Main > TEXTILES > Fibers > Elastomer Fiber. > Spandex/Elastane PolyUrethane Fiber > Co.: USA. I (Producer/Patents) > Patent > Claims Etc > Claim 1 PolyUrethane Durable Fiber > Small Angle X-Ray Scattering Image > Long Period Direction Meridian= > 7-16 nm & WHEREIN Image is > Eyebrow-Shaped Four Dot Scattering > Image Long Period Direction of > Equator=13-30 nm. Claim 5: > DiPh-Methane DiIsocyanate Etc. & > DiOl: Ethylene Glycol Etc. Claim 6: > PolyOl: Poly(THF) Glycol. Claim 7: > PolyOl MW=800-3500 & PU MW= > 30,000-200,000. Claim 8 PolyOl (MW= > 800-2500)+PolyOl(MW=1600-4000)= > PolyOl Mixt. (MW=1200-2600). Claim > 9 Additive Ratio (NCO/OH)=1.7-3 & > Hard Ratio=0.65-3. Claim 10: > Tenacity>1.3 dN/tex & Elongation> > 300%. Claim 11: Dry Spun Fiber. > Claim 12: Softening Temp.=130-250C > Claim 13: Fineness<33 dtex. Claim > 14: MonoFilament. Patent Assignee
14: MonoFilament. Patent Assignee's products
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