| 发明名称 |
BLUE INK FOR POSTAGE PRINTING |
| 摘要 |
A blue ink for postage printing, which contains a blue pigment, a black dye, and an aqueous carrier, wherein the weight ratio of blue pigment to black dye is in the range of 50:1 to 2:1. The blue pigment is a copper phthalocyanine pigment or an anthraquinone pigment, and the black dye is an azo dye. |
| 申请公布号 |
EP2582762(A4) |
申请公布日期 |
2013.05.22 |
| 申请号 |
EP20100853359 |
申请日期 |
2010.06.16 |
| 申请人 |
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. |
发明人 |
MA, ZEYING;LITTLE, ROBERT, F.;MORRIS, PETER, C. |
| 分类号 |
C09D11/02;C09B5/48;C09B47/04;C09C3/10 |
主分类号 |
C09D11/02 |
| 代理机构 |
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