BE794461A - IMPROVED FILTER FOR TOBACCO SMOKE - Google Patents

IMPROVED FILTER FOR TOBACCO SMOKE

Info

Publication number
BE794461A
BE794461A BE794461A BE794461A BE794461A BE 794461 A BE794461 A BE 794461A BE 794461 A BE794461 A BE 794461A BE 794461 A BE794461 A BE 794461A BE 794461 A BE794461 A BE 794461A
Authority
BE
Belgium
Prior art keywords
tobacco smoke
improved filter
filter
improved
tobacco
Prior art date
Application number
BE794461A
Other languages
French (fr)
Inventor
J R Hammersmith
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 BE794461A publication Critical patent/BE794461A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28033—Membrane, sheet, cloth, pad, lamellar or mat
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28023—Fibres or filaments

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (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)
  • Treating Waste Gases (AREA)
  • Filtering Materials (AREA)
BE794461A 1972-01-26 1973-01-24 IMPROVED FILTER FOR TOBACCO SMOKE BE794461A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00220743A US3802441A (en) 1972-01-26 1972-01-26 Tobacco smoke filter additive

Publications (1)

Publication Number Publication Date
BE794461A true BE794461A (en) 1973-07-24

Family

ID=22824769

Family Applications (1)

Application Number Title Priority Date Filing Date
BE794461A BE794461A (en) 1972-01-26 1973-01-24 IMPROVED FILTER FOR TOBACCO SMOKE

Country Status (10)

Country Link
US (1) US3802441A (en)
AU (1) AU463557B2 (en)
BE (1) BE794461A (en)
CA (1) CA959369A (en)
CH (1) CH573719A5 (en)
DK (1) DK130764B (en)
FI (1) FI55604C (en)
GB (1) GB1400197A (en)
NL (1) NL167845C (en)
ZA (1) ZA728844B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4763674A (en) * 1986-04-16 1988-08-16 Hercules Incorporated Method and device for controlling hydrogen cyanide and nitric oxide concentrations in cigarette smoke
EP0250806A3 (en) * 1986-06-30 1988-06-01 Hercules Incorporated Method and device for removing nitric oxide from cigarette smoke
JP4558122B2 (en) * 2000-01-14 2010-10-06 株式会社資生堂 Antibacterial and antifungal agent and antibacterial and antifungal composition
CN100459894C (en) * 2002-09-19 2009-02-11 日本烟草产业株式会社 Cigarette filter
PL1837009T3 (en) * 2006-03-22 2009-10-30 Procter & Gamble Oral zinc compositions
EP2130444A1 (en) 2008-06-06 2009-12-09 Xavier Wertz Smokable material and smokable articles
GB201112539D0 (en) 2011-07-21 2011-08-31 British American Tobacco Co Porous carbon and methods of production thereof
EP3031847A1 (en) * 2014-12-11 2016-06-15 Solvay Acetow GmbH Polymer composition comprising basic additive, process and articles comprising said polymer composition
ES2808125T3 (en) 2016-08-17 2021-02-25 Philip Morris Products Sa Aerosol generator item that has a new tobacco substrate

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3021242A (en) * 1957-12-16 1962-02-13 Eastman Kodak Co Bonding additives onto filament filters
BE631043A (en) * 1962-04-16
NL293155A (en) * 1963-03-04
US3428055A (en) * 1965-04-09 1969-02-18 Eastman Kodak Co Filter elements and additive therefor
US3426763A (en) * 1965-07-21 1969-02-11 Eastman Kodak Co Tobacco smoke filter having a coated carbon additive
GB1150192A (en) * 1967-03-29 1969-04-30 British American Tobacco Co Improvements relating to Cigarette Filters.
US3618619A (en) * 1970-03-03 1971-11-09 Eastman Kodak Co Tobacco smoke filters

Also Published As

Publication number Publication date
NL7301195A (en) 1973-07-30
AU463557B2 (en) 1975-07-31
NL167845B (en) 1981-09-16
DE2263178A1 (en) 1973-08-02
US3802441A (en) 1974-04-09
DE2263178B2 (en) 1977-04-28
FI55604B (en) 1979-05-31
FI55604C (en) 1979-09-10
ZA728844B (en) 1973-10-31
AU5014972A (en) 1974-07-11
DK130764C (en) 1975-09-15
GB1400197A (en) 1975-07-16
DK130764B (en) 1975-04-14
CH573719A5 (en) 1976-03-31
CA959369A (en) 1974-12-17
NL167845C (en) 1982-02-16

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BRITISH AMERICAN TOBACCO CY LTD

Effective date: 19900131