Patent · US Expired

Process for producing L-tryptophan by fermentation

US4560652A · kind A · utility

2Cited by
5References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 24, 1982
Grant dateDec 24, 1985
Priority date
Expiry dateNov 24, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S435/839
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

A process for economically producing L-tryptophan which involves culturing aerobically in a culture medium a mutant of the genus Bacillus which is resistant to azaserine and a tryptophan analogue and recovering the L-tryptophan produced which accumulates in the culture medium.

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