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:
Jul. 10, 1990
Filed:
Nov. 20, 1987
Applicant:
Inventors:
Norihiko Shimazaki, Ibaraki, JP;
Keiji Hemmi, Ibaraki, JP;
Osamu Nakaguti, Toyonaka, JP;
Yoshio Miyazaki, Itami, JP;
Masashi Hashimoto, Ibaraki, JP;
Assignee:
Fujisawa Pharmaceutical Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514253 ; 514252 ; 514255 ; 544360 ; 544363 ; 544364 ; 544367 ; 544368 ; 544369 ; 544373 ; 544376 ; 544380 ; 544385 ;
Abstract
Diseases caused by platelet activating factor are prevented and treated by administration to a subject of a therapeutically effective amount of a piperazine compound of the formula: ##STR1## wherein R.sup.1 to R.sup.4 are as defined in the specification.