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US 2015/0027218 A1Published application
Security substrate, and method for authentication and for revealing attempts at forgery
AssigneeArjowiggins Security
InventorsSandrine Rancien, Celine Desnous
Life of this patent
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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.
Claims30
1-21. (canceled)
A security substrate comprising:
- at least one area for authentication and/or for revealing attempts at forgery using solvents, wherein the at least one area comprises individualized polymer- or copolymer-based particles comprising at least one visible or detectable marker, and wherein the polymer or copolymer is at least partially soluble in solvents used for forgery.
Dependencies are inferred from the claim text.