Transdermal therapeutic systems with crystallization inhibitors

US5676968A · kind A · utility

Assignee

• SCHERING CORPORATION · US

Inventors

• Ralph Lipp · Berlin, DE
• Jutta Riedl · Berlin, DE
• Johannes Tack · Berlin, DE

Key dates

• Filing date: May 3, 1995
• Grant date: Oct 14, 1997
• Expiry date: May 3, 2015

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K9/7061
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A transdermal therapeutic system is described, which is characterized in that it contains a crystallization inhibitor and optionally penetration enhancer in an active ingredient-containing adhesive matrix.