Patents by Inventor Mark Muldoon

Mark Muldoon has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Aminopyridinium ionic liquids
    Patent number: 7687513
    Abstract: Disclosed herein are aminopyridinium cations and compositions containing these cations. Piperidino pyridinium cations and compositions containing these cations are also described. Ionic compositions, particularly liquid ionic compositions that contain the aminopyridinium cation or piperidino pyridinium cation are also described. Methods of enhancing the thermal stability of a compound, particularly an ionic compound, using the aminopyridinium or piperidino pyridinium cations, are also presented. Compositions having an expanded liquidus range of from about ?73° C. to about 444° C. are also described. Solvents, heat transfer fluids, and lubricants having improved thermal stability characteristics and an expanded and improved liquidus range are also disclosed.
    Type: Grant
    Filed: October 21, 2005
    Date of Patent: March 30, 2010
    Assignee: University of Notre Dame Du Lac
    Inventors: Mark Muldoon, Joan F. Brennecke, Edward J. Maginn, Eric F. V. Scriven, Colin H. McAteer, Ramiah Murugan