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. 22, 2017
Filed:
Sep. 06, 2013
Rikkyo Educational Corporation, Tokyo, JP;
Josho Gakuen Educational Foundation, Osaka, JP;
Hiroaki Tokiwa, Tokyo, JP;
Masahiro Irie, Tokyo, JP;
Kiyoshi Ikeda, Hiroshima, JP;
Tadamune Otsubo, Hiroshima, JP;
RIKKYO EDUCATIONAL CORPORATION, Tokyo, JP;
JOSHO GAKUEN EDUCATIONAL FOUNDATION, Osaka, JP;
Abstract
A diarylethene compound represented by formula (I) wherein, Sg is a monovalent sugar residue formed by removing one hydroxyl group from a sugar compound or a monovalent protected sugar residue formed by removing one hydroxyl group from a sugar compound in which one or more other hydroxyl groups are protected, and wherein the sugar is selected from the group consisting of a six-membered ring sugar, a five-membered ring sugar, cyclitol, and oligosaccharides containing a six-membered ring sugar, a five-membered ring sugar, or cyclitol;