Patent · US Expired

Process for preparing .alpha.-ketobutyric acid

US5155263A · kind A · utility

1Cited by
1References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 30, 1991
Grant dateOct 13, 1992
Priority date
Expiry dateSep 30, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C51/235
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for preparing .alpha.-ketobutyric acid comprising contacting 1,2-butanediol with molecular oxygen in the presence of a platinum catalyst is disclosed. The process produces .alpha.-ketobutyric acid in high yield at low cost.

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