Process for producing toner particles using free space formed in

Details Process for producing toner particles using free space formed in Process for producing toner particles using free space formed in

1994-04-26

1995-11-28

Rodee, Christopher D.

Radiation imagery chemistry: process, composition, or product th

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

Process of making developer composition

430111, G03G 900

Patent

active

054706874

ABSTRACT:
A toner for developing electrostatic images is comprised of toner particles having a number average particle diameter of from 0.5 .mu.m to 5.0 .mu.m, in which toner particles with a particle diameter of 6.0 .mu.m or larger is included in a proportion of not more than 5% by number. The toner particles are obtained by a process having the steps of dispersing a monomer composition containing at least a colorant, a charge control agent, or a mixture of these, and a polymerizable monomer, in free space formed in a polymeric medium, and polymerizing the monomer composition dispersed in said free space.

REFERENCES:
patent: 2297691 (1942-10-01), Carlson
patent: 3634251 (1972-01-01), Maeda et al.
patent: 4071670 (1978-01-01), Vanzo et al.
patent: 4777104 (1988-10-01), Matsumoto et al.
patent: 4816366 (1989-03-01), Hyosu et al.
patent: 5015551 (1991-05-01), Tachikawa et al.
Database WPI, Week 9302, Derwent Publ., AN-93-012422, based on JP 4-338974.

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