Hard coating composition and plastic optical product
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United States of America Patent
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Issued Date -
Feb 28, 2008
app pub date -
Aug 28, 2007
filing date -
Aug 28, 2006
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Abstract
Applying liquid for hard coating that is made of organic silane compounds, the fine particles of composite mainly based on titanium-oxide, which also includes zirconium-oxide and silicon-oxide etc., dicyandiamide, itaconic acid, and Co(II) acetylacetonate compound on plastic lenses in order to form a hard coating layer after hardening.
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