Patents by Inventor Joseph G. Sovran

Joseph G. Sovran 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).

  • Plating bath and process for making microporous chromium deposits
    Patent number: 4865700
    Abstract: A composition and method are disclosed for electroplating microporous chromium layers without the requirement that microparticles be present either in the chromium layer or in a sublayer. A composition used contains chromic acid and sulfoacetic acid and, optionally, dichromate ion, sulfate ion and/or fluoride ion but being substantially free of iodide, selenide or bromide ions. A deposit having at least 20,000 micropores per square inch results. The process may be used to make multiple layer articles having an outer layer of microporous chromium.
    Type: Grant
    Filed: August 3, 1988
    Date of Patent: September 12, 1989
    Assignee: M&T Chemicals Inc.
    Inventors: Joseph G. Sovran, Robert J. Metz