Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Toshiyuki Matsudo0
Kenji Ishigaki0
Takito Shima0
Date of Patent
January 26, 2021
0Patent Application Number
166043110
Date Filed
April 19, 2018
0Patent Primary Examiner
Patent 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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