SYSTEM AND METHOD FOR APPLICATION OF CHROMIC COMPOSITIONS
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United States of America Patent
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Mar 16, 2017
app pub date -
May 28, 2015
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May 30, 2014
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Abstract
The present disclosure provides a system and method for the application of chromic compounds. In one aspect, a printed material includes a surface and a first composition disposed on the surface. The first composition includes a chromic ink capable of transitioning from a first state to a second state. The chromic ink can undergo an irreversible molecular change in the presence of ultra-violet light at a first wavelength. The printed material further includes a second composition disposed on the surface and overlapping at least a portion of the first composition. The second composition includes a protectant capable of absorbing ultra-violet light at the first wavelength.
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