Device for producing optical effect layers
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United States of America Patent
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Sep 24, 2024
Grant Date -
Jun 22, 2023
app pub date -
Feb 15, 2023
filing date -
Jan 15, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to the field of protecting value documents and value commercial goods against counterfeit and illegal reproduction. In particular, the present invention provides processes for producing optical effect layers (OELs) comprising non-spherical magnetic or magnetizable particles and comprising a motif made of at least two areas made of a single applied and cured layer, said motif being obtained by using a selective curing performed by irradiation with an actinic radiation LED source (x41) comprising an array of individually addressable actinic radiation emitters.
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| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Mar 24, 2028 |
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