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:
Feb. 22, 2000
Filed:
May. 14, 1998
Applicant:
Inventors:
Naoki Kawada, Ibaraki, JP;
Rika Kinase, Chiba, JP;
Assignee:
Daicel Chemical Industries, Ltd., Sakai, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P / ; C12N / ;
U.S. Cl.
CPC ...
435158 ; 435171 ; 435280 ;
Abstract
Optically active 1,2,4-butanetriol of high optical purity can be produced economically and simply using a microorganism capable of increasing the content of (S)-1,2,4-butanetriol or (R)-1,2,4-butanetriol by acting on a mixture of enantiomers of 1,2,4-butanetriol.