Two-component developer for electrophotography and developing method using same
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United States of America Patent
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Issued Date -
Jul 6, 2006
app pub date -
Feb 27, 2004
filing date -
Feb 28, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A two-components developer for electrophotography comprises a toner containing at least cyclo-olefin copolymer resin as a binder resin and magnetic material dispersed resin carrier. It is desirable that the Vickers hardness of the toner be in a range from 19.0HV0.01 to 23.0HV0.01, and that the binder resin contain the cyclo-olefin copolymer resin in a range from 50 to 100 wt %. Furthermore, a developing method for electrophotography in which the two-components developer for electrophotography mentioned above is used, is also disclosed.
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