Patent ID: 6090855
Filing Date: 2000-07-18
Classification: A01N,B27K,C07C,Y10T

Abstract:
Biodegradation resistant wood comprising(A) a substrate comprising wood; and(B) a wood preservative system comprising a biocidal effective amount of(a) at least one di C.sub.8 -C.sub.12 alkyl quaternary ammonium carbonate having the formula ##STR10## wherein R.sup.1 is a C.sub.8 -C.sub.12 alkyl group; and (b)(1) at least one di C.sub.8 -C.sub.12 alkyl quaternary ammonium bicarbonate having the formula ##STR11## wherein R.sup.1 is the same or a different C.sub.8 -C.sub.12 alkyl group as in (a); or(2) at least one di C.sub.8 -C.sub.12 alkyl quaternary ammonium metal carbonate having the formula ##STR12## wherein R.sup.1 is the same or a different C.sub.8 -C.sub.12 alkyl group as in (a) or (b) and M is a non-coupler metal, or(3) a combination of (b)(1) and (b)(2);said wood preservative system being metal coupler-free.