Main > TEXTILES > Fibers > Elastomer Fiber. > Spandex/Elastane PolyUrethane Fiber > Co.: USA. I (Producer/Patents) > Patent > Claims Etc > Claim 1 PolyUrethaneUrea Polymer: > Prodt. of PolyEther Glycol Selected > HomoPolymer of THF & CoPolymer > of THF & 3-Me-THF Monomers;

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of THF & 3-Me-THF Monomers;'s subsections
1,1-MethyleneBis(4-IsocyanatoBenzen

of THF & 3-Me-THF Monomers;'s products
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