Stabilization of oxidation-sensitive or UV-sensitive active ingredients

US7204974B2 · kind B2 · utility

Assignee

• BEIERSDORF AG · DE

Inventors

• Guido Heinsohn · Glückstadt, DE
• Anja Göppel · Hamburg, DE
• Volker Wendel · Seeheim-Jugenheim, DE

Key dates

• Filing date: Feb 27, 2004
• Grant date: Apr 17, 2007
• Expiry date: Mar 23, 2025

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/522
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention is a cosmetic or dermatological formulation, comprising: in which R1 and R2, independently of one another, are chosen from the group of branched and unbranched alkyl groups having 6 to 24 carbon atoms; and