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. 05, 1990
Filed:
Dec. 19, 1988
Applicant:
Inventors:
Hisashi Takasugi, Osaka, JP;
Atsushi Kuno, Osaka, JP;
Hiroyoshi Sakai, Kyoto, JP;
Yoshie Sugiyama, Hyogo, JP;
Takao Takaya, Kawanishi, JP;
Assignee:
Fujisawa Pharmaceutical Company, Ltd., Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
514252 ; 544238 ;
Abstract
The invention relates to diphenylpyridazine compounds useful in the treatment of cerebrovascular disease, of the formula: ##STR1## wherein R.sup.1 is piperazinyl(lower)alkyl, carbamoyl substituted with piperazinyl(lower)alkyl, or piperazinylcarbonyl, in each of which a piperazinyl group may be substituted with lower alkyl,