Low-maintenance coatings
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United States of America Patent
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Nov 20, 2012
Grant Date -
N/A
app pub date -
Oct 12, 2011
filing date -
Jul 12, 2004
priority date (Note) -
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Abstract
The invention provides a substrate bearing a low-maintenance coating. The coating includes two films: a first film comprising silica (e.g., silicon dioxide) and a second film comprising titania (e.g., titanium dioxide). Preferably, both films are provided within particular thickness ranges. The invention also provides methods of depositing such coatings.
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