Patent · US Expired

Method for producing expanded and cured polyester resin

US4327196A · kind A · utility

10Cited by
3References
18Claims
0Family size

Assignees

Inventors

Key dates

Filing dateDec 22, 1980
Grant dateApr 27, 1982
Priority date
Expiry dateDec 22, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2367/06
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Polyester resin is expanded and cured using mono-substituted sulfonyl hydrozide blowing agent, organic peroxide curative and certain metal promoters.

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