Patent ID: 6696543
Filing Date: 2004-02-24
Classification: C07D,C08G

Abstract:
Polyestercarbonate resin the molecular structure of which comprise units derived from dicarboxylic acids of formula (I)HOOCâ€”Tâ€”COOHâ€ƒâ€ƒ(I) wherein T represents a branched or linear, saturated or unsaturated alkyl, arylalkyl or cycloalkyl moiety of from 8 to 40 carbons, and units derived from at least one diphenol selected from the group consisting of formula (IIa) and (IIb) in which R1 to R7 each independently of the others represents hydrogen, halogen, a C1- to C12-alkyl radical, a C6- to C19-aryl radical, a C7- to C12-aralkyl radical.