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:
May. 08, 2012
Filed:
May. 02, 2008
Chiyoshi Kasahara, Chuo-ku, JP;
Hitoshi Yamazaki, Chuo-ku, JP;
Chiyoshi Kasahara, Chuo-ku, JP;
Hitoshi Yamazaki, Chuo-ku, JP;
Astellas Pharma Inc., Tokyo, JP;
Wakunaga Pharmaceutical Co., Ltd., Osaka-shi, JP;
Abstract
A compound represented by the formula (I): wherein Ris lower alkyl, cycloalkyl or aromatic hydrocarbon ring, each of which is optionally substituted with one or more substituents; Ris hydrogen atom, halogen atom, lower alkyl, halo(lower)alkyl or lower alkoxy; and Ris (1) a group represented by the formula: wherein Ris lower alkyl, etc.; (2) a group represented by the formula: wherein Ris lower alkyl, etc.; (3) a group represented by the formula: wherein Ris lower alkyl, etc.; or (4) a group selected from halogen atom, carboxy, hydroxy and lower alkoxy, or a salt thereof.