发明名称 |
Ink composition comprising optically variable pigments, use of the composition, optically variable pigment and method of treating said pigment |
摘要 |
The invention relates to passivated optically variable pigment, a method of preparing said passivated optically variable pigment, an ink composition comprising said passivated optically variable pigment, the use of said ink composition, and a document carrying a marking made with said ink composition. |
申请公布号 |
US7381758(B2) |
申请公布日期 |
2008.06.03 |
申请号 |
US20040486918 |
申请日期 |
2004.03.12 |
申请人 |
SICPA HOLDING S.A. |
发明人 |
VUARNOZ ALINE;AMREIN OLIVIER;VEYA PATRICK |
分类号 |
C09K11/00;C09C1/00;C09D5/36;C09D11/02 |
主分类号 |
C09K11/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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