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:
May. 04, 2010
Filed:
Jan. 27, 2005
Applicants:
Michael Bartsch, Neustadt, DE;
Robert Baumann, Mannheim, DE;
Gerd Haderlein, Grünstadt, DE;
Jens Scheidel, Hirschberg, DE;
Tim Jungkamp, Kapellen, BE;
Hermann Luyken, Ludwigshafen, DE;
Inventors:
Michael Bartsch, Neustadt, DE;
Robert Baumann, Mannheim, DE;
Gerd Haderlein, Grünstadt, DE;
Jens Scheidel, Hirschberg, DE;
Tim Jungkamp, Kapellen, BE;
Hermann Luyken, Ludwigshafen, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 253/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process is described for continuously hydrocyanating 1,3-butadiene in the presence of at least one nickel(0) catalyst with chelate ligands, wherein 1,3-butadiene and hydrogen cyanide are used in a molar ratio of from 1.6:1 to 1.1:1.