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. 20, 1996
Filed:
Nov. 30, 1994
Applicant:
Inventors:
Yoichi Kawashima, Kyoto, JP;
Atsutoshi Ota, Osaka, JP;
Yuko Morikawa, Neyagawa, JP;
Hiroyuki Mibu, Osaka, JP;
Assignee:
Santen Pharmaceutical Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
5142242 ; 544 52 ; 514 90 ;
Abstract
This invention relates to the compounds of the formula [I] which are useful for the treatment of cataracts, and the synthetic intermediates of the formula [II], ##STR1## wherein R.sup.1 is hydroxy which can be protected by a protective group;