for use in the manufacture of cigarette filter elements |
| AT513412B1 (de) | 2012-09-17 | 2014-07-15 | Tannpapier Gmbh | Mundstückbelagspapier |
| US9119419B2 (en) | 2012-10-10 | 2015-09-01 | R.J. Reynolds Tobacco Company | Filter material for a filter element of a smoking article, and associated system and method |
| US9664570B2 (en) | 2012-11-13 | 2017-05-30 | R.J. Reynolds Tobacco Company | System for analyzing a smoking article filter associated with a smoking article, and associated method |
| US20140261487A1 (en) | 2013-03-14 | 2014-09-18 | R. J. Reynolds Tobacco Company | Electronic smoking article with improved storage and transport of aerosol precursor compositions |
| US9974334B2 (en) | 2014-01-17 | 2018-05-22 | Rai Strategic Holdings, Inc. | Electronic smoking article with improved storage of aerosol precursor compositions |
| US9844232B2 (en) | 2014-03-11 | 2017-12-19 | R.J. Reynolds Tobacco Company | Smoking article inspection system and associated method |
| US10063814B2 (en) | 2014-03-12 | 2018-08-28 | R.J. Reynolds Tobacco Company | Smoking article package inspection system and associated method |
| US11641874B2 (en) | 2015-09-09 | 2023-05-09 | R.J. Reynolds Tobacco Company | Flavor delivery article |
| US20170172200A1 (en) | 2015-12-16 | 2017-06-22 | R.J. Reynolds Tobacco Company | Flavor additive accessory |
| US10524500B2 (en) | 2016-06-10 | 2020-01-07 | R.J. Reynolds Tobacco Company | Staple fiber blend for use in the manufacture of cigarette filter elements |
| US10383369B2 (en) | 2017-06-07 | 2019-08-20 | Rai Strategic Holdings, Inc. | Fibrous filtration material for electronic smoking article |
| US11388927B2 (en) | 2018-04-05 | 2022-07-19 | R.J. Reynolds Tobacco Company | Cigarette filter object insertion apparatus and associated method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3026226A (en) * | 1957-12-09 | 1962-03-20 | Eastman Kodak Co | Process of manufacturing filters |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA570399A (en) * | 1959-02-10 | Eastman Kodak Company | Filters for tobacco smoke comprising cellulose esters and ethers | |
| US3025861A (en) * | 1959-07-02 | 1962-03-20 | Eastman Kodak Co | Nonchanneling tobacco smoke filament filter |
| US3144024A (en) * | 1960-04-11 | 1964-08-11 | Darby Food Corp | Impregnated filter means for tobacco articles |
| US3285255A (en) * | 1965-06-07 | 1966-11-15 | Eastman Kodak Co | Polyolefin filter |
-
1965
- 1965-05-14 DE DER40626A patent/DE1300854B/de active Pending
-
1966
- 1966-05-12 SE SE655066A patent/SE219903C1/sv unknown
- 1966-05-12 FI FI1267/66A patent/FI42685B/fi active
- 1966-05-12 LU LU51086A patent/LU51086A1/xx unknown
- 1966-05-12 BE BE680932D patent/BE680932A/xx unknown
- 1966-05-13 CH CH700066A patent/CH480810A/de not_active IP Right Cessation
- 1966-05-13 GB GB21351/66A patent/GB1079827A/en not_active Expired
- 1966-05-13 FR FR61464A patent/FR1479836A/fr not_active Expired
- 1966-05-13 NL NL666606594A patent/NL154102B/xx not_active IP Right Cessation
- 1966-05-14 DK DK248066AA patent/DK119757B/da unknown
- 1966-05-16 US US550124A patent/US3424172A/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3026226A (en) * | 1957-12-09 | 1962-03-20 | Eastman Kodak Co | Process of manufacturing filters |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2520496A1 (de) * | 1974-06-04 | 1975-12-18 | British American Tobacco Co | Tabakrauchfilter |
| US5052415A (en) * | 1988-06-13 | 1991-10-01 | B.A.T. Cigarettenfabriken Gmbh | Process for the impregnation of fibers of a tobacco smoke filter with dicarboxylic or polycarboxylic acids or anhydrides thereof |
| WO1997016986A1 (de) * | 1995-11-09 | 1997-05-15 | Rhodia Acetow Ag | Filterzigarette |
| AU701048B2 (en) * | 1995-11-09 | 1999-01-21 | Rhodia Acetow Aktiengesellschaft | Filter cigarette |
| LT4447B (lt) | 1995-11-09 | 1999-01-25 | Rhodia Acetow Ag | Cigaretė su filtru |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1079827A (en) | 1967-08-16 |
| NL6606594A (enrdf_load_stackoverflow) | 1966-11-15 |
| FI42685B (enrdf_load_stackoverflow) | 1970-06-01 |
| LU51086A1 (enrdf_load_stackoverflow) | 1966-07-12 |
| NL154102B (nl) | 1977-08-15 |
| DK119757B (da) | 1971-02-15 |
| FR1479836A (fr) | 1967-05-05 |
| US3424172A (en) | 1969-01-28 |
| CH480810A (de) | 1969-11-15 |
| SE219903C1 (enrdf_load_stackoverflow) | 1968-04-02 |
| BE680932A (enrdf_load_stackoverflow) | 1966-10-17 |
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