B - Operations – Transporting – 27 – K
Patent
B - Operations, Transporting
27
K
B27K 3/32 (2006.01) B27K 3/16 (2006.01) B27K 3/22 (2006.01)
Patent
CA 2417670
The specification describes wood preserving compositions comprising basic aqueous solutions of zinc and boron compounds. In particular the specification describes wood preserving compositions comprising zinc borate dissolved in aqueous ammonia. Other preservatives such as copper and quaternary ammonium compounds may also be included. Wood impregnated with the preservative composition is resistant to leaching.
La présente invention concerne des compositions de préservation du bois contenant des solutions aqueuses à base de composés de zinc et de bore. Plus particulièrement, l'invention concerne des compositions de préservation du bois à base de borate de zinc dissous dans de l'ammoniaque aqueuse. Par ailleurs, on peut ajouter d'autres agents de préservation, tels que le cuivre et les composés d'ammonium quaternaire. Le bois traité avec cette composition de préservation est résistant au délavage.
Monash University
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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