Patent · US Expired

Method for producing 5-t-butylisophthalic acid

US4827026A · kind A · utility

8Cited by
1References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 24, 1987
Grant dateMay 2, 1989
Priority date
Expiry dateNov 24, 2007

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J2531/845
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method is disclosed for producing purified 5-t-butylisophthalic acid by the liquid-phase oxidation of 5-t-butyl-m-xylene in a solvent and in the presence of a catalyst comprising cobalt, manganese and bromine components.

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