Method for fixing chromated copper arsenate treating agents in wood
US4942064A · kind A · utility
9Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 21, 1988 |
| Grant date | Jul 17, 1990 |
| Priority date | — |
| Expiry date | Jun 21, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB27K3/52
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method for fixing chromated copper arsenate agents in wood by treating the wood with a fixing agent selected from the following: ##STR1## wherein R.sub.1 is the same or different and is hydrogen, phenyl or an alkyl group having 1 to 4 carbon atoms, R.sub.2 is hydrogen or an alkyl group having 1 to 4 carbon atoms and R.sub.3 is (R.sub.4).sub.2 (HO)C-- or R.sub.4 OOC-- and R.sub.4 is hydrogen, an alkyl group having 1 to 4 carbon atoms, phenyl or pyridyl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.