Reservoir system with closed membrane

US8440222B2 · kind B2 · utility

Assignee

• ACINO AG · DE

Inventors

• Heike Hausner · Holzkirchen, DE
• Sebastian Braun · Rüsselsheim am Main, DE
• Heiko Spilgies · Koblenz, DE

Key dates

• Filing date: Dec 31, 2009
• Grant date: May 14, 2013
• Expiry date: Apr 4, 2030

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P29/00
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A dermal or transdermal therapeutic system comprising a reservoir that contains at least one active substance, an active substance-permeable membrane which delimits the active-substance reservoir, and a closing layer. The closing layer is impermeable to the active substance at a temperature lying below the skin temperature while being permeable at skin temperature and above.