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:
Nov. 11, 2014
Filed:
Dec. 28, 2012
E I Du Pont DE Nemours and Company, Wilmington, DE (US);
Wathudura Indika Namal de Silva, Wilmington, DE (US);
Ekaterini Korovessi, Wilmington, DE (US);
Carl Andrew Menning, Newark, DE (US);
Joseph E Murphy, Woodbury, NJ (US);
Joachim C Ritter, Wilmington, DE (US);
Sourav Kumar Sengupta, Wilmington, DE (US);
Christina S Stauffer, Wilmington, DE (US);
E I du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
Disclosed herein are processes comprising contacting isosorbide with hydrogen in the presence of a first hydrogenation catalyst to form a first product mixture comprising tetrahydrofuran-2,5-dimethanol. The processes can further comprise heating the first product mixture in the presence of hydrogen and a second hydrogenation catalyst to form a second product mixture comprising 1,6-hexanediol. The first and second hydrogenation catalysts can be the same or different.