Plasters containing active substances

US6488958B1 · kind B1 · utility

Assignee

• BEIERSDORF AG · DE

Inventors

• Peter Himmelsbach · Buxtehude, DE
• Helmut Linder · Schenefeld, DE
• Katharina Broschk · Hamburg, DE
• Marike Sinnen · Taufkirchen, DE
• Matthias Wasner · Reinbek, DE

Key dates

• Filing date: Dec 2, 1997
• Grant date: Dec 3, 2002
• Expiry date: Dec 2, 2017

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61L2300/40
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Plasters containing active substance, comprising a backing material and, applied thereon, a hot-melt self-adhesive composition, characterized in that the hot-melt self-adhesive composition comprises at least one hyper-aemic active substance.