Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hironori Minagawa
Megumi Shino
Junichi Tamura
Ryuji Murayama
Kenta Mitsuiki
Takaho Shibata
Date of Patent
September 19, 2023
Patent Application Number
16987599
Date Filed
August 7, 2020
Patent Citations
...
Patent Primary Examiner
Patent abstract
A toner having a toner particle containing a binder resin and a styrene-acrylic resin, the toner being characterized in that the styrene-acrylic resin is a graft polymer having an aliphatic hydrocarbon compound segment and a styrene-acrylic segment, the styrene-acrylic segment has a specific monomer unit, the melting point of the styrene-acrylic segment is from 30° C. to 80° C., and when the toner is measured using a FT-IR ATR method, the intensity assigned to the styrene-acrylic resin and the intensity assigned to the binder resin satisfy a specific relationship.
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