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:
Sep. 17, 1996
Filed:
Jan. 26, 1995
Applicant:
Inventors:
Assignee:
Santen Pharmaceutical Co., Ltd., Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
514 61 ; 514 90 ; 5142275 ; 5142278 ; 544 57 ; 544 582 ; 544 584 ; 544 60 ; 544 56 ; 544 59 ;
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 hydroxy protective group;