Main > TEXTILES > Fibers > Elastomer Fiber. > Spandex/Elastane PolyUrethane Fiber > Co.: USA. I (Producer/Patents) > Patent > Claims Etc > Claim 1 PolyUrethaneUrea Polymer: > Prodt. of a) PolyEther Glycol Selec > t: HomoPolymer of THF & CoPolymer > of THF & 3-Me-THF, (b) 1,1-Methylen > eBis(4-IsocyanatoBenzene) & (c)

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eBis(4-IsocyanatoBenzene) & (c)'s subsections
DiAmine Chain Extenders, WHEREIN

eBis(4-IsocyanatoBenzene) & (c)'s products
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