Patent · US Expired

Phenolic stabilization of maleic anhydride

US4062874A · kind A · utility

4Cited by
4References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 20, 1976
Grant dateDec 13, 1977
Priority date—
Expiry dateDec 20, 1996

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C51/573
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Stabilization of maleic anhydride with 4,4'-di(hydroxyphenyl)alkanes or 4-alkylphenols.

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