Method for improving performance of barium and strontium ferrite

Details Method for improving performance of barium and strontium ferrite Method for improving performance of barium and strontium ferrite

1991-01-14

1992-03-17

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

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

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

4301066, 430137, G03G 910

Patent

active

050967975

ABSTRACT:
In the electrographic developer compositions, the performance of strontium ferrite or barium ferrite carrier particles is improved by treating the carrier particles with an aqueous acid solution. This treatment reduces the tendency toward early life dusting of strontium or barium ferrites and prevents contamination of the toner particles.

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patent: 4737435 (1988-04-01), Yoerger
Derwent Abstract 90-084862/12.
Derwent Abstract 78-11088A/06.

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