Transdermal therapeutic system containing estradiol

US6521250B2 · kind B2 · utility

Assignees

• LTS Lohmann Therapie-Systeme AG · DE
• Merck Patent GmbH · DE

Inventors

• Reinhold Meconi · Neuwied, DE
• Frank Seibertz · Rheinbrohl, DE
• Michael Horstmann · Neuwied, DE
• Rainer Lichtenberger · Darmstadt, DE

Key dates

• Filing date: Mar 10, 2000
• Grant date: Feb 18, 2003
• Expiry date: Mar 10, 2020

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P5/30
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

An active-substance-containing transdermal therapeutic system for the controlled release of estradiol or its pharmaceutically acceptable able derivatives alone or combined with gestagens consisting of a layer, an active-substance-containing reservoir which is bonded thereto and produced by using pressure sensitive adhesives, and a removable protective layer is characterized by the fact that the pressure sensitive adhesive comprises esters of colophony.