发明名称 |
Electrophotographic toner and developer comprising an azo magenta pigment |
摘要 |
The use of azo-pigments of formula (I) as colourants in electrophotographic toners or developers, powders, powder lacquers, ink-jet inks and electret materials is claimed. The pigment powder has specific surface area > 70 (especially > 85) m<2>/g, length-to-breadth ratio of, on average, < 2.8:1 and average particle size d50 < 130 nm.
|
申请公布号 |
EP0813117(A1) |
申请公布日期 |
1997.12.17 |
申请号 |
EP19970108971 |
申请日期 |
1997.06.04 |
申请人 |
CLARIANT GMBH |
发明人 |
MACHOLDT, HANS-TOBIAS, DR.;BAUMGART, DIETER, DR.;BAUR, RUEDIGER, DR. |
分类号 |
B41J2/01;C09B63/00;C09D5/03;C09D5/46;C09D11/00;G03G9/087;G03G9/09;G03G9/097;H01G7/02;(IPC1-7):G03G9/09 |
主分类号 |
B41J2/01 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|