242933 ⎘
Synthetic resins or natural rubbers -- part of the class 520 series Fiber or elastomer prepared from an isocyanate reactant
Water-soluble fiber and a method for manufacture thereof
#2Spandex of a particular composition and process for making same
#3Dyeable spandex
#4Phosphorus-containing urethane(meth)acrylate compounds and photosensitive compositions
#5Spandex compositions