Liquid developer formulation

Details Liquid developer formulation Liquid developer formulation

1989-01-26

1990-12-25

McCamish, Marion C.

Radiation imagery chemistry: process, composition, or product th

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

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

430115, 430137, G03G 908, G03G 900

Patent

active

049802593

ABSTRACT:
A process for replenishing a liquid developer, and a liquid developer made by the process, comprising transferring a first composition comprising a carrier liquid and a charge director into the liquid developer and transferring a second composition comprising toner particles, carrier liquid and charge director into the liquid developer. The amount of charge director in each of the first and second compositions charge director is in a predetermined ratio which results in a constant level of charge director in the liquid developer when the liquid developer is utilized in an electrostatic or printing process.

REFERENCES:
patent: 3900412 (1975-08-01), Kosel

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