发明名称 Electrophotographic toner.
摘要 <p>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 charge and better moisture resistance and charge durability 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. The charge control agent is highly safe to environment. &lt;IMAGE&gt;</p>
申请公布号 EP0529509(A1) 申请公布日期 1993.03.03
申请号 EP19920114181 申请日期 1992.08.20
申请人 NIPPON KAYAKU KABUSHIKI KAISHA 发明人 YAMAMURA, SHIGEO;YAMAMOTO, JUNKO;KIYOYANAGI, TADAYUKI;NOMURA, MASAHARU
分类号 C07C315/06;C07C317/22;G03G9/097 主分类号 C07C315/06
代理机构 代理人
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