FR2298281A2 - Filtre pour fumee de tabac - Google Patents

Filtre pour fumee de tabac

Info

Publication number
FR2298281A2
FR2298281A2 FR7529292A FR7529292A FR2298281A2 FR 2298281 A2 FR2298281 A2 FR 2298281A2 FR 7529292 A FR7529292 A FR 7529292A FR 7529292 A FR7529292 A FR 7529292A FR 2298281 A2 FR2298281 A2 FR 2298281A2
Authority
FR
France
Prior art keywords
nicotine
tar
cigarette filter
filter
pref
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
FR7529292A
Other languages
English (en)
Other versions
FR2298281B2 (fr
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 of Pall Mall Canada Ltd
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 GB1949572A external-priority patent/GB1381800A/en
Priority claimed from US05/544,292 external-priority patent/US4059121A/en
Application filed by Rothmans of Pall Mall Canada Ltd filed Critical Rothmans of Pall Mall Canada Ltd
Publication of FR2298281A2 publication Critical patent/FR2298281A2/fr
Application granted granted Critical
Publication of FR2298281B2 publication Critical patent/FR2298281B2/fr
Granted 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
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Filtering Materials (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
FR7529292A 1972-04-26 1975-09-24 Filtre pour fumee de tabac Granted FR2298281A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1949572A GB1381800A (en) 1972-04-26 1972-04-26 Filter for tobacco smoke
US05/544,292 US4059121A (en) 1973-04-20 1975-01-27 Filter for tobacco smoke

Publications (2)

Publication Number Publication Date
FR2298281A2 true FR2298281A2 (fr) 1976-08-20
FR2298281B2 FR2298281B2 (fr) 1978-04-07

Family

ID=32178908

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7529292A Granted FR2298281A2 (fr) 1972-04-26 1975-09-24 Filtre pour fumee de tabac

Country Status (1)

Country Link
FR (1) FR2298281A2 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2319735A1 (de) * 1972-04-20 1973-10-25 British Ropes Ltd Filtermaterial

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2319735A1 (de) * 1972-04-20 1973-10-25 British Ropes Ltd Filtermaterial

Also Published As

Publication number Publication date
FR2298281B2 (fr) 1978-04-07

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