Synonyms: Propanol, oxybis, polymer with .alpha.-hydro-.omega.-hydroxypoly [oxy(methyl-1,2-ethanediyl)] and 1,1 -methylenebis(4-isocyanatobenzene);Propanol,oxybis,polymer with .alpha.-hydro-.omega.-hydroxypoly [oxy(methyl-1,2-ethanediyl)] and 1,1-methylenebis(4-isocyanatobenzene)