Dual purpose electrophotographic magnetic toner and process of m

Details Dual purpose electrophotographic magnetic toner and process of m Dual purpose electrophotographic magnetic toner and process of m

1977-12-20

1981-09-08

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

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

Process of making developer composition

430110, 430111, 264 12, 264 13, 264 74, 264131, G03G 908, B28B 1106

Patent

active

042885191

ABSTRACT:
A free-flowing, non-spherical, fragmentary, toner particle is prepared by blending a mixture of thermoplastic resins with magnetic iron oxide. The dispersion is processed to a fine powder and dry blended with conductive carbon black which is anchored onto the surface of the particle by warm air or gas.

REFERENCES:
patent: 3196032 (1965-07-01), Seymour
patent: 3278439 (1966-10-01), Blanchette et al.
patent: 3639245 (1972-02-01), Nelson
patent: 3655374 (1972-04-01), Palemiti
patent: 3740334 (1973-06-01), Jacknow
patent: 3788994 (1974-01-01), Wellman et al.
patent: 4027048 (1977-05-01), Crystal
Shaffert, Electrophotography, Halsted Press, 1975, p. 69.

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