Black toner for developing electrostatic latent image

Details Black toner for developing electrostatic latent image Black toner for developing electrostatic latent image

1999-08-31

2000-09-19

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

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

430 45, G03G 900

Patent

active

061209597

ABSTRACT:
A black toner for developing electrostatic latent images having colored particles and external additive(s) and the colored particles containing at least a binder resin, carbon black, a cyan pigment, a magenta pigment, and a yellow pigment. The concentration (C.sub.CB weight %) of carbon black, the concentration (C.sub.C weight %) of the cyan pigment, the concentration (C.sub.M weight %) of the magenta pigment, and the concentration (C.sub.Y weight %) of the yellow pigment in the colored particles preferably satisfy the following relationship (1);

REFERENCES:
patent: 5273853 (1993-12-01), Urano et al.
patent: 5869215 (1999-02-01), Ong et al.

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