Classified toner materials

Details Classified toner materials Classified toner materials

1974-05-30

1978-10-24

Martin, Jr., Roland E.

Compositions

Electrolytes for electrical devices

96 1SD, G03G 902

Patent

active

041220242

ABSTRACT:
Classified toner materials having a particle size number distribution with a fine index ratio of less than about 2.50, a particle size volume distribution with a coarse index ratio less than about 1.50, and a particle size distribution wherein less than about 30.0 percent by number of the toner particles have an average particle size diameter of less than about 5 microns, about 25 percnt of the particles have a diameter between about 8 microns and about 12 microns and less than about 5 percent by number of the toner particles have an average particle diameter greater than about 20 microns. The toner materials may be mixed with carrier materials to form electrostatographic developer mixtures.

REFERENCES:
patent: 3236776 (1966-02-01), Tomanek
patent: 3239465 (1966-03-01), Rheinfrank
patent: 3345294 (1967-10-01), Cooper
patent: 3669922 (1972-06-01), Bartsch et al.
patent: 3745118 (1973-07-01), Brynko

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