Patent · US Expired

Process for producing hydrolysis-stable shaped structures of polyester

US4144285A · kind A · utility

6Cited by
6References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 6, 1977
Grant dateMar 13, 1979
Priority date—
Expiry dateJun 6, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G63/6856
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A process is disclosed for treating polyester material with at least one N-glycidylimide compound which results in reducing the terminal carboxyl group content of the polyester material.

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