Solidified water soluble wood preservative and method of making

Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants

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Details

2524004, 25240053, 424635, 424659, 424660, 428366, C09K 1502, C09K 1532, A01N 5914, A01N 5920

Patent

active

06001279&

ABSTRACT:
A solidified water soluble wood preservative characterized by a solidified elongate body of a boron compound known as having beneficial effects as a wood preservative, in combination with copper oxide. The method of making the solidified water soluble wood preservative includes the following steps. Firstly, mixing powder-form copper oxide (CuO) and a powder-form boron compound known as having beneficial effects as a wood preservative to form a powder mixture. Secondly, heating the powder mixture at temperatures in excess of 700 degrees celsius until the powder mixture melts to form a homogeneous liquid mixture. Thirdly, forming the homogeneous liquid mixture into a body. Fourthly, annealing the body at temperatures of between 300 and 550 degrees celsius.

REFERENCES:
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patent: 4269875 (1981-05-01), Bechgaard et al.
patent: 4620990 (1986-11-01), Dicker
patent: 4661157 (1987-04-01), Beauford et al.
patent: 4911988 (1990-03-01), Cass et al.
patent: 5342438 (1994-08-01), West

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