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:
Apr. 16, 2013
Filed:
Jul. 06, 2010
Hideharu Chono, Tsukuba, JP;
Toshiro Yamaguchi, Tsukuba, JP;
Hisakazu Kurita, Tsukuba, JP;
Tetsuro Tateishi, Tsukuba, JP;
Naruhito Higo, Tsukuba, JP;
Hideharu Chono, Tsukuba, JP;
Toshiro Yamaguchi, Tsukuba, JP;
Hisakazu Kurita, Tsukuba, JP;
Tetsuro Tateishi, Tsukuba, JP;
Naruhito Higo, Tsukuba, JP;
Hisamitsu Pharmaceutical Co., Inc., Saga, JP;
Abstract
A patch formulation for external use where a basic drug, an organic acid and an organic acid salt are combined as essential components is disclosed. The basic drug is preferably in the form of its acid addition salt. The organic acid is preferably a carboxylic acid having carbon atoms of 2 to 7, and more preferably at least one acid selected from the group consisting of acetic, lactic, tartaric, citric, malic, benzoic and salicylic acids. The organic acid salt is preferably a metal salt of a carboxylic acid, and more preferably sodium acetate.