Tobacco smoke filter
United States Patent 2916038

Inventors:
Worth, Wade
Publication Date:
12/08/1959
View Patent Images:
Assignee:
AMERICAN VISCOSE CORP
Primary Class:
Other Classes:
131/332, 55/DIG.039, 131/340, 55/528, 131/341, 96/99, 131/331, 156/296, 96/65
International Classes:
A24D3/02; A24D3/08; A24D3/00
US Patent References:
2355822Filter medium
2411660Method of making filter cartridges, abrasive sheets, scouring pads, and the like
2459804Shaped felted structures
2464301Textile fibrous product
2476582Method of making filter units
2483406Process and apparatus for producing fibrous materials
2502545Cigarette filter tip
2520124Rock wool mass
2688380Filter cartridge
Foreign References:
AU121414B
GB292479A