GB1009535A
(en)
*
|
1963-10-15 |
1965-11-10 |
British American Tobacco Co |
Improvements in tobacco-smoke filters
|
US3338246A
(en)
*
|
1964-05-04 |
1967-08-29 |
Union Carbide Corp |
Smoking tobacco preparation
|
US3330285A
(en)
*
|
1964-07-14 |
1967-07-11 |
Arthur E Bergquist |
Filtering material and process
|
CH468797A
(en)
*
|
1965-01-11 |
1969-02-28 |
De Rech S Tech Ets |
Filter stoppers for tobacco products, in particular for cigarettes
|
US3357320A
(en)
*
|
1965-02-05 |
1967-12-12 |
Brown & Williamson Tobacco |
Multiple filter assembly apparatus
|
US3420245A
(en)
*
|
1965-02-05 |
1969-01-07 |
Eastman Kodak Co |
Particulate cellulose acetate tobacco smoke filter
|
US3426763A
(en)
*
|
1965-07-21 |
1969-02-11 |
Eastman Kodak Co |
Tobacco smoke filter having a coated carbon additive
|
US3428056A
(en)
*
|
1965-07-21 |
1969-02-18 |
Eastman Kodak Co |
Tobacco smoke filter incorporating coated polyolefin additive
|
US3428054A
(en)
*
|
1965-10-18 |
1969-02-18 |
Chemway Filters Inc |
Filter
|
US3416541A
(en)
*
|
1965-10-24 |
1968-12-17 |
Andrew C. Hoover Jr. |
Cigarette filter
|
US3351072A
(en)
*
|
1965-11-16 |
1967-11-07 |
Esco Corp |
Tobacco smoke filter
|
US3460543A
(en)
*
|
1966-03-21 |
1969-08-12 |
Liggett & Myers Inc |
Cigarette filter
|
US3410277A
(en)
*
|
1966-08-10 |
1968-11-12 |
Lorillard Co P |
Tobacco having an oxadiazole additive
|
US3434479A
(en)
*
|
1966-09-15 |
1969-03-25 |
Liggett & Myers Tobacco Co |
Permanganate tobacco smoke filter
|
US3424168A
(en)
*
|
1966-11-21 |
1969-01-28 |
Pittsburgh Activated Carbon Co |
Removing contaminants from cigarette smoke
|
US3390687A
(en)
*
|
1967-01-23 |
1968-07-02 |
Riviana Foods Inc |
Tobacco smoke filter for cigarettes, cigars, pipes and the like
|
US3403690A
(en)
*
|
1967-03-07 |
1968-10-01 |
Brown & Williamson Tobacco |
Filters for tobacco smoke
|
US3390688A
(en)
*
|
1967-03-13 |
1968-07-02 |
Eastman Kodak Co |
Filter for removing oxides of nitrogen from tobacco smoke
|
US3459194A
(en)
*
|
1967-05-22 |
1969-08-05 |
Bertram Eichel |
Tobacco product incorporating a filter designed to inhibit the adverse effect of tobacco smoke on oral ubiquitous leucocytes
|
US3527235A
(en)
*
|
1968-05-24 |
1970-09-08 |
Matra Corp |
Tobacco smoke filter device
|
US3502087A
(en)
*
|
1968-07-05 |
1970-03-24 |
Ernest J Romano |
Cigarette filter
|
US3602233A
(en)
*
|
1969-05-06 |
1971-08-31 |
Ppg Industries Inc |
Smoking device incorporating microporous glass particle filter
|
US3635226A
(en)
*
|
1969-06-16 |
1972-01-18 |
British American Tobacco Co |
Tobacco-smoke filters
|
US3664350A
(en)
*
|
1969-12-12 |
1972-05-23 |
Byron T Wall |
Cigarette
|
US3658069A
(en)
*
|
1970-02-17 |
1972-04-25 |
Stanford Research Inst |
Filter for reducing the level of carbon monoxide in tobacco smoke
|
US3596665A
(en)
*
|
1970-03-04 |
1971-08-03 |
Knud Lindgard |
Tobacco smoke filter
|
GB1284673A
(en)
*
|
1970-04-20 |
1972-08-09 |
British American Tobacco Co |
Improvements relating to tobacco-smoke filters
|
USRE28858E
(en)
*
|
1970-09-25 |
1976-06-15 |
Brown & Williamson Tobacco Corporation |
Selective gas phase filter material
|
US3636957A
(en)
*
|
1971-03-05 |
1972-01-25 |
Charles M Saffer Jr |
Cigar smoke filter and method for improving the quality of cigar smoke
|
US3703901A
(en)
*
|
1971-03-11 |
1972-11-28 |
Liggett & Myers Inc |
Tobacco composition
|
US3809097A
(en)
*
|
1971-07-27 |
1974-05-07 |
B Clayton |
Tobacco smoke filter
|
US3802441A
(en)
*
|
1972-01-26 |
1974-04-09 |
Brown & Williamson Tobacco |
Tobacco smoke filter additive
|
GB1381800A
(en)
*
|
1972-04-26 |
1975-01-29 |
Rothmans Of Pall Mall |
Filter for tobacco smoke
|
US3858587A
(en)
*
|
1974-02-05 |
1975-01-07 |
Anthony R Cavelli |
Magna-tip
|
US3998232A
(en)
*
|
1974-10-31 |
1976-12-21 |
Smith Avery B |
Filtering tobacco smoke
|
JPS5198399A
(en)
*
|
1975-02-26 |
1976-08-30 |
|
|
FR2306645A1
(en)
*
|
1975-04-11 |
1976-11-05 |
Bour Andre |
Filter element for cigarettes, cigars and pipes - with mineral filter medium kept in position by cellulose-type filters
|
US4038992A
(en)
*
|
1975-09-29 |
1977-08-02 |
The Japan Tobacco & Salt Public Corporation |
Granular composition for tobacco filter
|
US4149549A
(en)
*
|
1976-05-17 |
1979-04-17 |
Montclair Research Corporation |
Cigarette and filter
|
CH608177A5
(en)
*
|
1977-02-21 |
1978-12-29 |
Neukomm Serge |
|
US4266561A
(en)
*
|
1978-04-10 |
1981-05-12 |
Brown & Williamson Tobacco Corporation |
Tobacco smoke filtering compositions
|
US4226250A
(en)
*
|
1978-07-12 |
1980-10-07 |
Peterson Labs., Inc. |
Smoking system to filter tobacco smoke
|
FI67478C
(en)
*
|
1979-11-13 |
1985-04-10 |
British American Tobacco Co |
FILTER FOER TOBAKSROEK
|
DE3013256C2
(en)
*
|
1980-04-03 |
1988-06-16 |
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München |
Process for the production of highly specific activated carbon, the carbon obtained in the process and its use
|
JPS58141775A
(en)
*
|
1982-02-16 |
1983-08-23 |
サントリー株式会社 |
Filter for tobacco
|
US4889143A
(en)
*
|
1986-05-14 |
1989-12-26 |
R. J. Reynolds Tobacco Company |
Cigarette rods and filters containing strands provided from sheet-like materials
|
US5360023A
(en)
*
|
1988-05-16 |
1994-11-01 |
R. J. Reynolds Tobacco Company |
Cigarette filter
|
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
|
US5063196A
(en)
*
|
1989-06-23 |
1991-11-05 |
Calgon Carbon Corporation |
Chromium-free impregnated activated carbon for adsorption of toxic gases and/or vapors
|
US5404890A
(en)
*
|
1993-06-11 |
1995-04-11 |
R. J. Reynolds Tobacco Company |
Cigarette filter
|
DE59506078D1
(en)
*
|
1994-07-19 |
1999-07-08 |
Bat Cigarettenfab Gmbh |
Tobacco cartridge
|
US5678576A
(en)
*
|
1995-01-06 |
1997-10-21 |
Nazaroff; William W. |
Apparatus for treating environmental tobacco smoke (ETS) particle and gas-phase contaminants
|
US6209547B1
(en)
|
1998-10-29 |
2001-04-03 |
Philip Morris Incorporated |
Cigarette filter
|
US6591839B2
(en)
|
1999-02-17 |
2003-07-15 |
Dieter Meyer |
Filter material for reducing harmful substances in tobacco smoke
|
US6344071B1
(en)
|
2000-05-22 |
2002-02-05 |
3M Innovative Properties Company |
Broad spectrum filter system for filtering contaminants from air or other gases
|
US6911189B1
(en)
|
1999-10-29 |
2005-06-28 |
Philip Morris Usa Inc. |
Filter for selective removal of a gaseous component
|
MY128157A
(en)
*
|
2000-04-20 |
2007-01-31 |
Philip Morris Prod |
High efficiency cigarette filters having shaped micro cavity fibers impregnated with adsorbent or absorbent materials
|
ES2336646T3
(en)
*
|
2000-09-18 |
2010-04-15 |
ROTHMANS, BENSON & HEDGES INC. |
LOW EMISSION CIGARETTE OF SECONDARY CURRENT SMOKE WITH FUEL PAPER.
|
AU2002228901A1
(en)
*
|
2000-11-10 |
2002-05-21 |
Vector Tobacco (Bermuda) Ltd. |
Method and product for removing carcinogens from tobacco smoke
|
US6481442B1
(en)
*
|
2000-11-28 |
2002-11-19 |
Lorillard Licensing Company, Llc |
Smoking article including a filter for selectively removing carbonyls
|
ITPI20010014A1
(en)
*
|
2001-03-05 |
2002-09-05 |
Ivo Pera |
COMPOUND FOR FILTERS FOR CIGARETTES, OR OTHER SMOKING ITEMS, BASED ON ANTIOXIDANT SUBSTANCES AND THE FILTER SO OBTAINED
|
US6767860B2
(en)
|
2001-05-10 |
2004-07-27 |
3M Innovative Properties Company |
Sublimation of solid organic compounds onto substrate surfaces in the presence of a fluid impregnant
|
US7011096B2
(en)
|
2001-08-31 |
2006-03-14 |
Philip Morris Usa Inc. |
Oxidant/catalyst nanoparticles to reduce carbon monoxide in the mainstream smoke of a cigarette
|
ATE332746T1
(en)
*
|
2001-09-14 |
2006-08-15 |
Rothmans Benson & Hedges |
METHOD FOR PRODUCING MICROPOROUS MATERIALS WHICH ARE COATED WITH OXIDES OF RARE EARTH METALS
|
AU2002340407A1
(en)
*
|
2001-11-09 |
2003-05-26 |
Vector Tobacco Inc. |
Method and composition for mentholation of charcoal filtered cigarettes
|
WO2003053176A2
(en)
*
|
2001-12-19 |
2003-07-03 |
Vector Tobacco Inc. |
Method and compositions for imparting cooling effect to tobacco products
|
ATE341952T1
(en)
*
|
2001-12-19 |
2006-11-15 |
Vector Tobacco Ltd |
METHOD AND COMPOSITION FOR MENTHOL ENCOURAGEMENT OF CIGARETTES
|
MY143467A
(en)
*
|
2002-03-15 |
2011-05-31 |
Rothmans Benson & Hedges |
Low sidestream smoke cigarette with combustible paper having a modified ash
|
US6769437B2
(en)
|
2002-04-08 |
2004-08-03 |
Philip Morris Incorporated |
Use of oxyhydroxide compounds for reducing carbon monoxide in the mainstream smoke of a cigarette
|
KR100961605B1
(en)
*
|
2002-04-12 |
2010-06-07 |
필립모리스 프로덕츠 에스.에이. |
Partially reduced nanoparticle additives
|
US6782892B2
(en)
|
2002-08-30 |
2004-08-31 |
Philip Morris Usa Inc. |
Manganese oxide mixtures in nanoparticle form to lower the amount of carbon monoxide and/or nitric oxide in the mainstream smoke of a cigarette
|
US20040231684A1
(en)
*
|
2003-05-20 |
2004-11-25 |
Zawadzki Michael A. |
Smoking article and smoking article filter
|
US8066011B2
(en)
*
|
2003-09-30 |
2011-11-29 |
R. J. Reynolds Tobacco Company |
Filtered cigarette incorporating an adsorbent material
|
US7237558B2
(en)
*
|
2003-09-30 |
2007-07-03 |
R. J. Reynolds Tobacco Company |
Filtered cigarette incorporating an adsorbent material
|
US7669604B2
(en)
*
|
2003-09-30 |
2010-03-02 |
R.J. Reynolds Tobacco Company |
Filtered cigarette incorporating an adsorbent material
|
US7240678B2
(en)
*
|
2003-09-30 |
2007-07-10 |
R. J. Reynolds Tobacco Company |
Filtered cigarette incorporating an adsorbent material
|
US7856990B2
(en)
*
|
2003-09-30 |
2010-12-28 |
R. J. Reynolds Tobacco Company |
Filtered cigarette incorporating an adsorbent material
|
US8701681B2
(en)
|
2003-10-27 |
2014-04-22 |
Philip Morris Usa Inc. |
Use of oxyhydroxide compounds in cigarette paper for reducing carbon monoxide in the mainstream smoke of a cigarette
|
US8051859B2
(en)
|
2003-10-27 |
2011-11-08 |
Philip Morris Usa Inc. |
Formation and deposition of sputtered nanoscale particles in cigarette manufacture
|
US7640936B2
(en)
*
|
2003-10-27 |
2010-01-05 |
Philip Morris Usa Inc. |
Preparation of mixed metal oxide catalysts from nanoscale particles
|
US7509961B2
(en)
|
2003-10-27 |
2009-03-31 |
Philip Morris Usa Inc. |
Cigarettes and cigarette components containing nanostructured fibril materials
|
DE602005023339D1
(en)
*
|
2004-11-10 |
2010-10-14 |
Philip Morris Prod |
FILTERS WITH CAPSULAR, ADDICTED SOCKS
|
GB0506278D0
(en)
*
|
2005-03-29 |
2005-05-04 |
British American Tobacco Co |
Porous carbon materials and smoking articles and smoke filters therefor incorporating such materials
|
US20070056600A1
(en)
*
|
2005-09-14 |
2007-03-15 |
R. J. Reynolds Tobacco Company |
Filtered smoking article
|
US8042552B2
(en)
|
2005-12-13 |
2011-10-25 |
Philip Morris Usa Inc. |
Incorporation of ammonia-release compounds in smoking articles
|
UA92214C2
(en)
*
|
2006-03-31 |
2010-10-11 |
Филип Моррис Продактс С.А. |
Filter element, a cigarette, comprising thereof, and a method for making the filter element
|
US20070235049A1
(en)
*
|
2006-03-31 |
2007-10-11 |
Philip Morris Usa Inc. |
Magnetic filter elements and cigarettes having magnetic filter elements
|
US8739802B2
(en)
|
2006-10-02 |
2014-06-03 |
R.J. Reynolds Tobacco Company |
Filtered cigarette
|
US20080135058A1
(en)
*
|
2006-12-08 |
2008-06-12 |
Ted Calvin Germroth |
Tobacco smoke filter and method for removal of aldehydes from tobacco smoke
|
US7855261B2
(en)
*
|
2006-12-08 |
2010-12-21 |
Eastman Chemical Company |
Aldehyde removal
|
US20080134893A1
(en)
*
|
2006-12-08 |
2008-06-12 |
Thauming Kuo |
Particulate filter media
|
EP2130444A1
(en)
|
2008-06-06 |
2009-12-09 |
Xavier Wertz |
Smokable material and smokable articles
|
WO2010114096A1
(en)
*
|
2009-04-03 |
2010-10-07 |
日本たばこ産業株式会社 |
Carbon monooxide-reducing catalyst for smoking article, and process for producing same
|
GB201112539D0
(en)
*
|
2011-07-21 |
2011-08-31 |
British American Tobacco Co |
Porous carbon and methods of production thereof
|
US20150335070A1
(en)
*
|
2014-05-20 |
2015-11-26 |
R.J. Reynolds Tobacco Company |
Electrically-powered aerosol delivery system
|
US20160073695A1
(en)
*
|
2014-05-20 |
2016-03-17 |
R. J. Reynolds Tobacco Company |
Electrically-powered aerosol delivery system
|
US20190307165A1
(en)
*
|
2018-04-09 |
2019-10-10 |
Timothy Carney |
Hand-held smoke containment and filter device
|
CN111085170B
(en)
*
|
2019-12-26 |
2022-10-25 |
中国电建集团中南勘测设计研究院有限公司 |
Biochar adsorbing material and application thereof
|
CN113115980B
(en)
*
|
2021-04-01 |
2023-06-30 |
中国烟草总公司郑州烟草研究院 |
Method for reducing phenol content in waste gas
|