Process for preparing fine particle dispersion for wood preservation
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United States of America Patent
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Issued Date -
Jun 25, 2009
app pub date -
Feb 25, 2008
filing date -
Dec 21, 2007
priority date (Note) -
Abandoned
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Abstract
The present invention provide a method for producing micronized solid particles through a two-step process. The solid particles of the invention comprise metals or metal compounds, especially copper and copper compounds. The solid particle of the invention further comprise organic biocides. The invention further provides a wood preservative composition and wood comprising the solid particles of the invention, which may be diluted to the target concentration with or without addition of a co-biocide and vacuum/pressure impregnated into a variety wood species including refractory wood species to effectively preserve the material from fungal and insect attack.
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