Patent · US Expired

Novel polyphenol and thermosetting plastics prepared therefrom

US4987264A · kind A · utility

4Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 21, 1989
Grant dateJan 22, 1991
Priority date
Expiry dateApr 21, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2603/68
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Novel phenol compounds of the general formula ##STR1## where X is a sulfone group or contains a sulfone group, are suitable for the preparation of epoxy resins, vinyl ester resins, bismaleimide resins and cyanate resins.

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