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:
Oct. 21, 2008
Filed:
Jan. 26, 2005
Tim Jungkamp, Kapellen, BE;
Dagmar Pascale Kunsmann-keitel, Limburgerhof, DE;
Michael Bartsch, Neustadt, DE;
Robert Baumann, Mannheim, DE;
Gerd Haderlein, Grünstadt, DE;
Hermann Luyken, Ludwigshafen, DE;
Jens Scheidel, Hirschberg, DE;
Tim Jungkamp, Kapellen, BE;
Dagmar Pascale Kunsmann-Keitel, Limburgerhof, DE;
Michael Bartsch, Neustadt, DE;
Robert Baumann, Mannheim, DE;
Gerd Haderlein, Grünstadt, DE;
Hermann Luyken, Ludwigshafen, DE;
Jens Scheidel, Hirschberg, DE;
BASF SE, Ludwigshafen, DE;
Abstract
A process is described for preparing 3-pentenenitrile by hydrocyanating 1,3-butadiene with hydrogen cyanide over at least one catalyst, wherein the 1,3-butadiene and/or hydrogen cyanide is contacted with at least one microporous solid before the reaction.