GB997149A - Improvements relating to cigarette filters - Google Patents

Improvements relating to cigarette filters

Info

Publication number
GB997149A
GB997149A GB29004/63A GB2900463A GB997149A GB 997149 A GB997149 A GB 997149A GB 29004/63 A GB29004/63 A GB 29004/63A GB 2900463 A GB2900463 A GB 2900463A GB 997149 A GB997149 A GB 997149A
Authority
GB
United Kingdom
Prior art keywords
improvements relating
cigarette filters
tobacco smoke
filter material
smoke filter
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
GB29004/63A
Inventor
Ivor Wallace Hughes
Henry George Horsewell
Donal Michael Carroll
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
Priority to GB29004/63A priority Critical patent/GB997149A/en
Priority to US380929A priority patent/US3320961A/en
Priority to DE19641517254 priority patent/DE1517254C3/en
Publication of GB997149A publication Critical patent/GB997149A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Paper (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

A tobacco smoke filter comprises filamentary or sheet tobacco smoke filter material treated with an alkaline sodium salt of ortho-phosphoric acid. The amount of the salt added is from 10%-20% by weight of the filter material and it may be applied by dusting or in the form of a solution by spraying or coating. Quantative examples are given.
GB29004/63A 1963-07-22 1963-07-22 Improvements relating to cigarette filters Expired GB997149A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB29004/63A GB997149A (en) 1963-07-22 1963-07-22 Improvements relating to cigarette filters
US380929A US3320961A (en) 1963-07-22 1964-07-07 Cigarette filters
DE19641517254 DE1517254C3 (en) 1963-07-22 1964-07-16 Process for the production of a filter material for tobacco smoke

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB29004/63A GB997149A (en) 1963-07-22 1963-07-22 Improvements relating to cigarette filters

Publications (1)

Publication Number Publication Date
GB997149A true GB997149A (en) 1965-07-07

Family

ID=10284721

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29004/63A Expired GB997149A (en) 1963-07-22 1963-07-22 Improvements relating to cigarette filters

Country Status (2)

Country Link
US (1) US3320961A (en)
GB (1) GB997149A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1103823A (en) * 1964-06-10 1968-02-21 British American Tobacco Co Improvements relating to tobacco-smoke filters
US3417758A (en) * 1965-01-15 1968-12-24 Eastman Kodak Co Filter elements and additives therefor
US3397705A (en) * 1965-08-02 1968-08-20 Eastman Kodak Co Filter elements and additive containing material therefor
US3428055A (en) * 1965-04-09 1969-02-18 Eastman Kodak Co Filter elements and additive therefor
US3428056A (en) * 1965-07-21 1969-02-18 Eastman Kodak Co Tobacco smoke filter incorporating coated polyolefin additive
US3426763A (en) * 1965-07-21 1969-02-11 Eastman Kodak Co Tobacco smoke filter having a coated carbon additive
US3515151A (en) * 1968-05-14 1970-06-02 George Brent Cigarette with filter
US4227899A (en) * 1978-09-06 1980-10-14 Meny Allan H Absolute fluid filter
US4270933A (en) * 1980-03-19 1981-06-02 Meny Allan H Regenerative, fluid filter
US5150723A (en) * 1988-09-28 1992-09-29 Eastman Kodak Company Process for the production of tobacco smoke filters
US4964426A (en) * 1988-09-28 1990-10-23 Eastman Kodak Company Tobacco smoke filters and process for production thereof
US5141006A (en) * 1990-02-28 1992-08-25 Eastman Kodak Company Tobacco smoke filter material and process for production thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH287549A (en) * 1950-11-03 1952-12-15 Andreae Rene Smoking stuff given away with a filter.
US2940456A (en) * 1956-02-08 1960-06-14 Eastman Kodak Co Fibrous tobacco smoke filter containing finely divided solids

Also Published As

Publication number Publication date
DE1517254A1 (en) 1970-01-29
DE1517254B2 (en) 1975-07-24
US3320961A (en) 1967-05-23

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