Compositions for the preservation of timber products

B - Operations – Transporting – 27 – K

Patent

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Details

B27K 3/52 (2006.01)

Patent

CA 2131357

Aqueous wood treating compositions, containing compounds which contain elements selected from copper, chromium and arsenic and oxyalkylene polymer additives, provide improved stability to CCA solutions containing additives. In addition, the compositions of the present invention have been found to retard hardening effects associated with wood treated with commercial CCA solutions.

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