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. 13, 2012
Filed:
Mar. 29, 2004
Nobuaki Eto, Takasaki, JP;
Rika Nagao, Takasaki, JP;
Tetsuko Kazama, Takasaki, JP;
Kyowa Hakko Kirin Co., Ltd., Tokyo, JP;
Abstract
An objective of the present invention is to provide compounds that can effectively suppress the concentration of phosphorus in serum to effectively prevent or treat diseases induced by an increase in concentration of phosphate in serum. The compounds according to the present invention are compounds represented by formula (I) and pharmaceutically acceptable salts and solvates thereof: wherein A represents an optionally substituted five- to nine-membered unsaturated carbocyclic moiety or a five- to nine-membered unsaturated heterocyclic moiety, and represents a single bond or a double bond, Rrepresents optionally substituted aryl or the like, Z represents —N═CHRRor the like, Rand Rrepresent H, optionally substituted alkyl, optionally substituted aryl or the like, Rand Rtogether form ═O, and Rand Rrepresent H, or Rand Rtogether from a bond, and Rand Rtogether form a bond.