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:
May. 18, 1976
Filed:
Apr. 24, 1975
Applicant:
Inventors:
Eiji Sato, Zushi, JA;
Akira Yanai, Kamakura, JA;
Assignee:
Toray Industries, Inc., Tokyo, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12B / ;
U.S. Cl.
CPC ...
195 30 ;
Abstract
Dextro or d-tartaric acid is prepared by microbial conversion of cis-epoxysuccinic acid which is subjected to asymmetrical hydrolysis by the catalytic action of a microorganism taken from the group consisting of the genera Achromobacter and Alcaligenes in which cis-epoxysuccinic acid in an aqueous solution is brought into contact with the enzyme d-tartrate epoxidase.