Title:
Method for treatment of film-fibril sheets
United States Patent 3406033

Inventors:
Frederick, Reitz Charles
Publication Date:
10/15/1968
View Patent Images:
Assignee:
Pont DU.
Primary Class:
Other Classes:
427/370, 26/71, 26/1, 427/393.500, 427/389.900, 28/100, 26/51
International Classes:
D04H3/16
US Patent References:
3154462Non-woven fabric and process of making same




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