Multimetal cyanide compounds

US6764978B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Georg Heinrich Grosch · Bad Dürkheim, DE
• Edward Bohres · Ludwigshafen, DE
• Raimund Ruppel · Dresden, DE
• Kathrin Harre · Dresden, DE
• Eva Baum · Schwarzheide, DE
• Michael Stosser · Schifferstadt, DE
• Jeffery Miller · Naperville, US
• Richard B. Prager · Westland, US

Key dates

• Filing date: Aug 28, 2002
• Grant date: Jul 20, 2004
• Expiry date: Aug 28, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G65/2663
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The invention relates to DMC catalysts which comprise at least 10% by weight, based on the weight of the DMC catalysts, of a crystalline multimetal cyanide compound whose X-ray diffractogram shows sharp reflections at least at the d values of11.4 å±0.5 å8.9 å±0.5 å6.3 å±0.5 å5.8 å±0.5 å5.5 å±0.5 å4.5 å±0.5 å4.4 å±0.5 å3.9 å±0.4 å3.7 å±0.4 å3.4 å±0.4 å.