FR2518374B1 - VENTILATED FILTER WITH NON-HOMOGENEOUS STRUCTURE FOR TOBACCO SMOKE - Google Patents

VENTILATED FILTER WITH NON-HOMOGENEOUS STRUCTURE FOR TOBACCO SMOKE

Info

Publication number: FR2518374B1
Authority: FR; France
Prior art keywords: tobacco smoke; homogeneous structure; ventilated filter; ventilated; filter
Prior art date: 1981-12-18
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

FR8221320A

Other languages

French (fr)

Other versions

FR2518374A1 (en

Inventor

Ernest Brian Hayes

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.)

Essentra PLC

Original Assignee

Filtrona PLC

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.)

1981-12-18

Filing date

1982-12-20

Publication date

1986-10-31

1982-12-20 Application filed by Filtrona PLC filed Critical Filtrona PLC

1983-06-24 Publication of FR2518374A1 publication Critical patent/FR2518374A1/en

1986-10-31 Application granted granted Critical

1986-10-31 Publication of FR2518374B1 publication Critical patent/FR2518374B1/en

Status Expired legal-status Critical Current

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
- A24D3/043—Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution

FR8221320A 1981-12-18 1982-12-20 VENTILATED FILTER WITH NON-HOMOGENEOUS STRUCTURE FOR TOBACCO SMOKE Expired FR2518374B1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB8138273		1981-12-18

Publications (2)

Publication Number	Publication Date
FR2518374A1 FR2518374A1 (en)	1983-06-24
FR2518374B1 true FR2518374B1 (en)	1986-10-31

Family

ID=10526707

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR8221320A Expired FR2518374B1 (en)	1981-12-18	1982-12-20	VENTILATED FILTER WITH NON-HOMOGENEOUS STRUCTURE FOR TOBACCO SMOKE

Country Status (14)

Country	Link
JP (1)	JPS58155073A (en)
AU (1)	AU556902B2 (en)
BE (1)	BE895390A (en)
CH (1)	CH651184A5 (en)
DE (1)	DE3246898A1 (en)
DK (1)	DK560282A (en)
FR (1)	FR2518374B1 (en)
GB (1)	GB2113066B (en)
IT (1)	IT1155005B (en)
NL (1)	NL8204909A (en)
NO (1)	NO157124C (en)
PT (1)	PT76005B (en)
SE (1)	SE8207227L (en)
ZA (1)	ZA829280B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2119221B (en) *	1982-04-05	1986-05-29	Filtrona Ltd	Cigarette filter
US4545391A (en) *	1983-05-26	1985-10-08	Brown & Williamson Tobacco Corporation	Cigarette filter
GB8908535D0 (en) *	1989-04-14	1989-06-01	Tabac Fab Reunies Sa	Cigarette and filter thereof
DK88890A (en) *	1989-04-14	1990-10-15	Tabac Fab Reunies Sa	CIGARET AND FILTER THEREOF
US5746230A (en) *	1990-08-24	1998-05-05	Philip Morris Incorporated	Concentric smoking filter having discrete tow and web filter media
US5365951A (en) *	1990-08-24	1994-11-22	Philip Morris Incorporated	Concentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter core
AU635095B2 (en) *	1990-08-24	1993-03-11	Philip Morris Products Inc.	Concentric smoking filter having discrete tow and web filter media
GB9122448D0 (en) *	1991-10-23	1991-12-04	Rothmans Int Tobacco	Filter tip cigarette
GB9122447D0 (en) *	1991-10-23	1991-12-04	Rothmans Int Tobacco	Lightweight cigarette filter and cigarettes incorporating such filters
DE19718296B4 (en) *	1997-04-30	2006-06-29	British American Tobacco (Germany) Gmbh	Ventilated filter cigarette with a coaxial filter element
GB0713905D0 (en)	2007-07-17	2007-08-29	British American Tobacco Co	Cellulose acetate thread in filter
CN110636761A (en) *	2017-06-09	2019-12-31	菲利普莫里斯生产公司	Aerosol-generating article with fibrous filter segment
BR112020007198A2 (en)	2017-11-28	2020-09-29	Philip Morris Products S.A.	aerosol generator article066sol with improved mouth end cavity

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3059649A (en) *	1959-11-20	1962-10-23	Bernhard Edgar	Cigarette structure
FR1353720A (en) *	1962-02-27	1964-02-28		Tobacco smoke purification process and filter for its implementation
GB1336267A (en) *	1972-03-15	1973-11-07	Webb F	Filter for cigarettes cigars cheroots pipes and like smoking articles
US4034765A (en) *	1975-10-30	1977-07-12	Liggett & Myers Incorporated	Tobacco smoke filter
US4026306A (en) *	1975-11-06	1977-05-31	American Filtrona Corporation	Tobacco smoke filter
US4291711A (en) *	1979-03-27	1981-09-29	American Filtrona Corporation	Tobacco smoke filter providing tobacco flavor enrichment, and method for producing same
US4357950A (en) *	1980-05-27	1982-11-09	American Filtrona Corporation	Tobacco smoke filter having improved tar/carbon monoxide ratio

1982
- 1982-12-15 AU AU91533/82A patent/AU556902B2/en not_active Ceased
- 1982-12-16 GB GB08235897A patent/GB2113066B/en not_active Expired
- 1982-12-17 BE BE0/209759A patent/BE895390A/en not_active IP Right Cessation
- 1982-12-17 ZA ZA829280A patent/ZA829280B/en unknown
- 1982-12-17 NO NO824265A patent/NO157124C/en unknown
- 1982-12-17 DE DE19823246898 patent/DE3246898A1/en not_active Withdrawn
- 1982-12-17 SE SE8207227A patent/SE8207227L/en not_active Application Discontinuation
- 1982-12-17 CH CH7351/82A patent/CH651184A5/en not_active IP Right Cessation
- 1982-12-17 DK DK560282A patent/DK560282A/en not_active Application Discontinuation
- 1982-12-17 IT IT24837/82A patent/IT1155005B/en active
- 1982-12-18 JP JP57221125A patent/JPS58155073A/en active Pending
- 1982-12-20 NL NL8204909A patent/NL8204909A/en not_active Application Discontinuation
- 1982-12-20 FR FR8221320A patent/FR2518374B1/en not_active Expired
- 1982-12-20 PT PT76005A patent/PT76005B/en unknown

Also Published As

Publication number	Publication date
DE3246898A1 (en)	1983-07-28
AU556902B2 (en)	1986-11-27
BE895390A (en)	1983-06-17
NO157124B (en)	1987-10-19
PT76005B (en)	1985-03-18
NO824265L (en)	1983-06-20
FR2518374A1 (en)	1983-06-24
IT8224837A0 (en)	1982-12-17
ZA829280B (en)	1983-10-26
IT8224837A1 (en)	1984-06-17
PT76005A (en)	1983-01-01
GB2113066B (en)	1985-10-30
SE8207227D0 (en)	1982-12-17
IT1155005B (en)	1987-01-21
SE8207227L (en)	1983-06-19
GB2113066A (en)	1983-08-03
NO157124C (en)	1988-01-27
CH651184A5 (en)	1985-09-13
AU9153382A (en)	1983-06-23
NL8204909A (en)	1983-07-18
DK560282A (en)	1983-06-19
JPS58155073A (en)	1983-09-14

Legal Events

Date	Code	Title	Description
1989-10-27	ST	Notification of lapse

Publication	Publication Date	Title
BE888974A (en)	1981-11-26	TOBACCO SMOKE FILTER
BR8202695A (en)	1983-04-19	TOBACCO SMOKE FILTER
TR21437A (en)	1984-06-04	BREEDED SMOKING FILTER
TR20963A (en)	1983-02-25	SMOKING FILTER
FR2518374B1 (en)	1986-10-31	VENTILATED FILTER WITH NON-HOMOGENEOUS STRUCTURE FOR TOBACCO SMOKE
FR2490461B1 (en)	1985-09-20	TOBACCO SMOKE FILTER
AT381216B (en)	1986-09-10	MOUTHPIECE FOR FILTER CIGARETTES
BE876291A (en)	1979-09-17	TOBACCO SMOKE FILTERS IMPROVEMENTS
BE889265A (en)	1981-10-16	IMPROVEMENTS ON TOBACCO SMOKE FILTERS
TR21386A (en)	1984-05-01	SMOKING FILTER
TR21982A (en)	1986-05-09	SMOKING FILTER
BE896393A (en)	1983-10-07	TOBACCO SMOKE FILTER,
AT381009B (en)	1986-08-11	CIGARETTES WITH VENTILATED FILTER MOUTHPIECE
BR8203959A (en)	1983-06-28	TOBACCO SMOKE FILTER
BE896380A (en)	1983-10-06	TOBACCO SMOKE FILTER
BE896288A (en)	1983-09-28	TOBACCO SMOKE FILTER
FR2508771B1 (en)	1986-08-14	CIGARETTE SMOKE FILTERS
NO830331L (en)	1983-08-03	FILTER FOR TOBACCO SMOKING.
BE895755A (en)	1983-05-16	TOBACCO SMOKE FILTERS
BE895774A (en)	1983-05-30	TOBACCO SMOKE FILTERS
ATE18497T1 (en)	1986-03-15	TOBACCO SMOKE FILTER.
LV5033A3 (en)	1993-06-10	Cigarette filter
TR21414A (en)	1984-05-03	SMOKING FILTER
BR8100097A (en)	1982-09-08	TOBACCO SMOKE FILTER