Process for the preparation of hydrophilic hydrogels of high swelling capacity

US6150477A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Fritz Engelhardt · Frankfurt am Main, DE
• Manfred Mayer · Niedernhausen, DE
• Uwe Nickel · Bad Homburg vor der Höhe, DE

Key dates

• Filing date: Jun 23, 1997
• Grant date: Nov 21, 2000
• Expiry date: Jun 23, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F20/04
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for the preparation of hydrophilic hydrogels of high swelling capacity by (co)polymerization of hydrophilic monomers in a fluidized bed apparatus.