Extruded Filament Having High Definition Cross-Sectional Indicia/Coding, Microscopic Tagging System Formed Therefrom and Method of Use Thereof for Anti-Counterfeiting of Product Authentication
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United States of America Patent
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Issued Date -
May 12, 2011
app pub date -
May 10, 2007
filing date -
May 10, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An extruded filament is provided having a cross-sectional configuration which permits a cut transverse section of the filament to function as a high definition tagging material, the extruded filament having contained therein along the direction of the longitudinal axis (the axis of extrusion) of the filament a multitude of extruded strand portions, which may be the same or different from one another from the standpoint of composition, visual or forensic effect, and which strand portions provide a multitude of pixel-like portions within a cross-sectional portion of the filament, which multitude of pixel-like portions, when taken together, comprise at least one pre-selected degree of identification whereby the tagging material may be differentiated or identified based on at least one degree of identification. A cut fiber or microparticle formed from the filament may be used to authenticate a product when used in association with the product.
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