US Patent 11774871 Toner and method for manufacturing toner
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US Patent 11774871 Toner and method for manufacturing toner
Article
Patent abstract
A toner comprising a toner particle, wherein the toner particle comprises a binder resin, the binder resin comprises a resin A and a resin B, the toner particle comprises protrusions on a surface thereof, each of the protrusions comprises the resin B, a shape factor SF-2 of the toner as observed under SEM is 105 to 120, and when the toner is observed under the SEM, a surface unevenness index of the toner as calculated by formula (1) below is 0.010 to 0.050:
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Patent Inventor Names
Hirofumi Kyuushima
Kazutaka Sasaki
Shintaro Noji
Yoshiaki Shiotari
Date of Patent
October 3, 2023
Patent Application Number
17217074
Date Filed
March 30, 2021
Patent Citations
Patent Primary Examiner
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