EP0434339A3 - Cigarette and cigarette filter element therefor - Google Patents

Cigarette and cigarette filter element therefor Download PDF

Info

Publication number
EP0434339A3
EP0434339A3 EP19900313767 EP90313767A EP0434339A3 EP 0434339 A3 EP0434339 A3 EP 0434339A3 EP 19900313767 EP19900313767 EP 19900313767 EP 90313767 A EP90313767 A EP 90313767A EP 0434339 A3 EP0434339 A3 EP 0434339A3
Authority
EP
European Patent Office
Prior art keywords
cigarette
filter element
element therefor
cigarette filter
therefor
Prior art date
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.)
Withdrawn
Application number
EP19900313767
Other versions
EP0434339A2 (en
Inventor
Barry Lynn Saintsing
Milly Mee Lee Wong
Thomas Albert Perfetti
Jackie Lee White
Jerry Wayne Redding
Chi-Kuen Shu
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.)
RJ Reynolds Tobacco Co
Original Assignee
RJ Reynolds 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.)
Filing date
Publication date
Priority claimed from US07/452,175 external-priority patent/US5060669A/en
Priority claimed from US07/606,287 external-priority patent/US5105834A/en
Application filed by RJ Reynolds Tobacco Co filed Critical RJ Reynolds Tobacco Co
Publication of EP0434339A2 publication Critical patent/EP0434339A2/en
Publication of EP0434339A3 publication Critical patent/EP0434339A3/en
Withdrawn legal-status Critical Current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
    • A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/24—Treatment of tobacco products or tobacco substitutes by extraction; Tobacco extracts
    • 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
EP19900313767 1989-12-18 1990-12-17 Cigarette and cigarette filter element therefor Withdrawn EP0434339A3 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US452175 1989-12-18
US07/452,175 US5060669A (en) 1989-12-18 1989-12-18 Tobacco treatment process
US07/606,287 US5105834A (en) 1989-12-18 1990-11-06 Cigarette and cigarette filter element therefor
US606287 1990-11-06
US62149990A 1990-12-07 1990-12-07
US621499 1990-12-07

Publications (2)

Publication Number Publication Date
EP0434339A2 EP0434339A2 (en) 1991-06-26
EP0434339A3 true EP0434339A3 (en) 1991-10-09

Family

ID=27412519

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900313767 Withdrawn EP0434339A3 (en) 1989-12-18 1990-12-17 Cigarette and cigarette filter element therefor

Country Status (3)

Country Link
EP (1) EP0434339A3 (en)
JP (1) JPH04135476A (en)
CA (1) CA2032378A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5345955A (en) 1992-09-17 1994-09-13 R. J. Reynolds Tobacco Company Composite fuel element for smoking articles
FR2798302B1 (en) 1999-09-13 2001-12-21 Frederic Maillard FILTER COMPOSED OF NITROGEN HETEROCYCLES SUCH AS DNA, IN PARTICULAR FOR THE FILTRATION OF TOBACCO SMOKE, CIGARETTE COMPRISING SUCH A FILTER
DOP2001000282A (en) 2000-11-10 2002-12-30 Vector Tabacco Bermuda Ltd METHOD AND PRODUCTS FOR REMOVING CALCINOGENOS FROM TOBACCO SMOKE
GB0517551D0 (en) * 2005-08-27 2005-10-05 Acetate Products Ltd Process for making filter tow
GB0625818D0 (en) * 2006-12-21 2007-02-07 British American Tobacco Co Smoking article filter
US8967155B2 (en) * 2011-11-03 2015-03-03 Celanese Acetate Llc Products of high denier per filament and low total denier tow bands
CN103564646A (en) * 2012-07-18 2014-02-12 朱大恒 Production method of tobacco extractum and use thereof
WO2020115219A1 (en) * 2018-12-07 2020-06-11 Philip Morris Products S.A. Aerosol-generating article having biodegradable filtration material
EP3662767A1 (en) * 2018-12-07 2020-06-10 SWM Luxembourg S.à.R.L. Paper sheet and method of making it
WO2021144872A1 (en) * 2020-01-15 2021-07-22 日本たばこ産業株式会社 Filter segment for non-combustion heating type flavor inhaler, non-combustion heating type flavor inhaler, and non-combustion heating type flavor inhalation system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1029717A (en) * 1964-03-31 1966-05-18 Pfizer Ltd Cigarettes and filter tips therefor
DE1956949A1 (en) * 1968-11-13 1970-06-18 Cigarette Components Ltd Cigarette filters
DE1692895A1 (en) * 1966-08-31 1972-05-18 Brinkmann Ag M Acid-containing tobacco smoke filter body made of cellulose acetate and process for its manufacture
GB2190275A (en) * 1986-05-13 1987-11-18 British American Tobacco Co Smoking articles
EP0304759A2 (en) * 1987-08-25 1989-03-01 R.J. Reynolds Tobacco Company Smoking article with improved mouthend piece

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1029717A (en) * 1964-03-31 1966-05-18 Pfizer Ltd Cigarettes and filter tips therefor
DE1692895A1 (en) * 1966-08-31 1972-05-18 Brinkmann Ag M Acid-containing tobacco smoke filter body made of cellulose acetate and process for its manufacture
DE1956949A1 (en) * 1968-11-13 1970-06-18 Cigarette Components Ltd Cigarette filters
GB2190275A (en) * 1986-05-13 1987-11-18 British American Tobacco Co Smoking articles
EP0304759A2 (en) * 1987-08-25 1989-03-01 R.J. Reynolds Tobacco Company Smoking article with improved mouthend piece

Also Published As

Publication number Publication date
EP0434339A2 (en) 1991-06-26
CA2032378A1 (en) 1991-06-19
JPH04135476A (en) 1992-05-08

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