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. 25, 2014
Filed:
Apr. 06, 2010
Applicants:
Keith W. Hutchenson, Lincoln University, PA (US);
Sourav Kumar Sengupta, Wilmington, DE (US);
Inventors:
Keith W. Hutchenson, Lincoln University, PA (US);
Sourav Kumar Sengupta, Wilmington, DE (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process is provided for the synthesis of tetrahydrofuran and related compounds by hydrogenation of furan and derivatives, using a sponge nickel catalyst that has been promoted with iron and chromium.