Emulsifier systems for cosmetic and pharmaceutical oil-in-water emulsions

US8211972B2 · kind B2 · utility

Assignee

• EVONIK GOLDSCHMIDT GMBH · DE

Inventors

• Juergen Meyer · Taunusstein, DE
• Christian Hartung · Essen, DE
• Karin Czech · Essen, DE
• Michael Ferenz · Essen, DE
• Andrea Lohse · Bottrop, DE
• Sascha Herrwerth · Essen, DE
• Frank Unger · Edmonton, CA
• Burghard Gruening · Essen, DE

Key dates

• Filing date: Sep 11, 2009
• Grant date: Jul 3, 2012
• Expiry date: Apr 26, 2030

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61Q19/08
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to emulsifier systems for cosmetic and pharmaceutical oil-in-water emulsions comprising high molecular weight organomodified polysiloxanes with a dispersion index greater than 1.6.