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. 28, 1996
Filed:
May. 25, 1995
Applicant:
Inventors:
Ryoichi Katsumata, Machida, JP;
Shinichi Hashimoto, Machida, JP;
Assignee:
Kyowa Hakko Kogyo Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P / ; C12N / ;
U.S. Cl.
CPC ...
435115 ; 435106 ; 4352521 ; 43525232 ; 435840 ; 435843 ;
Abstract
There is provided a process for producing L-valine which comprises cultivating, in a medium, a microorganism which belongs to the genus Corynebacterium or Brevibacterium, which exhibits a) an ability to produce L-valine, b) resistance to L-valine in a medium containing acetic acid as a sole carbon source, and c) sensitivity to a pyruvic acid analog in a medium containing glucose as a sole carbon source, until L-valine is accumulated in the culture broth, and recovering L-valine therefrom.