Stabilization of UV-sensitive active ingredients

US8535648B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Barbara Wagner · Charleston, US
• Bernd Herzog · Weil am Rhein, DE
• Stefan Muller · Weil am Rhein, DE
• Thomas Ehlis · Glückstadt, DE

Key dates

• Filing date: Jan 16, 2008
• Grant date: Sep 17, 2013
• Expiry date: Sep 7, 2028

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61Q19/04
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Disclosed is the use of merocyanine derivatives of formula (1) for stabilizing UV-sensitive active ingredients like dibenzoylmethane derivatives.