Developing agent and method for producing the same

Details Developing agent and method for producing the same Developing agent and method for producing the same

2011-07-19

2011-07-19

Le, Hoa V (Department: 1721)

Radiation imagery chemistry: process, composition, or product th

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

Process of making developer composition

C430S109100, C430S137100

Reexamination Certificate

active

07981587

ABSTRACT:
A method for producing a developing agent including heating a dispersion of a toner particle material containing a binder resin fine particle, a coloring agent particle and a dispersion medium at a temperature of a glass transition point of the binder resin or higher and adding a coagulating agent in the heated dispersion of a toner particle material to coagulate a toner material containing the binder resin fine particle and the coloring agent particle, thereby forming a coagulated particle is disclosed.

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