Maleic anhydride copolymers containing amine oxide groups and their use as dispersants for pigments of fillers

US6423785B1 · kind B1 · utility

Assignee

• GOLDSCHMIDT HOLDING GMBH · DE

Inventors

• Eberhard Esselborn · Essen, DE
• Manfred Gaikowski · Naumburg, DE
• Wolfgang Josten · Essen, DE
• Ellen Reuter · Essen, DE
• Stefan Silber · Krefeld, DE
• Andreas Stüttgen · Duisburg, DE

Key dates

• Filing date: Feb 3, 2000
• Grant date: Jul 23, 2002
• Expiry date: Feb 3, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F2810/50
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to maleic anhydride copolymers containing amine oxide groups and to their use as dispersants for pigments and fillers.