Tungstate and molybdate wood preservatives

Details Tungstate and molybdate wood preservatives Tungstate and molybdate wood preservatives

A - Human Necessities

01

N

A01N 59/20 (2006.01) A01N 59/16 (2006.01) A01P 3/00 (2006.01) A01P 7/04 (2006.01) B27K 3/32 (2006.01) A01N 35/06 (2006.01) A01N 37/10 (2006.01) B27K 3/52 (2006.01)

Patent

CA 2635267

Complexes of copper and/or zinc with molybdate and/or tungstate were solubilized in ammonia or ammoniacal solution providing preservative solutions that fully penetrate wood. With loss of the ammonia from the wood, the complexes were stably retained in the wood providing a long lasting preservative.

L'invention concerne des complexes de cuivre et/ou de zinc avec du molybdate et/ou du tungstate, solubilisés dans de l'ammoniac ou une solution ammoniacale pour obtenir des solutions de conservation pénétrant profondément dans le bois. Avec la perte d'ammoniac du bois, les complexes sont retenus de manière stable dans le bois, permettant ainsi d'obtenir un agent de conservation de longue durée.

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