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:
Mar. 20, 1979
Filed:
Nov. 29, 1976
Kazuyuki Nakagawa, Tokushima, JP;
Shiro Yoshizaki, Naruto, JP;
Shigeharu Tamada, Tokushima, JP;
Kaoru Tanimura, Tokushima, JP;
Otsuka Pharmaceutical Co., Ltd., Tokyo, JP;
Abstract
5-�1-Hydroxy-2-(heterocyclic-amino)!alkyl-8-hydroxy-3,4-dihydrocarbostyril derivatives having the formula (I) ##STR1## wherein R.sup.1 represents an alkyl group having 1 to 4 carbon atoms and A, when taken together with the nitrogen atom to which it is attached, form a 5- or 6-membered substituted or unsubstituted heterocyclic ring containing 1 or 2 nitrogen, or oxygen atoms as hetero atoms, the pharmaceutically acceptable acid addition salts thereof, and a process for preparing the same.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile