| 摘要 |
PCT No. PCT/EP96/02735 Sec. 371 Date Jan. 28, 1998 Sec. 102(e) Date Jan. 28, 1998 PCT Filed Jun. 24, 1996 PCT Pub. No. WO97/04818 PCT Pub. Date Feb. 13, 1997A 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. |
