Preparation of trimethylolpropane

US7211701B2 · kind B2 · utility

Assignee

• LANXESS Deutschland GmbH · DE

Inventors

• Dirk Müller · Essen, DE
• Paul Wagner · Mülheim an der Ruhr, DE
• Brian Schwegler · Leverkusen, DE
• Ulrich Notheis · Dormagen, DE
• Ralph Armbrust · Dormagen, DE
• Hans-Detlef Heinz · Krefeld, DE
• Alexander Wagner · Wernigerode, DE

Key dates

• Filing date: Dec 18, 2002
• Grant date: May 1, 2007
• Expiry date: Dec 16, 2024

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C29/80
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for preparing trimethylolpropane having a low APHA color number.