Patents by Inventor Marcel M. Sergent

Marcel M. Sergent 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).

  • Hybrid superconductive wires or ribbons comprising a chevrel phase and another superconductive phase
    Patent number: 4808488
    Abstract: A hybrid superconductive fiber or strand comprises at least two layers surrounding a core wherein the fiber or strand comprises two superconductive materials. One of the superconductive materials is a Chevrel phase, optionally doped, which constitutes one of the layers or the core. The other superconductive material, other than the Chevrel phase, constitutes another layer, optionally lacunar, or the core.
    Type: Grant
    Filed: May 22, 1987
    Date of Patent: February 28, 1989
    Assignee: Centre Nationale de la Recherche Scientifique (CNRS)
    Inventors: Roger A. Chevrel, Marcel M. Sergent, Maryvonne F. Hirrien