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. 05, 2008
Filed:
Jun. 25, 2004
Applicants:
Ulrich Steinbrenner, Neustadt, DE;
Eckhard Stroefer, Mannheim, DE;
Martin Sohn, Lohra, DE;
Veronika Quaschning, Mannheim, DE;
Helmut Moehwald, Annweiler, DE;
Kai Thiele, Schwarzheide, DE;
Filip Deberdt, Muizen, BE;
Jan D. Jacobs, Baton Rouge, LA (US);
Rolf Pinkos, Bad Durkheim, DE;
Inventors:
Ulrich Steinbrenner, Neustadt, DE;
Eckhard Stroefer, Mannheim, DE;
Martin Sohn, Lohra, DE;
Veronika Quaschning, Mannheim, DE;
Helmut Moehwald, Annweiler, DE;
Kai Thiele, Schwarzheide, DE;
Filip Deberdt, Muizen, BE;
Jan D. Jacobs, Baton Rouge, LA (US);
Rolf Pinkos, Bad Durkheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/78 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process is described for preparing diaminodiarylmethanes comprising the steps