发明名称 Electrophotographic toner
摘要 An electrophotographic toner containing a specific compound as the charge control agent is described. The electrophotographic toner according to the present invention have a sharper distribution of the amount of electrification and better moisture resistance and time stability than those of a toner wherein a conventional charge control agent is used. Therefore it can provide an image having a very high gradation and has a very high capability of repeatedly forming an image. Since the charge control agent, as such, is essentially colorless, a colorant can freely be selected according to a hue required of a color toner and the toner is not detrimental to the hue inherent in a dye and a pigment.
申请公布号 US5225305(A) 申请公布日期 1993.07.06
申请号 US19910750622 申请日期 1991.08.27
申请人 NIPPON KAYAKU KABUSHIKI KAISHA 发明人 KIYOYANAGI, TADAYUKI;YAMAMOTO, JUNKO;YAMAMURA, SHIGEO
分类号 G03G9/097 主分类号 G03G9/097
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