Wood treatment composition
US4929454A · kind A · utility
51Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 18, 1985 |
| Grant date | May 29, 1990 |
| Priority date | — |
| Expiry date | Oct 18, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB27K3/34
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a method of preserving wood material and rendering said wood material resistant to biological deterioration, by impregnating a wood material with a composition comprising an aqueous ammoniacal solution of copper and quaternary ammonium compounds. The invention also embraces the product resulting therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.