Magnetic toner for developing latent electrostatic images and a

Details Magnetic toner for developing latent electrostatic images and a Magnetic toner for developing latent electrostatic images and a

1977-08-08

1980-10-28

Martin, Jr., Roland E.

Radiation imagery chemistry: process, composition, or product th

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

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

430137, 430122, 428407, 427214, 252 6254, G03G 908, G03G 914

Patent

active

042307872

ABSTRACT:
A one-component developer for developing a latent electrostatic image which comprises magnetic particles, thermoplastic resins and electric charge controlling dyestuffs as main components and in which the magnetic particles are substantially coated with the electric charge controlling dyestuffs. The resulting toner forms no fringe or ghost and has good duplicativity of halftone images. The toner is made by coating the magnetic particles with the electric charge controlling dyestuffs before mixing the magnetic particles with the resin.

REFERENCES:
patent: 2890968 (1959-06-01), Giaimo
patent: 3669922 (1972-06-01), Bartsch et al.
patent: 3698005 (1972-10-01), Nacci et al.
patent: 3900587 (1975-08-01), Lenhard et al.

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