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. 10, 2012
Filed:
Dec. 20, 2006
Hidekazu Suzuki, Tokyo, JP;
Kuniko Koichi, Tokyo, JP;
Kouhei Yoda, Tokyo, JP;
Wakamoto Pharmaceutical Co., Ltd., Tokyo, JP;
Abstract
The invention provides an azithromycin-containing aqueous pharmaceutical composition, which comprises at least one member selected from the group consisting of azithromycin, and pharmaceutically acceptable salts thereof, and at least one member selected from the group consisting of monoethanolamine, diethanolamine, triethanolamine, and pharmaceutically acceptable salts thereof, and which does not comprise boric acid or pharmaceutically acceptable salts thereof, and a method for the preparation of the composition, wherein an azithromycin-containing liquid is maintained at pH of 4.0 or higher throughout the method for the preparation. The composition has good heat and storage stability.