发明名称 |
Toner for electrophotography, developer using the same, process cartridge using the same, image-forming apparatus using the same, and image-forming process using the same |
摘要 |
The present invention is directed to a toner for electrophotography that exhibits excellent hot offset resistance, storability, and glossiness and can obtain a high image-resolution and highly detailed images when used for energy saving apparatuses or as a color toner. The present invention is also directed to a developer, image-forming apparatus, and process cartridge containing such toner, and image-forming process using such toner. The toner of the present invention contains a resin and wax. The wax is dispersed within the resin in a shaped of fine particles to form a toner particle. In the toner particle, more dispersed wax particles are existed in a surface portion of the toner particle than a centric portion of the toner particle. |
申请公布号 |
EP1396762(A1) |
申请公布日期 |
2004.03.10 |
申请号 |
EP20030019191 |
申请日期 |
2003.08.25 |
申请人 |
RICOH COMPANY LTD. |
发明人 |
TOMITA, MASAMI;NANYA, TOSHIKI;SASAKI, FUMIHIRO;EMOTO, SHIGERU;YAGI, SHINICHIRO;HIGUCHI, HIROTO;WATANABE, NAOHIRO;TAKIKAWA, TADAO |
分类号 |
G03G5/08;G03G9/08;G03G9/087;G03G15/08;G03G15/20 |
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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