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:
Oct. 09, 2007
Filed:
Aug. 14, 2000
Applicant:
Achim Berthold, Darmstadt, DE;
Inventor:
Achim Berthold, Darmstadt, DE;
Assignee:
LTS Lohmann Therapie-Systems AG, Andernach, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61F 13/00 (2006.01); A61K 9/70 (2006.01); A61K 9/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
Active substance-containing therapeutic system for application on the skin, comprising at least two polymer-containing layers, characterized in that the polymers used for the different layers differ in their glass transition temperature (see FIG.).