Patent · US Expired

Crosslinked polyetherimide ester polymers

US4740563A · kind A · utility

10Cited by
6References
31Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 2, 1986
Grant dateApr 26, 1988
Priority date
Expiry dateDec 2, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G73/16
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A crosslinked polyetherimide ester polymer comprised of the reaction products of: PA1 (i) at least one diol; PA1 (ii) at least one dicarboxylic acid or an ester forming derivative thereof; PA1 (iii) a set of reactants selected from PA2 (a) (1) at least one high molecular weight poly(oxy alkylene)diamine, and (2) at least one tricarboxylic acid or its derivative, or PA2 (b) at least one high molecular weight polyoxylene diimide diacid; and PA1 (iv) a crosslinking effective amount of at least one crosslinking agent.

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