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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.:

US 4562256 B1

PDFFull Text
Date of Patent:
Dec. 31, 1985

Filed:

Aug. 17, 1984

1,6-dialkyl-3-su

Applicant:
Inventors:

Ikuo Adachi, Osaka, JP;

Teruo Yamamori, Hyogo, JP;

Motohiko Ueda, Osaka, JP;

Masami Doteuchi, Osaka, JP;

Assignee:

Shionogi & Co., Ltd., Osaka, JP;

Attorney:

Wenderoth, Lind & Ponack

Primary Examiner:

Henry R Jiles

Assistant Examiner:

Barbara Cassatt

Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546120 ;
Abstract

1,6-Dialkyl-3-substituted-4-nitrophenyl-4,7-dihydropyrazolo[3,4-b]pyridine- 5-carboxylic acid esters as Ca blocker having potent antihypertensive and coronary vasodilating actions and useful in treatment of diseases in circulatory system such as angina pectoris, hypertension, cerebrovascular dysfunction, arrhythmia, etc. with no systole inhibitory action, prepared from nitrobenzylideneacetoacetic acid esters on reaction with 3-substituted-5-amino-1-alkylpyrazoles.

Find Patent Forward Citations

Adachi, Ikuo. (1985). 1,6-dialkyl-3-su (U.S. Patent No. 4562256). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4562256

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