Patent Number: 6,294,643

Title: Aromatic polyester and molded article using the same

Abstract: An aromatic polyester having the following structural units (1) to (5) wherein the amount of the structural unit (1) is 40 to 70% based on the total of the all structural units, (2)/(3) is from 0.7 to 0.95, (4)/(5) is from 1.1 to 2.4, and {(2)+(3)}/{(4)+(5)} is from 0.9 to 1.1: ##STR1## wherein Ra, Rb, RC, Rd, Re and Rf represents a lower alkyl group, lower alkoxy group, phenyl group or halogen atom, and n represents an integer from 0 to 3, is provided, and the molded article made of this polyester has excellent heat resistant and consequently is not easily deformed.

Inventors: Harada; Hiroshi (Minoo, JP), Yoshida; Yoshifumi (Toyonaka, JP)

Assignee: Sumitomo Chemical Co., Ltd.

International Classification: C08G 63/00 (20060101); C08G 63/60 (20060101); C08G 064/00 ()

Expiration Date: 09/25/2018