One-component magnetic developer powder for developing electrost

Details One-component magnetic developer powder for developing electrost One-component magnetic developer powder for developing electrost

1977-10-31

1980-02-19

Martin, Jr., Roland E.

Radiation imagery chemistry: process, composition, or product th

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

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

252 6254, 427113, 427122, 427127, 427180, 427221, G03G 914

Patent

active

041893905

ABSTRACT:
A one-component magnetic developer powder for developing an electrostatic latent image formed according to an electrophotographic process comprising non-agglomerative essentially spherical members consisting essentially of plastics binder, magnetic particles and first electric conductive particles dispersed therein, and second electric conductive particles embedded on a spherical surface of the member, the resistivity of the surface layer of the powder being less than that of the inner portion.
The developer powder according to the present invention has a good electrical uniformity and the flowability of the developer powder is very good. Productivity of the same is also very good.

REFERENCES:
patent: 3239465 (1966-03-01), Rheinfrank
patent: 3627682 (1971-12-01), Hall et al.
patent: 3639245 (1972-02-01), Nelson
patent: 3752666 (1973-08-01), Hagenbach et al.
patent: 3925219 (1975-12-01), Strong

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