CA982008A - Filter for tobacco smoke - Google Patents

Filter for tobacco smoke

Info

Publication number: CA982008A
Authority: CA; Canada
Prior art keywords: filter; tobacco smoke; tobacco; smoke
Prior art date: 1972-04-26
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

CA169,477A

Other versions

CA169477S (en

Inventor

Daniel Dilanni

Warren A. Brackmann

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.)

Rothmans Benson and Hedges Inc

Original Assignee

Rothmans of Pall Mall Canada 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.)

1972-04-26

Filing date

1973-04-17

Publication date

1976-01-20

1973-04-17 Application filed by Rothmans of Pall Mall Canada Ltd filed Critical Rothmans of Pall Mall Canada Ltd

1976-01-20 Application granted granted Critical

1976-01-20 Publication of CA982008A publication Critical patent/CA982008A/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
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
- 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

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Cigarettes, Filters, And Manufacturing Of Filters (AREA)

CA169,477A 1972-04-26 1973-04-17 Filter for tobacco smoke Expired CA982008A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB1949572A GB1381800A (en)	1972-04-26	1972-04-26	Filter for tobacco smoke

Publications (1)

Publication Number	Publication Date
CA982008A true CA982008A (en)	1976-01-20

Family

ID=10130320

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA169,477A Expired CA982008A (en)	1972-04-26	1973-04-17	Filter for tobacco smoke

Country Status (9)

Country	Link
US (1)	US3882877A (en)
JP (2)	JPS4941599A (en)
AU (1)	AU465431B2 (en)
CA (1)	CA982008A (en)
FR (1)	FR2182548A5 (en)
GB (1)	GB1381800A (en)
NL (1)	NL7305408A (en)
SE (1)	SE388534B (en)
ZA (1)	ZA732680B (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4564030A (en) *	1982-07-16	1986-01-14	Loew's Theatres, Inc.	Cigarette filter assembly
US4961415A (en) *	1987-01-16	1990-10-09	Kimberly-Clark Corporation	Controlled draft and efficiency filter element for smoking articles
US4903714A (en) *	1987-08-25	1990-02-27	R. J. Reynolds Tobacco Company	Smoking article with improved mouthend piece
GB8823902D0 (en) *	1988-10-12	1988-11-16	Rothmans Int Tobacco	Cigarette filter rod elements & cigarettes incorporating such filter rod elements
US5509429A (en) *	1989-03-02	1996-04-23	Kothmans, Benson & Hedges Inc.	Uniform tar delivery profile filter
GB9008887D0 (en) *	1990-04-20	1990-06-20	Rothmans Benson & Hedges	Cigarette smoke filter
US5112345A (en) *	1990-12-17	1992-05-12	Interventional Technologies	Atherectomy cutter with arcuate blades
US5826592A (en) *	1991-08-08	1998-10-27	Rothmans, Benson & Hedges Inc. Et Al.	Control of cigarette smoke chemistry
GB9307710D0 (en) *	1993-04-14	1993-06-02	Rothmans Benson & Hedges	Smoking apparatus-l
US5538019A (en) *	1993-11-03	1996-07-23	Schweitzer-Mauduit International, Inc.	Spunbond cigarette filter
US5845648A (en) *	1997-06-03	1998-12-08	Martin; John E.	Multi-compartment expandable filter for a smoking product
HUP9800426A1 (en)	1998-02-26	1999-12-28	Rozim's Biokozmetikai Kft.	Filter for filter-tipped cigarette
HUP0201257A2 (en) *	2002-04-17	2004-05-28	Péter Rozim	Filter for filter-tipped cigarette
ITBO20040238A1 (en) *	2004-04-22	2004-07-22	Gd Spa	CIGARETTE FILTER AND RELATED METHOD OF REALIZATION
US7735494B2 (en) *	2006-03-03	2010-06-15	Xerosmoke, Llc	Tabacco smoking apparatus
US7896011B2 (en) *	2006-08-08	2011-03-01	Philip Morris Usa, Inc.	Method of forming a filter component
US20100006112A1 (en) *	2007-12-20	2010-01-14	Philip Morris Usa, Inc.	Filter including randomly-oriented fibers for reduction of particle breakthrough
US8534294B2 (en)	2009-10-09	2013-09-17	Philip Morris Usa Inc.	Method for manufacture of smoking article filter assembly including electrostatically charged fiber
JP2013243973A (en) *	2012-05-28	2013-12-09	Sumitomo Seika Chem Co Ltd	Filter for cigarette
GB201400990D0 (en)	2014-01-21	2014-03-05	British American Tobacco Co	Filter materials and filters made therefrom
KR101976325B1 (en) *	2018-07-06	2019-05-07	주식회사 케이티앤지	Cigarette filter reducing smoke constituent, cigarette, and manufacturing method thereof
EP3769632A1 (en) *	2019-07-23	2021-01-27	Nerudia Ltd.	Elongated smoking article

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE516051A (en) *	1953-10-07
US2805671A (en) *	1953-10-07	1957-09-10	Liggett & Myers Tobacco Co	Aerosol filters
BE535871A (en) *	1954-02-23
US2761798A (en) *	1956-04-24	1956-09-04	H & V Specialties Co Inc	Filter for tobacco smoke
US2867219A (en) *	1956-08-02	1959-01-06	Thomas F Hug	Cigarette filter
US3068873A (en) *	1958-11-24	1962-12-18	Celanese Corp	Filters
US3225390A (en) *	1959-10-02	1965-12-28	Mueller Paul A	Method of producing filter plugs
US3081519A (en) *	1962-01-31	1963-03-19		Fibrillated strand
US3290207A (en) *	1962-08-22	1966-12-06	Du Pont	Fibrillated fiber
NL293155A (en) *	1963-03-04
US3393120A (en) *	1965-09-22	1968-07-16	Eastman Kodak Co	Polyolefin tow for cigarette filters
US3412737A (en) *	1966-01-17	1968-11-26	Karoly G. Pinter	Smoke filter
US3595245A (en) *	1968-08-14	1971-07-27	Exxon Research Engineering Co	Cigarette filter from polypropylene fibers
US3470883A (en) *	1968-08-29	1969-10-07	Nat Patent Dev Corp	Tobacco smoke filters

1972
- 1972-04-26 GB GB1949572A patent/GB1381800A/en not_active Expired
1973
- 1973-04-17 CA CA169,477A patent/CA982008A/en not_active Expired
- 1973-04-18 SE SE7305508A patent/SE388534B/en unknown
- 1973-04-18 ZA ZA732680A patent/ZA732680B/en unknown
- 1973-04-18 NL NL7305408A patent/NL7305408A/xx unknown
- 1973-04-19 AU AU54782/73A patent/AU465431B2/en not_active Expired
- 1973-04-20 US US352868A patent/US3882877A/en not_active Expired - Lifetime
- 1973-04-24 JP JP48045838A patent/JPS4941599A/ja active Pending
- 1973-04-26 FR FR7315227A patent/FR2182548A5/fr not_active Expired
1977
- 1977-09-13 JP JP1977122474U patent/JPS5618313Y2/ja not_active Expired

Also Published As

Publication number	Publication date
JPS5350300U (en)	1978-04-27
JPS5618313Y2 (en)	1981-04-28
US3882877A (en)	1975-05-13
GB1381800A (en)	1975-01-29
DE2321247A1 (en)	1973-11-08
AU465431B2 (en)	1975-09-25
FR2182548A5 (en)	1973-12-07
ZA732680B (en)	1974-03-27
JPS4941599A (en)	1974-04-18
DE2321247B2 (en)	1976-04-01
NL7305408A (en)	1973-10-30
SE388534B (en)	1976-10-11
AU5478273A (en)	1974-10-24

Publication	Publication Date	Title
CA992830A (en)	1976-07-13	Filters for tobacco smoke
CA946701A (en)	1974-05-07	Filtering means for cigarette smoke
CA982008A (en)	1976-01-20	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
CA945451A (en)	1974-04-16	Smoke tobacco filter material
CA929438A (en)	1973-07-03	Tobacco smoke filter
CA980202A (en)	1975-12-23	Tobacco smoke filter
CA891311A (en)	1972-01-25	Tobacco smoke filter
CA993303A (en)	1976-07-20	Tobacco smoke filter
AU468763B2 (en)	1976-01-22	Tobacco smoke filter
CA958298A (en)	1974-11-26	Device for filtering tobacco smoke
CA837888A (en)	1970-03-31	Tobacco smoke filter
CA889659A (en)	1972-01-04	Tobacco smoke filter element
CA979770A (en)	1975-12-16	Tobacco filters
CA901424A (en)	1972-05-30	Cigarette filter
CA903614A (en)	1972-06-27	Cigarette filters
CA895658A (en)	1972-03-21	Cigarette filters