Use of azeotropically dried nickel(ii) halogenides

US7700795B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Gerd Haderlein · Bad Kötzting, DE
• Robert Baumann · Mannheim, DE
• Michael Bartsch · Neustadt, DE
• Tim Jungkamp · Sandhausen, DE
• Hermann Luyken · Ludwigshafen, DE
• Jens Scheidel · Hirschberg, DE
• Heinz Schafer · Worms, DE
• Wolfgang Siegel · Schifferstadt, DE

Key dates

• Filing date: Oct 28, 2004
• Grant date: Apr 20, 2010
• Expiry date: Aug 1, 2027

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J2531/847
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A process is described for preparing a nickel(0)-phosphorus ligand complex containing at least one nickel(0)central atom and at least one phosphorus ligand, which comprises reducing a nickel(II) halide dried by azeotropic distillation in the presence of at least one phosphorus ligand.