Silicone-modified comb polymers based on acryloyldimethyltaurine acid (2-acrylamido-2-methyl-1-propanesulfonic acid)

US7186774B2 · kind B2 · utility

Assignee

• Clariant Produkte (Deutschland) GmbH · DE

Inventors

• Roman Morschhäuser · Mainz, DE
• Jan Glauder · Frankfurt, DE
• Matthias Loffler · Niedernhausen, DE
• Susan Rudloff · Kelkheim, DE
• Sonja Klein · Wemding, DE

Key dates

• Filing date: Nov 28, 2001
• Grant date: Mar 6, 2007
• Expiry date: Feb 1, 2023

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/54
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention provides water-soluble or water-swellable copolymers obtained by free-radical copolymerization of