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. 24, 2013
Filed:
Dec. 21, 2009
Applicants:
Joana Coelho Tsou, Heidelberg, DE;
Steffen Oehlenschlaeger, Antwerp, BE;
Ekkehard Schwab, Neustadt, DE;
Wolfgang Mackenroth, Tervuren, BE;
Hartwig Voss, Frankenthal, DE;
Stefan Maixner, Schwetzingen, DE;
Samuel Neto, Dresden, DE;
Sven Boehmeke, Senftenberg, DE;
Frederik Van Laar, Maarssen, NL;
Inventors:
Joana Coelho Tsou, Heidelberg, DE;
Steffen Oehlenschlaeger, Antwerp, BE;
Ekkehard Schwab, Neustadt, DE;
Wolfgang Mackenroth, Tervuren, BE;
Hartwig Voss, Frankenthal, DE;
Stefan Maixner, Schwetzingen, DE;
Samuel Neto, Dresden, DE;
Sven Boehmeke, Senftenberg, DE;
Frederik Van Laar, Maarssen, NL;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/00 (2006.01); C07C 211/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for preparing tolylenediamine by hydrogenating dinitrotoluene with hydrogen in the presence of a suspended catalyst