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:
Apr. 29, 2003
Filed:
Oct. 26, 2000
Applicant:
Inventors:
Christoph Arth, Dusseldorf, DE;
Andreas Kollmeyer-Seeger, Langenfeld, DE;
Stephan Rimpler, Hilden, DE;
Hans-Michael Wolff, Monheim, DE;
Assignee:
Schwarz Pharma AG, Monheim, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61L 1/516 ; A61K 9/14 ; A61F 1/500 ;
U.S. Cl.
CPC ...
A61L 1/516 ; A61K 9/14 ; A61F 1/500 ;
Abstract
A transdermal therapeutic system (TTS) for transcutaneous administration of oxybutynin over a period of several days, in addition to a method for the production of the TTS without the use of solvents, are disclosed. The TTS contains a matrix mass containing oxybutynin in the form of a self-adhesive layer. The matrix mass includes ammonium-group-containing (meth)acrylic polymers, at least one citric acid ester, and 5-25 wt. % oxybutynin.