FR2199639A5 - Filter for tar removal from tobacco smoke - comprising asbestos fibres impregnated with sodium chloride - Google Patents
Filter for tar removal from tobacco smoke - comprising asbestos fibres impregnated with sodium chlorideInfo
- Publication number
- FR2199639A5 FR2199639A5 FR7329755A FR7329755A FR2199639A5 FR 2199639 A5 FR2199639 A5 FR 2199639A5 FR 7329755 A FR7329755 A FR 7329755A FR 7329755 A FR7329755 A FR 7329755A FR 2199639 A5 FR2199639 A5 FR 2199639A5
- Authority
- FR
- France
- Prior art keywords
- filter
- asbestos fibres
- sodium chloride
- asbestos
- fibres
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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
- A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
- A24D3/166—Silicic acid or silicates
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Filtering Materials (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT6993472A IT968344B (it) | 1972-09-16 | 1972-09-16 | Filtro atto a trattenere e conden sare le sostanze catramose conte nute nel fumo del tabacco |
IT6701973A IT1048403B (it) | 1973-01-08 | 1973-01-08 | Filtro composito atto a trattenere e a condensare le sostanze catra mose contenute nel fumo del tabacco |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2199639A5 true FR2199639A5 (en) | 1974-04-12 |
Family
ID=26329691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7329755A Expired FR2199639A5 (en) | 1972-09-16 | 1973-08-14 | Filter for tar removal from tobacco smoke - comprising asbestos fibres impregnated with sodium chloride |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2199639A5 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998006282A1 (fr) * | 1996-08-14 | 1998-02-19 | Michael Patrick Gray | Dispositifs de protection contre la fumee |
-
1973
- 1973-08-14 FR FR7329755A patent/FR2199639A5/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998006282A1 (fr) * | 1996-08-14 | 1998-02-19 | Michael Patrick Gray | Dispositifs de protection contre la fumee |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |