Method for producing developing agent

Details Method for producing developing agent Method for producing developing agent

2011-07-26

2011-07-26

Chapman, Mark A (Department: 1721)

Radiation imagery chemistry: process, composition, or product th

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

Process of making developer composition

Reexamination Certificate

active

07985525

ABSTRACT:
A method for producing a developing agent, includes preparing a dispersion of particles containing a binder resin and a coloring agent and forming toner particles by aggregating and fusing the particles, in which the number of coarse particles having a particle size of 0.6 μm or larger after the solid concentration of the dispersion of particles is adjusted to 1 ppm is less than 3,000 per μL.

REFERENCES:
patent: 63-282752 (1988-11-01), None
patent: 06-250439 (1994-09-01), None
patent: 09-311502 (1997-12-01), None
patent: 10-301333 (1998-11-01), None

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