Embossing lacquer for micro-optical security elements
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United States of America Patent
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Oct 15, 2013
Grant Date -
May 6, 2010
app pub date -
Feb 13, 2008
filing date -
Feb 14, 2007
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Abstract
A highly refractive embossing lacquer for producing micro-optic arrangements which contains at least one binding agent which has at least one radiation-curing compound system having one or more organic compounds. The highly refractive embossing lacquer has at least a portion of the organic compounds of the radiation-curing compound system having molecules with at least one polarizable element, so that a polymeric material with a refractive index of greater than 1.5 is formed upon radiation curing. A security element which is produced with at least one micro-optic authenticity feature is also provided. The micro-optic authenticity features permit the production of security elements that are so thin that they can be easily incorporated into value documents.
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