The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 28, 2023
Filed:
Jan. 19, 2008
Bodo Asmussen, Bendorf, DE;
Michael Horstmann, Neuweid, DE;
Christoph Schmitz, Rheinbrohl, DE;
Mohammad Sameti, Bonn, DE;
Yves-thorsten Przybylla, Nickenich, DE;
Rolf Pracht, Höhr-Grenzhausen, DE;
Bodo Asmussen, Bendorf, DE;
Michael Horstmann, Neuweid, DE;
Christoph Schmitz, Rheinbrohl, DE;
Mohammad Sameti, Bonn, DE;
Yves-Thorsten Przybylla, Nickenich, DE;
Rolf Pracht, Höhr-Grenzhausen, DE;
LTS Lohmann Therapie-Systeme AG, Andernach, DE;
Abstract
The invention relates to a transdermal therapeutic system for the controlled release of water-soluble pharmaceutical active ingredients from an aqueous phase, comprising an occlusive back layer, a central device facing the skin for releasing the agent, an adhesive layer concentrically surrounding the dispensing device and a removable protective film. Said device is made from a stationary solid phase and a liquid phase containing the active ingredient in aqueous solution, the solid phase being formed from a solid with a fleecy or spongy structure.