Patents by Inventor Gerard Parissis

Gerard Parissis 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).

  • Process for removing a coating containing niobium from a substrate
    Patent number: 4950359
    Abstract: Cleaning baths for the removal of a coating containing niobium on a substrate, consisting of an aqueous solution of hydrogen peroxide and of alkali metal hydroxide. The coating is treated with the bath, to remove it from the substrate by dissolving.
    Type: Grant
    Filed: August 17, 1989
    Date of Patent: August 21, 1990
    Assignee: Solvay & Cie (Societe Anonyme)
    Inventors: Gerard Parissis, Lucien Clerbois