Method for producing triethylenetetramine

US7960591B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Kirsten Dahmen · Mannheim, DE
• Alfred Oftring · Bad Dürkheim, DE
• Randolf Hugo · Dirmstein, DE
• Katrin Baumann · Mannheim, DE
• Thilo Hahn · Kirchheimbolanden, DE
• Johann-Peter Melder · Schifferstadt, DE

Key dates

• Filing date: Feb 27, 2008
• Grant date: Jun 14, 2011
• Expiry date: Feb 27, 2028

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C209/48
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a process for preparing triethylenetetramine (TETA), which comprises hydrogenating ethylenediaminediacetonitrile (EDDN) in the presence of a catalyst and a solvent.