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. 23, 1991
Filed:
Jun. 29, 1989
Applicant:
Inventors:
Etsuo Oshima, Shizuoka, JP;
Hiroyuki Obase, Mishima, JP;
Akira Karasawa, Shizuoka, JP;
Kazuhiro Kubo, Shizuoka, JP;
Ichiro Miki, Tokyo, JP;
Akio Ishii, Shizuoka, JP;
Assignee:
Kyowa Hakko Kogyo Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; C07C / ;
U.S. Cl.
CPC ...
514510 ; 514445 ; 514447 ; 514448 ; 514457 ; 514471 ; 514472 ; 514480 ; 514507 ; 514581 ; 514586 ; 514590 ; 514595 ; 514602 ; 514604 ; 514605 ; 514693 ; 549 65 ; 549 66 ; 549 69 ; 549 72 ; 549399 ; 549404 ; 549405 ; 549479 ; 549480 ; 549487 ; 549488 ; 558233 ; 558239 ; 560 10 ; 560312 ; 560314 ; 560315 ; 560 24 ; 560 32 ; 560 34 ; 560 42 ; 562427 ; 562439 ; 562451 ;
Abstract
Novel tricyclic compounds having a TXA.sub.2 -antagonizing activity represented by formul (I): ##STR1## which strongly antagonize an action of thromboxane A.sub.2 and are expected to have preventive and therapeutic effects on ischemica diseases, cerebro-vascular diseases, etc.