WOOD PRESERVATIVE FORMULATIONS COMPRISING ISOTHIAZOLONES WHICH PROVIDE PROTECTION AGAINST SURFACE STAINING
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United States of America Patent
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Issued Date -
Aug 15, 2013
app pub date -
Apr 13, 2011
filing date -
Apr 13, 2010
priority date (Note) -
Abandoned
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Abstract
The present invention provides a wood preservative formulation comprising an isothiazolone, an organic fungicidal timber decay preservative and an unsaturated carboxylic or sulphonic acid, salt or precursor thereof. The formulations of the invention are surprisingly effective at protecting wood and other cellulosic substrates, in particular at providing prolonged protection against in-service surface staining. The invention also provides methods for treating wood and other cellulosic substrates with said formulations.
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