Patents by Inventor Michel Olette

Michel Olette 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 and apparatus for desulfurizing of liquid metals
    Patent number: 3953308
    Abstract: A layer of electrolyte in pulverulent form is spread over the free surface of a liquid metal to be desulfurized, in which the layer provides cationic conductivity by means of a cation adapted to react with the sulfur contained in the metal. The electrolyte layer is contacted with a first electrode connected to the positive pole of a direct current supply and the metal is contacted by a second electrode connected to the negative pole of the current supply.
    Type: Grant
    Filed: March 18, 1975
    Date of Patent: April 27, 1976
    Assignee: Institut de Recherches de la Siderurgie Francaise (IRSID)
    Inventors: Christian Gatellier, Michel Olette
  • Process for desulfurizing molten metals
    Patent number: 3944476
    Abstract: Process for decreasing the sulfur content of liquid metal using high temperature comprising passing a direct current by means of two electrodes through a solid electrolyte constituting a refractory wall of oxide having anionic conductivity through the oxygen (O.sup.-.sup.-) ions and also cationic conductivity through ions which are capable of reacting with the sulfur, wherein the metal to be purified forms the negative electrode. The process is particularly adapted to desulfurizing iron and ferrous alloys when present in the liquid state.
    Type: Grant
    Filed: May 20, 1974
    Date of Patent: March 16, 1976
    Assignee: Institut de Recherches de la Siderurgie Francaise
    Inventors: Christian Gatellier, Michel Olette