Process for preparing monodisperse ion exchangers having chelating functional

US7077964B2 · kind B2 · 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: Oct 17, 2003
• Grant date: Jul 18, 2006
• Expiry date: Oct 17, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F8/30
• 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.