Patent ID: 9253977
Filing Date: 2016-02-09
CPC Classification: A01N,B27K,Y10T

Claim Text:
1. A microencapsulated organic biocidal composition for impregnating a wood or timber product comprising a plurality of microcapsules each comprising a water immiscible solvent surrounded by a polymeric outer shell, the water immiscible solvent containing one or more organic biocides selected from fungicides, insecticides, and a combination thereof, wherein the one or more insecticide or fungicide is selected from the group consisting of an isothiazolone, a benzothiazole, a pyrethroid, a neonicotinoid, a halogenated carbamate, an azole, a chloronitrile, or a combination thereof, and further characterized in that the mean microcapsule diameter is between about 1.5 microns and about 20 microns such that impregnation of a wood or timber product results in retention of a biocidally effective amount of said biocides within the inner ninth core of said product, wherein the composition is diluted in water.