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. 13, 1992
Filed:
Apr. 19, 1990
Applicant:
Inventors:
Tetsuji Nakamura, Kanagawa, JP;
Ichiro Watanabe, Kanagawa, JP;
Assignee:
Nitto Chemical Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ;
U.S. Cl.
CPC ...
435158 ; 435157 ; 435280 ; 4352521 ; 435843 ;
Abstract
A process for preparing an optically active (R)-(-)-3-halo-1,2-propanediol comprising reacting an epihalohydrin with an epihalohydrin hydratase originating from a microorganism. For example, the microorganism belongs to the genus Corynebacterium or the genus Microbacterium. Epihalohydrins which can be used include epichlorohydrin and epibromohydrin. The reaction can be carried out at a temperature of from 5.degree. to 50.degree. C. and a pH of from 4 to 10.