Process for preparing filamentary microtapes of labyrinthian cross section
United States Patent 3372221
Inventors:
Lefevre, Lloyd E.
Mathieson, Robert J.
Publication Date:
03/05/1968
Assignee:
DOW CHEMICAL CO
Other Classes:
28/246, 264/288.800, 264/290.700, 264/287
International Classes:
D01D5/00
US Patent References:
| 3001354 | Method and apparatus for making twisted plastic sticks | | | |
| 3077004 | Filament drawing | | | |