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Ink With Cohesive Failure and Identification Document Including Same

  • US 20070158939A1
  • Filed: 12/05/2006
  • Published: 07/12/2007
  • Est. Priority Date: 10/02/2001
  • Status: Active Grant
First Claim
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1. An identification document comprising:

  • a core including a front surface and a back surface;

    an over-laminate including a front surface and a back surface, the back surface being adjacently positioned with said core front surface; and

    two or more inks provided on at least one of the front surface of the core or the back surface of the over-laminate, the two or more inks are characterized by including substantially the same degree of adhesion to both the front surface of the core and to the back surface of the over-laminate, the adhesion of the two or more inks to the front surface of the core and the adhesion of the two or more inks to the back surface of the over-laminate is each relatively stronger than a cohesive strength of the ink, and the two or more inks are provided on the front surface or the back surface in a pattern, the pattern including at least a plurality of intertwined or interlocking circles or mesh structures, wherein a first ink of the two or more inks comprises a first color and a second ink of the two or more inks comprises a second, different color.

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