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:
Jan. 05, 2021
Filed:
Jun. 16, 2009
Christoph Schmitz, Rheinbrohl, DE;
Mohammad Sameti, Bonn, DE;
Andreas Koch, Melsbach, DE;
Michael Horstmann, Neuwied, DE;
Christoph Schmitz, Rheinbrohl, DE;
Mohammad Sameti, Bonn, DE;
Andreas Koch, Melsbach, DE;
Michael Horstmann, Neuwied, DE;
LTS Lohmann Therapie-Systeme AG, Andernach, DE;
Abstract
A composition for transdermal delivery, particularly iontophoretic transdermal delivery, having at least one cationic active agent or a salt thereof. The composition comprises at least one cationic active agent or a salt thereof, at least one polyamine and/or polyamine salt, water or an aqueous solvent mixture, and optionally one or more additives. Use of the composition as a component of a transdermal patch or of an iontophoretic transdermal patch is also provided, as well as the use of the composition in a method for transdermally or iontophoretically administering cationic active agents. A method for determining the in vitro skin permeation properties of an active agent-containing iontophoretic composition is also provided.