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:
Aug. 09, 2011
Filed:
May. 04, 2005
Lehong Jin, Charlotte, NC (US);
Alan F. Preston, Charlotte, NC (US);
Kevin J. Archer, Charlotte, NC (US);
Futong Cui, Charlotte, NC (US);
Andrew R. Zahora, Charlotte, NC (US);
Paul J. Walcheski, Mount Ulla, NC (US);
Lehong Jin, Charlotte, NC (US);
Alan F. Preston, Charlotte, NC (US);
Kevin J. Archer, Charlotte, NC (US);
Futong Cui, Charlotte, NC (US);
Andrew R. Zahora, Charlotte, NC (US);
Paul J. Walcheski, Mount Ulla, NC (US);
Viance, LLC, Charlotte, NC (US);
Abstract
A composition is disclosed comprising a long-chain quaternary ammonium compound and a wood preservative active agent or a mixture thereof. The long-chain quaternary ammonium compound includes at least one alkyl moiety having from 16 to 50 carbon atoms, unsubstituted or substituted with one or more N, O, S, or halogen atoms. A method of treating wood is disclosed, comprising impregnating wood with the above composition in an amount effective to reduce the preservative active ingredient loss in the treated wood or to increase the resistance of the wood to decay. Treated wood and wood products are disclosed comprising wood impregnated with the above composition, including a treatment level of the long-chain quaternary ammonium compound effective to reduce the preservative active ingredient loss in the treated wood or to increase the resistance of the wood to decay.