Compositions for the preservation of timber products

B - Operations – Transporting – 27 – K

Patent

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B27K 3/52 (2006.01) B27K 3/15 (2006.01)

Patent

CA 2169202

A method of treating wood by impregnation of the wood with wood-treating-compositions containing compounds which contain elements selected from copper, chromium and arsenic (CCA) and oxyalkylene polymer additives provides improved properties to the treated wood, better control of oxyalkylene polymer distribution, and reduced leaching of the CCA.

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