Amphoteric ethyl methacrylate copolymers and use thereof

US8034888B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Son Nguyen-Kim · Hemsbach, DE
• Gabi Winter · Ludwigshafen, DE
• Matthias Laubender · Schifferstadt, DE

Key dates

• Filing date: Oct 19, 2005
• Grant date: Oct 11, 2011
• Expiry date: Oct 19, 2025

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F220/1802
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The present invention relates to amphoteric copolymers which comprise ethyl methacrylate, if appropriate a N-vinyllactam compound, at least one monoethylenically unsaturated carboxylic acid and at least one compound with α,β-ethylenically unsaturated double bond and at least one cationogenic and/or cationic group in copolymerized form, to cosmetic and pharmaceutical compositions which comprise such copolymers, to preparation methods, and to the use of these copolymers.