Method for purifying polymerizable compounds

US8337671B2 · kind B2 · utility

Assignee

• Evonik Röhm GmbH · DE

Inventors

• Dirk Broell · Langen, DE
• Hermann Siegert · Weiterstadt, DE

Key dates

• Filing date: Mar 14, 2007
• Grant date: Dec 25, 2012
• Expiry date: Jan 12, 2029

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C51/573
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Process for distillatively purifying polymerizable compounds using a high-boiling, inert, thermally long-term-stable substance as a boiling oil, characterized in that the boiling oil is disposed in the bottom of a rectification column.