Polarizing plate with melanin
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United States of America Patent
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Apr 8, 2008
Grant Date -
Feb 23, 2006
app pub date -
Aug 18, 2005
filing date -
Aug 18, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention is directed to the incorporation of melanin in an optical article with polarization properties. Such an article includes a first polymer layer containing a polarizing agent, a second polymer layer containing melanin and wherein the second polymer layer is disposed upon the first polymer layer.
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