Patent · US Expired

Epoxy resin composition

US5141974A · kind A · utility

8Cited by
5References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 13, 1990
Grant dateAug 25, 1992
Priority date
Expiry dateJun 13, 2010

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L63/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A composition is disclosed which comprises the reaction product of a diglycidyl ether of a 4,4'-dihydroxybiphenyl and a polyhydric phenol having an average of 2.3 to 10 hydroxyl groups per molecule. The described epoxy resin is particularly useful in phenolic-cured electrical encapsulation formulations.

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