Coated hard ferrite carrier particles

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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430105, 430137, G03G 9113

Patent

active

057099758

ABSTRACT:
This invention provides an electrophotographic carrier comprising hard ferrite particles, said particles having a coating comprising a silicone resin and a colloidal silica.

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patent: 5200287 (1993-04-01), Ohmura et al.
patent: 5514511 (1996-05-01), Iwamoto et al.
patent: 5554478 (1996-09-01), Kuramoto et al.

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