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:
Jul. 19, 2011
Filed:
Apr. 02, 2008
Applicants:
Aiguo Liu, Louisville, KY (US);
Christopher C. Luckett, Louisville, KY (US);
Inventors:
Aiguo Liu, Louisville, KY (US);
Christopher C. Luckett, Louisville, KY (US);
Assignee:
Sud-Chemie Inc., Louisville, KY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 493/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for converting aqueous sorbitol to xylitol and isosorbide in the presence of an acid catalyst, and in the absence of an enzyme or of a hydrogenating catalyst, is disclosed. In the process, a sorbitol solution is reacted with an acid zeolite to produce xylitol and isosorbide.