Process for producing toner, and apparatus for modifying...

Details Process for producing toner, and apparatus for modifying... Process for producing toner, and apparatus for modifying...

2008-04-15

2008-04-15

Chapman, Mark A. (Department: 1795)

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Process of making developer composition

Reexamination Certificate

active

07358024

ABSTRACT:
In a toner production process having at least a kneading step, a pulverization step and the step of simultaneously carrying out a surface modification step and a classification step to obtain toner particles, the surface modification and the classification are simultaneously carried out using a batch-wise surface modifying apparatus having at least a cylindrical main-body casing, a classifying rotor, a surface modifying means having a dispersing rotor and a liner. The positional relationship between the dispersing rotor and the liner is set in an appropriate specific state so that toner particles having a sharp particle size distribution with less fine powder and having a high sphericity can be obtained in a good efficiency.

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