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:
Jul. 30, 1996
Filed:
Jun. 28, 1994
Applicant:
Inventors:
Akiko Fujiwara, Kamakura, JP;
Teruhide Sugisawa, Yokohama, JP;
Masako Shinjoh, Yokohama, JP;
Yutaka Setoguchi, Kamakura, JP;
Tatsuo Hoshino, Kamakura, JP;
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C12N / ; C12P / ;
U.S. Cl.
CPC ...
4352521 ; 435138 ; 4351721 ; 435822 ; 435170 ; 435189 ;
Abstract
A process for producing 2-keto-L-gulonic acid which comprises converting L-sorbose and/or D-sorbitol into 2-keto-L-gulonic acid with the aid of a microorganism or its cell free extract, said microorganism belonging to the species Gluconobacter oxydans capable of producing 2-keto-L-gulonic acid and having L-sorbose dehydrogenase activity. Also disclosed are specific microorganisms useful in such process.