发明名称 |
NEW COMPOSITION INTENDED FOR THE MARKING OF DOCUMENTS ARE VERIFICATION PROCESS OF THE AUTHENTICITY OF THESE DOCUMENTS |
摘要 |
The composition of the invention comprises: - a luminescent substance (A) capable, when excited by a radiation of wavelength shorter than 400 nm, of emitting a radiation which has a wavelength of between 400 and 800 nm, and - a so-called antiStokes luminescent substance (B) capable, when excited by a radiation of wavelength longer than 800 nm, of emitting a radiation which has a wavelength of between 400 and 800 nm. The verification of the authenticity of the document can be performed by a visual or photometric detection. |
申请公布号 |
AU571276(B2) |
申请公布日期 |
1988.04.14 |
申请号 |
AU19840034903 |
申请日期 |
1984.11.01 |
申请人 |
RHONE-POULENC SPECIALITES CHIMIQUES, |
发明人 |
PATRICK MAESTRO;PATRICK DOUGIER |
分类号 |
C09K11/08;B41M3/14;C09K11/77;C09K11/85;G06K19/10;G07D7/00;G07D7/06 |
主分类号 |
C09K11/08 |
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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