CA939577A - Tobacco smoke filter - Google Patents

Tobacco smoke filter

Info

Publication number
CA939577A
CA939577A CA124,307A CA124307A CA939577A CA 939577 A CA939577 A CA 939577A CA 124307 A CA124307 A CA 124307A CA 939577 A CA939577 A CA 939577A
Authority
CA
Canada
Prior art keywords
tobacco smoke
smoke filter
filter
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.)
Expired
Application number
CA124,307A
Other versions
CA124307S (en
Inventor
John E. Kiefer
Robert C. Mumpower (Ii)
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of CA939577A publication Critical patent/CA939577A/en
Expired 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
    • 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
    • A24D3/045—Tobacco smoke filters characterised by their shape or structure with smoke acceleration means, e.g. impact-filters
CA124,307A 1970-10-05 1971-10-04 Tobacco smoke filter Expired CA939577A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7777370A 1970-10-05 1970-10-05
US17018071A 1971-08-09 1971-08-09

Publications (1)

Publication Number Publication Date
CA939577A true CA939577A (en) 1974-01-08

Family

ID=26759654

Family Applications (1)

Application Number Title Priority Date Filing Date
CA124,307A Expired CA939577A (en) 1970-10-05 1971-10-04 Tobacco smoke filter

Country Status (2)

Country Link
US (1) US3768489A (en)
CA (1) CA939577A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3910288A (en) * 1973-02-27 1975-10-07 Brown & Williamson Tobacco Programmed filter
US4022221A (en) * 1975-10-31 1977-05-10 American Filtrona Corporation Tobacco smoke filter
GB1585862A (en) * 1976-11-19 1981-03-11 British American Tobacco Co Tobacco-smoke filters
US4413641A (en) * 1979-09-07 1983-11-08 Philip Morris Incorporated Cigarette mouthpiece
US4492238A (en) * 1981-09-30 1985-01-08 Philip Morris Incorporated Method and apparatus for production of smoke filter components
GB8713904D0 (en) * 1987-06-15 1987-07-22 Tabac Fab Reunies Sa Filter for smoking articles
US5076295A (en) * 1989-09-29 1991-12-31 R. J. Reynolds Tobacco Company Cigarette filter
US5105834A (en) * 1989-12-18 1992-04-21 R.J. Reynolds Tobacco Company Cigarette and cigarette filter element therefor
US5246017A (en) * 1990-11-06 1993-09-21 R. J. Reynolds Tobacco Company Cigarette and cigarette filter element therefor
US5947126A (en) * 1997-05-29 1999-09-07 Eastman Chemical Co. Environmentally disintegratable tobacco smoke filter rod
US7687107B2 (en) * 1999-08-19 2010-03-30 Ppg Industries Ohio, Inc. Process for producing chemically modified amorphous precipitated silica
GB0809865D0 (en) * 2008-05-30 2008-07-09 British American Tobacco Co Filter for a smoking article
DE102008056384B4 (en) * 2008-11-10 2017-03-30 British American Tobacco (Germany) Gmbh Multifilter for a smoking article
GB201220098D0 (en) 2012-11-07 2012-12-19 Filtrona Filter Prod Dev Co tOBACCO SMOKE FILTER
PL3167727T3 (en) * 2015-11-16 2021-07-12 Reemtsma Cigarettenfabriken Gmbh Smoking article
JP6884851B2 (en) * 2017-03-30 2021-06-09 日本たばこ産業株式会社 Paper for smoking goods and smoking goods

Also Published As

Publication number Publication date
US3768489A (en) 1973-10-30

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