Toner for electrophotography comprising azoic pigment having sil

Details Toner for electrophotography comprising azoic pigment having sil Toner for electrophotography comprising azoic pigment having sil

1984-02-24

1986-03-18

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...

106308B, 430110, 428405, G03G 908

Patent

active

045768889

ABSTRACT:
A toner for electrophotography, comprising an azoic pigment having a silica core as a coloring component, said azoic pigment comprising a core of a fine powder of silica and a coating of a mono- or polyazoic dye chemically bound to the surface of the silica core through an aminosilane coupling agent.

REFERENCES:
patent: 3689300 (1972-09-01), Bunger et al.
patent: 3720617 (1973-03-01), Chatterji et al.
patent: 4039463 (1977-08-01), De Roo et al.
patent: 4151154 (1979-04-01), Berger
Chemical Abstracts, vol. 94/165641p (1981).

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