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. 10, 2007
Filed:
Feb. 14, 2003
Applicants:
Michihiko Kataoka, Kyoto-fu, JP;
Sakayu Shimizu, Kyoto-fu, JP;
Inventors:
Michihiko Kataoka, Kyoto-fu, JP;
Sakayu Shimizu, Kyoto-fu, JP;
Assignee:
DSM IP Assets B.V., TE Heerlen, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An isolated enone reductase characterized by a molecular mass of 61300+/−5000 Da; NADPH and NADPH as co-factor; a temperature optimum of 55–60° C. at pH 7.4; a pH optimum of 4.5–8.5 and substrate specificity on ∝,β-unsatured ketones; a process for producing it from a microorganism and a process for producing levodione from ketoisophorone using such reductase.