Transdermal therapeutic system comprising galanthamine as active component

US5700480A · kind A · utility

Assignee

• LTS Lohmann Therapie-Systeme GmbH Co. KG · DE

Inventors

• Thomas Hille · Neuwied, DE
• Lothar Deurer · Koblenz, DE

Key dates

• Filing date: Sep 29, 1995
• Grant date: Dec 23, 1997
• Expiry date: Sep 29, 2015

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P37/02
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A transdermal therapeutic system (TTS) for the administration of galanthamine to the skin each system having a backing layer which is impermeable to active substances and a pressure sensitive adhesive reservoir layer, wherein the reservoir layer comprises 40-80% wt. polymeric material selected from the group consisting of polyacrylates, 0.1-30%-wt. plasticizers, and 0.1-30%-wt. galanthamine base or one of its pharmaceutically acceptable salts.