Synonyms: POLY(4 4'-METHYLENEBIS(PHENYL ISOCYANAT&;2-oxepanone,polymerwith1,4-butanediol,1,1’-methylenebis[4-isocyanatobenzene;poly(4,4'-methylenebis(phenyl isocyanate)-alt-but;Poly[4,4-methylenebis(phenyl isocyanate)-alt-1,4-butanediol/poly(ethylene glycol-co-propylene glycol/polycaprolactone];Poly[4,4μ-methylenebis(phenyl isocyanate)-alt-1,4-butanediol/poly(ethylene glycol-co-propylene glycol/polycaprolactone]