发明名称 |
Use of electromagnetic wave absorbing markers for the aunthentication of security documents |
摘要 |
The present invention relates to the use of non-deactivatable security compositions comprising the combination of at least two types of particles of oxide materials, where said particles have a different size and/or morphology. The invention also relates to security articles, documents or elements incorporating these compositions, as well as to a method and to a system for detection thereof. |
申请公布号 |
EP2505618(A1) |
申请公布日期 |
2012.10.03 |
申请号 |
EP20110382093 |
申请日期 |
2011.04.01 |
申请人 |
FABRICA NACIONAL DE MONEDA Y TIMBRE;CONSEJO SUPERIOR DE INVESTIGACIONES CIENTIFICAS |
发明人 |
ROMERO FANEGO, JUAN JOSE;GARCIA JUEZ, VICENTE;FERNANDEZ LOZANO, JOSE FRANCISCO;GAMO ARANDA, JAVIER;RODRIGUEZ BARBERO, MIGUEL ANGEL |
分类号 |
C09D7/12;B41M3/14;B42D15/00;G07D7/06 |
主分类号 |
C09D7/12 |
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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