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:
Aug. 26, 2025
Filed:
Jul. 28, 2023
Sumitomo Pharma Co., Ltd., Osaka, JP;
Hitoshi Watanabe, Osaka, JP;
Shuya Yamada, Osaka, JP;
Katsushi Kitahara, Osaka, JP;
Mariko Kobayashi, Osaka, JP;
Sumitomo Pharma Co., Ltd., Osaka, JP;
Abstract
The present invention relates to a medicament for treating or preventing central nervous system disease whose cause is related to abnormal aggregation of proteins in the brain, which comprises as an active ingredient a compound of formula (1) or a pharmaceutically acceptable salt thereof, wherein Rand Rare hydrogen, etc., Rand Rare hydrogen, Calkyl, etc., Ris halogen, Calkyl, etc., Ris hydrogen, halogen, etc., X is oxygen, etc., Y is carbon, etc., m and n are an integer of 0, 1, etc., r and s are 0, 1, 2, etc., Hy is pyridine ring, etc., which has an action of suppressing or reducing the accumulation of abnormal aggregation of proteins in the brain.