Multilayer anti-reflective and ultraviolet blocking coating for sunglasses
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United States of America Patent
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-
Dec 2, 1997
Grant Date -
N/A
app pub date -
Jun 6, 1995
filing date -
Jun 24, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A sunglass has a multilayer coating on its concave (rear) surface that comprises a absorbing layer and at least one composite layer for reducing transmittance of UV radiation. Reflection of visible light at the concave surface is minimized.
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