Method for producing amino methylated bead polymerizates from N-carboxylic acid methylphthalimide esters

US10016754B2 · kind B2 · utility

Assignee

• LANXESS Deutschland GmbH · DE

Inventors

• Reinhold Klipper · Neunburg vorm Wald, DE
• Pierre Vanhoorne · Monheim, DE
• Bernd Koop · Cologne, DE
• Areski Rezkallah · Bensberg, DE

Key dates

• Filing date: Dec 21, 2015
• Grant date: Jul 10, 2018
• Expiry date: Dec 21, 2035

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F212/26
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to a process for preparing aminomethylated bead polymers from N-carboxymethylphthalimides, which are used as anion exchangers or can be converted further to chelate resins.