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. 09, 1998
Filed:
Jun. 10, 1994
Applicant:
Inventors:
Hiroshi Ikawa, Tokyo, JP;
Akiyoshi Kadoiri, Tokyo, JP;
Yasuko Konagai, Tokyo, JP;
Tetsuaki Yamaura, Tokyo, JP;
Noriko Kase, Tokyo, JP;
Assignee:
Fujirebio Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
546250 ; 546317 ; 546321 ; 5462817 ;
Abstract
1,4-dihydropyridine derivatives and optically active 1,4-dihydropyridine derivatives with the following formula, having vasodilating activity based on calcium antagonism, and PAF antagonism, and methods of producing the same are disclosed: ##STR1## wherein (*) indicates a chiral center in the case of the optically active 1,4-dihydropyridine derivatives.