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Section:	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).DiAmine Chain Extenders, WHEREIN.One DiAmine is 1,3-DiAminoPentane.(35-90%) & Bal.: EthyleneDiAmine..Claim 2 Polymeric Glycol is.HomoPolyEther of THF. Claim 3.Polymeric Glycol is CoPolyEther of.THF & 3-Me-THF (4-20%). Claim 5:.Spandex Spun from PolyUrethaneUrea.Polymer Cl. 1. Claim 6 PolyUrethane.Polymer: Prodt. of a) PolyEster.Glycol Selected: CoPolyEster of.Ethylene Glycol and Butylene Glycol.with Adipic Acid & PolyEster of.2,2-DiMethyl-1,3-Propane DiOl &.1,12-DodecaneDioic Acid; b) & c).Idem. to Cl.1(b-c), b/a=1.5-3.7..Claim 7: Spandex Spun from.PolyUrethaneUrea Polymer Cl. 6..Patent Assignee
Code:	66536
Product:	USA. D
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