Transdermal therapeutic system with high rate of utilization of active substance and dosing accuracy

US9717698B2 · kind B2 · utility

Assignee

• LTS Lohmann Therapie-Systeme AG · DE

Inventors

• Michael Horstmann · Neuwied, DE
• Walter Mueller · Andernach, DE

Key dates

• Filing date: Jul 21, 2016
• Grant date: Aug 1, 2017
• Expiry date: Jul 21, 2036

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61L2300/402
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A transdermal therapeutic system for administering at least one active pharmaceutical ingredient, including a polymer-based layer which is remote from the skin with a rate of application of at least 80 g/m2, and an adhesive skin-contact layer which is adjacent to the polymer-based layer remote from the skin and is based on acrylate copolymers with a rate of application of not more than 50 g/m2. The at least one active pharmaceutical ingredient is present in both the polymer-based layer remote from the skin and the skin-contact layer.