发明名称 Dry toner and method of preparing same
摘要 A dry toner for developing an electrostatic image, including a toner binder containing a urea-modified polyester. The toner has an average sphericity of 0.96 or more and contains no more than 30% by weight of particles having a sphericity of less than 0.95.
申请公布号 US7939238(B2) 申请公布日期 2011.05.10
申请号 US20090370041 申请日期 2009.02.12
申请人 RICOH COMPANY, LTD. 发明人 YAMASHITA HIROSHI;SUGIYAMA TSUNEMI;EMOTO SHIGERU;TOMITA MASAMI
分类号 G03G9/087;G03G9/08 主分类号 G03G9/087
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