Process for preparing crosslinked ion exchangers based on unsaturated aliphatic nitriles

US6696503B2 · kind B2 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Michael Happ · Scottsdale, US
• Ralf-Jurgen Born · Langenfeld, DE
• Reinhold Klipper · Neunburg vorm Wald, DE
• Ulrich Schnegg · Leverkusen, DE
• Hans-Karl Soest · Cologne, DE
• Wolfgang Zarges · Neunburg vorm Wald, DE

Key dates

• Filing date: Dec 14, 2000
• Grant date: Feb 24, 2004
• Expiry date: May 22, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F2810/20
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for preparing crosslinked ion exchangers with a homogeneous network structure based on unsaturated aliphatic nitriles in the presence of film-forming protective colloids.