ANTI-FOG AND ANTI-REFLECTIVE DUAL-FUNCTIONAL COATING FOR OPTICAL ARTICLES
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United States of America
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Issued Date -
Mar 12, 2020
app pub date -
Nov 19, 2019
filing date -
Nov 19, 2019
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Abstract
A coating for an optical article, such as a lens, includes a bottom coating having at least one hydrophilic resin binder and at least one surfactant, forming an anti-fogging layer, and a top coating overlying the bottom coating, forming an anti-reflective layer. The top coating includes nanopores, which may be less than 150 nm in size.
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