发明名称 |
CARRIER CORE MATERIAL AND CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER AND PROCESS FOR PRODUCING THE SAME, AND ELECTROPHOTOGRAPHIC DEVELOPER USING THE CARRIER |
摘要 |
Employment of a carrier core material for an electrophotographic developer containing 0.8 to 5% by weight of Mg, 0.1 to 1.5% by weight of Ti, 60 to 70% by weight of Fe and 0.2 to 2.5% by weight of Sr and having an amount of Sr dissolved with a pH4 standard solution of 80 to 1000 ppm, a carrier using the core material and a process for producing them, and an electrophotographic developer using the carrier.
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申请公布号 |
US2010196818(A1) |
申请公布日期 |
2010.08.05 |
申请号 |
US20100685756 |
申请日期 |
2010.01.12 |
申请人 |
POWDERTECH CO., LTD. |
发明人 |
KOJIMA TAKASHI;IWATA TORU;AGA KOJI |
分类号 |
G03G9/113;G03G9/08;G03G9/10;G03G9/107 |
主分类号 |
G03G9/113 |
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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