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US 10,085,453 B2Granted
Controlled release, wood preserving composition with low-volatile organic content for treating in-service utility poles, posts, pilings, cross-ties and other wooden structures
AssigneeOsmose Utilities Services, Inc.
InventorsDouglas J. Herdman, Jun Zhang, Thomas Pope, Randy C. Marquardt
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Abstract
Disclosed herein are compositions including a dispersion of solid particles of a substantially insoluble copper compound, and an organic biocide, wherein at least 20% of all particles of the composition have a particle size greater than 25 microns. Also disclosed herein are methods of making and using the same.
Claims20
A composition comprising:
- a dispersion of solid particles of a substantially insoluble copper compound, and
- an organic biocide,
- wherein at least 20% of all particles of the composition have a particle size greater than 25 microns, and
- wherein the dispersion of solid particles of the substantially insoluble copper compound is in an amount from 0.001% to 10% by weight of the composition.
1 more element
A method comprising blending particles of a substantially insoluble copper compound;
- and an organic biocide;
- to produce a composition, wherein at least 20% of all particles of the composition have a particle size greater than 25 microns,
- wherein the composition contains from 1% to 5% copper atoms by weight of the composition.
A composition comprising:
- a dispersion of solid particles of a substantially insoluble copper compound, and
- an organic biocide,
- wherein at least 20% of all particles of the composition have a particle size greater than 25 microns, and
- wherein the composition contains no more than 36 grams volatile organic compounds (VOCs) per liter of wood preservative coating.
1 more element
Dependencies are inferred from the claim text.