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. 29, 2018
Filed:
Aug. 25, 2015
Applicant:
Basf SE, Ludwigshafen, DE;
Inventors:
Christof Wilhelm Wigbers, Lich, DE;
Wolfgang Maegerlein, Limburgerhof, DE;
Thomas Krug, Worms, DE;
Johann-Peter Melder, Boehl-Iggelheim, DE;
Thomas Heidemann, Viernheim, DE;
Bernd Stein, Alsbach-Haehnlein, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/48 (2006.01); B01J 23/75 (2006.01); B01J 37/18 (2006.01); B01J 35/00 (2006.01); B01J 23/78 (2006.01);
U.S. Cl.
CPC ...
C07C 209/48 (2013.01); B01J 23/75 (2013.01); B01J 23/78 (2013.01); B01J 35/002 (2013.01); B01J 35/0006 (2013.01); B01J 37/18 (2013.01); C07C 2523/75 (2013.01);
Abstract
The invention relates to a process for preparing primary amines, which comprises hydrogenating at least one nitrile in an apparatus (V1) in the presence of an unsupported cobalt catalyst to obtain at least one primary amine, with recurrent or continuous addition of at least one compound (I) to the apparatus (V1), said compound (I) comprising at least one component selected from alkali metal, alkaline earth metal and rare earth metal.