发明授权
US4798777A Electrophotographic member containing vinylene benzocarazole as charge
transporting material
失效
含有亚乙烯基苯并卡唑作为电荷输送材料的电子照相元件
- 专利标题: Electrophotographic member containing vinylene benzocarazole as charge transporting material
- 专利标题(中): 含有亚乙烯基苯并卡唑作为电荷输送材料的电子照相元件
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申请号: US14855申请日: 1987-02-13
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公开(公告)号: US4798777A公开(公告)日: 1989-01-17
- 发明人: Takao Takiguchi , Masakazu Matsumoto , Toshihiro Kikuchi
- 申请人: Takao Takiguchi , Masakazu Matsumoto , Toshihiro Kikuchi
- 申请人地址: JPX Tokyo
- 专利权人: Canon Kabushiki Kaisha
- 当前专利权人: Canon Kabushiki Kaisha
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX61-034775 19860219
- 主分类号: C07D209/80
- IPC分类号: C07D209/80 ; G03G5/06 ; G03G5/10
摘要:
An electrophotographic photosensitive member which comprises a layer containing a compound represented by the formula (1) shown below: ##STR1## wherein A represents 1,2-, 2,3- or 3,4-benzocarbazolyl group; R.sub.1, R.sub.2 and R.sub.3, which may be the same or different, each represent hydrogen atom, alkyl group, aralkyl group, aryl group or heterocyclic group, with proviso that R.sub.2 and R.sub.3 cannot be hydrogen atoms at the same time.
公开/授权文献
- US5311249A Projection exposure apparatus 公开/授权日:1994-05-10
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