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:
Jun. 24, 2014
Filed:
Dec. 13, 2010
Applicants:
Markus Siegert, Heidelberg, DE;
Torsten Mattke, Freinsheim, DE;
Tilmann Steinmetz, Gruenstadt, DE;
Hans-juergen Pallasch, Kallstadt, DE;
Filip Nevejans, St. Gillis-Waas, BE;
Inventors:
Markus Siegert, Heidelberg, DE;
Torsten Mattke, Freinsheim, DE;
Tilmann Steinmetz, Gruenstadt, DE;
Hans-Juergen Pallasch, Kallstadt, DE;
Filip Nevejans, St. Gillis-Waas, BE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 211/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a process for preparing diphenylmethanediamine, comprising the steps of: