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. 08, 1997
Filed:
Jan. 07, 1994
Applicant:
Inventors:
Kazuhiko Tsutsumi, Tokushima, JP;
Yasuhide Inoue, Naruto, JP;
Chieko Yoshida, Naruto, JP;
Yoshihiko Tsuda, Naruto, JP;
Assignee:
Otsuka Pharmaceutical Factory, Inc., Tokushima-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
514 75 ; 514563 ; 514912 ;
Abstract
The present invention provides an agent for preventing and treating cataract comprising, as an active ingredient, a carboxylic acid amide derivative represented by the general formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and X are as defined above. The present invention has a marked preventive and therapeutic effect on the cataract belonging to various classifications and particularly on the diabetic cataract.