Preparation of magnetic carrier particles
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United States of America Patent
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Dec 21, 1993
Grant Date -
N/A
app pub date -
May 4, 1992
filing date -
May 4, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Electrostatographic carrier particles with improved conductivity and stability are prepared from magnetic stainless steel particles. The particles are treated by submersion in an aqueous oxalic acid solution. The passivated stainless steel carrier particles, preferably after being first coated with a resin, may then be mixed with toner powder for electrographic dry development.
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