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Section:	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:.a) N-Contg Compd Contg > One.BiFunctional Amine Group Selected:.Primary Amine & > One N-Contg Group.Select: Tertiary N (b) DiIsocyanate.& (c) > One Compd Select:.MonoAlkylMonoAmine Etc. Claim 3:.(a): Piperazine. Claim 4: (c):.Organic MonoIsocyanate. Claim 5:.Single Filament Size=6-33 dtex..Patent Assignee
Code:	66566
Product:	Japan. A
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