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:
Jul. 18, 2000
Filed:
Jul. 18, 1997
Applicant:
Inventors:
Kazuhisa Ninomiya, Osaka, JP;
Yasuhiro Fukushima, Osaka, JP;
Mutsuo Okumura, Saitama, JP;
Yuko Hosokawa, Saitama, JP;
Assignees:
Nitto Denko Corporation, Osaka, JP;
Nikken Chemicals Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
424448 ; 424449 ;
Abstract
Disclosed is a buprenorphine percutaneous absorption preparation comprising a backing having formed on one side thereof a pressure-sensitive adhesive layer containing at least one of buprenorphine and a salt thereof, wherein the pressure-sensitive adhesive layer contains an acrylic copolymer and crosslinked acrylic copolymer particles. The buprenorphine percutaneous absorption preparation has excellent pressure-sensitive adhesive characteristics and exerts excellent percutaneous absorption property.