Patents by Inventor Norma P. Ugarte

Norma P. Ugarte 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).

  • Platinum-impregnated hydrous tin oxide catalysts
    Patent number: 7897293
    Abstract: A chemical composition is provided having the formula: M—SnOx.yH2O M is a platinum group metal and x and y are positive numbers. The hydrous platinum tin oxide may be used in the cathode of a fuel cell as a catalyst for oxygen reduction.
    Type: Grant
    Filed: October 20, 2003
    Date of Patent: March 1, 2011
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Karen S. Lyons, Norma P. Ugarte