Synonyms: 2-ethanediyl)], alpha-hydro- omega -hydroxy-poly[oxy(methyl- esters with suc;2-ethanediyl)], alpha-hydro- omega-hydroxy-poly[oxy(methyl- esters with succinic anhydride polyisobutenyl derivs.;cinic anhydride polyisobutenyl derivs.;Poly[oxy(methyl-1,2-ethanediyl)], .alpha.-hydro-.omega.-hydroxy-, esters with succinic anhydride polyisobutenyl derivs.;Poly[oxy(methyl-1,2-ethanediyl)],.alpha.-hydro-.omega.-hydroxy-,esters with succinic anhydride polyisobutenyl derivs.;Polyisobutenyl succinic anhydride, reaction products with polypropylene glycol;Poly[oxy(methyl-1,2-ethanediyl)], α-hydro-ω-hydroxy-, esters with succinic anhydride polyisobutenyl derivs.