发明名称 Carrier for electrophotographic developer and developer containing the same
摘要 A carrier for an electrophotographic developer which has a flowability index F1, represented by formula (1), of 63 to 75 sec/(50.cm3) and a flowability index F2, represented by formula (2), of 30 to 100 Oe.g/cm3:<paragraph lvl="0"><in-line-formula>F1=ADxFR (1)</in-line-formula><paragraph lvl="0"><in-line-formula>F2=ADxHc (2)</in-line-formula>wherein AD is an apparent density (g/cm3); FR is a flow rate (sec/50 g); and Hc is a coercive force (Oe).
申请公布号 US2002177061(A1) 申请公布日期 2002.11.28
申请号 US20020059004 申请日期 2002.01.30
申请人 POWDERTECH CO., LTD. 发明人 KOBAYASHI HIROMICHI;ITAGOSHI TSUYOSHI;KATAOKA YASUHIKO;SATO YUJI
分类号 G03G9/107;G03G9/113;(IPC1-7):G03G9/113 主分类号 G03G9/107
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