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. 24, 2022
Filed:
Oct. 08, 2018
Applicant:
Basf SE, Ludwigshafen am Rhein, DE;
Inventors:
Barbara Wucher, Ludwigshafen, DE;
Thomas Heidemann, Ludwigshafen, DE;
Michael Friko, Ludwigshafen, DE;
Christian Bechtold, Ludwigshafen, DE;
Assignee:
BASF SE, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/36 (2006.01); B01J 21/18 (2006.01); B01J 23/89 (2006.01);
U.S. Cl.
CPC ...
C07C 209/36 (2013.01); B01J 21/18 (2013.01); B01J 23/892 (2013.01); B01J 23/8993 (2013.01);
Abstract
The present invention relates to a process for continuous hydrogenation of a nitro compound to the corresponding amine in a liquid reaction mixture comprising the nitro compound in a reaction chamber in the presence of a supported catalyst which comprises as the active component at least one element from groups 7 to 12 of the periodic table of the elements, wherein ammonia is added to the reaction chamber during the hydrogenation.