Wood preservation method and wood preservative
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United States of America Patent
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Jul 23, 1996
Grant Date -
N/A
app pub date -
Apr 29, 1994
filing date -
Nov 1, 1991
priority date (Note) -
Expired
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Abstract
The invention concerns a method and a preservative for protecting wood against decay. According to the method wood is treated with a wood preservative capable of preventing the growth and spread of fungi, said preservative containing at least one complexing agent which binds at least a portion of those metals, typically iron and manganese, naturally occurring in wood that are essential to the growth of fungi. The complexing agents employed can be, e.g., ethylenediaminetetra-acetate, ethylene diamine-di-o-hydroxyphenylacetate a polyphospate or a siderophore produced by a microorganisms. The wood preservative used in the method is water-borne and specific to the decay fungi attacking wood.
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