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. 17, 2021
Filed:
Jan. 29, 2016
Medrx Co., Ltd., Kagawa, JP;
Katsuhiro Yamanaka, Kagawa, JP;
MEDRX CO., LTD., Kagawa, JP;
Abstract
The purpose of the present invention is to provide an aqueous preparation for external use, said aqueous preparation comprising an acidic drug such as an arylacetic acid nonsteroidal anti-inflammatory analgesic, having an excellent percutaneous absorbability and giving a good feeling in use. The aqueous preparation for external use comprises the acidic drug or a salt thereof, isostearic acid and an alkanol amine. It is preferred that the aqueous preparation according to the present invention for external use further comprises a Caliphatic hydroxy acid and has a pH value of 4.5-7.8. The Caliphatic hydroxy acid is one member or a combination of the same selected from the group consisting of lactic acid, glycolic acid, malic acid, tartaric acid and citric acid.