Gel creams in the form of O/W emulsions containing one or more ammonium acryloyldimethyltaurate/vinylpyrrolidone copolymers

US6620420B2 · kind B2 · utility

Assignee

• BEIERSDORF AG · DE

Inventors

• Ghita Lanzendorfer · Hamburg, DE
• Jens Nielsen · Galten, DK
• Birgit Hargens · Hamburg, DE
• Rainer Kropke · Schenefeld, DE
• Heidi Riedel · Hamburg, DE
• Stephanie von Thaden · Hamburg, DE

Key dates

• Filing date: Dec 19, 2001
• Grant date: Sep 16, 2003
• Expiry date: Dec 19, 2021

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61Q17/04
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Cosmetic or dermatological gel creams of the oil-in-water type, comprising(i) up to 90% by weight of a water phase,(ii) up to 20% by weight of a lipid phase, based on the total weight of the preparations,(iii) up to 5% by weight of one or more emulsifiers,(iv) also comprising up to 5% by weight of one or more ammonium acryloyldimethyltaurates/vinylpyrrolidone copolymers.