发明名称 Coloured dry electrophotographic toner giving clear OHP projected image
摘要 Coloured dry electrophotographic toner based on a binder resin, pigment and charge regulating agent has a turbidity factor of 1-10%. Also claimed is a method of producing the toner. Pref. the pigment has an average dispersed dia. of not more than 0.2 mu m and esp. is C.I. Pigment Yellow 180. The charge regulating agent is a metal salt of a salicylic acid deriv. The toner also contains fine hydrophobic SiO2 powder with a deg. of hydrophobicity not less than 50%.
申请公布号 DE19534384(A1) 申请公布日期 1996.04.11
申请号 DE19951034384 申请日期 1995.09.15
申请人 RICOH CO., LTD., TOKIO/TOKYO, JP 发明人 MASUDA, MINORU, TOKIO/TOKYO, JP;MATSUI, AKIO, TOKIO/TOKYO, JP;TOMITA, MASAMI, TOKIO/TOKYO, JP
分类号 G03G9/08;G03G9/09;G03G9/097;(IPC1-7):G03G9/09 主分类号 G03G9/08
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