CA1035660A - Tobacco-smoke filters - Google Patents

Tobacco-smoke filters

Info

Publication number
CA1035660A
CA1035660A CA229,734A CA229734A CA1035660A CA 1035660 A CA1035660 A CA 1035660A CA 229734 A CA229734 A CA 229734A CA 1035660 A CA1035660 A CA 1035660A
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
CA229,734A
Other languages
English (en)
French (fr)
Inventor
Christopher R. Jenkins
Robin A. Crellin
James W. P. Phelpstead
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 CA1035660A publication Critical patent/CA1035660A/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
    • A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
    • A24D3/163—Carbon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Filtering Materials (AREA)
CA229,734A 1974-06-24 1975-06-17 Tobacco-smoke filters Expired CA1035660A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB27958/74A GB1507456A (en) 1974-06-24 1974-06-24 Tobacco-smoke filters

Publications (1)

Publication Number Publication Date
CA1035660A true CA1035660A (en) 1978-08-01

Family

ID=10268014

Family Applications (1)

Application Number Title Priority Date Filing Date
CA229,734A Expired CA1035660A (en) 1974-06-24 1975-06-17 Tobacco-smoke filters

Country Status (14)

Country Link
US (1) US4062368A (de)
JP (1) JPS5832587B2 (de)
AU (1) AU502214B2 (de)
BE (1) BE830354A (de)
BR (1) BR7503922A (de)
CA (1) CA1035660A (de)
CH (1) CH609218A5 (de)
DE (1) DE2527569C2 (de)
DK (1) DK283275A (de)
FI (1) FI59710C (de)
GB (1) GB1507456A (de)
MX (1) MX142927A (de)
NL (1) NL7507449A (de)
ZA (1) ZA753759B (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI790530A (fi) * 1978-02-21 1979-08-22 Siren M J O Filtermaterial samt foerfarande foer framstaellning av och anvaendning av detsamma
NO154418C (no) * 1978-11-30 1986-09-17 Siren M J O Filtermateriale.
US4664683A (en) * 1984-04-25 1987-05-12 Pall Corporation Self-supporting structures containing immobilized carbon particles and method for forming same
JPS6364472U (de) * 1986-10-14 1988-04-28
US5271419A (en) * 1989-09-29 1993-12-21 R. J. Reynolds Tobacco Company Cigarette
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
GB9307710D0 (en) * 1993-04-14 1993-06-02 Rothmans Benson & Hedges Smoking apparatus-l
CH687800A5 (de) * 1994-12-23 1997-02-28 Baumgartner Papiers Sa Verfahren zur Herstellung eines Zigarettenendstueckes, Zigarettenendstueck und Verwendung desselben.
GB9718314D0 (en) * 1997-08-30 1997-11-05 Secr Defence Filteration processes
CN1216556C (zh) † 2001-02-22 2005-08-31 菲利普莫里斯生产公司 下游加入有香味的香烟和过滤嘴
US20030159703A1 (en) * 2002-02-22 2003-08-28 Zuyin Yang Flavored carbon useful as filtering material of smoking article
US20040016436A1 (en) * 2002-07-26 2004-01-29 Charles Thomas Adsorbents for smoking articles comprising a non-volatile organic compound applied using a supercritical fluid
GB0316171D0 (en) * 2003-07-10 2003-08-13 British American Tobacco Co Improvements relating to smoking article filters
US7827996B2 (en) 2003-12-22 2010-11-09 Philip Morris Usa Inc. Amphiphile-modified sorbents in smoking articles and filters
US8381738B2 (en) 2003-12-22 2013-02-26 Philip Morris Usa Inc. Composite materials and their use in smoking articles
US20060144410A1 (en) * 2004-12-30 2006-07-06 Philip Morris Usa Inc. Surface-modified activated carbon in smoking articles
GB0709989D0 (en) * 2007-05-24 2007-07-04 Filtrona Int Ltd Tobacco smoke filter
GB0805773D0 (en) * 2008-03-31 2008-04-30 British American Tobacco Co Method and apparatus for the plasma processing of filter
US8720450B2 (en) * 2010-07-30 2014-05-13 R.J. Reynolds Tobacco Company Filter element comprising multifunctional fibrous smoke-altering material
US10624386B2 (en) * 2017-07-18 2020-04-21 Jackie L. White Pellet substrates for vaporizing and delivering an aerosol
US11510870B1 (en) 2021-08-31 2022-11-29 Jackie L. White Substrates for vaporizing and delivering an aerosol

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2297248A (en) * 1936-08-21 1942-09-29 Rudolph Hans Porous materials and process of making
US2876133A (en) * 1954-11-15 1959-03-03 Du Pont Process for preparing organophilic particulate solids by polymerizing ethylenically unsaturated monomers upon the surface of organophobic particulate solids
US3117943A (en) * 1957-12-05 1964-01-14 Crylor Pigmented vinyl polymers prepared by adsorbing vinyl monomer on carbon black and then polymerizing said monomer
US3091550A (en) * 1958-09-24 1963-05-28 Union Carbide Corp Adsorbent compositions and method of coating therewith
NL239397A (de) * 1960-03-30
US3101723A (en) * 1960-11-15 1963-08-27 Philip Morris Inc Fibrous cigarette filter
US3217715A (en) * 1965-05-24 1965-11-16 American Filtrona Corp Smoke filter and smoking devices formed therewith
US3544507A (en) * 1967-08-23 1970-12-01 Calgon C0Rp Dedusting and agglomerating activated carbon
US3474600A (en) * 1967-09-22 1969-10-28 Pittsburgh Activated Carbon Co Bonded carbon article
US3528433A (en) * 1968-03-21 1970-09-15 Philip Morris Inc Smoking product having microreticulated filter
US3652461A (en) * 1969-11-10 1972-03-28 Harold R Dalton Carbon black dispersions their preparation and products therefrom
JPS5229789B2 (de) * 1972-09-16 1977-08-04
GB1410048A (en) * 1972-11-13 1975-10-15 British American Tobacco Co Filters for tobacco smoke

Also Published As

Publication number Publication date
NL7507449A (nl) 1975-12-30
GB1507456A (en) 1978-04-12
AU502214B2 (en) 1979-07-19
DE2527569A1 (de) 1976-01-15
JPS5119200A (en) 1976-02-16
US4062368A (en) 1977-12-13
DE2527569C2 (de) 1985-09-19
BR7503922A (pt) 1976-07-06
CH609218A5 (de) 1979-02-28
BE830354A (fr) 1975-10-16
FI751836A (de) 1975-12-25
FI59710B (fi) 1981-06-30
AU8207275A (en) 1976-12-16
DK283275A (da) 1975-12-25
JPS5832587B2 (ja) 1983-07-14
MX142927A (es) 1981-01-20
FI59710C (fi) 1981-10-12
ZA753759B (en) 1976-05-26

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