Patent · US Expired

Process for producing L-amino acids

US6319696A · kind A · utility

21Cited by
5References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 17, 1998
Grant dateNov 20, 2001
Priority date
Expiry dateApr 17, 2018

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC12P13/04
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

A microorganism, which has an ability to produce L-amino acid, especially L-phenylalanine, L-tryptophane, L-tyrosine, L-threonine, or L-isoleucine, in which a phosphoenolpyruvate-producing ability is enhanced, is cultivated in a medium so that the L-amino acid is produced and accumulated in the medium to collect the L-amino acid.

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