Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yu Yoshida0
Yuhei Terui0
Haruko Kubo0
Hitoshi Itabashi0
Date of Patent
July 3, 2018
0Patent Application Number
154568330
Date Filed
March 13, 2017
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A toner comprising a toner particle containing a pigment, a resin A and a resin B, wherein the pigment is a pigment having a structure derived from a basic compound, the resin A has an acidic functional group, the resin B has an acid value of at least 2.0 mg KOH/g, the resin B has a glass transition temperature TgB of at least 50° C., and the hydrophobic parameter HPA of the resin A and the hydrophobic parameter of the resin B satisfy the following formulae:HPA≥0.60HPB≤0.70HPA−HPB>0.
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