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:
Jun. 28, 2016
Filed:
Jul. 21, 2010
Applicants:
Mamoru Naruse, Awa, JP;
Kenichi Hattori, Tokushima, JP;
Kunihiko Matsushita, Takamatsu, JP;
Inventors:
Assignee:
TEIKOKU SEIYAKU CO., LTD., Kagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/4468 (2006.01); A61P 25/04 (2006.01); A61K 9/70 (2006.01);
U.S. Cl.
CPC ...
A61K 31/4468 (2013.01); A61K 9/7053 (2013.01);
Abstract
Disclosed is a fentanyl-containing adhesive preparation for external use, wherein an adhesive layer is laminated on a supporting body. The adhesive layer contains SIS, a tackifier resin that is composed of a rosin resin and terpene resin, and a softener that is composed of a plybutene and a liquid paraffin. The adhesive layer also contains fentanyl as an active ingredient. The fentanyl-containing adhesive preparation for external use has excellent skin permeation of fentanyl and high preparation stability, without suffering from crystallization of fentanyl during storage.