Protecting wood with stabilized boron complexes
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United States of America Patent
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Aug 16, 2016
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Jun 5, 2008
app pub date -
Dec 4, 2007
filing date -
Dec 5, 2006
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Abstract
Wood is treated to reduce or prevent biodeterioration using boron compounds. A significant portion of the active boron is retained within the wood when leached. Boric acid is complexed with water-soluble bifunctional polyhydroxyl aromatic compounds, and the boric acid bifunctional polyhydroxyl aromatic complex is deposited into wood treated with a silicate. The complexing agents comprise polyfunctional compounds, including at least two hydroxyl groups, and one or more separate acid groups.
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