Main > TEXTILES > Fibers > Elastomer Fiber. > Spandex/Elastane PolyUrethane Fiber > Co.: Japan. A (Producer/Patents) > Patent > Claims Etc > Claim 1 PolyUrethaneUrea E. Fiber > Obtained: Incorporating Urea Compd. > (1-15%) in PolyUrethaneUrea Polymer > , Urea Compd Prepn. by Reacting:

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, Urea Compd Prepn. by Reacting:'s subsections
a) N-Contg Compd Contg > One

, Urea Compd Prepn. by Reacting:'s products
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