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. 10, 2008
Filed:
May. 21, 2003
Applicants:
Stefan Maixner, Schwetzingen, DE;
Christoph Benisch, Mannheim, DE;
Hermann Luyken, Ludwigshafen, DE;
Peter Baβler, Viernheim, DE;
Rolf-hartmuth Fischer, Heidelberg, DE;
Johann-peter Melder, Böhl-Iggelheim, DE;
Andreas Ansmann, Wiesloch, DE;
Inventors:
Stefan Maixner, Schwetzingen, DE;
Christoph Benisch, Mannheim, DE;
Hermann Luyken, Ludwigshafen, DE;
Peter Baβler, Viernheim, DE;
Rolf-Hartmuth Fischer, Heidelberg, DE;
Johann-Peter Melder, Böhl-Iggelheim, DE;
Andreas Ansmann, Wiesloch, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 253/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for reducing the level of an aliphatic monounsaturated amine (IV) in a mixture (V) containing an aminonitrile (I) or a diamine (II) or a dinitrile (III) or mixtures thereof as well as said mine (IV) by