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US 2025/0052736 A1Published application
Methods for determining a source of wood products, wood preservative compositions, wood products, and methods of treating wood substrates
AssigneeKoppers Performance Chemicals Inc.
InventorsJavier Romero, Douglas Herdman, Jun Zhang, Barry Sewell
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Abstract
Methods for determining a source of wood products, wood products, wood preservative compositions, and methods of treating wood substrates are provided. The method comprises detecting a presence of a marker in the wood product and determining the source of the wood product based on the detected presence of the marker.
Claims33
A method for determining a source of a treated wood product, the method comprising:
- detecting a presence of a marker in the treated wood product;
- and
- determining the source of the treated wood product based on the detected presence of the marker.
A wood preservative composition comprising:
- at least 0.1% by weight of chromated copper arsenate (CCA) based on a total weight of the wood preservative composition;
- 0.01% to 10% by weight of a metal salt and/or a metal oxide based on the total weight of the wood preservative composition;
- and
- an aqueous solvent.
1 more element
Dependencies are inferred from the claim text.