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:
Nov. 09, 2021
Filed:
Jul. 22, 2020
Canon Kabushiki Kaisha, Tokyo, JP;
Noritaka Toyoizumi, Mishima, JP;
Takashi Kenmoku, Mishima, JP;
Yuzo Seino, Gotemba, JP;
Kenta Kamikura, Yokohama, JP;
Yu Yoshida, Mishima, JP;
Akane Masumoto, Suntou-gun, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A toner including a toner particle, wherein the toner particle includes a toner base particle containing a binder resin, and a shell on the surface of the toner base particle; the shell contains a metal compound and an organosilicon polymer; the shell has at least an exposed portion of the metal compound and an exposed portion of the organosilicon polymer, on the surface of the toner particle; and in an analysis of a cross section of the toner particle by TEM-EDX, Ha (nm) and Hb (nm) which are average distances from the interface of the toner base particle and the shell up to the toner particle surface at the exposed portion of the metal compound and at the exposed portion of the organosilicon polymer, respectively, on the toner particle surface, satisfy Expression (1) below:+20.0  (1).