B - Operations – Transporting – 27 – K
Patent
B - Operations, Transporting
27
K
9/70, 31/80.1, 6
B27K 3/52 (2006.01)
Patent
CA 1124453
ABSTRACT OF THE DISCLOSURE Wood is impregnated with a solution of tannic acid followed by impregnation with a solution of a metal in the form of a salt for protect- ing wood from wood degrading organisms including termites, fungi, and marine borers. The metal selected is one that will complex with both the impregnated tannic acid and the wood, such as ferric chloride.
347151
Mitchell Ralph
Sleeter Thomas D.
Fetherstonhaugh & Co.
Mitchell Ralph
Sleeter Thomas D.
LandOfFree
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