ZA716418B - Improvements relating to tobacco smoke filter material and filters - Google Patents
Improvements relating to tobacco smoke filter material and filtersInfo
- Publication number
- ZA716418B ZA716418B ZA716418A ZA716418A ZA716418B ZA 716418 B ZA716418 B ZA 716418B ZA 716418 A ZA716418 A ZA 716418A ZA 716418 A ZA716418 A ZA 716418A ZA 716418 B ZA716418 B ZA 716418B
- Authority
- ZA
- South Africa
- Prior art keywords
- filters
- filter material
- tobacco smoke
- improvements relating
- smoke 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
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/12—Use of materials for tobacco smoke filters of ion exchange materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7577270A | 1970-09-25 | 1970-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA716418B true ZA716418B (en) | 1972-06-28 |
Family
ID=22127886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA716418A ZA716418B (en) | 1970-09-25 | 1971-09-24 | Improvements relating to tobacco smoke filter material and filters |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3716500A (da) |
| AU (1) | AU446726B2 (da) |
| BE (1) | BE773076A (da) |
| BR (1) | BR7106055D0 (da) |
| CA (1) | CA945451A (da) |
| CH (1) | CH544515A (da) |
| DK (1) | DK130862B (da) |
| FI (1) | FI51892C (da) |
| GB (1) | GB1315068A (da) |
| NL (1) | NL168696C (da) |
| ZA (1) | ZA716418B (da) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030066539A1 (en) * | 2001-08-01 | 2003-04-10 | Figlar James N. | Cigarette Filter |
| US6779529B2 (en) * | 2001-08-01 | 2004-08-24 | Brown & Williamson Tobacco Corporation | Cigarette filter |
| CN103908954A (zh) * | 2014-03-31 | 2014-07-09 | 河南中烟工业有限责任公司 | 一种降低烟气中氢氰酸释放量的树脂材料及其制备方法 |
-
1970
- 1970-09-25 US US00075772A patent/US3716500A/en not_active Expired - Lifetime
-
1971
- 1971-07-30 CA CA119,546A patent/CA945451A/en not_active Expired
- 1971-08-24 GB GB3968971A patent/GB1315068A/en not_active Expired
- 1971-09-15 BR BR6055/71A patent/BR7106055D0/pt unknown
- 1971-09-20 FI FI712619A patent/FI51892C/fi active
- 1971-09-20 CH CH1371971A patent/CH544515A/fr not_active IP Right Cessation
- 1971-09-23 NL NLAANVRAGE7113121,A patent/NL168696C/xx not_active IP Right Cessation
- 1971-09-23 AU AU33832/71A patent/AU446726B2/en not_active Expired
- 1971-09-24 ZA ZA716418A patent/ZA716418B/xx unknown
- 1971-09-24 DK DK466871AA patent/DK130862B/da not_active IP Right Cessation
- 1971-09-24 BE BE773076A patent/BE773076A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CH544515A (fr) | 1973-11-30 |
| DK130862B (da) | 1975-04-28 |
| US3716500A (en) | 1973-02-13 |
| DE2148036B2 (de) | 1976-04-01 |
| NL168696B (nl) | 1981-12-16 |
| NL168696C (nl) | 1982-05-17 |
| DE2148036A1 (de) | 1972-03-30 |
| BR7106055D0 (pt) | 1973-04-12 |
| FI51892C (fi) | 1977-05-10 |
| AU446726B2 (en) | 1974-03-28 |
| CA945451A (en) | 1974-04-16 |
| DK130862C (da) | 1975-09-29 |
| GB1315068A (en) | 1973-04-26 |
| AU3383271A (en) | 1973-03-29 |
| BE773076A (fr) | 1972-03-24 |
| FI51892B (da) | 1977-01-31 |
| NL7113121A (da) | 1972-03-28 |
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