Electrographic toner and developer composition containing quater

Details Electrographic toner and developer composition containing quater Electrographic toner and developer composition containing quater

1977-11-10

1982-04-06

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

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

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

430115, 430528, 260DIG20, G03G 908

Patent

active

043236340

ABSTRACT:
The present invention relates to the use of low levels of quaternary ammonium salt surfactants as charge control agents for an electrostatic toner contained in dry electrographic developer compositions. Particularly useful such charge control agents are those which contain at least one amido group having 10 or more carbon atoms attached to the ammonium cation and an anion selected from a halide ion or an organosulfur-containing anion.

REFERENCES:
patent: 2626876 (1953-01-01), Carnes
patent: 3060051 (1962-10-01), Johnson
patent: 3431412 (1969-03-01), Okubo et al.
patent: 3729418 (1973-04-01), Machida et al.

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