ZA721212B - Improved filter cigarette - Google Patents

Improved filter cigarette

Info

Publication number: ZA721212B
Authority: ZA; South Africa
Prior art keywords: filter cigarette; improved filter; improved; cigarette; filter
Prior art date: 1971-03-03

Application number

ZA721212A

Other languages

English (en)

Inventor

T Summers

K Philpot

R Johnson

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.)

1971-03-03

Filing date

1972-02-23

Publication date

1972-11-29

1972-02-23 Application filed by British American Tobacco Co filed Critical British American Tobacco Co

1972-11-29 Publication of ZA721212B publication Critical patent/ZA721212B/xx

Links

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

ZA721212A 1971-03-03 1972-02-23 Improved filter cigarette ZA721212B (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
ZA721212B true ZA721212B (en)	1972-11-29

Family

ID=22391637

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA721212A ZA721212B (en)	1971-03-03	1972-02-23	Improved filter cigarette

Country Status (11)

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

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2531285C2 (de) *	1975-07-12	1982-10-28	Deutsche Benkert Gmbh & Co Kg, 4690 Herne	Filterzigarette
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 (it) *	1981-07-06	1988-12-21	Cigarette Components Ltd	Filtro per sigaretta
US4675064A (en) *	1982-11-23	1987-06-23	American Filtrona Corporation	Smoke filter having extended film overwrap and method and apparatus for fabricating same
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 (de) *	1985-08-26	1989-01-13	Baumgartner Papiers Sa	Zigarettenfiltereinheit.
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
WO2024089304A1 (es) *	2022-10-24	2024-05-02	Universidad De Alicante	Instalación, procedimiento de fabricación y filtro reductor de alquitranes y compuestos tóxicos del tabaco
ES2970265A1 (es) *	2022-10-24	2024-05-27	Univ Alicante	Maquina, procedimiento de fabricacion y filtro reductor de alquitranes y compuestos toxicos del tabaco

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/xx unknown
- 1972-02-24 AU AU39320/72A patent/AU461218B2/en not_active Expired
- 1972-02-28 CH CH279872A patent/CH552352A/fr not_active IP Right Cessation
- 1972-02-29 FI FI720548A patent/FI50928C/fi active
- 1972-02-29 NL NL7202646.A patent/NL156312B/xx unknown
- 1972-02-29 BR BR1174/72A patent/BR7201174D0/pt unknown
- 1972-03-01 DK DK94472AA patent/DK126825B/da unknown
- 1972-03-01 DE DE2209763A patent/DE2209763C3/de not_active Expired
- 1972-03-03 BE BE780181A patent/BE780181A/xx unknown

Also Published As

Publication number	Publication date
GB1339238A (en)	1973-11-28
NL7202646A (pt)	1972-09-05
DE2209763A1 (de)	1972-09-07
FI50928B (pt)	1976-05-31
NL156312B (nl)	1978-04-17
AU3932072A (en)	1973-08-30
BR7201174D0 (pt)	1973-09-13
DK126825B (da)	1973-08-27
FI50928C (fi)	1976-09-10
AU461218B2 (en)	1975-05-22
CH552352A (fr)	1974-08-15
CA953600A (en)	1974-08-27
DE2209763C3 (de)	1978-10-19
BE780181A (fr)	1972-09-04
DE2209763B2 (de)	1978-02-16

Publication	Publication Date	Title
ZA727138B (en)	1973-06-27	Ventilated filter tip cigarette
AU4252472A (en)	1973-11-22	Reconstituted-tobacco smoking materials
ZA72185B (en)	1972-09-27	Tobacco smoke filter
ZA727142B (en)	1973-06-27	Filter arrangement
ZA721212B (en)	1972-11-29	Improved filter cigarette
AU4252572A (en)	1973-11-22	Reconstituted-tobacco smoking materials
IL40368A0 (en)	1972-11-28	Rotary filter
AU4454772A (en)	1974-01-17	Cigarette lighters
EG10134A (en)	1976-12-31	Cigarettes filter
AU4252372A (en)	1973-11-22	Reconstituted-tobacco smoking materials
ZA722232B (en)	1972-12-27	Improvements relating to tobacco-smoke filters
AU4594172A (en)	1974-02-28	Tobacco-smoke filters
CA941703A (en)	1974-02-12	Tobacco smoke filter
JPS5411299A (en)	1979-01-27	Tobacco filter
ZA723086B (en)	1973-02-28	Filter insert piece
CA976828A (en)	1975-10-28	Cigarette filter
IL40423A0 (en)	1972-11-28	Smoking material
YU35299B (en)	1980-10-31	Elektromechanical filter
CA954001A (en)	1974-09-03	Cigarette filter feed
AT313141B (de)	1974-02-11	Zigarettenfiltermasse
CA877723A (en)	1971-08-10	Filter cigarette
CA883586A (en)	1971-10-19	Cigarette filter
CA863675A (en)	1971-02-16	Cigarette filters
CA875335A (en)	1971-07-13	Tobacco filters
YU215071A (en)	1975-06-30	Difuzioni filter otpadnih gasova