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:
Jul. 20, 2021
Filed:
Mar. 14, 2018
Sumitomo Dainippon Pharma Co., Ltd., Osaka, JP;
Toshio Kanai, Osaka, JP;
Kohei Iwamoto, Osaka, JP;
Sumitomo Dainippon Pharma Co., Ltd., Osaka, JP;
Abstract
The present invention relates to a medicament for treating or preventing a disease involving Na channel, for example, neuropathic pain, nociceptive pain, inflammatory pain, small-fiber neuropathy, erythromelalgia, paroxysmal extreme pain disorder, dysuria, or multiple sclerosis, comprising a compound of formula (I) wherein R, R, R, and Rare hydrogen, halogen, cyano, Calkyl, Calkoxy, etc., provided that at least one of R, R, Rand Ris the above Caryl, Caryloxy, etc., Rand Rare hydrogen, Calkyl, Ccycloalkyl, etc., Ris hydrogen, Calkyl, Ccycloalkyl, etc., m is 0, 1, or 2, L is CRR, Rand Rare hydrogen, hydroxy group, Calkyl, Calkoxy, etc., or a pharmaceutically acceptable salt thereof.