Liquid developer for use in development of an electrostatic late

Details Liquid developer for use in development of an electrostatic late Liquid developer for use in development of an electrostatic late

1975-05-08

1976-08-31

Weinblatt, Mayer

Compositions

Electrolytes for electrical devices

526 23, 526 30, 526 46, G03G 912

Patent

active

039779831

ABSTRACT:
A liquid developer for use in development of an electrostatic latent image comprising an electrically insulating carrier liquid and a toner dispersed therein comprises a copolymer wherein the amino group thereof is converted into a quaternary ammonium salt or a quaternary ammonium hydroxide as a chargeability controlling agent for controlling the toner so as to be negative chargeable. The copolymer is prepared from at least three kinds of the specified monomers.

REFERENCES:
patent: 3585140 (1971-06-01), Machida et al.
patent: 3729418 (1973-04-01), Machida et al.
patent: 3874896 (1975-04-01), Machida et al.
patent: 3893935 (1975-07-01), Jadwin et al.

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