4,4'-(1-Methylethylidene)bis[2,6-dibroMophenol]-poly[oxycarbonyloxy-1,4-phenylene(1-Methylethylidene)-1,4-phenylene] copolyMer Carbonic dichloride, polymer with 4,4-(1-methylethylidene)bis2,6-dibromophenol and 4,4-(1-methylethylidene)bisphenol BC-52 TETRABROMOBISPHENOL-APOLYCARBONATE bisphenol A/ tetrabromophenol A/ phosgene copolymer 4,4'-(1-Methylethylidene)bis[phenol]-4,4'-(1-methylethylidene)bis[2,6-dibromophenol]-poly[oxycarbonyloxy-1,4-phenylene(1-methylethylidene)-1,4-phenylene] copolymer Bisphenol A-phosgene-tetrabromobisphenol A copolymer carbonyl dichloride,2,6-dibromo-4-[2-(3,5-dibromo-4-hydroxyphenyl)pro