Positively chargeable powdered electrophotographic toner contain

Details Positively chargeable powdered electrophotographic toner contain Positively chargeable powdered electrophotographic toner contain

1981-05-21

1983-09-13

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

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

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

430465, G03G 908

Patent

active

044042701

ABSTRACT:
A toner comprising a resin, a colorant and a positive charge control agent selected from the group consisting of mica, monoalkyl and dialkyl tin oxides and urethane compounds, said charge control agent having high positive charging ability and good dispersibility in the resin, can be used for developing to give good quality images, having high density in the image areas and low background in the non-image areas.

REFERENCES:
patent: 3236639 (1966-02-01), Tomanek et al.
patent: 3262806 (1966-07-01), Gourge
patent: 3577345 (1971-08-01), Jacknow et al.
patent: 3840464 (1974-10-01), Van Engeland
patent: 3893935 (1975-07-01), Jadwin et al.

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