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:
Jul. 28, 2015
Filed:
Nov. 16, 2007
Applicants:
Thomas Hille, Koblenz, DE;
Michael Horstmann, Neuwied, DE;
Walter Mueller, Andernach, DE;
Inventors:
Assignee:
LTS Lohmann Therapie-Systeme AG, Andernach, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/00 (2006.01); A61K 31/439 (2006.01); A61K 31/19 (2006.01); A61K 9/70 (2006.01); A61K 31/195 (2006.01); A61K 31/4164 (2006.01); A61K 31/437 (2006.01); A61K 31/4439 (2006.01); A61K 31/445 (2006.01); A61K 31/485 (2006.01); A61K 31/505 (2006.01); A61K 31/535 (2006.01); A61K 31/60 (2006.01);
U.S. Cl.
CPC ...
A61K 31/19 (2013.01); A61K 9/7092 (2013.01); A61K 31/195 (2013.01); A61K 31/4164 (2013.01); A61K 31/437 (2013.01); A61K 31/445 (2013.01); A61K 31/4439 (2013.01); A61K 31/485 (2013.01); A61K 31/505 (2013.01); A61K 31/535 (2013.01); A61K 31/60 (2013.01);
Abstract
The invention relates to a transdermal therapeutic system which comprises a back layer that is impermeable to the active substance, and a peelable protective layer that is impermeable to the active substance and at least one matrix layer consisting of polysiloxanes and/or polysiloxane derivatives and containing micro-reservoirs. Said micro-reservoirs contain at least one ion pair from a pharmacologically active substance and an additive and either the active substance is nucleophilic and the additive is electrophilic or the active substance is electrophilic and the additive is nucleophilic.