1,2,4,5-Benzenetetracarboxylic dianhydride-2,2-bis[4-(4-aminophenoxy)phenyl]propane copolymer 1H,3H-Benzo[1,2-c:4,5-c′]difuran-1,3,5,7-tetrone, polymer with 4,4′-[(1-methylethylidene)bis(4,1-phenyleneoxy)]bis[benzenamine] 2,2-Bis(4-aminophenoxyphenyl)propane-pyromellitic dianhydride copolymer 2,2-Bis[4-(4-aminophenoxy)phenyl]propane-pyromellitic acid dianhydride copolymer 2,2-Bis[4-(4-aminophenoxy)phenyl]propane-Pyromellitic anhydride copolymer 2,2-Bis[4-(4-aminophenoxy)phenyl]propane-pyromellitic dianhydride copolymer 2,2-Bis[4-(p-aminophenoxy)phenyl]propane-pyromellitic anhydride copolymer 2,2-Bis[4-(p-aminophenoxy)phenyl]propane-pyromellitic dianhydride copolymer 2,2-Bis[4,4′-(4-aminophenoxy)phenyl] propane-pyromellitic dianhydride copolymer 2,2-Bis[4′-(4′′-aminophenoxy)phenyl]propane-pyromellitic dianhydride copolymer 2,2′-Bis[4-(4-aminophenoxy)phenyl]propane-pyromellitic anhydride copolymer 2,2′-Bis[4-(4-aminophenoxy)phenyl]propane-pyromellitic dianhydride copolymer 2,2′-Bis[p-(4-aminophenoxy)phenyl]propane-pyromellitic dianhydride copolymer BAPP-PMDA copolymer Benzenamine, 4,4′-[(1-methylethylidene)bis(4,1-phenyleneoxy)]bis-, polymer with 1H,3H-benzo[1,2-c:4,5-c′]difuran-1,3,5,7-tetrone Bisphenol A bis(4-aminophenyl) ether-pyromellitic dianhydride copolymer Pyromellitic dianhydride-2,2-bis[4-(4-aminophenoxy)phenylpropane] copolymer Pyromellitic dianhydride-2,2′-bis[4-(4-aminophenoxy)phenyl]propane copolymer