Synonyms: Poly[(1,3-dioxo-2,5-isoindolinediyl)carbonyl(1,3-dioxo-5,2-isoindolinediyl)-p-phenylenemethylene-p-phenylene](8CI); 3,3',4,4'-Benzophenonetetracarboxylic acid dimethyl estermonoanhydride-3,3',4,4'-benzophenonetetracarboxylicdianhydride-bis(4-isocyanatophenyl)methane polymer, SRU;3,3',4,4'-Benzophenonetetracarboxylic anhydride-4,4'-diaminodiphenylmethanecopolymer, SRU; 3,3',4,4'-Benzophenonetetracarboxylicdianhydride-4,4'-diaminodiphenylmethane copolymer, polyimide SRU;3,3',4,4'-Benzophenonetetracarboxylic dianhydride-4,4'-diaminodiphenylmethanecopolymer, sru; 3,3',4,4'-Benzophenonetetracarboxylicdianhydride-4,4'-diaminodiphenylmethane polymer, SRU;3,3',4,4'-Benzophenonetetracarboxylic dianhydride-4,4'-diphenylmethanediisocyanate copolymer sru; 3,3',4,4'-Benzophenonetetracarboxylicdianhydride-4,4'-methylenedianiline copolymer, SRU;3,3',4,4'-Benzophenonetetracarboxylic dianhydride-MDI copolymer, SRU;3,3',4,4'-Benzophenonetetracarboxylic dianhydride-bis(4-aminophenyl)methanepolymer, SRU;