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:
Dec. 16, 2019
Lts Lohmann Therapie-systeme Ag, Andemach, 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
The invention relates to a composition for transdermal delivery, particularly iontophoretic transdermal delivery, of at least one cationic active agent or a salt thereof. The composition includes at least one cationic active agent or a salt thereof, at least one polyamine or/and polyamine salt, water or an aqueous solvent mixture, and optionally one or more additives. The invention further relates to the use of such composition as a component of a transdermal patch or of an iontophoretic transdermal patch, as well as to the use of such composition in a method for transdermally and/or iontophoretically administering cationic active agents. The invention further includes methods for determining the in vitro skin permeation properties of an active-agent-containing iontophoretic composition.