Synonyms: Ethanol, 2,2-oxybis-, polymer with 1,3-diisocyanatomethylbenzene and .alpha.-hydro-.omega.-hydroxypoly(oxy-1,4-butanediyl);2,2'-Oxybisethanol polymer with 1,3-diisocyanatomethylbenzene and α-hydro-ω-hydroxypoly(oxy-1,4-butanediyl);Ethanol, 2,2'-oxybis-, polymer with 1,3-diisocyanatomethylbenzene and α-hydro-ω-hydroxypoly( oxy-1,4-butanediyl)