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. <IMAGE></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 |
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代理人 |
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主权项 |
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地址 |
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