Title:
Process for preparing helically crimped composite filaments
United States Patent 3118011

Inventors:
Leonard, Breen Alvin
Publication Date:
01/14/1964
View Patent Images:
Assignee:
Pont DU.
Primary Class:
Other Classes:
264/DIG.026, 264/172.160, 264/210.800, 264/172.140, 264/172.170, 264/172.150, 264/172.180, 264/172.110, 264/230, 264/289.600
International Classes:
D01F8/04
US Patent References:
2615784Polyethylene terephthalate monofils drawn and heat set for use as bristles
Foreign References:
AU198876B
DE744112C
FR837555A