US2511898A
(en)
*
|
|
1950-06-20 |
|
Cigarette holder |
US2592554A
(en)
*
|
1946-08-24 |
1952-04-15 |
Gen Cigar Co |
Resilient tobacco product and method of making the same
|
US2547119A
(en)
*
|
1947-04-08 |
1951-04-03 |
James J Henderson |
Cigarette
|
US2598680A
(en)
*
|
1947-06-13 |
1952-06-03 |
Gen Cigar Co |
Tobacco product and method of manufacture
|
US2592553A
(en)
*
|
1950-01-30 |
1952-04-15 |
Gen Cigar Co |
Tobacco products and processes therefor
|
US3098492A
(en)
*
|
1960-11-25 |
1963-07-23 |
Nat Starch Chem Corp |
Method of making tobacco product
|
NL282359A
(ru)
*
|
1961-09-19 |
|
|
|
US3260266A
(en)
*
|
1961-11-24 |
1966-07-12 |
Achilles Corp |
Cigarette holder
|
US3255760A
(en)
*
|
1962-08-03 |
1966-06-14 |
Kimberly Clark Co |
Tobacco product which produces less tars
|
CH426594A
(de)
*
|
1964-03-10 |
1966-12-15 |
Ent Keller Hans |
Filteranordnung für Rauchwaren
|
US3323525A
(en)
*
|
1964-07-14 |
1967-06-06 |
Achilles Corp |
Cigarette holder
|
US3318312A
(en)
*
|
1964-07-27 |
1967-05-09 |
Jr Joseph A Curtis |
Cigarette assembly
|
US3234949A
(en)
*
|
1964-09-18 |
1966-02-15 |
Oswald C Svehaug |
Cigarette construction
|
US3389705A
(en)
*
|
1966-04-29 |
1968-06-25 |
Levavi David |
Cigarette smoke filter device
|
US3441028A
(en)
*
|
1967-03-27 |
1969-04-29 |
Byron T Wall |
Apparatus for and method of removing condensible compounds from tobacco smoke
|
US3496945A
(en)
*
|
1967-03-31 |
1970-02-24 |
Abraham Emil Tomkin |
Air-admixed cigarette utilizing restrictive-flow orifice
|
US3457927A
(en)
*
|
1968-02-20 |
1969-07-29 |
Frank Siragusa |
Filter
|
CH493216A
(fr)
*
|
1968-07-12 |
1970-07-15 |
Delcron Products Inc |
Dispositif pour fumer
|
US3504677A
(en)
*
|
1969-02-19 |
1970-04-07 |
Max J Doppelt |
Cigarette and/or cigarette holder
|
US3599646A
(en)
*
|
1969-04-30 |
1971-08-17 |
American Filtrona Corp |
Cigarette filter
|
US3581748A
(en)
*
|
1969-07-02 |
1971-06-01 |
Int Automated Electronics Corp |
Cigarette filter
|
US3646941A
(en)
*
|
1969-09-15 |
1972-03-07 |
E A Carey Pipe Co |
Cigarette and/or cigarette holder
|
US3648712A
(en)
*
|
1970-01-29 |
1972-03-14 |
Celanese Corp |
Cigarette filter construction
|
US3637447A
(en)
*
|
1970-06-10 |
1972-01-25 |
American Filtrona Corp |
Method of making filter means by crimping and overwrapping a tubular element
|
US3738375A
(en)
*
|
1971-07-08 |
1973-06-12 |
G Doumas |
Adjustable tobacco smoke filter device
|
US4016887A
(en)
*
|
1973-06-21 |
1977-04-12 |
Miroslav Uroshevich |
Two-stage tobacco smoke filter
|
US3931824A
(en)
*
|
1973-09-10 |
1976-01-13 |
Celanese Corporation |
Smoking materials
|
US4197863A
(en)
*
|
1974-05-02 |
1980-04-15 |
Benjamin Clayton |
Tobacco smoke filter
|
US3877470A
(en)
*
|
1974-05-02 |
1975-04-15 |
Bio Gant Corp |
Smoker{3 s filter device
|
US3968804A
(en)
*
|
1974-05-20 |
1976-07-13 |
Amf Incorporated |
Extruded tobacco sheet
|
US4022222A
(en)
*
|
1975-11-06 |
1977-05-10 |
American Filtrona Corporation |
Tobacco smoke filter
|
US4038994A
(en)
*
|
1975-11-10 |
1977-08-02 |
Aikman Leslie N |
Tobacco smoke filter unit
|
GB1508084A
(en)
*
|
1976-03-17 |
1978-04-19 |
British American Tobacco Co |
Tobacco-smoke filters
|
JPS52154599A
(en)
*
|
1976-06-15 |
1977-12-22 |
Japan Tobacco Inc |
Method for imparting water resistance to molded smoking composition
|
US4091821A
(en)
*
|
1976-11-02 |
1978-05-30 |
Scorzo Samuel P |
Smoking article having an ignition suppression disk
|
CA1096737A
(en)
*
|
1977-03-14 |
1981-03-03 |
Jan Van Tilburg |
Smoke filters
|
US4158364A
(en)
*
|
1977-09-22 |
1979-06-19 |
Albert P. Marinko |
Tobacco smoke filter
|
US4182349A
(en)
*
|
1977-11-04 |
1980-01-08 |
Kimberly-Clark Corporation |
Method of making reconstituted tobacco
|
US4209026A
(en)
*
|
1977-12-02 |
1980-06-24 |
Dock Mortimer R |
Method of securing a filtering mass for tobacco smoke within a housing encompassing said mass
|
US4256126A
(en)
*
|
1978-08-02 |
1981-03-17 |
Philip Morris Incorporated |
Smokable material and its method of preparation
|
US4256122A
(en)
*
|
1979-04-11 |
1981-03-17 |
Brown & Williamson Tobacco Corporation |
Cigarette filter
|
GB2064296B
(en)
*
|
1979-11-16 |
1983-06-22 |
Imp Group Ltd |
Cigarette or cigarette-like device which produces aerosol in smoke
|
CA1156533A
(en)
*
|
1980-05-01 |
1983-11-08 |
Henry G. Horsewell |
Smoking articles
|
US4508525A
(en)
*
|
1980-05-27 |
1985-04-02 |
American Filtrona Corporation |
Method and apparatus for producing tobacco smoke filter having improved tar/carbon monoxide ratio
|
US4460001A
(en)
*
|
1980-09-08 |
1984-07-17 |
Celanese Corporation |
Process for preparing compound filter
|
US4341228A
(en)
*
|
1981-01-07 |
1982-07-27 |
Philip Morris Incorporated |
Method for employing tobacco dust in a paper-making type preparation of reconstituted tobacco and the smoking material produced thereby
|
US4637409A
(en)
*
|
1981-05-07 |
1987-01-20 |
American Filtrona Corporation |
Tobacco smoke filter and method and apparatus for making same
|
US4386618A
(en)
*
|
1981-06-29 |
1983-06-07 |
Brown & Williamson Tobacco Corporation |
Cigarette filter
|
US4984588A
(en)
*
|
1981-09-14 |
1991-01-15 |
Philip Morris Incorporated |
Low delivery cigarette
|
US5392793A
(en)
*
|
1981-10-25 |
1995-02-28 |
Rothmans International Services Limited |
Smoking article with means to raise temperature of smoke
|
US4564030A
(en)
*
|
1982-07-16 |
1986-01-14 |
Loew's Theatres, Inc. |
Cigarette filter assembly
|
ZA834186B
(en)
*
|
1982-07-29 |
1984-07-25 |
Terasaki Masahiro |
Cigarette holder with tar collecting means
|
US4649944A
(en)
*
|
1982-09-30 |
1987-03-17 |
Philip Morris Incorporated |
Filter cigarette
|
GB8309451D0
(en)
*
|
1983-04-07 |
1983-05-11 |
Gallaher Ltd |
Buccal and device for smoking rod
|
US4515170A
(en)
*
|
1983-05-09 |
1985-05-07 |
Brown & Williamson Tobacco Corporation |
Ventilated mouthpiece for a smoking article
|
US4506683A
(en)
*
|
1983-05-09 |
1985-03-26 |
Brown & Williamson Tobacco Corporation |
Ventilated mouthpiece for a smoking article
|
US4559955A
(en)
*
|
1983-06-20 |
1985-12-24 |
Link Electronics Ltd |
Controlled air bleed cigarette holder
|
US4646762A
(en)
*
|
1983-12-05 |
1987-03-03 |
Brown & Williamson Tobacco Corporation |
Cigarette having a mouthpiece
|
US4585015A
(en)
*
|
1984-11-16 |
1986-04-29 |
Brown & Williamson Tobacco Corporation |
Cigarette filter
|
GB8429104D0
(en)
*
|
1984-11-17 |
1984-12-27 |
British American Tobacco Co |
Tobacco smoke filters
|
GB8518385D0
(en)
*
|
1985-07-20 |
1985-08-29 |
British American Tobacco Co |
Tobacco smoke filters
|
US4677992A
(en)
*
|
1986-02-10 |
1987-07-07 |
Bliznak Bedrich V |
Smoking apparatus having convoluted filtering/heat-reduction passageway
|
US4732168A
(en)
*
|
1986-05-15 |
1988-03-22 |
R. J. Reynolds Tobacco Company |
Smoking article employing heat conductive fingers
|
DE3624661A1
(de)
*
|
1986-07-22 |
1988-02-04 |
Rhodia Ag |
Ventilierte zigarette
|
GB8713904D0
(en)
*
|
1987-06-15 |
1987-07-22 |
Tabac Fab Reunies Sa |
Filter for smoking articles
|
GB8721876D0
(en)
*
|
1987-09-17 |
1987-10-21 |
Rothmans Int Tobacco |
Cigarette filter
|
US4924886A
(en)
*
|
1988-11-21 |
1990-05-15 |
Brown & Williamson Tobacco Corporation |
Smoking article
|
US5129408A
(en)
*
|
1990-08-15 |
1992-07-14 |
R. J. Reynolds Tobacco Company |
Cigarette and smokable filler material therefor
|
US5105836A
(en)
*
|
1989-09-29 |
1992-04-21 |
R. J. Reynolds Tobacco Company |
Cigarette and smokable filler material therefor
|
US5101839A
(en)
*
|
1990-08-15 |
1992-04-07 |
R. J. Reynolds Tobacco Company |
Cigarette and smokable filler material therefor
|
US5099864A
(en)
*
|
1990-01-05 |
1992-03-31 |
R. J. Reynolds Tobacco Company |
Tobacco reconstitution process
|
GB9008887D0
(en)
*
|
1990-04-20 |
1990-06-20 |
Rothmans Benson & Hedges |
Cigarette smoke filter
|
US5746230A
(en)
*
|
1990-08-24 |
1998-05-05 |
Philip Morris Incorporated |
Concentric smoking filter having discrete tow and web filter media
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US5178166A
(en)
*
|
1990-09-20 |
1993-01-12 |
Philip Morris Incorporated |
Filter cigarette
|
US5105838A
(en)
*
|
1990-10-23 |
1992-04-21 |
R.J. Reynolds Tobacco Company |
Cigarette
|
US5203354A
(en)
*
|
1991-06-28 |
1993-04-20 |
Philip Morris Incorporated |
Restructured tobacco dryer
|
US5524647A
(en)
*
|
1991-08-08 |
1996-06-11 |
Rothmans, Benson & Hedges, Inc. |
Control of cigarette smoke chemistry
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CA2466075C
(en)
*
|
1992-03-25 |
2007-05-01 |
Japan Tobacco, Inc. |
Components for smoking articles and process for making same
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JP3681410B2
(ja)
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1992-04-09 |
2005-08-10 |
フィリップ・モーリス・プロダクツ・インコーポレイテッド |
再構成タバコシート及びその製造法及び使用法
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US5392792A
(en)
*
|
1993-04-13 |
1995-02-28 |
R. J. Reynolds Tobacco Company |
Reduced gas phase cigarette
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US5435326A
(en)
*
|
1993-07-27 |
1995-07-25 |
R. J. Reynolds Tobacco Company |
Controlled delivery smoking article and method
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US5533530A
(en)
*
|
1994-09-01 |
1996-07-09 |
R. J. Reynolds Tobacco Company |
Tobacco reconstitution process
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DE19536505A1
(de)
*
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1995-09-29 |
1997-04-10 |
Biotec Biolog Naturverpack |
Biologisch abbaubares Filtermaterial und Verfahren zu seiner Herstellung
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US5709227A
(en)
*
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1995-12-05 |
1998-01-20 |
R. J. Reynolds Tobacco Company |
Degradable smoking article
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US5743251A
(en)
*
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1996-05-15 |
1998-04-28 |
Philip Morris Incorporated |
Aerosol and a method and apparatus for generating an aerosol
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DE19722812C2
(de)
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1997-05-30 |
2003-02-13 |
Bat Cigarettenfab Gmbh |
Ultraleicht-Koaxialcigarette mit mehrteiligem Filter
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IT1297058B1
(it)
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1997-09-23 |
1999-08-03 |
Luparini Alessandro Leonetti |
Sigaretta dotata di dispositivo inerziale-ipobarico atto al trattenimento del catrame contenuto nel fumo di tabacco e/o
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(en)
*
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1997-12-06 |
2002-02-12 |
Kar Eng Chew |
Filter for secondary smoke and smoking articles incorporating the same
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US6216706B1
(en)
*
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1999-05-27 |
2001-04-17 |
Philip Morris Incorporated |
Method and apparatus for producing reconstituted tobacco sheets
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GB9917820D0
(en)
*
|
1999-07-29 |
1999-09-29 |
American Filtrona Corp |
Filter for a cigarette and filter-tipped cigarette
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US6257242B1
(en)
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1999-10-18 |
2001-07-10 |
Ioannis C. Stavridis |
Filter element
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US6883516B2
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*
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2000-04-27 |
2005-04-26 |
Chrysalis Technologies Incorporated |
Method for generating an aerosol with a predetermined and/or substantially monodispersed particle size distribution
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AR032828A1
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2001-02-22 |
2003-11-26 |
Philip Morris Prod |
Cigarrillo y filtro con agregado de sabor
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US20040025890A1
(en)
*
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2002-08-08 |
2004-02-12 |
Ping-Hung Yen |
Cigarette filter
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US6883523B2
(en)
*
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2003-02-14 |
2005-04-26 |
Philip Morris Usa Inc. |
Cigarette having porous heat transfer tube
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US7240678B2
(en)
*
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2003-09-30 |
2007-07-10 |
R. J. Reynolds Tobacco Company |
Filtered cigarette incorporating an adsorbent material
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FR2873899B1
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2004-08-09 |
2006-10-13 |
Michel Ange Gimeno |
Embout filtrant ajustable pour fumee de tabac ou autre matiere a fumer
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US7987856B2
(en)
*
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2005-12-29 |
2011-08-02 |
Philip Morris Usa Inc. |
Smoking article with bypass channel
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US8353298B2
(en)
*
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2006-07-12 |
2013-01-15 |
Philip Morris Usa Inc. |
Smoking article with impaction filter segment
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US20080047571A1
(en)
*
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2006-07-12 |
2008-02-28 |
Philip Morris Usa Inc. |
Smoking article with plate impactor
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US8424539B2
(en)
*
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2006-08-08 |
2013-04-23 |
Philip Morris Usa Inc. |
Smoking article with single piece restrictor and chamber
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US8235056B2
(en)
*
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2006-12-29 |
2012-08-07 |
Philip Morris Usa Inc. |
Smoking article with concentric hollow core in tobacco rod and capsule containing flavorant and aerosol forming agents in the filter system
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