CA992830A - Filters for tobacco smoke - Google Patents

Filters for tobacco smoke

Info

Publication number: CA992830A
Authority: CA; Canada
Prior art keywords: filters; tobacco smoke; tobacco; smoke
Prior art date: 1972-11-13
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

Application number

CA185,045A

Other versions

CA185045S (en

Inventor

Robin A. Crellin

Henry G. Horsewell

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

British American Tobacco Investments Ltd

Original Assignee

British American Tobacco Co Ltd

Priority date (The priority date 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 date listed.)

1972-11-13

Filing date

1973-11-05

Publication date

1976-07-13

1973-11-05 Application filed by British American Tobacco Co Ltd filed Critical British American Tobacco Co Ltd

1976-07-13 Application granted granted Critical

1976-07-13 Publication of CA992830A publication Critical patent/CA992830A/en

Status Expired legal-status Critical Current

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
- A24D3/04—Tobacco smoke filters characterised by their shape or structure

CA185,045A 1972-11-13 1973-11-05 Filters for tobacco smoke Expired CA992830A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB5234872A GB1410048A (en)	1972-11-13	1972-11-13	Filters for tobacco smoke

Publications (1)

Publication Number	Publication Date
CA992830A true CA992830A (en)	1976-07-13

Family

ID=10463572

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA185,045A Expired CA992830A (en)	1972-11-13	1973-11-05	Filters for tobacco smoke

Country Status (12)

Country	Link
US (1)	US3894545A (en)
JP (1)	JPS5615226B2 (en)
AU (1)	AU477145B2 (en)
BE (1)	BE807245A (en)
BR (1)	BR7308860D0 (en)
CA (1)	CA992830A (en)
CH (1)	CH586026A5 (en)
DE (1)	DE2355493A1 (en)
FI (1)	FI56616C (en)
GB (1)	GB1410048A (en)
NL (1)	NL7315175A (en)
ZA (1)	ZA738411B (en)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
MX142927A (en) *	1974-06-24	1981-01-20	Empresas La Moderna Sa De Cv	IMPROVEMENTS IN FILTERING TOBACCO SMOKE
FI67478C (en) *	1979-11-13	1985-04-10	British American Tobacco Co	FILTER FOER TOBAKSROEK
GB8713904D0 (en) *	1987-06-15	1987-07-22	Tabac Fab Reunies Sa	Filter for smoking articles
US5271419A (en) *	1989-09-29	1993-12-21	R. J. Reynolds Tobacco Company	Cigarette
IN172374B (en) *	1988-05-16	1993-07-10	Reynolds Tobacco Co R
US5261425A (en) *	1990-05-24	1993-11-16	R. J. Reynolds Tobacco Company	Cigarette
DE4205658A1 (en) *	1992-02-25	1993-08-26	Reemtsma H F & Ph	VENTILATED FILTER CIGARETTE
GB9214267D0 (en) *	1992-07-04	1992-08-19	British American Tobacco Co	Improvements relating to smoking articles
US5404890A (en) *	1993-06-11	1995-04-11	R. J. Reynolds Tobacco Company	Cigarette filter
US5718250A (en) *	1994-10-07	1998-02-17	R. J. Reynolds Tobacco Company	Low gas phase filter for cigarettes
WO2002043514A1 (en) *	2000-11-28	2002-06-06	Lorillard Licensing Company, Llc	A smoking article including a selective carbon monoxide pump
CZ301372B6 (en)	2001-02-22	2010-02-03	Philip Morris Products, Inc.	Cigarette and aromatic filter located downstream of smoke draught
US6814786B1 (en) *	2003-04-02	2004-11-09	Philip Morris Usa Inc.	Filters including segmented monolithic sorbent for gas-phase filtration
US20040231684A1 (en) *	2003-05-20	2004-11-25	Zawadzki Michael A.	Smoking article and smoking article filter
GB0316171D0 (en) *	2003-07-10	2003-08-13	British American Tobacco Co	Improvements relating to smoking article filters
ES2299876T5 (en) *	2003-09-30	2012-06-08	R.J.Reynolds Tobacco Company	Cigarette with filter that incorporates an adsorbent material
US7856990B2 (en) *	2003-09-30	2010-12-28	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
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
US20050121044A1 (en) *	2003-12-09	2005-06-09	Banerjee Chandra K.	Catalysts comprising ultrafine particles
US20060090769A1 (en) *	2004-11-02	2006-05-04	Philip Morris Usa Inc.	Temperature sensitive powder for enhanced flavor delivery in smoking articles
US20070261706A1 (en) *	2004-12-15	2007-11-15	Ashesh Banerjea	Cigarette with carbon on tow filter
US20070056600A1 (en) *	2005-09-14	2007-03-15	R. J. Reynolds Tobacco Company	Filtered smoking article
US7914622B2 (en) *	2005-12-21	2011-03-29	Philip Morris Usa Inc.	Smoking article having flavorant materials retained in hollow heat conductive tubes
US8739802B2 (en)	2006-10-02	2014-06-03	R.J. Reynolds Tobacco Company	Filtered cigarette
UA100735C2 (en) *	2008-06-02	2013-01-25	Филип Моррис Продактс С.А.	Smoking article with a transparent section
AR089602A1 (en)	2011-12-30	2014-09-03	Philip Morris Products Sa	AEROSOL GENERATOR ARTICLE FOR USE WITH AN AEROSOL GENERATOR DEVICE
US11582998B2 (en)	2011-12-30	2023-02-21	Philip Morris Products S.A.	Smoking article with front-plug and method
CA2858480C (en)	2011-12-30	2020-06-30	Philip Morris Products S.A.	Smoking article with front-plug and aerosol-forming substrate and method
EP2625975A1 (en)	2012-02-13	2013-08-14	Philip Morris Products S.A.	Aerosol-generating article having an aerosol-cooling element
DK2854570T3 (en)	2012-05-31	2016-10-03	Philip Morris Products Sa	Strings added aroma for use in aerosol generating articles.
AR091509A1 (en)	2012-06-21	2015-02-11	Philip Morris Products Sa	ARTICLE TO SMOKE TO BE USED WITH AN INTERNAL HEATING ELEMENT
DE202012103319U1 (en)	2012-08-31	2012-10-11	Lehmann Tabak - Logistik - Fulfillment UG (haftungsbeschränkt)	Filter device, flue, their use and system for this purpose
CN103222682A (en) *	2013-04-09	2013-07-31	红云红河烟草(集团)有限责任公司	Binary composite filter rod for cigarettes and processing method and equipment thereof
GB201412752D0 (en)	2014-07-17	2014-09-03	Nicoventures Holdings Ltd	Electronic vapour provision system
CN107348561B (en)	2016-05-10	2021-11-02	韩力	Micro-explosive microcapsules for smoking articles and smoking articles comprising the micro-explosive microcapsules
CN113197342B (en) *	2021-05-31	2022-07-12	云南中烟工业有限责任公司	Method for reducing smoke temperature and ensuring smoke quantity
CN114983015A (en) *	2022-05-24	2022-09-02	云南中烟工业有限责任公司	Interlayer filled hollow triangular filter rod and processing method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1009792A (en) *	1909-06-03	1911-11-28	Thomas Walters Salusbury	Tobacco-pipe.
US2235100A (en) *	1939-01-09	1941-03-18	George J Deutsch	Tobacco pipe
US3388707A (en) *	1965-05-17	1968-06-18	Harris Walter	Tobacco smoke filter
US3621851A (en) *	1969-11-26	1971-11-23	Kata Mfg & Filtering Co	Filter for smoker's article

1972
- 1972-11-13 GB GB5234872A patent/GB1410048A/en not_active Expired
1973
- 1973-10-30 ZA ZA738411*A patent/ZA738411B/en unknown
- 1973-11-02 AU AU62151/73A patent/AU477145B2/en not_active Expired
- 1973-11-05 CA CA185,045A patent/CA992830A/en not_active Expired
- 1973-11-06 FI FI3418/73A patent/FI56616C/en active
- 1973-11-06 US US413348A patent/US3894545A/en not_active Expired - Lifetime
- 1973-11-06 NL NL7315175A patent/NL7315175A/xx unknown
- 1973-11-07 DE DE19732355493 patent/DE2355493A1/en active Pending
- 1973-11-12 BR BR8860/73A patent/BR7308860D0/en unknown
- 1973-11-12 CH CH1584873A patent/CH586026A5/xx not_active IP Right Cessation
- 1973-11-13 JP JP12761273A patent/JPS5615226B2/ja not_active Expired
- 1973-11-13 BE BE137682A patent/BE807245A/en unknown

Also Published As

Publication number	Publication date
DE2355493A1 (en)	1974-05-22
BR7308860D0 (en)	1974-09-05
GB1410048A (en)	1975-10-15
FI56616C (en)	1980-03-10
ZA738411B (en)	1974-09-25
FI56616B (en)	1979-11-30
AU477145B2 (en)	1976-10-14
CH586026A5 (en)	1977-03-31
AU6215173A (en)	1975-05-08
NL7315175A (en)	1974-05-15
US3894545A (en)	1975-07-15
JPS49133599A (en)	1974-12-21
BE807245A (en)	1974-03-01
JPS5615226B2 (en)	1981-04-09

Publication	Publication Date	Title
CA992830A (en)	1976-07-13	Filters for tobacco smoke
CA946701A (en)	1974-05-07	Filtering means for cigarette smoke
AU465431B2 (en)	1975-09-25	Filter for tobacco smoke
CA957231A (en)	1974-11-05	Tobacco smoke filter
CA991046A (en)	1976-06-15	Tobacco smoke filter
CA946698A (en)	1974-05-07	Tobacco smoke filters
CA939577A (en)	1974-01-08	Tobacco smoke filter
AU463557B2 (en)	1975-07-31	Improved tobacco smoke filter
CA954407A (en)	1974-09-10	Tobacco smoke filter
CA1026184A (en)	1978-02-14	Tobacco smoke filter
CA941703A (en)	1974-02-12	Tobacco smoke filter
CA1024412A (en)	1978-01-17	Tobacco smoke filter
CA929438A (en)	1973-07-03	Tobacco smoke filter
AU468763B2 (en)	1976-01-22	Tobacco smoke filter
CA891311A (en)	1972-01-25	Tobacco smoke filter
CA993303A (en)	1976-07-20	Tobacco smoke filter
CA980202A (en)	1975-12-23	Tobacco smoke filter
CA958298A (en)	1974-11-26	Device for filtering tobacco smoke
CA837888A (en)	1970-03-31	Tobacco smoke filter
CA979770A (en)	1975-12-16	Tobacco filters
CA889659A (en)	1972-01-04	Tobacco smoke filter element
CA903614A (en)	1972-06-27	Cigarette filters
CA895658A (en)	1972-03-21	Cigarette filters
CA901424A (en)	1972-05-30	Cigarette filter
CA866549A (en)	1971-03-23	Filters for tobacco smoke