Method for reducing the content of an unsaturated amine in a mixture containing an amino nitrile, a diamine, a dinitrile or mixtures thereof

US7385073B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Stefan Maixner · Schwetzingen, DE
• Christoph Benisch · Mannheim, DE
• Hermann Luyken · Ludwigshafen, DE
• Peter Baβler · Viernheim, DE
• Rolf Fischer · Heidelberg, DE
• Johann-Peter Melder · Schifferstadt, DE
• Andreas Ansmann · Wiesloch, DE

Key dates

• Filing date: May 21, 2003
• Grant date: Jun 10, 2008
• Expiry date: Apr 29, 2024

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C253/34
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

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