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Use of ionic liquids as coordination ligands for organometallic catalysts

United States Patent

November 10, 2009
View the Complete Patent at the US Patent & Trademark Office
Aspects of the present invention relate to compositions and methods for the use of ionic liquids with dissolved metal compounds as catalysts for a variety of chemical reactions. Ionic liquids are salts that generally are liquids at room temperature, and are capable of dissolving a many types of compounds that are relatively insoluble in aqueous or organic solvent systems. Specifically, ionic liquids may dissolve metal compounds to produce homogeneous and heterogeneous organometallic catalysts. One industrially-important chemical reaction that may be catalyzed by metal-containing ionic liquid catalysts is the conversion of methane to methanol.
Li; Zaiwei (Moreno Valley, CA), Tang; Yongchun (Walnut, CA), Cheng; Jihong (Arcadia, CA)
California Institute of Technology (Pasadena, CA)
11/ 228,788
September 16, 2005
GOVERNMENT RIGHTS The U.S. Government has certain rights in this invention pursuant to Grant No. DE-FC36-04GO14276 S-107,807 awarded by the Department of Energy.