Main > TEXTILES > Fibers > Elastomer Fiber. > Spandex/Elastane PolyUrethane Fiber > Co.: USA. I (Producer/Patents) > Patent > Claims Etc > Claim 1 Spandex PolyUrethaneUrea > (A) CoPoly(Alkylene Ether) Glycol > Select:

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Poly(Tetramethylene-Co-Ethylene Eth

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