Patents by Inventor Vanessa R. Youchum

Vanessa R. Youchum 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).

  • Removal of niobium second phase particle deposits from pickled zirconium-niobium alloys
    Patent number: 7887638
    Abstract: The present invention relates generally to a process and chemical composition for the removal of adherent niobium-rich second-phase particles (SPPs) from pickled niobium-containing zirconium alloys which includes applying to the alloy surface a chemical composition comprising alkaline hydrogen peroxide; an alkali metal meta-silicate; and a magnesium salt.
    Type: Grant
    Filed: October 3, 2008
    Date of Patent: February 15, 2011
    Assignee: Westinghouse Electric Co. LLC
    Inventors: David F. McLaughlin, Vanessa R. Youchum
  • REMOVAL OF NIOBIUM SECOND PHASE PARTICLE DEPOSITS FROM PICKLED ZIRCONIUM-NIOBIUM ALLOYS
    Publication number: 20080230090
    Abstract: The present invention relates generally to a process and chemical composition for the removal of adherent niobium-rich second-phase particles (SPPs) from pickled niobium-containing zirconium alloys which includes applying to the alloy surface a chemical composition comprising alkaline hydrogen peroxide; an alkali metal meta-silicate; and a magnesium salt.
    Type: Application
    Filed: February 12, 2008
    Publication date: September 25, 2008
    Inventors: David F. McLaughlin, Vanessa R. Youchum