1,4-Benzenedicarboxylic acid, polymer with carbonic acid and 4,4′-(1-methylethylidene)bis[phenol] Apec KL 1-9308 Bisphenol A-carbonic acid-terephthalic acid copolymer Carbonic acid, polymer with 1,4-benzenedicarboxylic acid and 4,4′-(1-methylethylidene)bis[phenol] KL 1-9308 Phenol, 4,4′-(1-methylethylidene)bis-, polymer with 1,4-benzenedicarboxylic acid and carbonic acid Terephthalic acid, polyester with carbonic acid and 4,4′-isopropylidenediphenol