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:
Sep. 12, 2023
Filed:
May. 20, 2015
Lts Lohmann Therapie-systeme Ag, Andernach, DE;
Marco Emgenbroich, Rheinbach, DE;
Johannes Josef Leonhard, Bendorf, DE;
Kristina Kassner, Bergisch Gladbach, DE;
Aurélia Lappert, Woluwe Saint Pierre, BE;
LTS Lohmann Therapie-Systeme AG, Andernach, DE;
Abstract
Transdermal therapeutic system for the transdermal administration of a systemically active agent comprising a self-adhesive layer structure, comprising A) a backing layer, and B) a dried biphasic layer, the dried biphasic layer having a) an outer phase having a composition comprising 75% to 100% of a polymer or polymer mixture, and b) an inner phase having a composition comprising at least one active agent, wherein the inner phase forms dispersed deposits in the outer phase, and c) 0.1% to 3.5% of an interface mediator with a kinematic viscosity of from 10 cSt to 100 000 cSt at 25° C., and C) optionally an additional skin contact layer.