Three component developer composition

Compositions – Electrolytes for electrical devices

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96 15, 427 14, G03G 902

Patent

active

039830454

ABSTRACT:
A developer composition comprising (1) electroscopic toner particles (2) a friction-reducing material of a hardness less than said toner and having greater fricton-reducing characteristics than said toner material, and (3) a finely divided nonsmearable abrasive material of a hardness greater than said friction-reducing and toner materials. An imaging and development process utilizing the above-identified composition including the step of maintaining the buildup of friction-reducing material on an imaging surface in the submicron range without completely removing or preventing said buildup, by the combined action of a cleaning force wiping at least any residual developed image from at least a portion of said imaging surface.

REFERENCES:
patent: 2613158 (1952-10-01), Walton et al.
patent: 2986521 (1961-05-01), Wielicki
patent: 3165420 (1965-01-01), Tomanek et al.
patent: 3262806 (1966-07-01), Gourge
patent: 3565805 (1971-02-01), Jones et al.
patent: 3655374 (1972-04-01), Palermiti et al.

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