The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 16, 2009
Filed:
Mar. 31, 2005
Yatao HU, Malvern, PA (US);
Neil T. Miller, King of Prussia, PA (US);
David M. Schubert, Lone Tree, CO (US);
Yatao Hu, Malvern, PA (US);
Neil T. Miller, King of Prussia, PA (US);
David M. Schubert, Lone Tree, CO (US);
PQ Corporation, Berwyn, PA (US);
U.S. Borax Inc., Greenwood Village, CO (US);
Abstract
Compositions and methods are provided for treating wood products to provide leach-resistant protection against fungal decay, termites and other wood destroying organisms. The preservative compositions provided include ammonia-stabilized solutions of zinc and boron, preferably in a molar ratio of Zn:B of between about 0.4:1 and 5:1, and are essentially copper free. The preservative may be applied by vacuum and/or pressure treatment or dip treatment under atmospheric pressure.