Patents by Inventor Francis Deslandes

Francis Deslandes 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).

  • Superconductive mixed valence copper oxide, and method of making it
    Patent number: 4843059
    Abstract: A superconducting mixed valence copper oxide, having a formula of the type:(La.sub.2-x (Y.sub.x" Bi.sub.1-x").sub.x' Sr.sub.x-x').sub.1-e CuO.sub.4-y,where:0.ltoreq.x<0.30.ltoreq.x'.ltoreq.0.2 with x'<x0.ltoreq.x".ltoreq.10<y.ltoreq.0.10.ltoreq.e.ltoreq.0.005.
    Type: Grant
    Filed: March 10, 1988
    Date of Patent: June 27, 1989
    Assignee: Compagnie Generale D'Electricite
    Inventors: Francis Deslandes, Claude Michel, Jackie Provost, Bernard Raveau, Andre Sulpice, Jean-Louis Tholence, Bernard Chevalier