Magnetic carrier for electrophotographic developing agent and method of producing the same
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United States of America Patent
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Sep 23, 1997
Grant Date -
N/A
app pub date -
Jul 24, 1995
filing date -
Jul 28, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A magnetic carrier for electrophotographic developing agent wherein the surfaces of the magnetic core particles are partly coated with a thermosetting resin and a small amount of a low-melting or low-softening thermoplastic resin or wax, and at least recessed portions of the core particles are filled with these coating materials. The magnetic carrier has an electric resistance that is maintained within a range that is suited for forming the image, and suppresses the occurrence of spent toner.
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