Patent · US Expired

Thermoplastic polyester resin composition and molded articles produced therefrom

US4965302A · kind A · utility

7Cited by
6References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 23, 1989
Grant dateOct 23, 1990
Priority date
Expiry dateMar 23, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K5/3417
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Disclosed herein is a thermoplastic polyester molded article comprising a thermoplastic polyester and at least one of the specified diimide compounds, the latter being blended in an amount effective for ultraviolet screening. The polyester molded article and a composition for producing it according to this invention is capable of screening ultraviolet rays not only in the short wavelength region but also in the long wavelength region and has uniform dispersion stability and thermal stability. The molded articles of the present invention are free of undesired coloration and deposition of extraneous matter.

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