Process for the synthesis of DMAPA

US7723547B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Martin Ernst · Ludwigshafen am Rhein, DE
• Steffen Oehlenschläger · Ludwigshafen, DE
• Frank Kuhnke · Ludwigshafen, DE
• Karl-Heinz Roβ · Bad Kötzting, DE
• Ronald Deeg · Bad Kötzting, DE
• Johann-Peter Melder · Schifferstadt, DE

Key dates

• Filing date: Oct 31, 2006
• Grant date: May 25, 2010
• Expiry date: Oct 31, 2026

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J2219/0004
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for the industrial preparation of a diamine starting from a corresponding alkenyl nitrile comprising at least one C—C double bond, which comprises the steps The invention further relates to an apparatus for preparing these diamines and the use of the apparatuses. A preferred diamine is 3-dimethylaminopropylamine (DMAPA).