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:
Jun. 22, 1993
Filed:
Sep. 27, 1991
Kikuo Yasuda, Yokohama, JP;
Kenyu Shibata, Inagi, JP;
Nobuyoshi Minami, Yokohama, JP;
Toshimi Seki, Kawasaki, JP;
Masafumi Shiraiwa, Kawasaki, JP;
Tomio Nakao, Inagi, JP;
Katsuhiko Miyasaka, Atsugi, JP;
Tsutomu Ishimori, Kawasaki, JP;
Kotaro Gotanda, Kawasaki, JP;
Takako Sasaki, Tokyo, JP;
Teikoku Hormone Mfg. Co., Ltd., Tokyo, JP;
Abstract
A pyridazinone compound represented by the general formula ##STR1## wherein Ar is ##STR2## in which R.sup.1, R.sup.2 and R.sup.3 may be identical or different, and each represents a hydrogen atom, a lower alkyl group, a trifluoromethyl group, a halogen atom, a cyano group or a nitro group, and R.sup.4 represents a hydrogen atom, a lower alkoxy group, or a lower alkyl group substituted by a lower alkoxy group or a carbamoyl group, and C* is an assymmetric carbon atom, or a salt thereof. This compound is useful for the treatment of diseases of the circulatory system.