Title:
Polyolefin tobacco smoke filters
United States Patent 2966157
US Patent References:
Method of making filter units
- - 2476582

Parallel glass fiber unit
- - 2484003

Polyethylene air filter
- - 2612966

Filter cartridge
- - 2688380

Method of making a filter element
- - 2707308


Inventors:
Touey, George P.
Mumpower, Robert C.
Publication Date:
12/27/1960
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Assignee:
EASTMAN KODAK CO
Primary Class:
131/332
Other Classes:
131/331
International Classes:
A24D3/08; B01D39/16; A24D3/00
US Patent References:
2761798Filter for tobacco smoke
2765515Method of making a filter for tobacco smoke
2774354Chlorophyl impregnated filter means for tobacco products
2774680Process for making aerosol filters
2775022Siliceous strand
2780228Filters for tobacco smoke comprising cellulose esters and ethers
2789563Filter elements
2805465Composite yarns and fabrics
2813051Method of producing an absorbent element for filters
2904050Tobacco smoke filtering elements
Foreign References:
AU121414B
GB749340A
FR1101035A