Abstract: A chromium-free wood preservative consisting essentially of 1 to 35% by weight of a mixture of 25 to 75 parts by weight of a fatty amine ethoxylate and 75 to 25 parts by weight of at least one member of the group consisting of an unsaturated fatty acid of 3 to 25 carbon atoms and their copper and zinc salts and water.
Type:
Grant
Filed:
March 26, 1996
Date of Patent:
January 14, 2003
Assignee:
WEYL GmbH
Inventors:
Volker Barth, Helmut Hartner, Volker Beez