Method for producing ethylene-amines

US7393978B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Matthias Frauenkron · Freinsheim, DE
• Thomas Krug · Worms, DE
• Holger Evers · Mannheim, DE
• Johann-Peter Melder · Schifferstadt, DE
• Roderich Röttger · Mannheim, DE
• Markus Siegert · Heidelberg, DE
• Till Gerlach · Ludwigshafen, DE
• Jan Nouwen · Brecht, BE
• Ellen Dahlhoff · Schifferstadt, DE
• Christian Miller · Deidesheim, DE

Key dates

• Filing date: Jul 15, 2004
• Grant date: Jul 1, 2008
• Expiry date: Sep 5, 2024

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C209/64
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

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.