System and method for the preservative treatment of engineered wood products
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United States of America Patent
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Mar 16, 2010
Grant Date -
Jul 2, 2009
app pub date -
Mar 10, 2009
filing date -
Nov 28, 2006
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Abstract
Systems and methods of making a wood enhancement agent treated engineered wood product. The wood enhancement agent typically includes at least one of a preservative, a water repel but, a fungicide, an insecticide, a stabilizing agent, wax, an ultra-violet light inhibitor, and combinations thereof, and may also include an antioxidant. The wood enhancement agent is incorporated into the engineered wood product during a billet making process or after forming the billet. The wood enhancement agent may be applied to a warm billet after steam press, or to a reheated billet, by dipping, spraying, or flood coating the billet, or by diffusion, vacuum impregnation, pressure, or a combination thereof.
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