SECURITY DEVICE, REFLECTIVE LAYER THEREFOR, AND ASSOCIATED METHOD
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United States of America Patent
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Issued Date -
Jun 4, 2009
app pub date -
Sep 25, 2008
filing date -
Sep 25, 2007
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a security device for resisting counterfeiting and verifying the authenticity of an article and, more particularly, to a nanoparticle containing coating composition applied thereon to produce a reflective layer for use with diffractive security devices.
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