The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 18, 2017
Filed:
Jul. 02, 2012
Applicants:
Mickel Leonardus August Jansen, Echt, NL;
Joseph Johannes Heijen, Echt, NL;
René Verwaal, Echt, NL;
Inventors:
Assignee:
DSM IP ASSETS B.V., Heerlen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P 7/46 (2006.01); C12P 7/40 (2006.01); C07C 55/10 (2006.01); C08G 63/16 (2006.01); C12P 7/44 (2006.01); C12N 1/18 (2006.01);
U.S. Cl.
CPC ...
C12P 7/44 (2013.01); C12N 1/18 (2013.01); C12P 7/46 (2013.01);
Abstract
The present invention relates to a process for producing a dicarboxylic acid comprising fermenting a fungal cell in a vessel comprising a suitable fermentation medium, comprising adding a gas flow which comprises 20 to 35 v/v % of oxygen and less than 0.1 v/v % of carbon dioxide to the fermentation medium, and maintaining an average partial carbon dioxide pressure of at least about 0.35 bar in the fermentation medium, and producing the dicarboxylic acid.