Cosmetic and dermatological light protection formulations in the form of O/W macroemulsions or O/W microemulsions containing shea butter

US6805871B1 · kind B1 · utility

Assignee

• BEIERSDORF AG · DE

Inventors

• Gerhard Benner · Buxtehude, DE
• Astrid Heptner · Hamburg, DE
• Anja Knuppel · Hamburg, DE

Key dates

• Filing date: Nov 27, 2000
• Grant date: Oct 19, 2004
• Expiry date: Nov 27, 2020

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61Q19/00
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Sprayable oil-in-water emulsions, in particular O/W microemulsions, comprising inorganic pigments [lacuna] emulsifiers whose lipophilicity is dependent either on the pH or on the temperature, and one or more film formers chosen from the group of silicone emulsifiers.