Toner for developing latent electrostatic images

Details Toner for developing latent electrostatic images Toner for developing latent electrostatic images

1989-04-05

1991-02-05

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

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

430126, G03G 1322, G03G 908

Patent

active

049904256

ABSTRACT:
A dry-type toner is disclosed, which comprises as the main components a resin, a coloring agent and a negative charge controlling agent selected from the group consisting of (1) metallic salts of indolecarboxylic acid having the general formula (I); ##STR1## (2) metallic salts of quinolinecarboxylic acid having the general formula (II); ##STR2## and (3) metallic salts of benzothiazole derivatives having the general formula (III): ##STR3##

REFERENCES:
patent: 4673631 (1987-06-01), Fukumoto et al.
patent: 4789615 (1988-12-01), Ciccarelli et al.

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