Title:
Process for preparing spandex filaments
United States Patent 3111368
Inventors:
Romano, John E.
Publication Date:
11/19/1963
Export Citation:
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Assignee:
Pont DU.
Primary Class:
264/205
Other Classes:
425/72.2
International Classes:
D01D5/04; D01F6/72
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US Patent References:
2929801Elastic amide/urethane/ether copolymers and process for making the same
2615198Spinning apparatus and method
1942540Apparatus for the production of artificial filaments or threads