Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Reexamination Certificate
2007-08-14
2007-08-14
McNeil, Jennifer (Department: 1775)
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
C428S201000, C428S203000, C428S209000, C428S211100, C427S508000, C427S510000
Reexamination Certificate
active
10398326
ABSTRACT:
Described is a laminate body, in particular a laminate foil, comprising a laser-sensitive layer and an identification element, for example a diffraction and/or hologram structure, a reflection layer, a printed image or the like, which is provided in a second layer and/or in the laser-sensitive layer, wherein the laser-sensitive layer has a marking produced by laser action, which is positioned in accurate register relationship relative to the identification element In addition the subject of the invention is a method of enhancing the forgery-proof nature of such a laminate body in which the laminate body is irradiated by means of a laser so that produced in the laser-sensitive layer is a laser-induced marking positioned in accurate register relationship with the position of the identification element.
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Lutz Norbert
Zinner Gerhard
Hoffman & Baron LLP
Leonard Durz GmbH & Co. KG
McNeil Jennifer
Speer Timothy M.
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