发明名称 DEVELOPER FOR ELECTROSTATIC LATENT IMAGE
摘要 A developer for electrostatic latent image contains toner particles. The toner particles contain a resin and a coloring agent, and the coloring agent includes a first coloring agent, a second coloring agent, and a third coloring agent. The first coloring agent is carbon black, the second coloring agent is one or more of C. I. Pigment Violet 19 and C. I. Pigment Violet 23, and the third coloring agent is one or more of C. I. Pigment Brown 23 and C. I. Pigment Brown 25. A content of the second coloring agent is not lower than 8 mass % and not higher than 25 mass % with respect to a total amount of the coloring agents.
申请公布号 US2015338756(A1) 申请公布日期 2015.11.26
申请号 US201514719988 申请日期 2015.05.22
申请人 Konica Minolta, Inc. 发明人 YAMADA Chiaki;ANNO Masahiro
分类号 G03G9/09;G03G9/12;G03G9/13 主分类号 G03G9/09
代理机构 代理人
主权项 1. A developer for electrostatic latent image, comprising toner particles, said toner particles containing a resin and a coloring agent, said coloring agent including a first coloring agent, a second coloring agent, and a third coloring agent, said first coloring agent being carbon black, said second coloring agent being one or more of C. I. Pigment Violet 19 and C. I. Pigment Violet 23, said third coloring agent being one or more of C. I. Pigment Brown 23 and C. I. Pigment Brown 25, and a content of said second coloring agent being not lower than 8 mass % and not higher than 25 mass % with respect to a total amount of said coloring agents.
地址 Tokyo JP