Preparation of phosphorus-containing alkoxylation products

US7273945B2 · kind B2 · utility

Assignee

• LANXESS Deutschland GmbH · DE

Inventors

• Thomas Weiss · Tamm, DE
• Wolfgang Grape · Cologne, DE
• Rainer Elbert · Wittlich, DE
• Jan-Gerd Hansel · Bensberg, DE
• Johannes Kaulen · Odenthal, DE

Key dates

• Filing date: Mar 15, 2006
• Grant date: Sep 25, 2007
• Expiry date: May 10, 2026

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/1411
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention describes a process for preparing alkoxylated, phosphorus-containing compounds, using heterogeneous catalysts based on metal oxides of aluminum, so that the product can be worked up anhydrously.