Security or special paper with internal tactile recognition elements
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United States of America Patent
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Jul 26, 2011
Grant Date -
Jul 24, 2008
app pub date -
Apr 6, 2005
filing date -
Apr 6, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
Applicable to be used to issue notes of legal tender or any other type of document to facilitate its tactile recognition or prevent its falsification. It consists of a sheet of paper in which expanding agents have been inserted, either centered heightwise or near the upper surface and/or lower surface thereof, forming a figure or inscription which, upon application of pressure and heat, either during the paper manufacturing phase or subsequent processes, cause the sheet of paper to expand, thereby forming a curved and continuous embossing on the surface of the document.
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