发明名称 Toner and image forming apparatus using the toner
摘要 <p>A toner composition including toner particles including mother toner particles, which include a binder resin, a colorant and a release agent, and a charge controlling agent which is at least located on a surface of the mother toner particles while fixed thereon, wherein the toner particles have a spherical degree of from 0.960 to 1.000 and a specific surface area of from 0.70 to 2.5 m&lt;2&gt;/g. The toner composition optionally includes an external additive which is present on the surface of the toner particles.</p>
申请公布号 EP1296194(A2) 申请公布日期 2003.03.26
申请号 EP20020021234 申请日期 2002.09.18
申请人 RICOH COMPANY, LTD. 发明人 EMOTO, SHIGERU;YAMASHITA, HIROSHI;WATANABE, NAOHIRO;SUGIYAMA, TSUNEMI;YAMADA, HIROSHI;TOMITA, MASAMI
分类号 G03G9/087;G03G9/08;G03G9/097;(IPC1-7):G03G9/08 主分类号 G03G9/087
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