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. 20, 2018
Filed:
Apr. 19, 2016
Toyama Chemical Co., Ltd., Shinjuku-ku, JP;
Keiichi Tanaka, Toyama, JP;
Kimiko Morimoto, Toyama, JP;
TOYAMA CHEMICAL CO., LTD., Shinjuku-ku, JP;
Abstract
A method for treating the relapsing-remitting or secondary progressive multiple sclerosis at the time of relapse, by administering a benzopyran derivative of the following formula or a salt thereof, where Rrepresents an optionally substituted Calkyl group, one of Rand Rrepresents a hydrogen atom, and the other of Rand Rrepresents a hydrogen atom, an optionally substituted amino group, an optionally substituted acylamino group, an optionally substituted carbamoyl group or an optionally substituted aryl group.
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