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:
Jun. 28, 1994
Filed:
Dec. 02, 1991
Applicant:
Inventors:
Yasuo Sekine, Yokohama, JP;
Tetsuaki Yamaura, Niiza, JP;
Masato Nishimura, Hachioji, JP;
Eri Kojima, Tokyo, JP;
Yasuko Emoto, Sagamihara, JP;
Yasushi Higashide, Hachioji, JP;
Assignee:
Fujirebio Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; A61K / ;
U.S. Cl.
CPC ...
514252 ; 514218 ; 514255 ; 514317 ; 514318 ; 514319 ; 514326 ; 514327 ; 514397 ; 514398 ; 514399 ; 514400 ; 514424 ; 514426 ; 514438 ; 514471 ; 540575 ; 544360 ; 544379 ; 544383 ; 544393 ; 544396 ; 544397 ; 544400 ;
Abstract
A naphthoic acid derivative represented by the following general formula or a salt thereof: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are each independently a hydrogen atom, a halogen atom, a hydroxyl group, a lower alkyl group, a lower alkoxy group, a lower alkanoyloxy group, a hydroxy-lower alkyl group, a lower alkoxy-lower alkyl group, a lower alkanoyloxy-lower alkyl group or an aralkyloxy group;