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. 23, 2020
Filed:
Jan. 27, 2017
Fujiyakuhin Co., Ltd., Saitama-shi, JP;
Seiichi Kobashi, Saitama, JP;
Yoshinobu Aoyagi, Saitama, JP;
Hiroshige Kato, Saitama, JP;
Ryuko Tokuyama, Saitama, JP;
Naoki Ashizawa, Saitama, JP;
Koichi Ishida, Saitama, JP;
Koji Matsumoto, Saitama, JP;
FUJIYAKUHIN CO., LTD., Saitama-shi, JP;
Abstract
It is intended to provide a novel bisphosphonic acid compound or a salt thereof which shows a remarkable inhibitory effect on ectopic calcification, and a pharmaceutical composition comprising the same. The present invention provides a bisphosphonic acid compound represented by the following formula (1) or a pharmaceutically acceptable salt thereof: whereinrepresents a single bond or a double bond; A represents a saturated cyclic hydrocarbon or a saturated heterocyclic ring comprising a sulfur atom or an oxygen atom; and Rand Reach independently represent an alkyl group, an alkenyl group, an alkynyl group, an alkoxy group, an aryloxy group, a haloalkoxy group, a haloalkyl group, a halogen atom or a hydrogen atom.