Synonyms: . alpha.-Olefins (petroleum), maleimide graft copolymer;.alpha.-Olefins(petroleum),maleimide graft copolymer;Alkenes, C>10 .alpha.-, polymers with maleic anhydride, reaction products with ammonium hydroxide;alkenes, c>10 alpha-, polymers with maleic anhydride, reaction products with am;alkenes, c>10 alpha-, polymers with maleic anhydride,reaction products with ammonium hydroxide;Alkenes,C>10 .alpha.-,polymers with maleic anhydride,reaction products with ammonium hydroxide;monium hydroxide;Alkenes, C$