Wood preservative and method for producing same
US11140901B2 · kind B2 · utility
0Cited by
5References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2018 |
| Grant date | Oct 12, 2021 |
| Priority date | — |
| Expiry date | Jan 2, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB27K2240/20
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A synergistic aqueous wood preservative composition comprising a copper compound and penflufen. The copper compounds of the compositions of the invention may be soluble, partially solubilized or micronized particles. The penflufen of the compositions of the invention may be solubilized, emulsified or particulate. The wood preservative compositions of the present invention are surprisingly provided as stable dispersions and confer surprising and unexpected resistance to treated wood and wood products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.