Main > TEXTILES > Fibers > Elastomer Fiber. > Spandex/Elastane PolyUrethane Fiber > Co.: USA. R (Producer/Patents) > Patent > Claims Etc > Claim 1 Spandex from PolyUrethane, > WHEREIN PolyUrethane Mfg Method: > (a) Mix Polymeric Glycol & > 1 > PolyOl with Alkoxylated Aromatic

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Functionality; (b) React (a) with

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