EP0346648A3 - Process for impregnating the fibres of a tobacco smoke filter with di- or polycarboxylic acids or their esters - Google Patents

Process for impregnating the fibres of a tobacco smoke filter with di- or polycarboxylic acids or their esters Download PDF

Info

Publication number
EP0346648A3
EP0346648A3 EP19890109168 EP89109168A EP0346648A3 EP 0346648 A3 EP0346648 A3 EP 0346648A3 EP 19890109168 EP19890109168 EP 19890109168 EP 89109168 A EP89109168 A EP 89109168A EP 0346648 A3 EP0346648 A3 EP 0346648A3
Authority
EP
European Patent Office
Prior art keywords
fibres
impregnating
esters
polycarboxylic acids
tobacco smoke
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.)
Granted
Application number
EP19890109168
Other languages
German (de)
Other versions
EP0346648B1 (en
EP0346648A2 (en
Inventor
Paul-Georg Dr. Henning
Gerald Schmekel
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.)
British American Tobacco Germany GmbH
Original Assignee
BAT Cigarettenfabriken GmbH
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
Application filed by BAT Cigarettenfabriken GmbH filed Critical BAT Cigarettenfabriken GmbH
Publication of EP0346648A2 publication Critical patent/EP0346648A2/en
Publication of EP0346648A3 publication Critical patent/EP0346648A3/en
Application granted granted Critical
Publication of EP0346648B1 publication Critical patent/EP0346648B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A24D3/14—Use of materials for tobacco smoke filters of organic materials as additive

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
EP89109168A 1988-06-13 1989-05-22 Process for impregnating the fibres of a tobacco smoke filter with di- or polycarboxylic acids or their anhydrides Expired - Lifetime EP0346648B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3820089A DE3820089A1 (en) 1988-06-13 1988-06-13 METHOD FOR IMPREGNATING FIBERS OF A TOBACCO FUEL FILTER WITH DI- OR POLYCARBONIC ACIDS OR. ANHYDRIDES THERE
DE3820089 1988-06-13

Publications (3)

Publication Number Publication Date
EP0346648A2 EP0346648A2 (en) 1989-12-20
EP0346648A3 true EP0346648A3 (en) 1990-11-07
EP0346648B1 EP0346648B1 (en) 1993-01-07

Family

ID=6356449

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89109168A Expired - Lifetime EP0346648B1 (en) 1988-06-13 1989-05-22 Process for impregnating the fibres of a tobacco smoke filter with di- or polycarboxylic acids or their anhydrides

Country Status (5)

Country Link
US (1) US5052415A (en)
EP (1) EP0346648B1 (en)
JP (1) JPH0239873A (en)
BR (1) BR8903002A (en)
DE (2) DE3820089A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5105834A (en) * 1989-12-18 1992-04-21 R.J. Reynolds Tobacco Company Cigarette and cigarette filter element therefor
US5076294A (en) * 1990-03-29 1991-12-31 R. J. Reynolds Tobacco Company Filter cigarette
US5085232A (en) * 1990-07-12 1992-02-04 R. J. Reynolds Tobacco Company Cigarette
US5246017A (en) * 1990-11-06 1993-09-21 R. J. Reynolds Tobacco Company Cigarette and cigarette filter element therefor
WO1997005790A1 (en) * 1995-08-04 1997-02-20 Mitsubishi Rayon Co., Ltd. Filter medium and cigarette filter made with the use of the same
DE19541873A1 (en) * 1995-11-09 1997-05-15 Rhodia Ag Rhone Poulenc Filter cigarette
DE19748072A1 (en) 1997-10-30 1999-05-12 Bat Cigarettenfab Gmbh Method and device for applying substances to a filter material
US6615842B1 (en) 1998-02-13 2003-09-09 Cerami Consulting Corp. Methods for removing nucleophilic toxins from tobacco smoke
DE10000519C5 (en) * 2000-01-08 2004-12-02 Reemtsma Cigarettenfabriken Gmbh Process for the production of an acidified filter for tobacco products and their use
EP1309253B1 (en) * 2000-06-26 2007-05-23 Cerami Consulting Corporation Methods and devices for removing nucleophilic toxins from tobacco and tobacco smoke
US20080295853A1 (en) * 2007-05-31 2008-12-04 R. J. Reynolds Tobacco Company Filtered Smoking Article

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2872928A (en) * 1957-11-08 1959-02-10 Comb Res Inc Means and methods for extracting from tobacco smoke deleterious ingredients
FR1479836A (en) * 1965-05-14 1967-05-05 Reemtsma H F & Ph Filter for cigarettes
CH451787A (en) * 1961-03-10 1968-05-15 Rothstein Gabriel Filter for fumes and other noxious hot gases, including tobacco smoke, and a method of making such a filter
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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780228A (en) * 1954-03-03 1957-02-05 Eastman Kodak Co Filters for tobacco smoke comprising cellulose esters and ethers
DE1051182B (en) * 1957-10-03 1959-02-19 Zigarettenfabrik Kosmos G M B Smoke filter bodies and process for their manufacture
DE1300854B (en) * 1965-05-14 1969-08-07 Reemtsma H F & Ph Filters for cigarettes
US3618619A (en) * 1970-03-03 1971-11-09 Eastman Kodak Co Tobacco smoke filters

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2872928A (en) * 1957-11-08 1959-02-10 Comb Res Inc Means and methods for extracting from tobacco smoke deleterious ingredients
CH451787A (en) * 1961-03-10 1968-05-15 Rothstein Gabriel Filter for fumes and other noxious hot gases, including tobacco smoke, and a method of making such a filter
FR1479836A (en) * 1965-05-14 1967-05-05 Reemtsma H F & Ph Filter for cigarettes
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

Also Published As

Publication number Publication date
DE58903210D1 (en) 1993-02-18
US5052415A (en) 1991-10-01
EP0346648B1 (en) 1993-01-07
DE3820089A1 (en) 1989-12-14
DE3820089C2 (en) 1992-01-23
BR8903002A (en) 1990-03-06
EP0346648A2 (en) 1989-12-20
JPH0239873A (en) 1990-02-08

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