| 发明名称 |
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MATERIAL |
| 摘要 |
PURPOSE:To reduce sensitivity deterioration in repeated use, by adding a specified electron donative compound to beta-type copper phthalocyanine to improve a dark decay characteristic.
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| 申请公布号 |
JPS53133037(A) |
申请公布日期 |
1978.11.20 |
| 申请号 |
JP19770047326 |
申请日期 |
1977.04.26 |
| 申请人 |
RICOH KK |
发明人 |
KAZAMI TAKEO;SAKUMA SEIICHI |
| 分类号 |
G03G5/06;G03G5/09;H01L31/08;H01L51/42 |
主分类号 |
G03G5/06 |
| 代理机构 |
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| 地址 |
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