Cosmetic preparations

US7318929B2 · kind B2 · utility

Assignee

• Cognis Deutschland GmbH & Co. KG · DE

Inventors

• Ludwig Schieferstein · Ratingen, DE
• Werner Seipel · Hilden, DE
• Joachim Conradi · Goldkronach, DE
• Dagmar Goebels · Voerde, DE

Key dates

• Filing date: Apr 3, 2002
• Grant date: Jan 15, 2008
• Expiry date: Apr 9, 2024

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/48
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A cosmetic composition containing a polyether urethane thickener corresponding to formula I:wherein R1, R2 and R3, independently of one another, represent linear or branched alkyl and/or alkenyl groups containing from about 6 to 22 carbon atoms, x, y and z, independently of one another, represent a number from 1 to 10 and k, m and n, independently of one another, represent a number from about 10 to 200.