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. 19, 2014
Filed:
May. 05, 2010
Lucia Konigsmann, Stuttgart, DE;
Ekkehard Schwab, Neustadt, DE;
Michael Hesse, Worms, DE;
Christian Schneider, Mannheim, DE;
Thomas Heidemann, Viernheim, DE;
Celine Liekens, Antwerp, BE;
Jutta Bickelhaupt, Fraenkisch-Crumbach, DE;
Dirk Theis, Ludwigshafen, DE;
Lucia Konigsmann, Stuttgart, DE;
Ekkehard Schwab, Neustadt, DE;
Michael Hesse, Worms, DE;
Christian Schneider, Mannheim, DE;
Thomas Heidemann, Viernheim, DE;
Celine Liekens, Antwerp, BE;
Jutta Bickelhaupt, Fraenkisch-Crumbach, DE;
Dirk Theis, Ludwigshafen, DE;
BASF SE, Ludwigshafen, DE;
Abstract
The invention relates to a process for preparing aromatic amines by catalytically hydrogenating the corresponding aromatic nitro compound, which comprises using a copper catalyst with a support comprising SiO, the SiOhaving been prepared by wet grinding and subsequent spray drying.