AU629320B2 - Uniform tar delivery profile filter - Google Patents

Uniform tar delivery profile filter

Info

Publication number
AU629320B2
AU629320B2 AU52689/90A AU5268990A AU629320B2 AU 629320 B2 AU629320 B2 AU 629320B2 AU 52689/90 A AU52689/90 A AU 52689/90A AU 5268990 A AU5268990 A AU 5268990A AU 629320 B2 AU629320 B2 AU 629320B2
Authority
AU
Australia
Prior art keywords
smoke
cigarette
filter element
cylinder
filter
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.)
Ceased
Application number
AU52689/90A
Other languages
English (en)
Other versions
AU5268990A (en
Inventor
Warren Arthur 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 AU5268990A publication Critical patent/AU5268990A/en
Application granted granted Critical
Publication of AU629320B2 publication Critical patent/AU629320B2/en
Assigned to ROTHMANS INTERNATIONAL TOBACCO LIMITED, ROTHMANS, BENSON & HEDGES INC. reassignment ROTHMANS INTERNATIONAL TOBACCO LIMITED Request to Amend Deed and Register Assignors: ROTHMANS INTERNATIONAL SERVICES LIMITED, ROTHMANS, BENSON & HEDGES INC.
Assigned to ROTHMANS, BENSON & HEDGES INC., ROTHMANS INTERNATIONAL SERVICES LIMITED reassignment ROTHMANS, BENSON & HEDGES INC. Request to Amend Deed and Register Assignors: ROTHMANS INTERNATIONAL TOBACCO LIMITED, ROTHMANS, BENSON & HEDGES INC.
Assigned to ROTHMANS, BENSON & HEDGES INC. reassignment ROTHMANS, BENSON & HEDGES INC. Alteration of Name(s) in Register under S187 Assignors: ROTHMANS INTERNATIONAL SERVICES LIMITED, ROTHMANS, BENSON & HEDGES INC.
Anticipated expiration legal-status Critical
Ceased 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)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Fats And Perfumes (AREA)
AU52689/90A 1989-03-02 1990-03-01 Uniform tar delivery profile filter Ceased AU629320B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB8904752 1989-03-02
GB898904752A GB8904752D0 (en) 1989-03-02 1989-03-02 Uniform tar delivery profile filter
GB8909660 1989-04-27
GB898909660A GB8909660D0 (en) 1989-04-27 1989-04-27 Uniform tar delivery profile filter-11

Publications (2)

Publication Number Publication Date
AU5268990A AU5268990A (en) 1990-09-26
AU629320B2 true AU629320B2 (en) 1992-10-01

Family

ID=26295035

Family Applications (1)

Application Number Title Priority Date Filing Date
AU52689/90A Ceased AU629320B2 (en) 1989-03-02 1990-03-01 Uniform tar delivery profile filter

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU668876B2 (en) * 1991-08-08 1996-05-23 Rothmans International Services Limited Control of cigarette smoke chemistry

Families Citing this family (11)

* 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
US5746230A (en) * 1990-08-24 1998-05-05 Philip Morris Incorporated Concentric smoking filter having discrete tow and web filter media
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
AU699329B2 (en) * 1991-08-08 1998-12-03 Rothmans International Services Limited 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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0364253A1 (fr) * 1988-10-12 1990-04-18 Rothmans International Services Limited Elément de tiges de filtre à cigarette et cigarettes avec de tels éléments de tiges de filtre
AU4286489A (en) * 1988-10-12 1990-04-26 Rothmans International Tobacco (Uk) Limited Cigarette filter rod elements and cigarettes incorporating such filter rod elements

Family Cites Families (6)

* 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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0364253A1 (fr) * 1988-10-12 1990-04-18 Rothmans International Services Limited Elément de tiges de filtre à cigarette et cigarettes avec de tels éléments de tiges de filtre
AU4286589A (en) * 1988-10-12 1990-04-26 Rothmans International Tobacco (Uk) Limited Cigarette filter rod elements and cigarettes incorporating such filter rod elements
AU4286489A (en) * 1988-10-12 1990-04-26 Rothmans International Tobacco (Uk) Limited Cigarette filter rod elements and cigarettes incorporating such filter rod elements

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU668876B2 (en) * 1991-08-08 1996-05-23 Rothmans International Services Limited Control of cigarette smoke chemistry

Also Published As

Publication number Publication date
CA2049573C (fr) 1997-01-14
EP0461162A1 (fr) 1991-12-18
JP2701974B2 (ja) 1998-01-21
DE69031032D1 (de) 1997-08-14
JPH04503753A (ja) 1992-07-09
DE69031032T2 (de) 1998-01-29
CA2049573A1 (fr) 1991-09-02
EP0461162B1 (fr) 1997-07-09
AU5268990A (en) 1990-09-26
WO1990009741A1 (fr) 1990-09-07

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired