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. 03, 1998
Filed:
Dec. 05, 1995
Applicant:
Inventors:
Roland Herwig Beck, Everberg, BE;
Myriam Elseviers, Kampenhout, BE;
Sonia Marianne Coomans, Vilvoorde, BE;
Assignee:
Cerestar Holding B.V., Sas van Gent, NL;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H / ; C13K / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
536124 ; 568863 ; 568852 ;
Abstract
The present invention discloses a method of producing a pentitol from a hexaldonic acid. The hexaldonic acid is decarboxylated for example in the presence of sodium hypochlorite or hydrogen peroxide. After hydrogenation and optionally isomerisation the desired pentitol, which is obtained in high yield, can be purified. The present invention starts from gluconic acid in free or salt form or as a lactone, xylitol is the final product.