Stabilization of oxidation-sensitive or UV-sensitive active ingredients

US7244417B2 · kind B2 · utility

Assignee

• BEIERSDORF AG · DE

Inventors

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

Key dates

• Filing date: Feb 27, 2004
• Grant date: Jul 17, 2007
• Expiry date: Dec 25, 2024

Classification

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

Abstract

The cosmetic or dermatological formulations of the invention include: 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