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United States Patent Application

View the Complete Application at the US Patent & Trademark Office
The present invention is directed to compositions and methods for the recovery of olefins from a mixture. The compositions of the present invention comprise: (1) a transition metal ion; (2) a counter anion; (3) a ligand selected from the group consisting of a bidentate ligand and a tridentate ligand, wherein the ligand comprises at least two nitrogen atoms, and wherein each of the nitrogen atoms comprises a lone pair of electrons; and (4) a polar solvent with a boiling point of at least about C. The methods of the present invention comprise: (1) providing the aforementioned compositions; (2) bonding at least a portion of the olefins in a mixture to the transition metal ion in the composition to form a complex; (3) separating the complex from the mixture; and (4) recovering the olefins from the complex.
Schucker, Robert C. (The Woodlands, TX), Lynch, Michael F. (Houston, TX)
Trans Ionics Corporation (The Woodlands TX)
12/ 997,148
June 8, 2009
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0001] The United States Government has rights in this invention pursuant to Contract No. DE-FG02-05ER84262 between the United States Department of Energy and Trans Ionics Corporation.