Patent ID: 9095691
Filing Date: 2015-08-04
Classification: A61K,A61P

Abstract:
1. A transdermal therapeutic system (TTS) consisting of: a backing layer, at least one UV-absorber containing self-adhesive layer, at least one separating layer, at least one active ingredient-containing matrix layer, and optionally a detachable sheet, wherein: i) the at least one UV absorber-containing self-adhesive layer is provided between the backing layer and the active ingredient-containing matrix layer which is furthest away from the surface of the skin, ii) the at least one active ingredient-containing matrix layer contains at least one active ingredient which is a photosensitive active ingredient, iii) the at least one separating layer has a layer thickness of from 4 to 23 μm, is impermeable to the active ingredient and impermeable to the UV absorber, and at least one separating layer is present between the UV absorber-containing self-adhesive layer and the active ingredient-containing matrix layer which is furthest away from the surface of the skin.