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. 05, 1993
Filed:
Sep. 17, 1991
Applicant:
Inventors:
Tatsuo Hoshino, Kamakura, JP;
Peter K Matzinger, Rodersdorf, CH;
Setsuko Ojima, Fujisawa, JP;
Teruhide Sugisawa, Yokohama, JP;
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N / ; C12P / ; C12P / ;
U.S. Cl.
CPC ...
435190 ; 435118 ; 435125 ;
Abstract
The present invention concerns a novel process for the microbiological manufacture of L-ascorbic acid from L-gulono-gamma-lactone, a process for preparing the enzyme being responsible for the microbiological oxidation of L-gulono-gamma-lactone, and said enzyme as a homogeneous protein, which is a L-gulono-gamma-lactone dehydrogenase.