#$%^&*AU2016247088A120161103.pdf#####Abstract The present invention relates to a wood preservative formulation comprising a biocidal agent which is a copper or zinc ion complexed with an amino acompound selected from the group consisting of ammonia, a water soluble amine or aikanoiamine and an aminocarboxyiic acid and a cationic polymer, as well as to aqueous treatment solutions comprising such a formulation and methods of treating wood or other cellulosic material utilising said formulation. (Figure 1)WO 2013/064798 PCT/GB2012/000826 113 % Uptake increase relative to no additive .200-.-............. . ..-. . ...- . . . ~. ....... ... . . . ... .. .u. ......... ..0........................ qOO Figure 1 cl i mc-ri-i itr c ii rr-r /ni i i r r-\