摘要：

A transdermal therapeutic system having a layered structure, comprising a backing layer (1) and at least one active substance- containing matrix layer (2), for storage purposes being placed onto a removable protective layer (4) coated with an abherent (3) is characterized in that said abherent (3) has a lower diffusion coefficient for the active substance used than the base materials used in the matrix layer (2) or in the matrix layers.

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