Cosmetic or dermatological preparation comprising delta-aminolevulinic acid content as an active ingredient

US5520905A · kind A · utility

Assignee

• BEIERSDORF AG · DE

Inventors

• Beate Uhlmann · Hamburg, DE
• Tobias Mann · Ann Arbor, US
• Heinrich Gers-Barlag · Kummerfeld, DE
• Gerhard Sauermann · Wiemersdorf, DE

Key dates

• Filing date: Jun 16, 1994
• Grant date: May 28, 1996
• Expiry date: Jun 16, 2014

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61Q19/004
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A cosmetic or dermatological preparation comprising .delta.-aminolevulinic acid as an active ingredient.