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:
Sep. 04, 2007
Filed:
Aug. 23, 2006
Applicants:
Wouter David Van DE Graaf, Amsterdam, NL;
Jean-paul Lange, Amsterdam, NL;
Inventors:
Wouter David Van De Graaf, Amsterdam, NL;
Jean-Paul Lange, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 69/66 (2006.01); C07C 59/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for the conversion of furfuryl alcohol into levulinic acid or alkyl levulinate comprising contacting furfuryl alcohol and water or an alkyl alcohol with a porous heterogeneous catalyst comprising strong acid ion-exchange resin, wherein the catalyst has pores with an average pore diameter in the range of from 1 to 1000 nm.