Sulfonated bead polymers prepared from styrene, vinylpyridines, and crosslinkers

US6472479B1 · kind B1 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Burkhard Kohler · Leverkusen, DE
• Rudiger Seidel · Sandersdorf, DE
• Olaf Halle
• Eckhard Wenz · Neunburg vorm Wald, DE

Key dates

• Filing date: Aug 17, 2000
• Grant date: Oct 29, 2002
• Expiry date: Apr 27, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F2800/20
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to sulfonated bead polymers prepared from styrene, vinylpyridines, further monomers, and crosslinkers, to a process for preparing them, and to their use as cation exchangers.