Process for fractionating water-containing crude amine mixtures from amine synthesis

US6986833B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Andreas Wölfert · Bad Rappenau, DE
• Heinz Rutter · Hochdorf-Assenheim, DE
• Stefan Rittinger · Mannheim, DE
• Mark Wehinger · Ludwigshafen, DE
• Aurelie Alemany · Stuttgart, DE
• Willi Schmidt · Ludwigshafen, DE

Key dates

• Filing date: Oct 17, 2002
• Grant date: Jan 17, 2006
• Expiry date: Jul 4, 2023

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S203/20
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

An amine-containing mixture containing one or more amines, water, low-boilers and optionally high-boilers is fractionated by a process having the steps (iii) and (iv) and optionally the steps (i), (ii) and (v):