Process for preparing monodisperse ion exchangers having chelating functional groups and the use thereof

US6649663B1 · kind B1 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Reinhold Klipper · Neunburg vorm Wald, DE
• Werner Struver · Leverkusen, DE
• Ulrich Schnegg · Leverkusen, DE
• Bruno Hees · Langenfeld, DE
• Bernhard Lehmann · Appenweier, DE
• Holger Lutjens · Cologne, DE

Key dates

• Filing date: Aug 21, 2000
• Grant date: Nov 18, 2003
• Expiry date: Aug 21, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F8/12
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for preparing novel, monodisperse ion exchangers having chelating functional groups, and their use for adsorbing metal compounds, in particular, heavy metal compounds and noble metal compounds, and also for extracting alkaline-earth metals from saline solutions from alkali metal chloride electrolysis.