Title:
Absorbent element for filters and the like
United States Patent 2812767
Inventors:
Richard, Machenry
Publication Date:
11/12/1957
Export Citation:
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Assignee:
AMERICAN VISCOSE CORP
Primary Class:
131/341
Other Classes:
131/200, 131/274, 131/343, 156/296
International Classes:
A24D3/02; A61F13/20; A24D3/00; A61F13/20
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US Patent References:
2708982Filter media
2707690Method and apparatus for applying liquid materials to fibers
2707308Method of making a filter element
2688380Filter cartridge
2483406Process and apparatus for producing fibrous materials
2476582Method of making filter units
2459804Shaped felted structures
2357392Process for producing fibrous products
2252999Article and process for the manufacture thereof
2164702Method and apparatus for making cigarette mouthpieces
2126422Attachment for smoking devices