Preparations of the W/O emulsion type with an increased water content, and comprising cationic polymers

US7138128B2 · kind B2 · utility

Assignee

• BEIERSDORF AG · DE

Inventors

• Andreas Bleckmann · Ahrensburg, DE
• Rainer Kropke · Schenefeld, DE
• Gunther Schneider · Hamburg, DE

Key dates

• Filing date: Nov 9, 1999
• Grant date: Nov 21, 2006
• Expiry date: May 23, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K23/34
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Water-in-oil emulsions comprising at least one cationic polymer, at least one surface active substance and a content of water and optional water-soluble substances totalling at least 80% based on the total weight of the emulsions.