Cosmetic and dermatological light protection formulations having an active content of cis-urocaninic acid

US5620680A · kind A · utility

Assignee

• BEIERSDORF AG · DE

Inventors

• Franz Stab · Echem, DE
• Gerhard Sauermann · Wiemersdorf, DE
• Beate Uhlmann · Hamburg, DE

Key dates

• Filing date: Sep 2, 1993
• Grant date: Apr 15, 1997
• Expiry date: Sep 2, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K15/30
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The use of an active amount of cis-urocaninic acid as a light protection agent and/or antioxidant, if appropriate in a suitable galenic carrier, for cosmetic and/or dermatological purposes, the use of an active content of cis-urocaninic acid as a light protection agent and/or antioxidant in cosmetic and dermatological formulations, and the use of a mixture of cis- and trans-urocaninic acid as a light protection agent or antioxidant in cosmetic and dermatological formulations, wherein it must be ensured that at least the cis-urocaninic acid is present in an active concentration.