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