发明名称 |
Carrier core particles for electrophotographic developer, method for manufacturing the same, carrier for electrophotographic developer and electrophotographic developer |
摘要 |
The carrier core particles 11 for electrophotographic developer contain lithium as a core composition. When the carrier core particles 11 are immersed in pure water at a weight ratio of 1 part core particles 11 to 10 parts pure water and shaken, the amount of lithium that leaches out to the pure water is 0.10 ppm or lower. |
申请公布号 |
US8617781(B2) |
申请公布日期 |
2013.12.31 |
申请号 |
US201113522398 |
申请日期 |
2011.01.25 |
申请人 |
KAWAUCHI TAKESHI;DOWA ELECTRONICS MATERIALS CO., LTD.;DOWA IP CREATION CO., LTD. |
发明人 |
KAWAUCHI TAKESHI |
分类号 |
G03G9/00 |
主分类号 |
G03G9/00 |
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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