Patent · US Expired

Process for preparing carboxylic acids

US5998660A · kind A · utility

1Cited by
7References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 23, 1997
Grant dateDec 7, 1999
Priority date
Expiry dateDec 23, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/582
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

This invention relates to a process for preparing carboxylic acids by oxidizing an aldehyde with a peracid in the presence of an amine and/or amine N-oxide catalyst selected from the group consisting of a substituted or unsubstituted alkyl amine, alkyl amine N-oxide, aromatic amine, aromatic amine N-oxide, heterocyclic amine, heterocyclic amine N-oxide and mixtures thereof, to produce the carboxylic acid. Such carboxylic acids have utility for example as chemical intermediates.

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