MICHAEL HORSTMANN,GERD HOFFMANN,SANDRA WIEDERSBERG
申请号：
BRPI0821975
公开号：
BRPI0821975A2
申请日:
2008.12.09
申请国别(地区):
BR
年份:
2015
代理人:
摘要：
The invention relates to a transdermal therapeutic system (TTS) for administering pharmaceutical agents through the skin, comprising a back layer (R) impermeable to the agent and at least one layer (S) comprising the agent, wherein the layer (H) facing the skin comprises urea in solid form, allowing continuous administration of large quantities of agent over a long period of time.
