| 发明名称 |
Security pigments and the process of making thereof |
| 摘要 |
Disclosed are methods for using color inconstancy pigments and/or dyes, such as rare earth doped color inconstancy pigments, in security applications including semi-overt and covert security application. |
| 申请公布号 |
EP1990312(A2) |
申请公布日期 |
2008.11.12 |
| 申请号 |
EP20080159146 |
申请日期 |
2006.10.03 |
| 申请人 |
SUN CHEMICAL CORPORATION |
发明人 |
LIN, HAI HUI;SCHOTTLAND, PHILIPPE;SCHWARTZ, RUSSELL J.;POSTLE, STEPHEN;LEE, CASPAR;SAYERS, WILLIAM R. |
| 分类号 |
C01B25/26;C01F17/00;C09C3/06;C09K11/02;C09K11/77;G07D7/12 |
主分类号 |
C01B25/26 |
| 代理机构 |
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代理人 |
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