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公开(公告)号：US20200054575A1
公开(公告)日：2020-02-20
申请号：US16604311
申请日：2018-04-19
Applicant: HISAMITSU PHARMACEUTICAL CO., INC.
Inventor： Takito SHIMA , Toshiyuki MATSUDO , Kenji ISHIGAKI
IPC: A61K9/70 , A61K31/485 , A61K47/22 , A61K47/32 , A61K47/34
Abstract: A patch comprises a backing layer and an adhesive layer, wherein the adhesive layer contains at least one selected from the group consisting of butorphanol and pharmaceutically acceptable salts thereof, and contains an adhesive base and an antioxidant containing a sulfur atom in its molecule.
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