Chemical and Biomolecular Engineering

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  • Inventor(s):
    Mark Muldoon, Joan F. Brennecke, Edward J. Maginn, Eric F. V. Scriven, Colin H. McAteer
    Patent Number:
    US 7687513 B2
    Description:

    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 present…

    Date Issued:
    2010-03-30
    Resource Type
    Patent
  • Inventor(s):
    Joan F. Brennecke, Edward J. Maginn
    Patent Number:
    US 6579343 B2
    Description:

    The present invention provides a method for purifying a gas by contacting the gas with a liquid ionic compound. Natural gas may be purified, removing water and carbon dioxide, by contacting the natural gas with a liquid ionic compound.

    Date Issued:
    2003-06-17
    Resource Type
    Patent
  • Inventor(s):
    Agnes E. Ostafin, Robert Nooney, Edward J. Maginn
    Patent Number:
    US 6913825 B2
    Description:

    Nanoparticles, nanocomposites, and methods for making the nanoparticles and nanocomposites are disclosed. Illustrated methods include preparing a nanocomposite particle by binding a silicate compound to the surface of a core particle in an aqueous suspension, adding a silicate source and an organic surfactant template, and stirring the aqueous suspension to obtain silicate growth. The resultant nanoparticles and nanocomposites have desired mesoporous silicate structure

    Date Issued:
    2005-07-05
    Resource Type
    Patent
  • Inventor(s):
    William F. Schneider, Joan F. Brennecke, Edward J. Maginn, Elaine Mindrup, Burcu Gurkan, Erica Price, Brett Goodrich
    Patent Number:
    US 9951008 B2
    Description:

    Some embodiments described herein relate to ionic liquids comprising an anion of a heteraromatic compound such as optionally substituted pyrrolide, optionally substituted pyrazolide, optionally substituted indolide, optionally substituted phospholide, or optionally substituted imidazolide. Methods and devices for gas separation or gas absorption related to these ionic liquids are also described herein.

    Date Issued:
    2018-04-24
    Resource Type
    Patent
  • Inventor(s):
    Edward J. Maginn, William F. Schneider, Joan F. Brennecke
    Patent Number:
    US 10086331 B2
    Description:

    Disclosed herein are methods for CO.sub.2 capture that use phase change ionic liquids (PCILs) to remove the CO.sub.2 from flue gas or other gas streams containing CO.sub.2. PCILs have high CO.sub.2 uptake and form a liquid PCIL-CO.sub.2 complex when they react with C( ).sub.2. When the liquid PCIL-CO.sub.2 complex is heated to regenerate the solid PCIL material by removing the carbon dioxide, part of the heat needed to release the CO.sub.2 can be supplied by the heat of fusion of the PCIL as …

    Date Issued:
    2018-10-02
    Resource Type
    Patent