The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 26, 2021
Filed:
Apr. 19, 2018
Applicant:
Hisamitsu Pharmaceutical Co., Inc., Tosu, JP;
Inventors:
Assignee:
HISAMITSU PHARMACEUTICAL CO., INC., Tosu, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/70 (2006.01); A61K 31/485 (2006.01); A61K 47/22 (2006.01); A61K 47/32 (2006.01); A61K 47/34 (2017.01);
U.S. Cl.
CPC ...
A61K 9/7046 (2013.01); A61K 31/485 (2013.01); A61K 47/22 (2013.01); A61K 47/32 (2013.01); A61K 47/34 (2013.01);
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.