Thermal separating process for removing at least one stream containing enriched (meth) acrylic monomers

US7393436B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Bernd Eck · Viernheim, DE
• Ulrich Hammon · Mannheim, DE
• Klaus Joachim Mueller-Engel · Blankenloch, DE
• Juergen Schroeder · Ludwigshafen, DE
• Joachim Thiel · Neustadt, DE
• Hans Martan · Bischofswerda, DE

Key dates

• Filing date: Jul 12, 2004
• Grant date: Jul 1, 2008
• Expiry date: Jun 1, 2025

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S203/22
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A thermal separating process for removing a stream containing enriched (meth)acrylic monomers from a mixture containing (meth)acrylic monomers, in which the liquid phases retained in the separating space at high temperature and high (meth)acrylic monomer content are minimized.