CA992830A - Filters for tobacco smoke - Google Patents

Filters for tobacco smoke

Info

Publication number
CA992830A
CA992830A CA185,045A CA185045A CA992830A CA 992830 A CA992830 A CA 992830A CA 185045 A CA185045 A CA 185045A CA 992830 A CA992830 A CA 992830A
Authority
CA
Canada
Prior art keywords
filters
tobacco smoke
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
CA185,045A
Other languages
English (en)
Other versions
CA185045S (en
Inventor
Robin A. Crellin
Henry G. Horsewell
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.)
British American Tobacco Investments Ltd
Original Assignee
British American Tobacco Co 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
Application filed by British American Tobacco Co Ltd filed Critical British American Tobacco Co Ltd
Application granted granted Critical
Publication of CA992830A publication Critical patent/CA992830A/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
CA185,045A 1972-11-13 1973-11-05 Filters for tobacco smoke Expired CA992830A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5234872A GB1410048A (en) 1972-11-13 1972-11-13 Filters for tobacco smoke

Publications (1)

Publication Number Publication Date
CA992830A true CA992830A (en) 1976-07-13

Family

ID=10463572

Family Applications (1)

Application Number Title Priority Date Filing Date
CA185,045A Expired CA992830A (en) 1972-11-13 1973-11-05 Filters for tobacco smoke

Country Status (12)

Country Link
US (1) US3894545A (ja)
JP (1) JPS5615226B2 (ja)
AU (1) AU477145B2 (ja)
BE (1) BE807245A (ja)
BR (1) BR7308860D0 (ja)
CA (1) CA992830A (ja)
CH (1) CH586026A5 (ja)
DE (1) DE2355493A1 (ja)
FI (1) FI56616C (ja)
GB (1) GB1410048A (ja)
NL (1) NL7315175A (ja)
ZA (1) ZA738411B (ja)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX142927A (es) * 1974-06-24 1981-01-20 Empresas La Moderna Sa De Cv Mejoras en material para filtrar humo de tabaco
FI67478C (fi) * 1979-11-13 1985-04-10 British American Tobacco Co Filter foer tobaksroek
GB8713904D0 (en) * 1987-06-15 1987-07-22 Tabac Fab Reunies Sa Filter for smoking articles
US5271419A (en) * 1989-09-29 1993-12-21 R. J. Reynolds Tobacco Company Cigarette
IN172374B (ja) * 1988-05-16 1993-07-10 Reynolds Tobacco Co R
US5261425A (en) * 1990-05-24 1993-11-16 R. J. Reynolds Tobacco Company Cigarette
DE4205658A1 (de) * 1992-02-25 1993-08-26 Reemtsma H F & Ph Ventilierte filtercigarette
GB9214267D0 (en) * 1992-07-04 1992-08-19 British American Tobacco Co Improvements relating to smoking articles
US5404890A (en) * 1993-06-11 1995-04-11 R. J. Reynolds Tobacco Company Cigarette filter
US5718250A (en) * 1994-10-07 1998-02-17 R. J. Reynolds Tobacco Company Low gas phase filter for cigarettes
AU2002220121A1 (en) * 2000-11-28 2002-06-11 Lorillard Licensing Company, Llc A smoking article including a selective carbon monoxide pump
HU230306B1 (hu) * 2001-02-22 2015-12-28 Philip Morris Products Inc Cigaretta és szűrő alsó aromaadalékkal
US6814786B1 (en) * 2003-04-02 2004-11-09 Philip Morris Usa Inc. Filters including segmented monolithic sorbent for gas-phase filtration
US20040231684A1 (en) * 2003-05-20 2004-11-25 Zawadzki Michael A. Smoking article and smoking article filter
GB0316171D0 (en) * 2003-07-10 2003-08-13 British American Tobacco Co Improvements relating to smoking article filters
US7669604B2 (en) * 2003-09-30 2010-03-02 R.J. Reynolds Tobacco Company Filtered cigarette incorporating an adsorbent material
US7237558B2 (en) * 2003-09-30 2007-07-03 R. J. Reynolds Tobacco Company Filtered cigarette incorporating an adsorbent material
US7856990B2 (en) * 2003-09-30 2010-12-28 R. J. Reynolds Tobacco Company Filtered cigarette incorporating an adsorbent material
US8066011B2 (en) 2003-09-30 2011-11-29 R. J. Reynolds Tobacco Company Filtered cigarette incorporating an adsorbent material
US7240678B2 (en) 2003-09-30 2007-07-10 R. J. Reynolds Tobacco Company Filtered cigarette incorporating an adsorbent material
ATE532424T1 (de) * 2003-09-30 2011-11-15 Reynolds Tobacco Co R Filterzigarette mit adsorptionsmaterial
US20050121044A1 (en) * 2003-12-09 2005-06-09 Banerjee Chandra K. Catalysts comprising ultrafine particles
US20060090769A1 (en) * 2004-11-02 2006-05-04 Philip Morris Usa Inc. Temperature sensitive powder for enhanced flavor delivery in smoking articles
US20070261706A1 (en) * 2004-12-15 2007-11-15 Ashesh Banerjea Cigarette with carbon on tow filter
US20070056600A1 (en) * 2005-09-14 2007-03-15 R. J. Reynolds Tobacco Company Filtered smoking article
US7914622B2 (en) * 2005-12-21 2011-03-29 Philip Morris Usa Inc. Smoking article having flavorant materials retained in hollow heat conductive tubes
US8739802B2 (en) 2006-10-02 2014-06-03 R.J. Reynolds Tobacco Company Filtered cigarette
US8393334B2 (en) * 2008-06-02 2013-03-12 Philip Morris Usa Inc. Smoking article with transparent section
BR112014013198B1 (pt) 2011-12-30 2020-11-10 Philip Morris Products S.A artigo de fumar
EP2625975A1 (en) 2012-02-13 2013-08-14 Philip Morris Products S.A. Aerosol-generating article having an aerosol-cooling element
AR089602A1 (es) 2011-12-30 2014-09-03 Philip Morris Products Sa Articulo generador de aerosoles para usar con un dispositivo generador de aerosoles
CN103987286B (zh) 2011-12-30 2018-10-02 菲利普莫里斯生产公司 具有前栓棒和气溶胶形成基质的发烟物品以及方法
LT2854570T (lt) 2012-05-31 2016-09-26 Philip Morris Products S.A. Aromatizuoti strypai, skirti naudoti aerozolį generuojančiuose gaminiuose
AR091509A1 (es) 2012-06-21 2015-02-11 Philip Morris Products Sa Articulo para fumar para ser usado con un elemento de calentamiento interno
DE202012103319U1 (de) 2012-08-31 2012-10-11 Lehmann Tabak - Logistik - Fulfillment UG (haftungsbeschränkt) Filtervorrichtung, Rauchmittel, deren Verwendung und System hierzu
CN103222682A (zh) * 2013-04-09 2013-07-31 红云红河烟草(集团)有限责任公司 一种烟用二元复合滤棒及其加工方法和设备
GB201412752D0 (en) 2014-07-17 2014-09-03 Nicoventures Holdings Ltd Electronic vapour provision system
CN107348561B (zh) 2016-05-10 2021-11-02 韩力 一种吸烟制品用微爆微囊及包含该微爆微囊的吸烟制品
CN113197342B (zh) * 2021-05-31 2022-07-12 云南中烟工业有限责任公司 一种可降低烟气温度同时保证烟雾量的方法
CN114983015A (zh) * 2022-05-24 2022-09-02 云南中烟工业有限责任公司 一种夹层填充的中空三角形滤棒及其加工方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1009792A (en) * 1909-06-03 1911-11-28 Thomas Walters Salusbury Tobacco-pipe.
US2235100A (en) * 1939-01-09 1941-03-18 George J Deutsch Tobacco pipe
US3388707A (en) * 1965-05-17 1968-06-18 Harris Walter Tobacco smoke filter
US3621851A (en) * 1969-11-26 1971-11-23 Kata Mfg & Filtering Co Filter for smoker's article

Also Published As

Publication number Publication date
ZA738411B (en) 1974-09-25
AU6215173A (en) 1975-05-08
GB1410048A (en) 1975-10-15
CH586026A5 (ja) 1977-03-31
US3894545A (en) 1975-07-15
BR7308860D0 (pt) 1974-09-05
JPS5615226B2 (ja) 1981-04-09
BE807245A (fr) 1974-03-01
DE2355493A1 (de) 1974-05-22
FI56616B (fi) 1979-11-30
FI56616C (fi) 1980-03-10
AU477145B2 (en) 1976-10-14
JPS49133599A (ja) 1974-12-21
NL7315175A (ja) 1974-05-15

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