发明申请
US20050037059A1 Transdermal patch incorporating active agent migration barrier layer 有权
包含活性剂迁移阻挡层的透皮贴剂

Transdermal patch incorporating active agent migration barrier layer
摘要:
Devices for administration of one or more active agents to the skin or mucosa of a host are formed in the nature of a double-disk patch. One outer layer functions as the primary adhesive layer for adhering the patch to the host. The other inner layer contains at least one active agent to be administered to the host. The inner layer is bonded to the outer layer through an opening provided in an interposed active agent impermeable release layer. The release layer separates a circumferential portion of the active agent containing inner layer from the outer adhesive layer to inhibit migration of the active agent therebetween.
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