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. 10, 2001
Filed:
Apr. 24, 2000
Applicant:
Inventors:
Alex Sergey Ionkin, Kennett Square, PA (US);
Stanislaw Bogdan Ziemecki, Wilmington, DE (US);
Theodore Augur Koch, Wilmington, DE (US);
Mark Jay Harper, Lewes, DE (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 2/340 ; C07C / ;
U.S. Cl.
CPC ...
B01J 2/340 ; C07C / ;
Abstract
Provided is a selective hydrogenation process for producing aminonitriles by contacting the corresponding dinitriles with a hydrogen-containing fluid in the presence of a hydrogenation catalyst, a solvent and a cyanide compound.