DE69031032T2 - Filter mit einer gleichmässigen abgabe von teer - Google Patents

Filter mit einer gleichmässigen abgabe von teer

Info

Publication number
DE69031032T2
DE69031032T2 DE69031032T DE69031032T DE69031032T2 DE 69031032 T2 DE69031032 T2 DE 69031032T2 DE 69031032 T DE69031032 T DE 69031032T DE 69031032 T DE69031032 T DE 69031032T DE 69031032 T2 DE69031032 T2 DE 69031032T2
Authority
DE
Germany
Prior art keywords
smoke
cigarette smoke
cigarette
filter
elongated cylinder
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.)
Expired - Fee Related
Application number
DE69031032T
Other languages
German (de)
English (en)
Other versions
DE69031032D1 (de
Inventor
Warren 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 Benson and Hedges Inc
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 GB898904752A external-priority patent/GB8904752D0/en
Priority claimed from GB898909660A external-priority patent/GB8909660D0/en
Application filed by Rothmans Benson and Hedges Inc filed Critical Rothmans Benson and Hedges Inc
Publication of DE69031032D1 publication Critical patent/DE69031032D1/de
Application granted granted Critical
Publication of DE69031032T2 publication Critical patent/DE69031032T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Fats And Perfumes (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
DE69031032T 1989-03-02 1990-03-01 Filter mit einer gleichmässigen abgabe von teer Expired - Fee Related DE69031032T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB898904752A GB8904752D0 (en) 1989-03-02 1989-03-02 Uniform tar delivery profile filter
GB898909660A GB8909660D0 (en) 1989-04-27 1989-04-27 Uniform tar delivery profile filter-11
PCT/CA1990/000070 WO1990009741A1 (fr) 1989-03-02 1990-03-01 Filtre a courbe de liberation du goudron uniforme

Publications (2)

Publication Number Publication Date
DE69031032D1 DE69031032D1 (de) 1997-08-14
DE69031032T2 true DE69031032T2 (de) 1998-01-29

Family

ID=26295035

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69031032T Expired - Fee Related DE69031032T2 (de) 1989-03-02 1990-03-01 Filter mit einer gleichmässigen abgabe von teer

Country Status (6)

Country Link
EP (1) EP0461162B1 (fr)
JP (1) JP2701974B2 (fr)
AU (1) AU629320B2 (fr)
CA (1) CA2049573C (fr)
DE (1) DE69031032T2 (fr)
WO (1) WO1990009741A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8823902D0 (en) * 1988-10-12 1988-11-16 Rothmans Int Tobacco Cigarette filter rod elements & cigarettes incorporating such filter rod elements
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
US5746230A (en) * 1990-08-24 1998-05-05 Philip Morris Incorporated Concentric smoking filter having discrete tow and web filter media
AU699329B2 (en) * 1991-08-08 1998-12-03 Rothmans International Services Limited Control of cigarette smoke chemistry
GB9117118D0 (en) * 1991-08-08 1991-09-25 Rothmans Benson & Hedges Control of cigarette smoke chemistry
GB9122935D0 (en) * 1991-10-30 1991-12-18 Rothmans Benson & Hedges Novel cigarette system
TR26626A (tr) * 1992-12-18 1995-03-15 Rothmans Benson And Hedges Inc Yeni cok icimli sigara sistemi.
TR28750A (tr) * 1992-12-18 1997-02-28 Rothmans Benson & Hedges Münferit sigaralarin, kismen icilmesi, söndürülmesi ve ondan sonra tekrar icilmesine, müsaade eden yeni bir sigara strüktürü.
GB9307710D0 (en) * 1993-04-14 1993-06-02 Rothmans Benson & Hedges Smoking apparatus-l
DE4322967C1 (de) * 1993-07-09 1994-10-13 Rhodia Ag Rhone Poulenc Filtertow aus Celluloseacetat, dessen Herstellung und Verwendung als Tabakrauchfilterelement
US7987856B2 (en) * 2005-12-29 2011-08-02 Philip Morris Usa Inc. Smoking article with bypass channel
GB0713905D0 (en) 2007-07-17 2007-08-29 British American Tobacco Co Cellulose acetate thread in filter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1097748A (en) * 1965-05-27 1968-01-03 Monsanto Co Cigarette filter
US3502087A (en) * 1968-07-05 1970-03-24 Ernest J Romano Cigarette filter
US3621851A (en) * 1969-11-26 1971-11-23 Kata Mfg & Filtering Co Filter for smoker's article
US3854384A (en) * 1971-05-24 1974-12-17 Brown & Williamson Tobacco Method of making tobacco smoke filters
GB1360611A (en) * 1971-06-30 1974-07-17 Molins Ltd Cigarette filters
DE3624661A1 (de) * 1986-07-22 1988-02-04 Rhodia Ag Ventilierte zigarette
GB8823902D0 (en) * 1988-10-12 1988-11-16 Rothmans Int Tobacco Cigarette filter rod elements & cigarettes incorporating such filter rod elements
DK499289A (da) * 1988-10-12 1990-04-13 Rothmans Int Tobacco Stangelementer til cigaretfiltre og cigaretter udstyret med saadanne stangelementer

Also Published As

Publication number Publication date
EP0461162B1 (fr) 1997-07-09
DE69031032D1 (de) 1997-08-14
AU629320B2 (en) 1992-10-01
CA2049573C (fr) 1997-01-14
CA2049573A1 (fr) 1991-09-02
AU5268990A (en) 1990-09-26
JP2701974B2 (ja) 1998-01-21
JPH04503753A (ja) 1992-07-09
WO1990009741A1 (fr) 1990-09-07
EP0461162A1 (fr) 1991-12-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee