AUTHENTICATING A PRODUCT
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United States of America Patent
Stats
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N/A
Issued Date -
Aug 26, 2010
app pub date -
Aug 2, 2007
filing date -
Aug 2, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
This invention generally relates to a composition, an apparatus, and a method for authenticating a product. In particular, the invention relates to an ink composition for marking a product with a continuous inkjet printer. The composition includes a visible ink and a UV, visible, and/or IR marker. Marking includes depositing the ink composition on the product with the continuous inkjet printer. A marked product is authenticated with a hand-held apparatus that activates the marker in the mark with UV radiation. Activation of the marker in the mark changes the absorbance/reflectance of visible radiation by the mark without changing the visual appearance of the mark. Authenticity of the product is assessed by a change in absorbance or reflectance of visible radiation by the mark after activation of the mark.
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