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:
Dec. 14, 1993
Filed:
Jan. 15, 1992
Applicant:
Inventors:
Kiyoshi Nakayama, Kanagawa, JP;
Yukie Kobayashi, Kanagawa, JP;
Assignee:
Bior Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ; C12N / ;
U.S. Cl.
CPC ...
435145 ; 435232 ; 435822 ; 435911 ;
Abstract
This invention relates to a method for producing (R)-malic acid comprising contacting, in a reaction medium, maleic acid with (A) a microbial maleate hydratase capable of hydrating maleic acid to form (R)-malic acid or (B) a microorganism containing the maleate hydratase, microbial maleate hydratase and a method for producing same. In accordance with the present invention (R)-malic acid with high optical purity is supplied efficiently and economically.