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:
Aug. 20, 2013
Filed:
Apr. 30, 2010
Applicants:
Satoshi Amano, Tsukuba, JP;
Tomohiro Shinoda, Tsukuba, JP;
Natsumi Kase, Tsukuba, JP;
Inventors:
Assignee:
Hisamitsu Pharmaceutical Co., Inc., Saga, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/70 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a transdermal preparation, which is capable of long-term (1-day to 7-day) release of a basic drug from a preparation, continuously and at a consistent concentration; shows little reduction over time in the drug content, even if multiple drugs are contained in the preparation; and is produced by a simple process. The transdermal preparation comprises a substrate, and an adhesive layer containing a basic drug and a water-soluble polymer.