Dry process developing material for electrophotography

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...

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430111, 430105, G03G 914

Patent

active

042699207

ABSTRACT:
A developing material for use in a dry developing electrophotography process which comprises an electrically insulating magnetizable toner including at least resin and magnetizable fine particles, and fine particles of resin different from the electrically insulating magnetizable toner in their position on the frictional electrical charging row. The electrically insulating magnetizable toner and fine particles of resin are mixed in a predetermined rate to form the developing material of the invention.

REFERENCES:
patent: 3909258 (1975-09-01), Kotz
patent: 4078930 (1978-03-01), Mammino et al.
patent: 4111823 (1978-09-01), Kobayashi et al.
patent: 4142981 (1979-03-01), Bean et al.

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