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.

Date of Patent:
Aug. 12, 2025

Filed:

Aug. 31, 2018
Applicant:

Lts Lohmann Therapie-systeme Ag, Andernach, DE;

Inventors:

Gabriel Wauer, Bad Neuenahr-Ahrweiler, DE;

Frank Seibertz, Bad Breisig, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/70 (2006.01); A61K 31/196 (2006.01); A61K 31/485 (2006.01); A61K 47/12 (2006.01); A61K 47/34 (2017.01); A61K 47/44 (2017.01); A61P 29/00 (2006.01);
U.S. Cl.
CPC ...
A61K 9/7053 (2013.01); A61K 9/7069 (2013.01); A61K 31/196 (2013.01); A61K 31/485 (2013.01); A61K 47/12 (2013.01); A61K 47/34 (2013.01); A61K 47/44 (2013.01); A61P 29/00 (2018.01);
Abstract

The present invention relates to a transdermal therapeutic system (TTS) comprising an active agent-containing layer structure comprising A) a backing layer and B) a biphasic matrix layer, the biphasic matrix layer having a) a continuous, outer phase having a composition comprising 70 to 100% by weight of at least one polymer, b) a discontinuous, inner phase having a composition comprising the active agent and a dissolver for the active agent in amount sufficient so that the active agent forms a solution with the dissolver in the inner phase and c) an emulsifier in an amount of 0.1 to 20% by weight based on the biphasic matrix layer, processes of manufacture and uses thereof, corresponding methods of treatments therewith.


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