Wood preservatives
US12082583B2 · kind B2 · utility
0Cited by
8References
8Claims
0Family size
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Key dates
| Filing date | Mar 29, 2018 |
| Grant date | Sep 10, 2024 |
| Priority date | — |
| Expiry date | Feb 15, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/7671
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for preserving wood by contacting wood with a composition comprising a polyurethane polymer, non-aqueous solvents, and a wood preservative.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.