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:
Sep. 28, 1999
Filed:
Jan. 14, 1997
Muneo Takatani, Kyoto, JP;
Yumiko Shibouta, Suita, JP;
Kiminori Tomimatsu, Minoo, JP;
Tetsuji Kawamoto, Neyagawa, JP;
Takeda Chemical Industries, Ltd., Osaka, JP;
Abstract
Tricyclic compound of the formula: ##STR1## wherein ring A is a nitrogen-containing heterocyclic ring, having two nitrogen atoms as the hetero-atoms, which is optionally substituted with oxo or thioxo; ring Q may optionally be substituted; Y is an optionally substituted hydrocarbon group, an optionally substituted hydroxyl group or an optionally substituted mecapto group, excluding for methyl group as Y; R.sup.1 is a hydrogen atom, a halogen atom, an optionally substituted hydrocarbon group or an acyl group, or a salt thereof, having excellent PDGF-inhibiting activities, antihypertensive activities, activities of ameliorating renal diseases and activities of lowering lipid level.