ZA714381B - Improvements relating to tobacco-smoke filters - Google Patents

Improvements relating to tobacco-smoke filters

Info

Publication number
ZA714381B
ZA714381B ZA714381A ZA714381A ZA714381B ZA 714381 B ZA714381 B ZA 714381B ZA 714381 A ZA714381 A ZA 714381A ZA 714381 A ZA714381 A ZA 714381A ZA 714381 B ZA714381 B ZA 714381B
Authority
ZA
South Africa
Prior art keywords
tobacco
improvements relating
smoke filters
smoke
filters
Prior art date
Application number
ZA714381A
Other languages
English (en)
Inventor
H Horsewell
J Luke
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 ZA714381B publication Critical patent/ZA714381B/xx

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
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A24D3/045—Tobacco smoke filters characterised by their shape or structure with smoke acceleration means, e.g. impact-filters
ZA714381A 1970-07-23 1971-07-05 Improvements relating to tobacco-smoke filters ZA714381B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA714381B true ZA714381B (en) 1972-03-29

Family

ID=10381510

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA714381A ZA714381B (en) 1970-07-23 1971-07-05 Improvements relating to tobacco-smoke filters

Country Status (11)

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

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 (no) * 1982-04-08 1988-06-01 Filtrona Ltd Sigarettfilterelement, alternativt med et omgivende, ventilerende munnstykkemateriale.
GB9307710D0 (en) * 1993-04-14 1993-06-02 Rothmans Benson & Hedges Smoking apparatus-l
CN100512689C (zh) * 2006-09-28 2009-07-15 江南大学 一种用于降低卷烟烟气中焦油及自由基的添加剂及其添加方法
CN108142992B (zh) * 2017-12-29 2020-06-19 云南恩典科技产业发展有限公司 一种模拟爆珠功能的相变复合材料及其生产方法和应用
JP2023529352A (ja) * 2020-06-04 2023-07-10 アール・ジエイ・レイノルズ・タバコ・カンパニー 喫煙品用紙シートフィルタエレメント及び関連方法

Also Published As

Publication number Publication date
DE2135112A1 (de) 1972-01-27
DE2135112B2 (de) 1973-04-05
NL7110035A (xx) 1972-01-25
GB1319862A (en) 1973-06-13
FI51649C (fi) 1977-03-10
SE370612B (xx) 1974-10-28
BE770421A (fr) 1971-12-01
AU3111871A (en) 1973-01-18
FI51649B (xx) 1976-11-30
DE2135112C3 (de) 1973-10-31
CH540656A (fr) 1973-08-31
AU452247B2 (en) 1974-08-29
CA942611A (en) 1974-02-26
NO128937B (xx) 1974-02-04

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