Fibrous tobacco smoke filters
United States Patent 2908280
US Patent References:
Tobacco
- - 1954109

Piston
- - 1961886

Method of and substance for treating tobacco smoke
- - 2108860

Cigarette tip
- - 2171770

Tobacco smoke filtering
- - 2228383


Inventors:
Touey, George P.
Publication Date:
10/13/1959
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Assignee:
EASTMAN KODAK CO
Primary Class:
131/342
Other Classes:
131/345
International Classes:
A24D3/14; A24D3/00
US Patent References:
2355822Filter medium
2476582Method of making filter units
2483406Process and apparatus for producing fibrous materials
2688380Filter cartridge
2707308Method of making a filter element
2780228Filters for tobacco smoke comprising cellulose esters and ethers
2789563Filter elements
2805671Aerosol filters
Foreign References:
AU121414B
CH243838A
CH264287A
GB395918A
GB538529A
GB665278A
FR813324A
DE838419C