Patent ID: 7495066
Filing Date: 2009-02-24
Classification: C08G

Abstract:
1. A copolycarbonate-polyester, comprising units of formula wherein at least 60 percent of the total number of R 1 groups are divalent aromatic organic radicals and the balance thereof are divalent aliphatic or alicyclic radicals; units of formula wherein T is a C 7-20 divalent alkyl aromatic radical or a C 6-20 divalent aromatic radical, and D is a divalent C 6-20 aromatic radical; and units of the formula wherein R wherein the number of R is less than 10% of the total number of R 1 groups, wherein R 2 and R 3 are each independently a halogen or a C 1-6 alkyl group, R 4 is a phenyl group, and each c is independently 0 to 4.