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US 4,305,978 AGranted
Process for treatment of wood
OwnerBror O. Hagerinventor
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Abstract
An improved wood preservation process is disclosed wherein wood is contacted with an emulsion of an oil-based perservative in water.
Claims12
A process for the preservation of wood and other organic products comprising impregnating said product with an emulsion of an oil-based preservative in water, drying the impregnated product under a vacuum in oil at a temperature of between about 60.degree. and 90.degree. C., withdrawing the oil from the product without breaking the vacuum, and recovering the treated product.
Dependencies are inferred from the claim text.