Patent ID: 9439873
Filing Date: 2016-09-13
CPC Classification: A61K

Claim Text:
1. A transdermal therapeutic system comprising: an active ingredient depot containing at least one active ingredient; a backing layer covering a first surface of the active ingredient depot; an application face on a second surface of the active ingredient depot, opposite the first surface, the application face having a skin-contacting surface that is designed for application to a skin, the application face being adhesive on at least some parts of the skin-contacting surface; and a protective film that covers the application face and comprises a first protective film part having a first edge and contacting and covering a first portion of the application face, and a non-overlapping second protective film part having an edge immediately adjacent to the first edge and contacting and covering a second portion of the application face, wherein the second portion is different from the first portion, and the first protective film part differs, in terms of its physical properties, from the second protective film part such that the first protective film part has a different strength of adhesion to the application face compared with the strength of adhesion of the second protective film part to the application face, the first protective film part has a different removability from the application face compared with the removability of the second protective film part from the application face, and the first protective film part has a different thickness compared with the second protective film part.