CA943835A - Filter - Google Patents

Filter

Info

Publication number
CA943835A
CA943835A CA102,789A CA102789A CA943835A CA 943835 A CA943835 A CA 943835A CA 102789 A CA102789 A CA 102789A CA 943835 A CA943835 A CA 943835A
Authority
CA
Canada
Prior art keywords
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.)
Expired
Application number
CA102,789A
Other versions
CA102789S (en
Inventor
Carl D. Patterson
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.)
Celanese Corp
Original Assignee
Celanese Corp
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 Celanese Corp filed Critical Celanese Corp
Application granted granted Critical
Publication of CA943835A publication Critical patent/CA943835A/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
    • A24D3/045—Tobacco smoke filters characterised by their shape or structure with smoke acceleration means, e.g. impact-filters
CA102,789A 1970-01-29 1971-01-14 Filter Expired CA943835A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US686770A 1970-01-29 1970-01-29

Publications (1)

Publication Number Publication Date
CA943835A true CA943835A (en) 1974-03-19

Family

ID=21723009

Family Applications (1)

Application Number Title Priority Date Filing Date
CA102,789A Expired CA943835A (en) 1970-01-29 1971-01-14 Filter

Country Status (2)

Country Link
US (1) US3648712A (en)
CA (1) CA943835A (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1592549A (en) * 1976-10-06 1981-07-08 British American Tobacco Co Tobacco-smoke filters
US4331166A (en) * 1980-05-02 1982-05-25 Philip Morris, Incorporated Cigarette
GB8713904D0 (en) * 1987-06-15 1987-07-22 Tabac Fab Reunies Sa Filter for smoking articles
US5509429A (en) * 1989-03-02 1996-04-23 Kothmans, Benson & Hedges Inc. Uniform tar delivery profile filter
GB9122447D0 (en) * 1991-10-23 1991-12-04 Rothmans Int Tobacco Lightweight cigarette filter and cigarettes incorporating such filters
WO2006100605A1 (en) * 2005-03-21 2006-09-28 Philip Morris Products S.A. Smoking article comprising a segmented rod of smokable material
US8240315B2 (en) * 2005-12-29 2012-08-14 Philip Morris Usa Inc. Smoking article with improved delivery profile
US7987856B2 (en) 2005-12-29 2011-08-02 Philip Morris Usa Inc. Smoking article with bypass channel
BRPI0709264B1 (en) 2006-03-28 2018-09-18 Philip Morris Products Sa smoking article with a restrictor
US20080047571A1 (en) * 2006-07-12 2008-02-28 Philip Morris Usa Inc. Smoking article with plate impactor
US8353298B2 (en) 2006-07-12 2013-01-15 Philip Morris Usa Inc. Smoking article with impaction filter segment
US8424539B2 (en) * 2006-08-08 2013-04-23 Philip Morris Usa Inc. Smoking article with single piece restrictor and chamber
US8235056B2 (en) * 2006-12-29 2012-08-07 Philip Morris Usa Inc. Smoking article with concentric hollow core in tobacco rod and capsule containing flavorant and aerosol forming agents in the filter system
TW200911141A (en) * 2007-03-09 2009-03-16 Philip Morris Prod Super recessed filter cigarette restrictor
TW200911138A (en) * 2007-03-09 2009-03-16 Philip Morris Prod Smoking articles with restrictor and aerosol former
TW200900014A (en) * 2007-03-09 2009-01-01 Philip Morris Prod Smoking article filter with annular restrictor and downstream ventilation
TW200911143A (en) * 2007-03-09 2009-03-16 Philip Morris Prod Restrictor attachment for unfiltered smoking article
AR080556A1 (en) 2009-10-09 2012-04-18 Philip Morris Prod FILTER DESIGN TO IMPROVE THE SENSORY PROFILE OF ARTICLES FOR SMOKING WITH CARBON FILTER NOZZLE
US20110083687A1 (en) * 2009-10-09 2011-04-14 Philip Morris Usa Inc. Cigarette filter to reduce smoke deliveries in later puffs
US8424540B2 (en) * 2009-10-09 2013-04-23 Philip Morris Usa Inc. Smoking article with valved restrictor
US8905037B2 (en) * 2009-10-15 2014-12-09 Philip Morris Inc. Enhanced subjective activated carbon cigarette
US9138016B2 (en) 2010-03-26 2015-09-22 Philip Morris Usa Inc. Smoking articles with significantly reduced gas vapor phase smoking constituents
US8967155B2 (en) 2011-11-03 2015-03-03 Celanese Acetate Llc Products of high denier per filament and low total denier tow bands
KR101976325B1 (en) * 2018-07-06 2019-05-07 주식회사 케이티앤지 Cigarette filter reducing smoke constituent, cigarette, and manufacturing method thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3039908A (en) * 1953-07-13 1962-06-19 Hollingsworth & Vose Co Method of making a tobacco smoke filter
US2949116A (en) * 1957-04-01 1960-08-16 Balkind Solomon Adjustable cigarette filter
US3079930A (en) * 1958-09-22 1963-03-05 Eastman Kodak Co Process and apparatus for manufacturing filters
US3081519A (en) * 1962-01-31 1963-03-19 Fibrillated strand
GB1094642A (en) * 1963-04-29 1967-12-13 Gyula Laszlo Torok Improvements in or relating to filters for tobacco smoke
US3461880A (en) * 1967-08-02 1969-08-19 Thomas A Stubblefield Filter cigarette

Also Published As

Publication number Publication date
US3648712A (en) 1972-03-14

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