Wood preservative compositions
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United States of America Patent
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Issued Date -
Jun 25, 2009
app pub date -
Mar 5, 2008
filing date -
Dec 21, 2007
priority date (Note) -
Abandoned
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Abstract
The present invention provides a wood preservative composition and a process for treating wood with the composition for protecting wood from decay and insect attack. The invention further provides a wood preservative composition comprising dispersed particles of a copper compound and a polydentate ligand. The composition can be used to treat difficult-to-treat wood species including hem fir, Douglas-fir, ponderosa pine, red pine, redwood, cedar, and spruce to achieve effective copper penetration.
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