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.

Date of Patent:
Jan. 17, 1989

Filed:

Apr. 21, 1987
Applicant:
Inventors:

Hiroyoshi Hidaka, Tshu, JP;

Anri Morikawa, Narashino, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
546139 ; 540454 ; 540485 ; 540544 ; 540597 ; 544128 ; 546141 ;
Abstract

An isoquinoline derivative represented by the formula (I) ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and A are as defined in the disclosure, or a pharmacologically acceptable acid salt thereof. These compounds have an excellent relaxation action on blood vessels, particularly coronary arteries, and on bronchial tubes. Accordingly, the compounds can be advantageously utilized as drugs for prevention and treatment of angina, myocardial infarction, cardiovascular thrombosis, cerebrovascular thrombosis, hypertonia, asthma and other various circulatory and respiratory organ diseases.


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Hidaka, Hiroyoshi. (1989). Isoquinoline derivatives (U.S. Patent No. 4798897). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4798897

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