G - Physics – 03 – G
Patent
G - Physics
03
G
96/53
G03G 9/08 (2006.01) G03G 9/097 (2006.01)
Patent
CA 2020039
Disclosed are a toner for developing a statically charged image and a process for the preparation thereof. If a toner for developing a statically charged image, comprising a binder resin and, dispersed therein, a colorant and a charge-controlling dye, is prepared so that it has a particle size distribution satisfying the requirement represented by the following formula: N < -172.7C + 1.45 (1) wherein N represents the number (%) of particles having a particle size larger than 16 µm, as measured by Coulter Counter, and C represents the surface dye concentration (g/g) of toner particles, a copy having a high image density with a drastically reduced visible fogging can be obtained.
Inoue Masahide
Kuroki Mitsushi
Nakano Tetsuya
Shimizu Yoshitake
Tsuyama Koichi
Mita Industrial Co. Ltd.
Smart & Biggar
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