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:
Mar. 06, 2007
Filed:
Oct. 29, 2001
Applicants:
Hajime Ikeda, Tokyo, JP;
Yoshiyuki Yonetani, Tokyo, JP;
Shin-ichi Hashimoto, Yamaguchi, JP;
Inventors:
Assignee:
Kyowa Hakko Kogyo Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P 13/06 (2006.01); C12P 13/04 (2006.01); C12N 9/88 (2006.01); C12N 15/70 (2006.01); C12N 1/21 (2006.01); C12N 5/02 (2006.01); C07H 21/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to: a process for producing D-serine wherein a microbial cell which is modified to have a higher L-serine deaminase activity thanDH5α strain, a culture of said cell, or a processed product thereof is brought into contact with DL-serine in a DL-serine-containing medium to decompose L-serine, and the remaining D-serine is recovered from the medium; and a microorganism used for this production process. D-serine is a useful compound as a synthetic intermediate for useful medicaments such as D-cycloserine.