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. 06, 2024
Filed:
Mar. 09, 2021
Canon Kabushiki Kaisha, Tokyo, JP;
Koji Nishikawa, Shizuoka, JP;
Yasuhiro Hashimoto, Shizuoka, JP;
Yuujirou Nagashima, Shizuoka, JP;
Tomoya Nagaoka, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A toner comprising: a toner particle that comprises a core particle comprising a binder resin, and a shell layer comprising a thermoplastic resin on a surface of the core particle; and organosilicon polymer particles on a surface of the toner particle, wherein a peak top molecular weight of the thermoplastic resin, according to measurement by gel permeation chromatography, is 30000 to 500000, a number-average primary particle diameter of the organosilicon polymer particles is 10 nm to 500 nm, and an absolute value of a difference (ΔSP) between an SP value (SP) of the organosilicon polymer particles and an SP value (SP) of the thermoplastic resin present in the shell layer is not more than 2.30.