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:
Mar. 03, 2009
Filed:
Dec. 21, 2006
Applicants:
Albert Gordon Anderson, Wilmington, DE (US);
John Feaster, Chesapeake City, MD (US);
Damini Patel, Wallingford, PA (US);
Mark Scialdone, West Grove, PA (US);
Inventors:
Albert Gordon Anderson, Wilmington, DE (US);
John Feaster, Chesapeake City, MD (US);
Damini Patel, Wallingford, PA (US);
Mark Scialdone, West Grove, PA (US);
Assignee:
E. I. dupont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N 59/16 (2006.01); A01N 59/20 (2006.01); A01N 31/08 (2006.01); A01N 31/00 (2006.01); B05D 5/00 (2006.01); B05D 7/06 (2006.01); B05D 1/02 (2006.01); B05D 1/18 (2006.01); B05D 1/28 (2006.01); B05D 3/00 (2006.01); B32B 21/04 (2006.01); B32B 21/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
Complexes of copper and/or zinc with molybdate and/or tungstate were solubilized in ammonia or ammoniacal solution providing preservative solutions that fully penetrate wood. With loss of the ammonia from the wood, the complexes were stably retained in the wood providing a long lasting preservative.