| 发明名称 |
COVERT SECURITY MARKERS COMPOSITION AND AUTHENTICATION METHOD |
| 摘要 |
<p>A new covert security feature for paper/polymeric substrates using a coating/marking ink which have sharp and distinct infra-red absorption is disclosed herein. Further, the invention discloses a method for incorporating the said security markers into the substrate and the use for authentication thereof.</p> |
| 申请公布号 |
WO2014041564(A1) |
申请公布日期 |
2014.03.20 |
| 申请号 |
WO2013IN00553 |
申请日期 |
2013.09.12 |
| 申请人 |
COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH |
发明人 |
SHARMA, ASHWINKUMAR RAMESH;VENUGOPALAN, PREMNATH;HAMBIR, SANGEETA SUNIL |
| 分类号 |
B41M3/14;C09D11/00;G07D7/12 |
主分类号 |
B41M3/14 |
| 代理机构 |
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