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:
Dec. 23, 2008
Filed:
Mar. 28, 2008
Frederik Van Laar, Limburgerhof, DE;
Ekkehard Schwab, Neustadt, DE;
Steffen Oehlenschlaeger, Ludwigshafen, DE;
Hartwig Voss, Frankenthal, DE;
Wolfgang Mackenroth, Bad Duerkheim, DE;
Konrad Morgenschweis, Dresden, DE;
Ulrich Penzel, Tettau, DE;
Bernd Weidner, Wormlage, DE;
Frederik Van Laar, Limburgerhof, DE;
Ekkehard Schwab, Neustadt, DE;
Steffen Oehlenschlaeger, Ludwigshafen, DE;
Hartwig Voss, Frankenthal, DE;
Wolfgang Mackenroth, Bad Duerkheim, DE;
Konrad Morgenschweis, Dresden, DE;
Ulrich Penzel, Tettau, DE;
Bernd Weidner, Wormlage, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
The present invention provides a process for hydrogenating aromatic nitro compounds to the corresponding amines in the presence of hydrogenation catalysts, which comprises using hydrogenation catalysts in which nickel and platinum are present on a support in the form of an alloy having an atomic ratio of nickel to platinum in the alloy of between 30:70 and 70:30.