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:
Feb. 09, 1993
Filed:
Aug. 29, 1991
Applicant:
Inventors:
Kazumichi Ushio, Nishinomiya, JP;
Kenichi Yoshida, Itami, JP;
Assignee:
Senju Pharmaceutical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
514552 ; 514912 ; 514725 ;
Abstract
Presented is a stable aqueous preparation for ophthalmic topical administration containing vitamin A or a vitamin A derivative having vitamin A activities to be used for the treatment of dry eye syndrome characterized in that it contains a buffering component selected from the group consisting of phosphoric acid, boric acid, citric acid, glutamic acid, .epsilon.-aminocaproic acid and the alkali metal salts thereof, a non-ionic surfactant and a chelating agent, that its acidity is adjusted in the range of pH 5 to pH 8, and that it is filled in a tight container made of polypropylene or polyethylene terephthalate.