Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kenji Aoki0
Noritaka Toyoizumi0
Shohei Shibahara0
Takashi Matsui0
Tsutomu Shimano0
Yuna Yamamoto0
Date of Patent
September 20, 2022
0Patent Application Number
171139220
Date Filed
December 7, 2020
0Patent Citations
...
Patent Primary Examiner
CPC Code
A toner comprising a toner particle comprising a binder resin and an azo dye, wherein the binder resin comprises a polymer A, the polymer A is a polymer having a monomer unit derived from methacrylonitrile, and a relationship among an amount of substance (mol) of the monomer unit derived from methacrylonitrile, an amount of substance (mol) of the azo dye, and the number of azo groups in the azo dye in the toner particle satisfies formula below:
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