BE773077A - IMPROVEMENT OF MATERIALS AND FILTERS TO FILTER TOBACCO SMOKE - Google Patents

IMPROVEMENT OF MATERIALS AND FILTERS TO FILTER TOBACCO SMOKE

Info

Publication number
BE773077A
BE773077A BE773077A BE773077A BE773077A BE 773077 A BE773077 A BE 773077A BE 773077 A BE773077 A BE 773077A BE 773077 A BE773077 A BE 773077A BE 773077 A BE773077 A BE 773077A
Authority
BE
Belgium
Prior art keywords
filters
improvement
materials
tobacco smoke
filter tobacco
Prior art date
Application number
BE773077A
Other languages
French (fr)
Inventor
E F Litzinger
Original Assignee
British American Tobacco 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 British American Tobacco Co filed Critical British American Tobacco Co
Publication of BE773077A publication Critical patent/BE773077A/en

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
    • A24D3/14—Use of materials for tobacco smoke filters of organic materials as additive

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Filtering Materials (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
BE773077A 1970-09-25 1971-09-24 IMPROVEMENT OF MATERIALS AND FILTERS TO FILTER TOBACCO SMOKE BE773077A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7577370A 1970-09-25 1970-09-25

Publications (1)

Publication Number Publication Date
BE773077A true BE773077A (en) 1972-03-24

Family

ID=22127888

Family Applications (1)

Application Number Title Priority Date Filing Date
BE773077A BE773077A (en) 1970-09-25 1971-09-24 IMPROVEMENT OF MATERIALS AND FILTERS TO FILTER TOBACCO SMOKE

Country Status (14)

Country Link
US (1) US3716063A (en)
AR (1) AR192895A1 (en)
AU (1) AU446175B2 (en)
BE (1) BE773077A (en)
BR (1) BR7106323D0 (en)
CA (1) CA944249A (en)
DE (1) DE2148035C3 (en)
DK (1) DK133456B (en)
FI (1) FI52166C (en)
GB (1) GB1313259A (en)
MY (1) MY7300479A (en)
NL (1) NL152443B (en)
SE (1) SE376541B (en)
ZA (1) ZA716419B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4091822A (en) * 1975-04-25 1978-05-30 Loews Theatres, Inc. Article for the selective removal of hydrogen cyanide from tobacco smoke
ZA792187B (en) * 1978-05-16 1980-05-28 British American Tobacco Co Tobacco smoke filters
US5009239A (en) * 1988-12-20 1991-04-23 Hoechst Celanese Corporation Selective delivery and retention of aldehyde and nicotine by-product from cigarette smoke
DE4205658A1 (en) * 1992-02-25 1993-08-26 Reemtsma H F & Ph VENTILATED FILTER CIGARETTE
US6209547B1 (en) 1998-10-29 2001-04-03 Philip Morris Incorporated Cigarette filter
US6289898B1 (en) 1999-07-28 2001-09-18 Philip Morris Incorporated Smoking article wrapper with improved filler
US7216652B1 (en) 1999-07-28 2007-05-15 Philip Morris Usa Inc. Smoking article wrapper with improved filler
US6911189B1 (en) 1999-10-29 2005-06-28 Philip Morris Usa Inc. Filter for selective removal of a gaseous component
US6848450B2 (en) * 2000-02-07 2005-02-01 Philip Morris Usa Inc. Cigarette filter using intermetallic compounds
US6481442B1 (en) * 2000-11-28 2002-11-19 Lorillard Licensing Company, Llc Smoking article including a filter for selectively removing carbonyls
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
BRPI0407551B1 (en) * 2003-02-18 2012-09-04 tobacco smoke filter, smoking device, tobacco smoke filtration method and method of manufacturing said device
US20050205102A1 (en) * 2004-01-30 2005-09-22 Philip Morris Usa Inc. Method of making surface modified silica gel
MX2007004566A (en) * 2006-04-17 2009-02-16 Filligent Ltd Method and device for making tobacco smoke filters.
FR2905628B1 (en) 2006-09-13 2011-01-21 Rhodia Recherches & Tech HIGH COHESION COMPOSITE MATERIAL, PROCESS FOR PREPARATION AND USES, IN PARTICULAR IN CIGARETTE FILTERS.
CN101433371B (en) * 2008-12-19 2011-10-12 湖南中烟工业有限责任公司 Papery filter tip for reducing aldehydes material in smoke of cigarette and preparation method thereof
CN102960860B (en) * 2012-11-27 2014-04-16 湖南中烟工业有限责任公司 Application method of cigarette smoke heavy metal ion adsorbent obtained through chemical cross-linking
CN102948925B (en) * 2012-11-27 2014-06-11 湖南中烟工业有限责任公司 Application method of cigarette smoke heavy metal adsorbent
CN104116133A (en) * 2014-07-31 2014-10-29 云南中烟工业有限责任公司 Application of polymers rich in amino groups in paper filter stick
US11446634B2 (en) 2016-11-14 2022-09-20 Georgia Tech Research Corporation Pcstructures including supported polyamines and methods of making the supported polyamines
CN106954891A (en) * 2017-04-10 2017-07-18 滁州卷烟材料厂 A kind of filter tip for being used to adsorb heavy metal in cigarette smoke

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3434479A (en) * 1966-09-15 1969-03-25 Liggett & Myers Tobacco Co Permanganate tobacco smoke filter
US3340879A (en) * 1967-01-16 1967-09-12 Brown & Williamson Tobacco Cigarette filters
US3410282A (en) * 1967-03-13 1968-11-12 Eastman Kodak Co Filter medium for removing hydrogen cyanide from tobacco smoke

Also Published As

Publication number Publication date
SE376541B (en) 1975-06-02
GB1313259A (en) 1973-04-11
DE2148035B2 (en) 1980-06-12
ZA716419B (en) 1972-05-31
NL7113122A (en) 1972-03-28
US3716063A (en) 1973-02-13
FI52166C (en) 1977-07-11
AR192895A1 (en) 1973-03-21
CA944249A (en) 1974-03-26
FI52166B (en) 1977-03-31
DE2148035A1 (en) 1972-03-30
DE2148035C3 (en) 1981-02-19
AU3384071A (en) 1973-03-29
DK133456C (en) 1976-10-18
AU446175B2 (en) 1974-03-14
DK133456B (en) 1976-05-24
NL152443B (en) 1977-03-15
MY7300479A (en) 1973-12-31
BR7106323D0 (en) 1973-05-08

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BRITISH AMERICAN TOBACCO CY LTD

Effective date: 19900930