| 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 |
EP1421143(A1) |
申请公布日期 |
2004.05.26 |
| 申请号 |
EP20020767390 |
申请日期 |
2002.08.15 |
| 申请人 |
SICPA HOLDING SA |
发明人 |
VUARNOZ, ALINE;AMREIN, OLIVIER;VEYA, PATRICK |
| 分类号 |
C09C1/00;C09D5/36;C09D11/02 |
主分类号 |
C09C1/00 |
| 代理机构 |
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代理人 |
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| 地址 |
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