Security paper
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United States of America Patent
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May 28, 2013
Grant Date -
Jun 16, 2011
app pub date -
Dec 19, 2008
filing date -
Dec 28, 2007
priority date (Note) -
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Abstract
A security paper comprising a fibrous substrate comprising a watermark having repeating motifs, and a security structure that does not completely cover the watermark and has at least one semi-reflective area which is superposed at least partly on the watermark; which paper on the one hand allows observation, through the semi-reflective area, at least partially, of one of the motifs, and on the other hand allows observation at least partially of another of said motifs in a region of the watermark that is not covered by the security structure.
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