Amino acid-solubilized borate, silicate and zinc compositions and methods for treating wood products
US7470313B2 · kind B2 · utility
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30Claims
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Key dates
| Filing date | Mar 31, 2005 |
| Grant date | Dec 30, 2008 |
| Priority date | — |
| Expiry date | Mar 31, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31989
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Compositions and methods are provided for treating products containing wood fibers to provide protection against wood destroying organisms and fire, and resistance against leaching of the preservative from the wood fibers by water in exposed environments such as exterior applications. The methods involve applying to a substrate an aqueous preservative composition containing a boron compound, a source of zinc, an aqueous silicate, a source of alkalinity, and an amino acid. The compositions may be applied by vacuum and/or pressure treatment or dip treatment under atmospheric pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.