Patent ID: 8882729
Filing Date: 2014-11-11
Classification: A61K,A61P

Abstract:
1. A transdermal therapeutic system (TTS) comprising the following layers: a backing layer (T); an active ingredient layer (R); a membrane layer (M); and optionally an adhesive layer (K); wherein the backing layer (T) is impervious to an alkaline active ingredient (W); wherein the active ingredient layer (R) comprises: wherein the membrane layer (M) comprises a polymeric component (P2); wherein the alkaline active ingredient (W) is released from the active ingredient layer (R) only after moisture migrates in from the outside of the TTS through the membrane layer (M) so as to contact the active component (WK); and wherein the active ingredient layer (R) is arranged in between the backing layer (T) and the membrane layer (M).