Patents Represented by Attorney Renuka N. Ganesh

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  • Class of olefin metathesis catalysts, methods of preparation, and processes for the use thereof
    Patent number: 8227371
    Abstract: This invention relates to a metathesis catalyst comprising (i) a Group 8 metal hydride-dihydrogen complex represented by the formula: wherein M is a Group 8 metal; X is an anionic ligand; and L1 and L2 are neutral donor ligands; and (ii) a ligand exchange agent represented by the formula J-Y, wherein J is selected from the group consisting of hydrogen, a C1 to C30 hydrocarbyl, and a C1 to C30 substituted hydrocarbyl; and Y is selected from the group consisting of halides, alkoxides, aryloxides, and alkyl sulfonates.
    Type: Grant
    Filed: September 24, 2010
    Date of Patent: July 24, 2012
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Matthew W. Holtcamp, Matthew S. Bedoya, Laughlin G. McCullough