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. 07, 2023
Filed:
Mar. 02, 2021
Canon Kabushiki Kaisha, Tokyo, JP;
Kentaro Kamae, Kanagawa, JP;
Takeshi Hashimoto, Ibaraki, JP;
Takeshi Ohtsu, Ibaraki, JP;
Hayato Ida, Ibaraki, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A toner comprising a toner particle that contains a binder resin and a wax, wherein the binder resin contains an amorphous polyester resin, a polymer A, and a component B, a content of the amorphous polyester resin in the binder resin is at least 50.0 mass %, the polymer A has first monomer units represented by Formula (C) below and second monomer units, Rrepresents a hydrogen atom or a methyl group, R represents a C18 to C36 alkyl group, a content ratio of the first monomer units in the polymer A is from 5.0 mol % to 60.0 mol %, an SP value of the second monomer units is at least 21.00, a content of the polymer A in the binder resin is from 0.10 mass % to 10.00 mass %, and SP values of the amorphous polyester resin, the polymer A, the component B and the wax satisfy specific relationships.