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Title: Invisible-fluorescent identification tags for materials

Patent ·
OSTI ID:1083021

A taggant composition including a taggant material that is invisible in light of the visible spectrum and fluoresces under a non-visible excitation energy, a binder, and a solvent in which the taggant material and the binder are dissolved. The taggant composition can be printed or otherwise applied to a material such as fabric to provide a detectable and identifiable indicium. A method and apparatus for detecting and decoding the taggant indicium are also provided.

Research Organization:
ORO (Oak Ridge Office, Oak Ridge, TN (United States))
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-00OR22725
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
Patent Number(s):
8,403,223
Application Number:
13/026,016
OSTI ID:
1083021
Country of Publication:
United States
Language:
English

References (12)

Latent inkjet formulation and method patent March 2005
Anti-counterfeiting system patent January 1997
Fluorescent object recognition system having self-modulated light source patent February 1987
Organic solvent based ink for invisible marking/identification patent November 1999
Water-dissipatable polyesters and amides containing near infrared fluorescent compounds copolymerized therein patent August 1994
Fluorescent ink compositions comprising functionalized fluorescent nanocrystals patent June 2003
Blush resistant invisible fluorescent jet ink patent August 1999
Latent image printing ink composition, prints containing latent images recorded with the ink composition, and latent image data-based deciphering method and latent image data deciphering device patent May 2005
Light sensitive invisible ink compositions and methods for using the same patent February 2003
Method and apparatus for manufacturing sewn goods patent December 2002
Light sensitive invisible ink compositions and methods for using the same patent November 2000
Ink jet ink composition and method for security marking patent December 2006

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