Patent · US Expired

Heat-resistant resin compositions

US4131632A · kind A · utility

12Cited by
9References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 27, 1977
Grant dateDec 26, 1978
Priority date
Expiry dateSep 27, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G73/121
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Resin compositions comprising maleimide compounds obtained by reacting maleic anhydride with mixed polyamines produced by reaction between aniline and formaldehyde; diallylbisphenol compounds; and epoxy resins. The compositions display prominent heat resistance when hardened.

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