Magnetically attractable color toner powder

Details Magnetically attractable color toner powder Magnetically attractable color toner powder

1985-02-19

1986-11-18

Martin, Roland E.

Radiation imagery chemistry: process, composition, or product th

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

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

4301066, G03G 908, G03G 914

Patent

active

046236023

ABSTRACT:
A colored magnetically attractable toner powder in which the individual toner particles comprise a core containing magnetically attractable material, a light-reflecting layer which envelops the core and comprises light-reflecting pigment, yellow-fluorescent dye and a binder in which the dye fluoresces, and a coloring layer which covers the light-reflecting layer and comprises yellow-fluorescent dye, optionally in an admixture with other fluorescent dye or dyes or pigments, and a binder in which the fluorescent dye or dyes fluoresce(s).

REFERENCES:
patent: 4070577 (1978-01-01), Lewis et al.
patent: 4238562 (1980-12-01), Ishida et al.
patent: 4443527 (1984-04-01), Heikens et al.
patent: 4486523 (1984-12-01), Hosfeld et al.

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