Patent · US Expired

Microbiological process for the production of hydroxylated pyrazine derivatives

US5173412A · kind A · utility

20Cited by

4References

7Claims

0Family size

Assignee

LONZA LTD · CH

Inventors

Andreas Kiener · Visp, CH
Klaus Heinzmann · Visperterminen, CH
Michael Bokel · Visp, CH

Key dates

Filing date	Nov 6, 1991
Grant date	Dec 22, 1992
Priority date	—
Expiry date	Nov 6, 2011

Classification

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

Abstract

Microorganisms, which are capable of growing with pyrazine as the sole carbon, nitrogen and energy source. These microorganisms hydroxylate pyrazine derivatives of general formula: ##STR1## to hydroxylated pyrazine derivatives of general formula: ##STR2## and the latter are accumulated in the growth medium.

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