Patent · US Expired

Method for producing a di-(mono- or poly-)carboxyaryl ether

US4900865A · kind A · utility

5Cited by
0References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 25, 1987
Grant dateFeb 13, 1990
Priority date
Expiry dateNov 25, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C51/265
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A method is disclosed for the liquid-phase oxidation of a di- (mono- or poly-)alkylaryl ether in the presence of a catalyst comprising cobalt, manganese and bromine components to a di- (mono- or poly-)carboxyaryl ether.

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