Low odor creosote-based compositions and uses thereof
US9808955B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 3, 2015 |
| Grant date | Nov 7, 2017 |
| Priority date | — |
| Expiry date | Mar 3, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB27K2240/20
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Provided is a wood treatment composition comprising a reaction product produced by reacting a mixture, which includes creosote and a fatty ester component, in the presence of a Lewis acid catalyst. The reaction mixture may optionally include bunker oil and/or a borate ester. The mixture may comprise i) at least about 85 wt % creosote; and ii) at least about 1 wt % of an ester component containing one or more C8-C50 fatty esters. Also provided are wood treated with the composition and methods for using the composition to treat wood.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.