SECURITY SUBSTRATE, AND METHOD FOR AUTHENTICATION AND FOR REVEALING ATTEMPTS AT FORGERY
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United States of America Patent
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Issued Date -
Jan 29, 2015
app pub date -
Jul 25, 2012
filing date -
Jul 29, 2011
priority date (Note) -
Abandoned
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Abstract
A security substrate may include at least one area for authentication and/or for revealing attempts at forgery using solvents. The at least one area may include individualized polymer- or copolymer-based particles comprising at least one visible or detectable marker. The polymer or copolymer may be at least partially soluble in solvents used for forgery.
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