Transdermal therapeutic system comprising a reservoir-type pressure-sensitive adhesive layer and a back layer with uni-directional resilience

US6814976B1 · kind B1 · utility

Assignee

• LTS Lohmann Therapie-Systeme AG · DE

Inventors

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

Key dates

• Filing date: May 3, 2000
• Grant date: Nov 9, 2004
• Expiry date: May 3, 2020

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P29/02
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A transdermal therapeutic system (TTS), in particular a patch, is described, comprising:a detectable protective layera pressure-sensitive adhesive reservoir layer anda backing layer with or without a coating of pressure-sensitive adhesive and featuring a unintentionally, preferably longitudinally, elastic material having an elasticity of at least 20%. The TTS is particularly suitable for use as a multi-day plaster, for the treatment, for instance, of pain or of drug dependency.