Anti-counterfeiting identification system and method for...

Details Anti-counterfeiting identification system and method for... Anti-counterfeiting identification system and method for...

2008-07-01

2008-07-01

Lee, Susan S (Department: 2852)

Electrophotography

Diagnostics

Unit or part identification

C399S252000

Reexamination Certificate

active

11169083

ABSTRACT:
Provided is an article of manufacturer with anti-counterfeit properties a consumable, having taggant nanoparticles dispersed within it. Each taggant nanoparticle has at least one known physical characteristic such as, the taggant nanoparticles being a predetermined combination of nanoparticles providing at least two different taggant physical characteristics as a taggant code encoding product identification for the consumable so as to permit identification of the consumable. The physical characteristics in an embodiment include a combination of fluorescence, particle size, shape, and/or magnetic properties.

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patent: 2006/0234018 (2006-10-01), Nagashima et al.
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