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:
Aug. 28, 1990
Filed:
Oct. 10, 1989
Applicant:
Inventors:
Yutaka Kawashima, Tatebayashi, JP;
Masakazu Sato, Konosu, JP;
Masahiro Kawase, Ageo, JP;
Yoshiaki Watanabe, Kodaira, JP;
Katsuo Hatayama, Omiya, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
540200 ; 514822 ;
Abstract
A 2-azetizinone derivative represented by the formula: ##STR1## wherein R.sup.1 is a halogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms or an alkoxycarbonyl group in which the alkoxy group has 1 to 4 carbon atoms, R.sup.2 is a group represented by the formula ##STR2## a pyrrolidinyl group or a tetrahydroazepinyl group, and n is an integer of from 2 to 10, and a salt thereof are disclosed. These compounds are useful as blood platelet aggregation inhibiting agent.