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:
Jul. 01, 2008
Filed:
Jul. 15, 2004
Matthias Frauenkron, Freinsheim, DE;
Thomas Krug, Worms, DE;
Holger Evers, Mannheim, DE;
Johann-peter Melder, Böhl-Iggelheim, DE;
Roderich Röttger, Mannheim, DE;
Markus Siegert, Heidelberg, DE;
Till Gerlach, Ludwigshafen, DE;
Jan Nouwen, Brecht, BE;
Ellen Dahlhoff, Limburgerhof, DE;
Christian Miller, Ruppertsberg, DE;
Matthias Frauenkron, Freinsheim, DE;
Thomas Krug, Worms, DE;
Holger Evers, Mannheim, DE;
Johann-Peter Melder, Böhl-Iggelheim, DE;
Roderich Röttger, Mannheim, DE;
Markus Siegert, Heidelberg, DE;
Till Gerlach, Ludwigshafen, DE;
Jan Nouwen, Brecht, BE;
Ellen Dahlhoff, Limburgerhof, DE;
Christian Miller, Ruppertsberg, DE;
BASF Aktiengesellschaft, , DE;
Abstract
Process for the preparation of ethylenamines, in particular diethylenetriamine (DETA), by continuous reaction of ethylenediamine (EDA) in the presence of a heterogeneous catalyst, where the reaction is carried out in a reaction column.