Patent ID: 9681660
Date: 2017-06-20
CPC Classifications: A01N,B27K,Y10T

Claim:
1. A method of treating wood, comprising the steps of: a) immersing the wood in a wood treatment composition; and b) pressure impregnating the immersed wood at a pressure of about 100 to 170 psi and a temperature of about 100 to 170° F.; wherein the wood treatment composition comprises (i) about 3 to 12 wt. % pentachlorophenol (PCP); (ii) at least about 3 wt. % of a borate ester, which comprises a monoalkanolamine borate ester; and (iii) at least about 76 wt. % of an AWPA P9 Type A solvent, which comprises diesel and biodiesel; and the wood treatment composition is greater than 98% w/w free of water and is a substantially homogenous solution after storage at a temperature of 15 to 35° C. for one month.