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. 20, 1990
Filed:
May. 29, 1987
Applicant:
Inventors:
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C12P / ; C12N / ; C12R / ;
U.S. Cl.
CPC ...
435138 ; 435189 ; 4352521 ; 435822 ;
Abstract
The present invention relates to novel enzyme having L-sorbosone dehydrogenase activity and a process for producing the same. This L-Sorbosone dehydrogenase enzyme provided by the present invention catalyzes the oxidation of L-sorbosone to 2-keto-L-gulonic acid in the presence of nicotinamide adenine dinucleotide or nicotinamide adenine dinucleotide phosphate as a coenzyme. 2-KGA is an important precursor for the production of vitamin C.