Patent · US Active

Method for the preparation of 2-keto carboxylic acid

US9879289B2 · kind B2 · utility

1Cited by

2References

20Claims

0Family size

Assignee

EVONIK DEGUSSA GMBH · DE

Inventors

Andreas Karau · Hamburg, DE
Nicolas Morin · Toulouse, FR
Robert Gerstmeir · Werther, DE

Key dates

Filing date	May 10, 2010
Grant date	Jan 30, 2018
Priority date	—
Expiry date	Aug 3, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC12P7/40
WIPO fieldBiotechnology
WIPO sectorChemistry

Abstract

The present invention refers to a method for the preparation of 2-keto carboxylic acid having the general formula R1—CO—COOH, wherein R1 is a branched alkyl group having 3 to 7 carbon atoms, or a salt thereof, comprising a fermentation step wherein a microorganism is grown in a culture medium in order to provide a culture broth containing 2-keto carboxylic acid or a salt thereof.

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