Title:
Non-woven sheet of synthetic organic polymeric filaments and method of preparing same
United States Patent 3276944
Inventors:
Richard, Levy Martin
Publication Date:
10/04/1966
Other Classes:
428/461, 442/411, 428/483, 428/458, 156/308.600, 428/516, 442/395
International Classes:
B32B27/00; D04H1/54; D04H3/16
US Patent References:
| 3106501 | Process for manufacturing filters | | | |
| 3148101 | Process for making non-woven batt | | | |