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. 09, 2001
Filed:
Sep. 09, 1997
Applicant:
Inventors:
Guy Fleche, Hazebrouck, FR;
Rodolphe Tamion, Allouagne, FR;
Assignee:
Roquette Freres, Lestrem, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H 1/00 ;
U.S. Cl.
CPC ...
C07H 1/00 ;
Abstract
The invention relates to a process for the manufacture of D-erythrose, characterized in that an aqueous solution of a salt of gluconic acid is brought into contact with hydrogen peroxide in the presence of a salt of a metal selected from the group consisting of cobalt, nickel and ruthenium. It also relates to a process for the manufacture of erythritol by hydrogenation of D-erythrose thus obtained.