Title:
Non-woven filamentary products and process
United States Patent 2908064
Inventors:
Lauterbach, Herbert G.
Norton, Harry M.
Publication Date:
10/13/1959
Export Citation:
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Assignee:
Pont DU.
Primary Class:
428/111
Other Classes:
28/112, 428/421, 428/475.5, 428/480, 428/532
International Classes:
D04H3/10; D04H3/08
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US Patent References:
2437689Process for making needle felts
2416390Free fall fiber
2336797Felted product
2181043Felted fabric and method of making the same