Title:
Nonchanneling tobacco smoke filament filter
United States Patent 3025861
US Patent References:
/0856030.html
- - 0856030

Method for forming films and film coatings
- - 2175125

Method of making filter units
- - 2476582

Parallel glass fiber unit
- - 2484003

Filter cartridge
- - 2688380


Inventors:
Cobb Jr., Phara Lee
Publication Date:
03/20/1962
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Assignee:
EASTMAN KODAK CO
Primary Class:
131/343
Other Classes:
131/200, 131/361
International Classes:
A24D3/04; A24D3/00
US Patent References:
2813051Method of producing an absorbent element for filters
2881769Fibrous cigarette filters
2905184Filter for tobacco smoke
2916038Tobacco smoke filter
Foreign References:
AU121414B