Use of flavones and flavonoids against the UV-induced decomposition of dibenzoylmethane and its derivatives

US5952391A · kind A · utility

Assignee

• BEIERSDORF AG · DE

Inventors

• Heinrich Gers-Barlag · Kummerfeld, DE
• Oliver Scheel · Hamburg, DE

Key dates

• Filing date: Dec 4, 1998
• Grant date: Sep 14, 1999
• Expiry date: Dec 4, 2018

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/52
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Use of flavone derivatives and flavanone derivatives, in particular flavonoids for stabilizing cosmetic or dermatologically acceptable substances, the chemical formula of which includes the structural moiety of dibenzoylmethane, against the decomposition caused by UV radiation.