Patent ID: 6165499
Filing Date: 2000-12-26
Classification: A61K

Abstract:
A transdermal therapeutic system for application of an active substance-releasing layer of small thickness to a treatment site, characterized by a capillary active insoluble substrate having a thickness of 20-200 .mu.m bonded to a soluble separating layer having a thickness of 5-50 .mu.m, a film layer having a thickness of 5-50 .mu.m bonded to the soluble separating layer and which contains the active substance, and a protective layer having a thickness of 50-100 .mu.m provided with a nonstick finish contacting and covering the film layer on the side opposite to which the separating layer is bonded, wherein the separating layer comprises a material whose bond to the film layer may be abolished through solubilization, dissolution or liquefaction, following application of the layered system to the treatment site.