Patent · US Expired

Epoxidized polyesters and method of production thereof

US5244985A · kind A · utility

5Cited by
2References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 25, 1992
Grant dateSep 14, 1993
Priority date
Expiry dateMar 25, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G63/918
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Disclosed are an epoxidized polyester which comprises, per molecule, at least three bifunctional groups each having the general formula ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and each is a hydrogen atom or an alkyl group containing 1 to 5 carbon atoms, or R.sup.1 and R.sup.2 taken together represent an endomethylene group, and which has a number average molecular weight of about 1,000 to about 10,000, as well as processes for preparing the epoxidized polyester.

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