Copper/amine oxide wood preservatives
US6340384B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | May 24, 2000 |
| Grant date | Jan 22, 2002 |
| Priority date | — |
| Expiry date | May 24, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB27K2240/70
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The present invention provides a composition comprising an amine oxide and an aqueous copper amine complex. Another embodiment of the present invention is a method for preserving and/or waterproofing a wood substrate by contacting the composition with the wood substrate. Yet another embodiment is an article comprising a wood substrate and the composition of the present invention. This composition has high efficacy against fungi, including copper tolerant fungi such as brown rot and soft rot, and is phase stable at high concentrations. Additionally, the amine oxide in the composition may impart waterproofing properties. The composition of the present invention is halide free and is environmentally friendly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.