Patents by Inventor Kathleen Gregar

Kathleen Gregar 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).

  • Catalytic membranes for CO oxidation in fuel cells
    Publication number: 20060240304
    Abstract: A hydrogen permeable membrane, which includes a polymer stable at temperatures of about 200 C having clay impregnated with Pt or Au or Ru or Pd particles or mixtures thereof with average diameters of less than about 10 nanometers (nms) is disclosed. The membranes are useful in fuel cells or any device which requires hydrogen to be separated from carbon monoxide.
    Type: Application
    Filed: April 25, 2005
    Publication date: October 26, 2006
    Applicant: The University of Chicago
    Inventors: Giselle Sandi-Tapia, Kathleen Gregar, Riza Kizilel
  • Polymer nanocomposites for lithium battery applications
    Publication number: 20060231808
    Abstract: A single ion-conducting nanocomposite of a substantially amorphous polyethylene ether and a negatively charged synthetic smectite clay useful as an electrolyte. Excess SiO2 improves conductivity and when combined with synthetic hectorite forms superior membranes for batteries. A method of making membranes is also disclosed.
    Type: Application
    Filed: April 14, 2006
    Publication date: October 19, 2006
    Applicant: The University of Chicago
    Inventors: Giselle Sandi-Tapia, Kathleen Gregar
  • Determination of the hydrogen storage capacity of novel sepiolite-derived carbonaceous materials
    Publication number: 20060057061
    Abstract: Carbonaceous nanofibers derived from a one dimensional channeled material having hydrogen adsorbed on the surfaces thereof are disclosed as a well as a method of storing hydrogen in which a plurality of carbonaceous nanofibers derived from a one dimensional channeled material are provided, and the nanofibers are contacted with hydrogen at a temperature and pressure for a time sufficient to adsorb hydrogen thereon.
    Type: Application
    Filed: March 23, 2005
    Publication date: March 16, 2006
    Applicant: THE UNIVERSITY OF CHICAGO
    Inventors: Giselle Sandi-Tapia, Kathleen Gregar