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.

Date of Patent:
Jun. 24, 2008

Filed:

Jul. 10, 2002
Applicant:

Walter Müller, Andernach, DE;

Inventor:

Walter Müller, Andernach, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention relates to a transdermal therapeutic systems with fentanyl or an analogous fentanyl derivative as active ingredient. In order to prevent inadvertent overdosage by uncontrolled release of active ingredient as a result of damage, the active ingredient is contained in fluid-filled micro-reservoirs in the layer containing the active ingredient. The layer containing the active ingredient can optionally be provided with a membrane.


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