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:
Nov. 16, 2004
Filed:
Nov. 06, 2002
Applicant:
Inventors:
Jürgen Krauter, Dreieich, DE;
Michael Gross, Frankfurt am Main, DE;
Uwe Packruhn, Frankfurt am Main, DE;
Markus Göttlinger, Rodenbach, DE;
Assignee:
Degussa AG, Dusseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 5/500 ; C07C / ;
U.S. Cl.
CPC ...
C01G 5/500 ; C07C / ;
Abstract
Supported, hydrogenating catalyst in powder form containing, as a catalytically active component, a primary precious metal component, a secondary precious metal component and one or more non-precious metal components. It is used for the hydrogenation of nitroaromatics, in particular nitrobenzene and DNT.