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1964-08-27 |
1968-05-08 |
Courtaulds Ltd |
Filter elements
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1965-07-21 |
1969-02-11 |
Eastman Kodak Co |
Tobacco smoke filter having a coated carbon additive
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1965-07-21 |
1969-02-18 |
Eastman Kodak Co |
Tobacco smoke filter incorporating coated polyolefin additive
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1969-04-30 |
1971-08-17 |
American Filtrona Corp |
Cigarette filter
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1970-08-11 |
1972-03-14 |
American Filtrona Corp |
Tobacco smoke filter
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1973-04-20 |
1977-11-22 |
Rothmans Of Pall Mall Canada Limited |
Filter for tobacco smoke
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1975-04-25 |
1978-05-30 |
Loews Theatres, Inc. |
Article for the selective removal of hydrogen cyanide from tobacco smoke
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1987-03-25 |
1988-10-13 |
Wab Kosmetik Kuhs Ohg |
Ersatzzigarette
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GB2212705B
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1987-11-27 |
1991-09-04 |
Cigarette Components Ltd |
Paper filters
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1988-05-16 |
1994-11-01 |
R. J. Reynolds Tobacco Company |
Cigarette filter
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1988-09-28 |
1992-09-29 |
Eastman Kodak Company |
Process for the production of tobacco smoke filters
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1988-09-28 |
1990-10-23 |
Eastman Kodak Company |
Tobacco smoke filters and process for production thereof
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GB8823388D0
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1988-10-05 |
1988-11-09 |
Cigarette Components Ltd |
Tobacco smoke filter containing particulate additive
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1989-09-26 |
1989-11-08 |
Cigarette Components Ltd |
Particulate sorbent smoke filter
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1989-10-26 |
1991-12-24 |
R. J. Reynolds Tobacco Company |
Cigarette and cigarette filter
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1993-03-30 |
1997-03-04 |
American Filtrona Corporation |
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1993-06-11 |
1995-04-11 |
R. J. Reynolds Tobacco Company |
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1993-12-14 |
1996-04-23 |
American Filtrona Corporation |
Bicomponent fibers and tobacco smoke filters formed therefrom
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1994-08-23 |
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Schweitzer-Mauduit International, Inc. |
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2000-08-09 |
2013-11-26 |
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2003-09-30 |
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2003-09-30 |
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2003-09-30 |
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Filtered cigarette incorporating an adsorbent material
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2004-03-08 |
2005-09-14 |
Acetate Products Limited |
Process for making filter tow
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2005-03-29 |
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British American Tobacco Co |
Porous carbon materials and smoking articles and smoke filters therefor incorporating such materials
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2006-03-16 |
2007-09-20 |
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Smoking article
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2005-08-01 |
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2005-09-23 |
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2006-03-16 |
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Smoking article
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2006-03-31 |
2007-10-11 |
Philip Morris Usa Inc. |
Magnetic filter elements and cigarettes having magnetic filter elements
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2006-03-31 |
2010-10-11 |
Филип Моррис Продактс С.А. |
Фильтровальный элемент, сигарета, которая включает его в себе, и способ изготовления фильтровального элемента
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2006-10-02 |
2014-06-03 |
R.J. Reynolds Tobacco Company |
Filtered cigarette
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2007-04-04 |
2012-05-29 |
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Cigarette comprising dark air-cured tobacco
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2012-05-31 |
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2008-05-21 |
2011-12-20 |
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Method of forming a cigarette filter rod member
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2008-05-21 |
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Cigarette filter comprising a carbonaceous fiber
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2008-05-21 |
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Apparatus and associated method for forming a filter component of a smoking article and smoking articles made therefrom
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2008-05-21 |
2013-12-24 |
R.J. Reynolds Tobacco Company |
Cigarette filter comprising a degradable fiber
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2008-08-01 |
2018-03-07 |
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Devices and methods for the purification, isolation, desalting or buffer/solvent exchange of substances
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2008-10-14 |
2008-11-19 |
British American Tobacco Co |
Smoking article
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2008-11-20 |
2012-02-21 |
R. J. Reynolds Tobacco Company |
Carbonaceous material having modified pore structure
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2008-11-20 |
2013-08-20 |
R. J. Reynolds Tobacco Company |
Adsorbent material impregnated with metal oxide component
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2009-11-11 |
2015-04-07 |
R.J. Reynolds Tobacco Company |
Filter element comprising smoke-altering material
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2010-01-27 |
2011-07-28 |
R.J. Reynolds Tobacco Company |
Apparatus and associated method for forming a filter component of a smoking article
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2010-05-07 |
2011-11-10 |
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Filtered Cigarette With Modifiable Sensory Characteristics
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2010-05-12 |
2010-06-30 |
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Filter additive
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2010-07-30 |
2014-05-13 |
R.J. Reynolds Tobacco Company |
Filter element comprising multifunctional fibrous smoke-altering material
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2011-04-08 |
2024-04-16 |
R.J. Reynolds Tobacco Company |
Multi-segment filter element including smoke-altering flavorant
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2011-04-08 |
2020-04-07 |
R.J. Reynolds Tobacco Company |
Filtered cigarette comprising a tubular element in filter
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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
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2014-05-23 |
2018-09-18 |
Greenbutts Llc |
Biodegradable cigarette filter tow and method of manufacture
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2019-03-29 |
2022-10-11 |
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
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EP4022113A1
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2019-08-27 |
2022-07-06 |
Acetate International LLC |
Cellulose acetate tow with low dpf and low titanium dioxide content
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EP4022114A1
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2019-08-27 |
2022-07-06 |
Acetate International LLC |
Cellulose acetate tow with high dpf and low titanium dioxide content
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