Title:
Method for treatment of film-fibril sheets
United States Patent 3406033
Inventors:
Frederick, Reitz Charles
Publication Date:
10/15/1968
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:
| 3154462 | Non-woven fabric and process of making same | | | |