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:
Sep. 03, 2024
Filed:
Oct. 04, 2021
Canon Kabushiki Kaisha, Tokyo, JP;
Hiroki Kagawa, Shizuoka, JP;
Shuhei Moribe, Shizuoka, JP;
Shuntaro Watanabe, Kanagawa, JP;
Hiroki Akiyama, Shizuoka, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A toner including toner particles having a resin component containing a crystalline resin and an amorphous resin, in which the resin component contains a tetrahydrofuran-insoluble component, and the content of the tetrahydrofuran-insoluble component with respect to the content of the resin component is 5.0% to 80.0% by mass, wherein a maximum endothermic peak temperature of the tetrahydrofuran-insoluble component is 55.0 to 80.0° C., and the amount of heat absorption in the maximum endothermic peak of the tetrahydrofuran-insoluble component is 10.0 to 80.0 J/g, and toner particles have a structure which comprises a matrix containing the crystalline resin and domains containing the amorphous resin.