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. 17, 1994
Filed:
Jun. 08, 1992
Applicant:
Inventors:
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C12P / ; C12P / ; C12N / ; C12R / ;
U.S. Cl.
CPC ...
435 42 ; 435138 ; 435822 ; 435823 ;
Abstract
The present invention relates to a process for producing 2-keto-L-gulonic acid by fermentative conversion of D-sorbitol in high yield. 2-Keto-L-gulonic acid is an important intermediate for the production of L-ascorbic acid into which it can be converted.