Transdermal preparation contacting a loratidine metabolite with antihistaminic activity

US6395297B1 · kind B1 · utility

Assignee

• Hexal AG · DE

Inventors

• Karin Klokkers · Holzkirchen, DE
• Wilfried Fischer · Holzkirchen, DE
• Daniel Bracher · Muri, CH

Key dates

• Filing date: May 17, 2000
• Grant date: May 28, 2002
• Expiry date: May 17, 2020

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K31/4545
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A transdermal patch contains an active loratidine metabolite contained with polyacrylate polymer matrix. The transdermal patch provides pharmaceutically useful transdermal flux rates over time.