Optical filters for accelerated weathering devices
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United States of America Patent
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Jul 15, 2008
Grant Date -
Nov 30, 2006
app pub date -
May 31, 2005
filing date -
May 31, 2005
priority date (Note) -
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Abstract
Optical filters comprising a small concentration of visible light absorbing components optionally in combination with small concentrations of ultraviolet and infared absorbing components suitable for use in an illuminator for an accelerated weathering device and methods of accelerated weathering.
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