CH540656A - Tobacco smoke filter element - Google Patents

Tobacco smoke filter element

Info

Publication number
CH540656A
CH540656A CH1069871A CH1069871A CH540656A CH 540656 A CH540656 A CH 540656A CH 1069871 A CH1069871 A CH 1069871A CH 1069871 A CH1069871 A CH 1069871A CH 540656 A CH540656 A CH 540656A
Authority
CH
Switzerland
Prior art keywords
filter element
tobacco smoke
smoke filter
tobacco
smoke
Prior art date
Application number
CH1069871A
Other languages
French (fr)
Inventor
George Horsewell Henry
Anchony Luke John
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 CH540656A publication Critical patent/CH540656A/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04Tobacco smoke filters characterised by their shape or structure
    • A24D3/045Tobacco smoke filters characterised by their shape or structure with smoke acceleration means, e.g. impact-filters
CH1069871A 1970-07-23 1971-07-20 Tobacco smoke filter element CH540656A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3578370 1970-07-23

Publications (1)

Publication Number Publication Date
CH540656A true CH540656A (en) 1973-08-31

Family

ID=10381510

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1069871A CH540656A (en) 1970-07-23 1971-07-20 Tobacco smoke filter element

Country Status (11)

Country Link
AU (1) AU452247B2 (en)
BE (1) BE770421A (en)
CA (1) CA942611A (en)
CH (1) CH540656A (en)
DE (1) DE2135112C3 (en)
FI (1) FI51649C (en)
GB (1) GB1319862A (en)
NL (1) NL7110035A (en)
NO (1) NO128937B (en)
SE (1) SE370612B (en)
ZA (1) ZA714381B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4357950A (en) * 1980-05-27 1982-11-09 American Filtrona Corporation Tobacco smoke filter having improved tar/carbon monoxide ratio
NO157125C (en) * 1982-04-08 1988-06-01 Filtrona Ltd CIGARETTE FILTER ELEMENT, ALTERNATIVE WITH AN ENVIRONMENTAL, VENTILATING NOZZLE MATERIAL.
GB9307710D0 (en) * 1993-04-14 1993-06-02 Rothmans Benson & Hedges Smoking apparatus-l
CN100512689C (en) * 2006-09-28 2009-07-15 江南大学 Additive for lowering tar and free radical content in cigarette smoke and its adding method
CN108142992B (en) * 2017-12-29 2020-06-19 云南恩典科技产业发展有限公司 Phase-change composite material simulating bead blasting function and production method and application thereof
WO2021245601A1 (en) * 2020-06-04 2021-12-09 R. J. Reynolds Tobacco Company Paper sheet filter element for a smoking article, and associated method

Also Published As

Publication number Publication date
NO128937B (en) 1974-02-04
FI51649C (en) 1977-03-10
GB1319862A (en) 1973-06-13
FI51649B (en) 1976-11-30
AU452247B2 (en) 1974-08-29
NL7110035A (en) 1972-01-25
ZA714381B (en) 1972-03-29
CA942611A (en) 1974-02-26
AU3111871A (en) 1973-01-18
DE2135112A1 (en) 1972-01-27
BE770421A (en) 1971-12-01
SE370612B (en) 1974-10-28
DE2135112B2 (en) 1973-04-05
DE2135112C3 (en) 1973-10-31

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Legal Events

Date Code Title Description
PL Patent ceased