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:
Oct. 19, 1993
Filed:
Apr. 25, 1991
Applicant:
Inventors:
Josef Kretschmann, Langenfeld, DE;
Franz-Josef Carduck, Haan, DE;
Wolf-Dieter Deckwer, Oldenburg, DE;
Carmen Tag, Brunswick, DE;
Hanno Biebl, Wolfenbuettel, DE;
Assignees:
Henkel Kommanditgesellschaft auf Aktien, Duesseldorf, DE;
Gesellschaft fuer Biotechnologische Forschung mbH, Brunswick, DE;
Primary Examiner:
Int. Cl.
CPC ...
C12P / ; C12R / ;
U.S. Cl.
CPC ...
435158 ; 435842 ;
Abstract
A process for the transformation of glycerol into 1,3-propanediol by microorganisms comprising fermenting the microorganisms in media having a glycerol content of from about 5% to about 20% by weight under standard anaerobic fermentation conditions and recovering the 1,3-propanediol. The microorganisms according to the invention do not suffer catabolic repression by the large amount of 1,3-propanediol produced by the process.