Transdermal therapeutic system having controlled active substance flow comprising a basic reacting oxide

US9833418B2 · kind B2 · utility

Assignee

• LTS Lohmann Therapie-Systeme AG · DE

Inventors

• René Eifler · Koblenz, DE
• Regine Kaufmann · Neuwied, DE
• Patrick Mohr · Mims, US

Key dates

• Filing date: May 19, 2010
• Grant date: Dec 5, 2017
• Expiry date: May 19, 2030

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T156/10
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The present invention relates to transdermal therapeutic systems that include an occlusive back layer impervious to an active substance, a single or multilayer matrix, and a peelable protective film. The matrix or at least one of the matrix layers includes a pharmaceutical active substance or a plurality of pharmaceutical active substances in the form of at least one pharmaceutically consumable salt thereof and a pharmaceutically consumable, alkaline reacting oxide.