Ortho-halo phenyl carboxylic acid charge enhancing additives

Details Ortho-halo phenyl carboxylic acid charge enhancing additives Ortho-halo phenyl carboxylic acid charge enhancing additives

1982-04-12

1983-10-25

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

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

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

430110, 430120, 430126, G03G 908

Patent

active

044119747

ABSTRACT:
This invention is directed to negatively charged toner compositions, and developer compositions, the toner composition being comprised of resin particles, and pigment particles, and from about 0.1 to about 10 percent based on the weight of the resin particles, a ortho-halo pheny carboxylic acid charge enhancing additive of the formula: ##STR1## wherein X is halogen, Y is hydrogen or halogen, and R is an alkylene group of from 1 to about 3 carbon atoms, and n is the number zero (O) or 1; as well as to methods of utilizing such compositions in electrostatographic imaging systems, particularly those systems wherein colored images are produced.

REFERENCES:
patent: 3609082 (1971-09-01), Moriconi et al.
patent: 3884825 (1975-05-01), Lindblad et al.
patent: 3893935 (1975-07-01), Jadwin et al.
patent: 4073739 (1978-02-01), Peters
patent: 4139483 (1979-02-01), Williams et al.
patent: 4248954 (1981-02-01), Datta et al.
patent: 4298672 (1981-11-01), Lu

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