Patents by Inventor Paula Chinn Stephenson

Paula Chinn Stephenson 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).

  • Oxygen-selective sorbents
    Patent number: 5945079
    Abstract: The invention comprises a process for air separation using oxygen-selective sorbents with enhanced selectivity, loading capacities and oxygen uptake rates have a transition element complex in solid form supported on a high surface substrate. The transition element complex is substantially uniformly spaced, and includes a transition element ion accessible to an oxygen-containing gas stream during use in the separation of oxygen from an oxygen-containing gas mixture such as air.
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: August 31, 1999
    Assignee: Praxair Technology, Inc.
    Inventors: Joseph Timothy Mullhaupt, Neil Andrew Stephenson, Paula Chinn Stephenson