B - Operations – Transporting – 27 – K
Patent
B - Operations, Transporting
27
K
117/210
B27K 3/50 (2006.01) B27K 3/36 (2006.01)
Patent
CA 1332904
An improved process for penetrating of difficult-to-treat wood with preservative liquids containing metal salts is described. More particu- larly, the improved process comprises the steps of contacting the wood with a mixture comprising (A-1) a preservative-effective amount of at least one hydrocarbon-soluble transition metal salt of an organic carboxylic acid, and (A-2) a hydrocarbon solvent comprising at least 50% by weight of at least one petroleum distillate. The solvent utilized in the process of the invention optionally may contain one or more aromatic hydrocarbons. Preferably the solvent (A-2) will comprise at least about 50% of at least one paraffinic hydrocarbon having a boiling point above 130°C. The mixture also may contain other desirable components in addition to the metal salts such as insecticides, flame retardants, colorants, fungicides, water repellents, etc. In a preferred embodiment, the metal salt of the organic carboxylic acid utilized in the process is a fungicide.
551635
Omg Americas Inc.
Swabey Ogilvy Renault
LandOfFree
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