Method for fixing chromated copper arsenate treating agents...

B - Operations – Transporting – 27 – K

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6/18.5

B27K 3/52 (2006.01) B27K 3/32 (2006.01) B27K 3/34 (2006.01) B27K 3/36 (2006.01) B27K 3/38 (2006.01)

Patent

CA 1331823

Abstract A method for fixing chromated copper arsenate agents in wood by treating the wood with a fixing agent selected from the following: a) Image b) NH2O-R2; c) R2-NHOH; and d) R3-COOH wherein R1 is the same or different and is hydrogen, phenyl or an alkyl group having 1 to 4 carbon atoms, R2 is hydrogen or an alkyl group having 1 to 4 carbon atoms and R3 is (R4)2(HO)C- or R4OOC- and R4 is hydrogen, an alkyl group having 1 to 4 carbon atoms, phenyl or pyridyl.

603301

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