BR8903002A - Processo de impregnacao de fibras para um filtro de fumaca de tabaco - Google Patents

Processo de impregnacao de fibras para um filtro de fumaca de tabaco

Info

Publication number
BR8903002A
BR8903002A BR898903002A BR8903002A BR8903002A BR 8903002 A BR8903002 A BR 8903002A BR 898903002 A BR898903002 A BR 898903002A BR 8903002 A BR8903002 A BR 8903002A BR 8903002 A BR8903002 A BR 8903002A
Authority
BR
Brazil
Prior art keywords
tobacco smoke
impregnation process
smoke filter
fiber impregnation
fiber
Prior art date
Application number
BR898903002A
Other languages
English (en)
Inventor
Paul-Georg Henning
Gerald Schmekel
Original Assignee
Bat Cigarettenfab 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 Cigarettenfab Gmbh filed Critical Bat Cigarettenfab Gmbh
Publication of BR8903002A publication Critical patent/BR8903002A/pt

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)
BR898903002A 1988-06-13 1989-06-08 Processo de impregnacao de fibras para um filtro de fumaca de tabaco BR8903002A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3820089A DE3820089A1 (de) 1988-06-13 1988-06-13 Verfahren zur impraegnierung von fasern eines tabakrauchfilters mit di- oder polycarbonsaeuren bzw. anhydriden derselben

Publications (1)

Publication Number Publication Date
BR8903002A true BR8903002A (pt) 1990-03-06

Family

ID=6356449

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898903002A BR8903002A (pt) 1988-06-13 1989-06-08 Processo de impregnacao de fibras para um filtro de fumaca de tabaco

Country Status (5)

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

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
EP0783841A4 (en) * 1995-08-04 1998-08-26 Mitsubishi Rayon Co A FILTER MATERIAL AND MANUFACTURED CIGARETTE FILTER
DE19541873A1 (de) * 1995-11-09 1997-05-15 Rhodia Ag Rhone Poulenc Filterzigarette
DE19748072A1 (de) 1997-10-30 1999-05-12 Bat Cigarettenfab Gmbh Verfahren und Vorrichtung zum Aufbringen von Substanzen auf ein Filtermaterial
US6615842B1 (en) 1998-02-13 2003-09-09 Cerami Consulting Corp. Methods for removing nucleophilic toxins from tobacco smoke
DE10000519C5 (de) * 2000-01-08 2004-12-02 Reemtsma Cigarettenfabriken Gmbh Verfahren zur Herstellung eines sauer gestellten Filters für Tabakprodukte, sowie deren Verwendung
MXPA03000125A (es) * 2000-06-26 2004-12-06 Cerami Consulting Corp Metodos, agentes y dispositivos para eliminar las toxinas nucleofilas del tabaco y el humo del tabaco.
US20080295853A1 (en) * 2007-05-31 2008-12-04 R. J. Reynolds Tobacco Company Filtered Smoking Article

Family Cites Families (9)

* 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 (de) * 1957-10-03 1959-02-19 Zigarettenfabrik Kosmos G M B Rauchfilterkoerper und Verfahren zu deren Herstellung
US2872928A (en) * 1957-11-08 1959-02-10 Comb Res Inc Means and methods for extracting from tobacco smoke deleterious ingredients
FR1291061A (fr) * 1961-03-10 1962-04-20 Produits filtrants pour la fumée de tabac et autres gaz et cartouches perfectionnées pouvant recevoir ces produits et permettant d'en accentuer l'effet filtrant
FR1479836A (fr) * 1965-05-14 1967-05-05 Reemtsma H F & Ph Filtre pour cigarettes
DE1300854B (de) * 1965-05-14 1969-08-07 Reemtsma H F & Ph Filter fuer Zigaretten
DE1692895A1 (de) * 1966-08-31 1972-05-18 Brinkmann Ag M Saeure enthaltender Tabakrauchfilterkoerper aus Celluloseacetat und Verfahren zu seiner Herstellung
GB1285886A (en) * 1968-11-13 1972-08-16 Cigarette Components Ltd Cigarette filter
US3618619A (en) * 1970-03-03 1971-11-09 Eastman Kodak Co Tobacco smoke filters

Also Published As

Publication number Publication date
EP0346648B1 (de) 1993-01-07
EP0346648A3 (en) 1990-11-07
DE58903210D1 (de) 1993-02-18
EP0346648A2 (de) 1989-12-20
DE3820089C2 (pt) 1992-01-23
JPH0239873A (ja) 1990-02-08
US5052415A (en) 1991-10-01
DE3820089A1 (de) 1989-12-14

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FF Decision: intention to grant
KD Notifcation of receipt (letter patent)
FG Letter patent granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 08/06/2004