Patent · US Expired

Polyester resin composition

US5039760A · kind A · utility

11Cited by
2References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 2, 1990
Grant dateAug 13, 1991
Priority date
Expiry dateFeb 2, 2010

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K5/353
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A polyester resin composition exhibiting improved heat-resistant flexibility including (A) a polyester copolymer which is the polycondensation reaction product of (a) an aromatic dicarboxylic acid or an ester-forming derivative thereof, (b) an aliphatic glycol, and (c) between 0.001 to 1.0 mole %, based upon component (a), of a branch-forming compound, and (B) between 0.1 to 10% by weight (based on the total weight of the composition) of a bisoxazoline compound.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.