Method of making carrier for use in electrophotographic develope

Details Method of making carrier for use in electrophotographic develope Method of making carrier for use in electrophotographic develope

1987-05-13

1988-06-14

Martin, Roland E.

Radiation imagery chemistry: process, composition, or product th

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

Process of making developer composition

G03G 910, G03G 914, G03G 2100

Patent

active

047511648

ABSTRACT:
A novel carrier material useful in conjunction with a toner for preparing a two-component developer for electrophotographic processes is provided. The carrier comprises a spherical magnetite particulate material having a reduced metallic iron outer layer which is coated with an outermost resinous layer for conditioning the copying properties of the carrier.

REFERENCES:
patent: 3632512 (1972-01-01), Miller
patent: 4238558 (1980-12-01), Ziolo
patent: 4282302 (1981-03-01), Makino et al.
patent: 4468445 (1984-04-01), Kelly et al.
patent: 4526851 (1985-07-01), Boughton et al.
Research Disclosure No. 154, Feb. 1977, pp. 36-38, Discl. No. 15439, "Electrographic Carrier Materials".

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