A - Human Necessities – 01 – N
Patent
A - Human Necessities
01
N
6/15, 9/70
A01N 25/02 (2006.01) A01N 25/30 (2006.01) B27K 3/34 (2006.01) B27K 3/36 (2006.01) B27K 3/38 (2006.01)
Patent
CA 1197060
PROCESS FOR THE AQUEOUS IMPREGNATION OF GREEN WOOD WITH OIL-SOLUBLE METAL SALTS ABSTRACT OF THE DISCLOSURE A process for impregnating green wood with oil-soluble metal salts is described. The method comprises (a) contacting the green wood with an aqueous system com- prising (i) water, (ii) at least one oil-soluble metal salt of an organic carboxylic acid, and (iii) at least one surfactant for a period of time sufficient to enable the metal salt to penetrate into the wood, and (b) removing the wood from contact with the aqueous system. Good penetration of the metal salt into the green wood is realized by this method when conducted under vacuum, at atmospheric pressure or at elevated pressures. Preferably, the metal salt is a preservative such as fungicide, and the aqueous system also contains other desirable components such as fire retardants, coloring agents and insecticides.
429744
Asmus Richard W.
Collins Albert V.
Marcoux & Sher Swabey Mitchell Houle
Mooney Chemicals Inc.
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