Electrophotographic liquid developer composition and novel charg

Details Electrophotographic liquid developer composition and novel charg Electrophotographic liquid developer composition and novel charg

1989-08-25

1991-09-03

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

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

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

430115, 430137, 430112, G03G 900, G03G 500

Patent

active

050454250

ABSTRACT:
An electrophotographic liquid developer composition is provided containing a charge director which is a salt of a trivalent metal and an aromatic acid such as diisopropyl salicylic acid. For consecutive color toning processes, it is preferred that the concentration of charge director be maintained below some defined maximum value so that substantially all of the charge director is associated with toner. Methods for making and using the novel compositions are provided as well.

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