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Value document

  • US 20040105962A1
  • Filed: 01/15/2004
  • Published: 06/03/2004
  • Est. Priority Date: 03/08/2001
  • Status: Active Grant
First Claim
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1. A document of value having at least one authenticity feature in the form of a luminescent substance based on doped host lattices, characterized in that the host lattice is doped with at least one chromophore with the electron configuration (3d)2.

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