Zinc salt of ortho-benzoic sulfimide as negative charge-controll

Details Zinc salt of ortho-benzoic sulfimide as negative charge-controll Zinc salt of ortho-benzoic sulfimide as negative charge-controll

1993-08-31

1994-10-25

RoDee, Christopher D.

Radiation imagery chemistry: process, composition, or product th

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

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

430110, 430124, G03G 9097

Patent

active

053588169

ABSTRACT:
This invention is directed to dry, negatively charged toner compositions and developer compositions, the toner composition being comprised of resin particles prepared from a polyester having a glass transition temperature of 50.degree. to 100.degree. C. and a weight average molecular weight of 20,000 to 100,000, a colorant and, as a charge-controlling additive, the zinc salt of ortho-benzoic sulfimide as represented by the formula: ##STR1##

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