Title:
Absorbent element for filters and the like
United States Patent 2812767

Inventors:
Richard, Machenry
Publication Date:
11/12/1957
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Assignee:
AMERICAN VISCOSE CORP
Primary Class:
131/341
Other Classes:
131/343, 131/200, 156/296, 131/274
International Classes:
A24D3/02; A61F13/20; A24D3/00
US Patent References:
2476582Method of making filter units
2483406Process and apparatus for producing fibrous materials
2688380Filter cartridge
2707308Method of making a filter element
2707690Method and apparatus for applying liquid materials to fibers
2708982Filter media