US 7,462,227 B2
Ibuprofen complexes as wood preservatives
Albert Gordon Anderson, Wilmington, Del. (US); John Feaster, Chesapeake City, Md. (US); Damini Patel, Wallingford, Pa. (US); and Mark Scialdone, West Grove, Pa. (US)
Assigned to E.I. du Pont de Nemours and Company, Wilmington, Del. (US)
Filed on Dec. 21, 2006, as Appl. No. 11/643,599.
Claims priority of provisional application 60/755214, filed on Dec. 30, 2005.
Prior Publication US 2007/0169664 A1, Jul. 26, 2007
Int. Cl. A01N 59/16 (2006.01); A01N 59/20 (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. 106—15.05  [106/18.36; 252/399; 252/400.1; 252/400.52; 252/400.54; 252/405; 252/407; 424/78.08; 424/78.09; 424/405; 424/638; 427/297; 427/351; 427/421.1; 427/428.01; 427/429; 427/439; 427/440; 428/375; 428/532; 428/537.1; 428/537.5; 514/492; 514/494; 514/500; 514/557; 514/568; 514/570; 514/784] 28 Claims
 
1. An aqueous composition comprising in admixture (a) a complex comprising (i) ibuprofen, and (ii) copper ions, zinc ions or a mixture thereof; and (b) ammonia and/or ethanolamine; wherein component (b) is present in an amount sufficient to solubilize the complex.