发明授权
- 专利标题： Negatively chargeable toner for developing electrostatic latent image
- 专利标题（中）： 用于显影静电潜像的负电荷调色剂
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申请号： US948525申请日： 1997-10-09
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公开(公告)号： US5776647A公开(公告)日： 1998-07-07
- 发明人: Kenichi Kido , Tetsuo Sano , Yoshitaka Sekiguchi , Hiroyuki Fukuda
- 申请人： Kenichi Kido , Tetsuo Sano , Yoshitaka Sekiguchi , Hiroyuki Fukuda
- 申请人地址： JPX Osaka
- 专利权人： Minolta Co. Ltd.
- 当前专利权人： Minolta Co. Ltd.
- 当前专利权人地址： JPX Osaka
- 优先权： JPX9-049122 19970304; JPX9-049124 19970304; JPX9-049125 19970304
- 主分类号： G03G9/097
- IPC分类号： G03G9/097
摘要：
The negatively chargeable toner of the present invention includes a boron compound expressed by the chemical structural formula (A): ##STR1## wherein R.sub.1 and R.sub.3 respectively represent substituted or non-substituted aryl group, R.sub.2 and R.sub.4 respectively represent hydrogen atom, alkyl group, substituted or non-substituted aryl group, X represents a cation, and n is an integer of either 1 or 2; to improve charge rise characteristics and charging stability.
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