发明名称 |
Dry toner and process cartridge, image forming process and apparatus using the same |
摘要 |
<p>A dry toner contains at least a toner binder, organic fine particles, a colorant, a wax, a charge control agent, and an external additive. The wax is concentrated in the vicinity of a toner core including the toner binder, colorant and wax. The organic fine particles adhere to the surface of the toner core to form a base toner-particle, the fine particle of charge control agent adhere to the surface of the base toner-particle, and the external additive is located on the surface thereof.</p> |
申请公布号 |
EP1426828(A2) |
申请公布日期 |
2004.06.09 |
申请号 |
EP20030026381 |
申请日期 |
2003.11.18 |
申请人 |
RICOH COMPANY LTD. |
发明人 |
TOMITA, MASAMI;SASAKI, FUMIHIRO;NANYA, TOSHIKI;HIGUCHI, HIROTO;YAGI, SHINICHIRO;EMOTO, SHIGERU;ICHIKAWA, TOMOYUKI;SHIMOTA, NAOHITO;KONDO, MAIKO;TAKIKAWA, TADAO |
分类号 |
G03G5/08;G03G9/08;G03G9/087;G03G9/097;G03G15/20;(IPC1-7):G03G9/08 |
主分类号 |
G03G5/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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