Wood preservative formulations comprising isothiazolones which provide protection against surface staining
AssigneeArch Timber Protection Limited
InventorsPaul Stuart Warburton, Lee Mason, Andrew Stewart Hughes
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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.
Claims31
A wood preservative formulation comprising an isothiazolone, an organic fungicidal timber decay preservative and an unsaturated carboxylic or sulphonic acid, salt or precursor thereof.
A wood preservative kit comprising:
- (i) a formulation comprising an organic fungicidal timber decay preservative and an unsaturated carboxylic or sulphonic acid, salt or precursor thereof;
- and
- (ii) a formulation comprising an isothiazolone.
31-32. (canceled)
Dependencies are inferred from the claim text.