Method for producing multimetal cyanide compounds

US6689710B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Georg Heinrich Grosch · Bad Dürkheim, DE
• Dirk Franke · Birkenheide, DE
• Manfred Munzinger · Dirmstein, DE
• Kathrin Harre · Dresden, DE
• Eva Baum · Schwarzheide, DE
• Michael Stosser · Schifferstadt, DE

Key dates

• Filing date: Aug 20, 2002
• Grant date: Feb 10, 2004
• Expiry date: Aug 20, 2022

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J27/26
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A process for preparing multimetal cyanide compounds by reacting a metal salt with a cyanometalate compound comprises the stepsa) precipitation of the multimetal cyanide compound by reaction of a metal salt with a cyanometalate compound andb) recrystallization of the multimetal cyanide compound precipitated in step a).