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:
May. 03, 1977
Filed:
Aug. 21, 1975
Applicant:
Inventors:
Masuo Murakami, Tokyo, JA;
Kozo Takahashi, Tokyo, JA;
Teruaki Ozasa, Ageo, JA;
Kazuharu Tamazawa, Shiraoka, JA;
Ryutaro Kawai, Shiraoka, JA;
Toichi Takenaka, Tokyo, JA;
Norio Sato, Shiraoka, JA;
Assignee:
Yamanouchi Pharmaceutical Co., Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602 / ; 2602 / ; 2602 / ; 424266 ;
Abstract
Novel 1-substituted-1, 4-dihydropyridine derivatives, particularly diethyl 1-ethoxymethyl-4-(3-nitrophenyl)-2, 6-dimethyl-1, 4-dihydropyridine-3,5-dicarboxylate are provided. The novel derivatives have cerebral vascular dilator activity with low toxicity.