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. 10, 2013
Filed:
Apr. 07, 2011
Applicants:
Hermann Luyken, Ludwigshafen, DE;
Peter Pfab, Shaker Heights, OH (US);
Robert Baumann, Mannheim, DE;
Andreas Leitner, Linz, AT;
Tobias Aechtner, Mannheim, DE;
Inventors:
Hermann Luyken, Ludwigshafen, DE;
Peter Pfab, Shaker Heights, OH (US);
Robert Baumann, Mannheim, DE;
Andreas Leitner, Linz, AT;
Tobias Aechtner, Mannheim, DE;
Assignee:
BASF SE, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 255/07 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for isomerizing cis-2-pentenenitrile to 3-pentenenitriles, by isomerizing cis-2-pentenenitrile with amidines, tertiary amines or mixtures thereof as a catalyst at temperatures of 80 to 200° C. and a pressure of 0.01 to 50 bar.