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Invisible-fluorescent identification tags for materials

United States Patent

March 26, 2013
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
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.
Lewis; Linda A. (Andersonville, TN), Allgood; Glenn O. (Powell, TN), Smithwick, III; Robert W. (Knoxville, TN)
UT-Battelle, LLC (Oak Ridge, TN)
13/ 026,016
February 11, 2011
GOVERNMENT RIGHTS This invention was made with government support under Contract No. DE-AC05-00OR22725 awarded by the U.S. Department of Energy. The government has certain rights in the invention.