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. 01, 1985
Filed:
Feb. 23, 1983
Applicant:
Inventors:
Ichiro Kojima, Yokosuka, JP;
Kouji Komiya, Yokohama, JP;
Hiroshi Sato, Kawasaki, JP;
Yutaka Oguchi, Tokyo, JP;
Assignee:
Nippon Oil Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P / ; C12N / ;
U.S. Cl.
CPC ...
435 86 ; 435253 ;
Abstract
A process for producing vitamin B.sub.12 by the fermentation technique which comprises cultivating a vitamin B.sub.12 -producing microorganism belonging to the genus Propionibacterium in a culture medium containing a carbon source and a nitrogen source, and collecting vitamin B.sub.12 accumulated in the cells of the microorganism; characterized in that