ZA766954B - Improvements relating to filters for smoking articles - Google Patents
Improvements relating to filters for smoking articlesInfo
- Publication number
- ZA766954B ZA766954B ZA766954A ZA766954A ZA766954B ZA 766954 B ZA766954 B ZA 766954B ZA 766954 A ZA766954 A ZA 766954A ZA 766954 A ZA766954 A ZA 766954A ZA 766954 B ZA766954 B ZA 766954B
- Authority
- ZA
- South Africa
- Prior art keywords
- filters
- smoking articles
- improvements relating
- relating
- smoking
- 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
- A24D3/043—Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB51922/75A GB1533568A (en) | 1975-12-18 | 1975-12-18 | Filters for smoking articles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA766954B true ZA766954B (en) | 1977-10-26 |
Family
ID=10461941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA766954A ZA766954B (en) | 1975-12-18 | 1976-11-22 | Improvements relating to filters for smoking articles |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5279099A (de) |
| AU (1) | AU503990B2 (de) |
| BE (1) | BE849482A (de) |
| BR (1) | BR7608510A (de) |
| CA (1) | CA1045496A (de) |
| CH (1) | CH604577A5 (de) |
| DE (1) | DE2654698A1 (de) |
| DK (1) | DK568676A (de) |
| FI (1) | FI63167C (de) |
| GB (1) | GB1533568A (de) |
| NL (1) | NL7613432A (de) |
| ZA (1) | ZA766954B (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4174719A (en) * | 1977-06-29 | 1979-11-20 | Olin Corporation | Microperforated filter tip cigarette |
| US4232574A (en) * | 1977-08-19 | 1980-11-11 | Liggett Group Inc. | Apparatus and method for providing a cigarette filter with an aeration groove |
| US4294265A (en) * | 1980-04-04 | 1981-10-13 | Philip Morris Incorporated | Filter cigarette with inlet vent zones |
| GB9214267D0 (en) * | 1992-07-04 | 1992-08-19 | British American Tobacco Co | Improvements relating to smoking articles |
| GB9321536D0 (en) * | 1993-10-19 | 1993-12-08 | British American Tobacco Co | Smoking articles |
| BR122013013917A2 (pt) * | 2010-10-06 | 2019-08-06 | Acetate International Llc | Filtros de fumaça para dispositivos de fumar com massas porosas tendo uma carga de partícula de carbono e uma queda de pressão encapsulada |
-
1975
- 1975-12-18 GB GB51922/75A patent/GB1533568A/en not_active Expired
-
1976
- 1976-11-22 ZA ZA766954A patent/ZA766954B/xx unknown
- 1976-11-25 CA CA267,065A patent/CA1045496A/en not_active Expired
- 1976-11-25 AU AU20014/76A patent/AU503990B2/en not_active Expired
- 1976-12-01 FI FI763453A patent/FI63167C/fi not_active IP Right Cessation
- 1976-12-02 DE DE19762654698 patent/DE2654698A1/de not_active Withdrawn
- 1976-12-02 NL NL7613432A patent/NL7613432A/xx not_active Application Discontinuation
- 1976-12-06 CH CH1531676A patent/CH604577A5/xx not_active IP Right Cessation
- 1976-12-13 JP JP51150244A patent/JPS5279099A/ja active Pending
- 1976-12-16 BE BE173327A patent/BE849482A/xx unknown
- 1976-12-17 DK DK568676A patent/DK568676A/da not_active Application Discontinuation
- 1976-12-17 BR BR7608510A patent/BR7608510A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI763453A (de) | 1977-06-19 |
| AU2001476A (en) | 1978-06-01 |
| AU503990B2 (en) | 1979-09-27 |
| CH604577A5 (de) | 1978-09-15 |
| JPS5279099A (en) | 1977-07-02 |
| FI63167C (fi) | 1983-05-10 |
| DE2654698A1 (de) | 1977-06-30 |
| FI63167B (fi) | 1983-01-31 |
| BE849482A (fr) | 1977-04-15 |
| BR7608510A (pt) | 1977-12-20 |
| DK568676A (da) | 1977-06-19 |
| CA1045496A (en) | 1979-01-02 |
| GB1533568A (en) | 1978-11-29 |
| NL7613432A (nl) | 1977-06-21 |
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