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:
Aug. 24, 2010
Filed:
Jan. 27, 2005
Applicants:
Jens Scheidel, Hirschberg, DE;
Tim Jungkamp, Kapellen, BE;
Michael Bartsch, Neustadt, DE;
Gerd Haderlein, Grünstadt, DE;
Robert Baumann, Mannheim, DE;
Hermann Luyken, Ludwigshafen, DE;
Inventors:
Jens Scheidel, Hirschberg, DE;
Tim Jungkamp, Kapellen, BE;
Michael Bartsch, Neustadt, DE;
Gerd Haderlein, Grünstadt, DE;
Robert Baumann, Mannheim, DE;
Hermann Luyken, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 263/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process is described for preparing 3-pentenenitrile by hydrocyanating 1,3-butadiene, wherein 1,3-butadiene is reacted with hydrogen cyanide in the presence of at least one catalyst and the stream resulting therefrom is purified distillatively, the bottom temperature during the distillation not exceeding 140° C.