CA953600A - Cigarette filter - Google Patents

Cigarette filter

Info

Publication number: CA953600A
Authority: CA; Canada
Prior art keywords: cigarette filter; cigarette; filter
Prior art date: 1971-03-03
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

CA134,465A

Other versions

CA134465S (en

Inventor

Thomas W. Summers

Kelsey E. Philpot

Robert R. Johnson

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.)

1971-03-03

Filing date

1972-02-10

Publication date

1974-08-27

1972-02-10 Application filed by British American Tobacco Co Ltd filed Critical British American Tobacco Co Ltd

1974-08-27 Application granted granted Critical

1974-08-27 Publication of CA953600A publication Critical patent/CA953600A/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
- A24D3/045—Tobacco smoke filters characterised by their shape or structure with smoke acceleration means, e.g. impact-filters

CA134,465A 1971-03-03 1972-02-10 Cigarette filter Expired CA953600A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US12064371A	1971-03-03	1971-03-03

Publications (1)

Publication Number	Publication Date
CA953600A true CA953600A (en)	1974-08-27

Family

ID=22391637

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA134,465A Expired CA953600A (en)	1971-03-03	1972-02-10	Cigarette filter

Country Status (11)

Country	Link
AU (1)	AU461218B2 (en)
BE (1)	BE780181A (en)
BR (1)	BR7201174D0 (en)
CA (1)	CA953600A (en)
CH (1)	CH552352A (en)
DE (1)	DE2209763C3 (en)
DK (1)	DK126825B (en)
FI (1)	FI50928C (en)
GB (1)	GB1339238A (en)
NL (1)	NL156312B (en)
ZA (1)	ZA721212B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4675064A (en) *	1982-11-23	1987-06-23	American Filtrona Corporation	Smoke filter having extended film overwrap and method and apparatus for fabricating same

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2531285C2 (en) *	1975-07-12	1982-10-28	Deutsche Benkert Gmbh & Co Kg, 4690 Herne	Filter cigarette
GB1592549A (en) *	1976-10-06	1981-07-08	British American Tobacco Co	Tobacco-smoke filters
US4082098A (en) *	1976-10-28	1978-04-04	Olin Corporation	Flavored cigarette
GB1601221A (en) *	1977-03-18	1981-10-28	Liggett Group Inc	Filter cigarette
US4174719A (en) *	1977-06-29	1979-11-20	Olin Corporation	Microperforated filter tip cigarette
US4295478A (en) *	1979-04-11	1981-10-20	Rjr Archer, Inc.	Composite tipping structure for use on an air-ventilated cigarette and method of manufacturing same
US4294265A (en) *	1980-04-04	1981-10-13	Philip Morris Incorporated	Filter cigarette with inlet vent zones
IT1198385B (en) *	1981-07-06	1988-12-21	Cigarette Components Ltd	CIGARETTE FILTER
US4517996A (en) *	1983-03-25	1985-05-21	Brown & Williamson Tobacco Corporation	Ventilated filter and smoke dispersing mouthpiece
US4585015A (en) *	1984-11-16	1986-04-29	Brown & Williamson Tobacco Corporation	Cigarette filter
CH668533A5 (en) *	1985-08-26	1989-01-13	Baumgartner Papiers Sa	CIGARETTE FILTER UNIT.
GB8525967D0 (en) *	1985-10-22	1985-11-27	Cigarette Components Ltd	Ventilated cigarette filter
US5509429A (en) *	1989-03-02	1996-04-23	Kothmans, Benson & Hedges Inc.	Uniform tar delivery profile filter
ES2976092A1 (en) *	2022-10-24	2024-07-23	Univ Alicante	INSTALLATION, MANUFACTURING PROCEDURE AND FILTER FOR REDUCING TAR AND TOXIC COMPOUNDS IN TOBACCO (Machine-translation by Google Translate, not legally binding)
ES2970265A1 (en) *	2022-10-24	2024-05-27	Univ Alicante	MACHINE, MANUFACTURING PROCEDURE AND FILTER FOR REDUCING TAR AND TOXIC COMPOUNDS IN TOBACCO (Machine-translation by Google Translate, not legally binding)

1972
- 1972-02-10 CA CA134,465A patent/CA953600A/en not_active Expired
- 1972-02-16 GB GB719872A patent/GB1339238A/en not_active Expired
- 1972-02-23 ZA ZA721212A patent/ZA721212B/en unknown
- 1972-02-24 AU AU39320/72A patent/AU461218B2/en not_active Expired
- 1972-02-28 CH CH279872A patent/CH552352A/en not_active IP Right Cessation
- 1972-02-29 BR BR1174/72A patent/BR7201174D0/en unknown
- 1972-02-29 NL NL7202646.A patent/NL156312B/en unknown
- 1972-02-29 FI FI720548A patent/FI50928C/en active
- 1972-03-01 DK DK94472AA patent/DK126825B/en unknown
- 1972-03-01 DE DE2209763A patent/DE2209763C3/en not_active Expired
- 1972-03-03 BE BE780181A patent/BE780181A/en unknown

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4675064A (en) *	1982-11-23	1987-06-23	American Filtrona Corporation	Smoke filter having extended film overwrap and method and apparatus for fabricating same

Also Published As

Publication number	Publication date
NL7202646A (en)	1972-09-05
FI50928B (en)	1976-05-31
NL156312B (en)	1978-04-17
DE2209763C3 (en)	1978-10-19
AU3932072A (en)	1973-08-30
DK126825B (en)	1973-08-27
DE2209763A1 (en)	1972-09-07
FI50928C (en)	1976-09-10
AU461218B2 (en)	1975-05-22
BE780181A (en)	1972-09-04
ZA721212B (en)	1972-11-29
CH552352A (en)	1974-08-15
DE2209763B2 (en)	1978-02-16
GB1339238A (en)	1973-11-28
BR7201174D0 (en)	1973-09-13

Publication	Publication Date	Title
CA985185A (en)	1976-03-09	Filter arrangement
CA957231A (en)	1974-11-05	Tobacco smoke filter
CA953600A (en)	1974-08-27	Cigarette filter
CA959733A (en)	1974-12-24	Tobacco-smoke filters
CA941703A (en)	1974-02-12	Tobacco smoke filter
CA971066A (en)	1975-07-15	Tobacco-smoke filters
CA987607A (en)	1976-04-20	Filter
CA976828A (en)	1975-10-28	Cigarette filter
CA954001A (en)	1974-09-03	Cigarette filter feed
CA883586A (en)	1971-10-19	Cigarette filter
CA877723A (en)	1971-08-10	Filter cigarette
CA863675A (en)	1971-02-16	Cigarette filters
CA885797A (en)	1971-11-16	Smoke filter
CA875335A (en)	1971-07-13	Tobacco filters
CA951611A (en)	1974-07-23	Tobacco-smoke filters
CA865462A (en)	1971-03-09	Filters
CA886336A (en)	1971-11-23	Filters for cigarettes
CA886136A (en)	1971-11-16	Filter
CA883061A (en)	1971-10-12	Filter
CA860109A (en)	1971-01-05	Filter
CA876279A (en)	1971-07-20	Filter
CA871341A (en)	1971-05-18	Filter
CA867941A (en)	1971-04-06	Filter
CA864893A (en)	1971-03-02	Filter
CA860724A (en)	1971-01-12	Filter

CA953600A - Cigarette filter - Google Patents

Info

Links

Classifications

Applications Claiming Priority (1)

Publications (1)

Family

ID=22391637

Family Applications (1)

Country Status (11)

Cited By (1)

Families Citing this family (15)

Cited By (1)

Also Published As

Similar Documents