Patent · US Expired

Process for biological production of organic acids

US5135858A · kind A · utility

19Cited by
4References
15Claims
0Family size

Assignees

Inventors

Key dates

Filing dateFeb 22, 1991
Grant dateAug 4, 1992
Priority date
Expiry dateFeb 22, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S435/822
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

An improved biological conversion of a nitrile such as acrylonitrile or a cyanopyridine into the corresponding carboxylic acid such as acrylic acid or a nicotinic acid by the action upon the nitrile of a nitrilase enzyme, in which the improvement resides in the use as the source of the enzyme of a microorganism of Rhodococcus, such as Rh. rhodochrous J-1, FERM BP-1478, which is cultured in the presence of a lactam compound.

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