| 发明名称 |
DEVELOPING ROLLER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a developing roller that has stable electrical characteristics for a long period and suppresses blade bias leak. <P>SOLUTION: The elastic layer of a developing roller contains a copolymer comprising quaternary pyridinium salt and tertiary amine. <P>COPYRIGHT: (C)2012,JPO&INPIT |
| 申请公布号 |
JP2012181370(A) |
申请公布日期 |
2012.09.20 |
| 申请号 |
JP20110044352 |
申请日期 |
2011.03.01 |
| 申请人 |
CANON INC |
发明人 |
ANAMI ITSUYA;SAKURAI YUJI;URUSHIBARA KIYOHIRA;ISHII TORU |
| 分类号 |
G03G15/08;C08F226/06;F16C13/00 |
主分类号 |
G03G15/08 |
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