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:
Dec. 01, 2008
Filed:
Aug. 21, 2007
Thomas L. Harper, Middletown, NY (US);
Boris Reznikov, Fair Lawn, NJ (US);
Allan Rosenberg, South Orange, NJ (US);
Thomas L. Harper, Middletown, NY (US);
Boris Reznikov, Fair Lawn, NJ (US);
Allan Rosenberg, South Orange, NJ (US);
Sommerville Acquisitions Company, Inc., Flemington, NJ (US);
Abstract
An aqueous wood preservation composition containing inorganic polymers of one or more of the following metals is disclosed; aluminum (approximately 3.8%-7.0% as AlO), zirconium (approximately 5.25%-9.1% as ZrO), copper (approximately 0.7%-8.8% as CuO) and a fixing agent such as acetic acid or sodium acetate. The pH is adjusted to be between 2.0-4.0 using an inorganic base such as copper carbonate. The invention includes wood and cellulose fibers treated by the composition of the present invention as well as methods of preserving wood and cellulose fibers using the compositions.