Patent · US Expired

Thermosetting mixtures which are stable on storage from polyimide and .beta .

US4089845A · kind A · utility

7Cited by
0References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 19, 1975
Grant dateMay 16, 1978
Priority date
Expiry dateJun 19, 1995

Classification

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

Abstract

Mixtures which can be cured to give moulded materials having technically valuable mechanical and dielectric properties, characterized that they contain PA1 (a) polyimides of maleic acid or citraconic acid, PA1 (b) derivatives of .beta.-amino-crotonic acid, and optionally PA1 (c) polyamines.

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