1,4-Benzenedicarboxylic acid, polymer with 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, dihydro-2,5-furandione and 2,2-dimethyl-1,3-propanediol 70776-92-0 Terephthalic acid, neopentyl glycol, trimellitic anhydride, succinic anhydride polymer