CA1026638A - Tobacco-smoke filters - Google Patents

Tobacco-smoke filters

Info

Publication number
CA1026638A
CA1026638A CA228,933A CA228933A CA1026638A CA 1026638 A CA1026638 A CA 1026638A CA 228933 A CA228933 A CA 228933A CA 1026638 A CA1026638 A CA 1026638A
Authority
CA
Canada
Prior art keywords
tobacco
smoke filters
smoke
filters
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
CA228,933A
Other languages
English (en)
French (fr)
Inventor
Ian R. Harris
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 CA1026638A publication Critical patent/CA1026638A/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
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/12—Use of materials for tobacco smoke filters of ion exchange materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
CA228,933A 1974-06-17 1975-06-10 Tobacco-smoke filters Expired CA1026638A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB26780/74A GB1509197A (en) 1974-06-17 1974-06-17 Tobacco-smoke filters

Publications (1)

Publication Number Publication Date
CA1026638A true CA1026638A (en) 1978-02-21

Family

ID=10249086

Family Applications (1)

Application Number Title Priority Date Filing Date
CA228,933A Expired CA1026638A (en) 1974-06-17 1975-06-10 Tobacco-smoke filters

Country Status (12)

Country Link
US (1) US4033361A (nl)
AU (1) AU497572B2 (nl)
BE (1) BE830243A (nl)
BR (1) BR7503778A (nl)
CA (1) CA1026638A (nl)
CH (1) CH595785A5 (nl)
DE (1) DE2526959A1 (nl)
DK (1) DK269875A (nl)
FI (1) FI59709C (nl)
GB (1) GB1509197A (nl)
NL (1) NL7507072A (nl)
ZA (1) ZA753639B (nl)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA792187B (en) * 1978-05-16 1980-05-28 British American Tobacco Co Tobacco smoke filters
JP3576292B2 (ja) * 1995-10-05 2004-10-13 ダイセル化学工業株式会社 たばこフィルターおよびその製造方法
US6119699A (en) * 1997-12-19 2000-09-19 Sung; Michael T. Method and apparatus for the selective removal of specific components from smoke condensates
US6209547B1 (en) 1998-10-29 2001-04-03 Philip Morris Incorporated Cigarette filter
US6911189B1 (en) 1999-10-29 2005-06-28 Philip Morris Usa Inc. Filter for selective removal of a gaseous component
US6481442B1 (en) 2000-11-28 2002-11-19 Lorillard Licensing Company, Llc Smoking article including a filter for selectively removing carbonyls
ITPI20010014A1 (it) * 2001-03-05 2002-09-05 Ivo Pera Composto per filtri per sigarette,o altri articoli da fumo,a base di sostanze antiossidanti ed il filtro cosi'ottenuto
US20030066539A1 (en) * 2001-08-01 2003-04-10 Figlar James N. Cigarette Filter
US6779529B2 (en) * 2001-08-01 2004-08-24 Brown & Williamson Tobacco Corporation Cigarette filter
GB0209690D0 (en) * 2002-04-27 2002-06-05 British American Tobacco Co Improvements relating to smoking articles and smokable filler materials therefor
US6863074B2 (en) * 2002-08-30 2005-03-08 Philip Morris Usa Inc. Cigarette filters comprising unfunctionalized porous polyaromatic resins for removing gas phase constituents from mainstream tobacco smoke
US20040231684A1 (en) * 2003-05-20 2004-11-25 Zawadzki Michael A. Smoking article and smoking article filter
US9107455B2 (en) * 2003-11-21 2015-08-18 Philip Morris Usa Inc. Cigarette filter
US20050247323A1 (en) * 2004-05-10 2005-11-10 Brown & Williamson Tobacco Corporation Selective filtration of cigarette smoke using chitosan derivatives
GB0810850D0 (en) * 2008-06-13 2008-07-23 British American Tobacco Co Tobacco treatment
US9474303B2 (en) 2011-09-22 2016-10-25 R.J. Reynolds Tobacco Company Translucent smokeless tobacco product
JP6307773B2 (ja) * 2012-04-30 2018-04-11 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム エアロゲルを含む喫煙物品マウスピース
US9854841B2 (en) 2012-10-08 2018-01-02 Rai Strategic Holdings, Inc. Electronic smoking article and associated method
US8910640B2 (en) 2013-01-30 2014-12-16 R.J. Reynolds Tobacco Company Wick suitable for use in an electronic smoking article
US10031183B2 (en) 2013-03-07 2018-07-24 Rai Strategic Holdings, Inc. Spent cartridge detection method and system for an electronic smoking article
US20140261486A1 (en) 2013-03-12 2014-09-18 R.J. Reynolds Tobacco Company Electronic smoking article having a vapor-enhancing apparatus and associated method
US20140261487A1 (en) 2013-03-14 2014-09-18 R. J. Reynolds Tobacco Company Electronic smoking article with improved storage and transport of aerosol precursor compositions
US9423152B2 (en) 2013-03-15 2016-08-23 R. J. Reynolds Tobacco Company Heating control arrangement for an electronic smoking article and associated system and method
US11503853B2 (en) 2013-09-09 2022-11-22 R.J. Reynolds Tobacco Company Smokeless tobacco composition incorporating a botanical material
CN105273118B (zh) * 2014-07-15 2018-06-12 南通醋酸纤维有限公司 一种pdga树脂及其制备方法和应用
GB201412752D0 (en) 2014-07-17 2014-09-03 Nicoventures Holdings Ltd Electronic vapour provision system
US12114688B2 (en) 2017-10-24 2024-10-15 Rai Strategic Holdings, Inc. Method for formulating aerosol precursor for aerosol delivery device
UA128433C2 (uk) 2019-03-08 2024-07-10 Раі Стретеджік Холдінгс, Інк. Спосіб одержання попередника аерозолю
CN112266770B (zh) * 2020-11-25 2022-02-01 甘肃烟草工业有限责任公司 一种蜂蜡/聚苯乙烯复合相变储能材料及其制备方法与应用
CN116284512B (zh) * 2023-05-25 2023-08-22 天津南开和成科技有限公司 一种含氨基树脂及其制备方法和应用

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL80960C (nl) * 1951-12-24
US2800908A (en) * 1955-09-29 1957-07-30 Blank Samuel Treatment of tobacco smoke
CH399981A (de) * 1960-06-30 1965-09-30 Jacob Van Buuren Arend Tabakrauchfilter
GB1023918A (en) * 1964-03-25 1966-03-30 Haveg Industries Inc Tobacco smoke filter
US3658069A (en) * 1970-02-17 1972-04-25 Stanford Research Inst Filter for reducing the level of carbon monoxide in tobacco smoke

Also Published As

Publication number Publication date
US4033361A (en) 1977-07-05
ZA753639B (en) 1976-05-26
FI751780A (nl) 1975-12-18
DK269875A (da) 1975-12-18
NL7507072A (nl) 1975-12-19
DE2526959A1 (de) 1976-01-02
GB1509197A (en) 1978-05-04
CH595785A5 (nl) 1978-02-28
AU497572B2 (en) 1978-12-21
BR7503778A (pt) 1976-07-06
BE830243A (fr) 1975-10-01
FI59709B (fi) 1981-06-30
AU8187675A (en) 1976-12-09
FI59709C (fi) 1981-10-12

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