Main > TEXTILES > Fibers > Elastomer Fiber. > Spandex/Elastane PolyUrethane Fiber > Co.: Japan. D (Patents) > Patent > Claims Etc > Claim 1 PolyUrethane CoPolymer of: > (i) PolyEster PolyOl Compn. (X): > CoPolymer of PolyOl (Al) having > UV Absorbing Group &/or > Lactone-Modified PolyOl (A2),

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Lactone-Modified PolyOl (A2),'s subsections
Optionally > 1 PolyOl Comp. (A3), &

Lactone-Modified PolyOl (A2),'s products
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