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:
Apr. 03, 2018
Filed:
Dec. 31, 2015
Toshiba Tec Kabushiki Kaisha, Shinagawa-ku, Tokyo, JP;
Kabushiki Kaisha Pilot Corporation, Chuo-ku, Tokyo, JP;
The Pilot Ink Co., Ltd., Nagoya-shi, Aichi, JP;
Masahiro Ikuta, Shizuoka-ken, JP;
Takahito Kabai, Shizuoka-ken, JP;
Takayasu Aoki, Shizuoka-ken, JP;
Tsuyoshi Itou, Shizuoka-ken, JP;
TOSHIBA TEC KABUSHIKI KAISHA, Tokyo, JP;
KABUSHIKI KAISHA PILOT CORPORATION, Tokyo, JP;
THE PILOT INK CO., LTD., Aichi, JP;
Abstract
Disclosed is a decolorizable electrophotographic toner, including: a binder resin; and a colorant which contains at least a color developable compound and a color developing agent and is covered with an outer shell so as to have a capsule structure, wherein the number ratio of particles having an equivalent circle diameter of 0.6 μm or more and 2.5 μm or less of the toner when measured using a flow particle image analyzer after the toner is dispersed in an aqueous medium at a ratio of 0.08% by weight and the resulting dispersion is subjected to a stirring treatment in which stirring is performed at 5000 rpm for 30 minutes using a homogenizer (T-25 digital ULTRA-TURRAX (manufactured by IKA Japan K.K., provided with a shaft generator S25N-10G)) is 30% by number or less.