Toner for developing electrostatic latent images

Details Toner for developing electrostatic latent images Toner for developing electrostatic latent images

1985-06-21

1991-02-05

Welsh, J. David

Radiation imagery chemistry: process, composition, or product th

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

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

430106, G03G 908

Patent

active

049904272

ABSTRACT:
The invention relates to a toner for developing electrostatic latent images for use in copying machines and including a thermoplastic resin and a black coloring material as main components. The black coloring material comprises a substantially non-magnetic inorganic black pigment of 5-25 cc/100 g oil absorption and 0.5-10 .mu.m average particle diameter, to obtain high quality copy images having fine textures.

REFERENCES:
patent: 3246148 (1966-04-01), De Troeyer et al.
patent: 3392139 (1968-07-01), Dingman
patent: 3547822 (1970-12-01), Miller
patent: 3885960 (1975-05-01), Anderson
patent: 3965023 (1976-06-01), Vijayendran
patent: 4347298 (1982-08-01), Kroll et al.
patent: 4476211 (1984-10-01), Hosoi
Japanese Laid-Open Patent Application No. 55-90509 (Jul. 9, 1980).
Japanese Laid-Open Patent Application No. 57-40259 (Mar. 5, 1982).

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