CH521100A - Filtre pour cigarette - Google Patents
Filtre pour cigaretteInfo
- Publication number
- CH521100A CH521100A CH969770A CH969770A CH521100A CH 521100 A CH521100 A CH 521100A CH 969770 A CH969770 A CH 969770A CH 969770 A CH969770 A CH 969770A CH 521100 A CH521100 A CH 521100A
- Authority
- CH
- Switzerland
- Prior art keywords
- cigarette filter
- cigarette
- filter
- Prior art date
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB32625/69A GB1299855A (en) | 1968-12-04 | 1968-12-04 | Improvements in or relating to tobacco smoke filters |
Publications (1)
Publication Number | Publication Date |
---|---|
CH521100A true CH521100A (fr) | 1972-04-15 |
Family
ID=10341546
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH969770A CH521100A (fr) | 1969-06-27 | 1970-06-26 | Filtre pour cigarette |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH521100A (fr) |
DE (1) | DE2018558C3 (fr) |
Families Citing this family (3)
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 |
US4388934A (en) * | 1980-06-18 | 1983-06-21 | British-American Tobacco Company Limited | Filters |
GB8429104D0 (en) * | 1984-11-17 | 1984-12-27 | British American Tobacco Co | Tobacco smoke filters |
-
1970
- 1970-04-17 DE DE2018558A patent/DE2018558C3/de not_active Expired
- 1970-06-26 CH CH969770A patent/CH521100A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2018558A1 (de) | 1971-01-28 |
DE2018558B2 (de) | 1978-05-18 |
DE2018558C3 (de) | 1978-12-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |