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:
Nov. 15, 1994
Filed:
Jan. 23, 1992
Applicant:
Inventors:
Kazuharu Tamazawa, Saitama, JP;
Tadao Kojima, Saitama, JP;
Hideki Arima, Tokyo, JP;
Yukiyasu Murakami, Saitama, JP;
Yasuo Isomura, Tokyo, JP;
Minoru Okada, Tokyo, JP;
Toichi Takenaka, Tokyo, JP;
Kiyoshi Takanobu, Saitama, JP;
Assignee:
Yamanouchi Pharmaceutical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
514343 ; 546281 ;
Abstract
The diastereoisomer A of a dihydropyridine-3,5-dicarboxylic acid ester derivative is provided as well as its pharmaceutically acceptable acid addition salts. The invention further discloses a process for producing the compounds and their use as medicaments in imparting vasodilating activity.