BE773622A - IMPROVEMENTS RELATED TO FILTERS FOR TOBACCO SMOKE - Google Patents

IMPROVEMENTS RELATED TO FILTERS FOR TOBACCO SMOKE

Info

Publication number: BE773622A
Authority: BE; Belgium
Prior art keywords: filters; tobacco smoke; improvements related; tobacco; smoke
Prior art date: 1970-10-07

Application number

BE773622A

Other languages

French (fr)

Original Assignee

British American Tobacco Co

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.)

1970-10-07

Filing date

1971-10-07

Publication date

1972-01-31

1971-10-07 Application filed by British American Tobacco Co filed Critical British American Tobacco Co

1972-01-31 Publication of BE773622A publication Critical patent/BE773622A/en

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
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0229—Filter rod forming processes
- A24D3/0237—Filter rod forming processes by extrusion

BE773622A 1970-10-07 1971-10-07 IMPROVEMENTS RELATED TO FILTERS FOR TOBACCO SMOKE BE773622A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB4770770		1970-10-07

Publications (1)

Publication Number	Publication Date
BE773622A true BE773622A (en)	1972-01-31

Family

ID=10445984

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE773622A BE773622A (en)	1970-10-07	1971-10-07	IMPROVEMENTS RELATED TO FILTERS FOR TOBACCO SMOKE

Country Status (7)

Country	Link
AU (1)	AU460006B2 (en)
BE (1)	BE773622A (en)
CA (1)	CA939225A (en)
CH (1)	CH544514A (en)
GB (1)	GB1331096A (en)
NL (1)	NL172021B (en)
ZA (1)	ZA716273B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN112439267A (en) *	2019-08-28	2021-03-05	艾格尔集团股份公司	Apparatus and method for forming smoke filter

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4282890A (en) *	1978-03-13	1981-08-11	Celanese Corporation	Open cell structure foamed cellulose acetate filters
ES2603646T3 (en) †	2008-05-21	2017-02-28	R.J. Reynolds Tobacco Company	Cigarette filter that has composite fiber structures
GB201112539D0 (en)	2011-07-21	2011-08-31	British American Tobacco Co	Porous carbon and methods of production thereof

1970
- 1970-10-07 GB GB4770770A patent/GB1331096A/en not_active Expired
1971
- 1971-09-20 ZA ZA716273A patent/ZA716273B/en unknown
- 1971-09-21 CA CA123,305A patent/CA939225A/en not_active Expired
- 1971-09-24 AU AU33886/71A patent/AU460006B2/en not_active Expired
- 1971-10-01 NL NLAANVRAGE7113503,A patent/NL172021B/en not_active IP Right Cessation
- 1971-10-06 CH CH1450971A patent/CH544514A/en not_active IP Right Cessation
- 1971-10-07 BE BE773622A patent/BE773622A/en unknown

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN112439267A (en) *	2019-08-28	2021-03-05	艾格尔集团股份公司	Apparatus and method for forming smoke filter
US11291242B2 (en)	2019-08-28	2022-04-05	Aiger Group Ag	Apparatus and method for forming a smoke filter
CN112439267B (en) *	2019-08-28	2022-07-29	艾格尔集团股份公司	Apparatus and method for forming smoke filter

Also Published As

Publication number	Publication date
NL172021B (en)	1983-02-01
CA939225A (en)	1974-01-01
DE2149434A1 (en)	1972-05-10
CH544514A (en)	1973-11-30
AU3388671A (en)	1973-03-29
NL7113503A (en)	1972-04-11
DE2149434B2 (en)	1976-05-06
ZA716273B (en)	1972-05-31
AU460006B2 (en)	1975-04-10
GB1331096A (en)	1973-09-19

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