Charge control agent and toner for electrostatic image...

Details Charge control agent and toner for electrostatic image... Charge control agent and toner for electrostatic image...

2006-08-22

2006-08-22

Goodrow, John L (Department: 1756)

Radiation imagery chemistry: process, composition, or product th

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

Post imaging process, finishing, or perfecting composition...

C430S120400

Reexamination Certificate

active

07094513

ABSTRACT:
A charge control agent of the present invention comprises aggregate particles of an azo-type iron complex salt represented by the following chemical formula [I]in the chemical formula [I], R1—, R2—, R3—, R4—, R5— and R6— are same or different to each other, n is 0.7 to 0.99,the aggregate particles have an average particle size of 1 to 4 microns and an average particle size of a primary particulate crystalline, that is fined the aggregate particles with ultrasonic irradiation, is at most 3 microns. A toner for developing an electrostatic image comprises a resin for the toner and the charge control agent.

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