G - Physics – 03 – G
Patent
G - Physics
03
G
G03G 9/083 (2006.01) C01B 33/14 (2006.01) C01B 33/146 (2006.01) G03G 9/087 (2006.01) G03G 9/09 (2006.01) G03G 9/097 (2006.01)
Patent
CA 2062382
A magnetic toner has magnetic resin particles containing at least a binder resin, a charge control agent and a magnetic powder. The surface-modified fine silica powder being a fine silica powder has been treated with a hydrophobicizing agent. The fine silica powder has a specific surface area of not less than 180 m2/g, a hydrophobicity of from 60 % to 95 % and a bulk density of from 35 g/lit, to 49 g/lit.
Akashi Yasutaka
Jo Yoshinobu
Taya Masaaki
Uchiyama Masaki
Unno Makoto
Canon Kabushiki Kaisha
Ridout & Maybee Llp
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