Patents by Inventor Monique Goujet

Monique Goujet 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).

  • Hydrometallurgical process for treating nickel mattes
    Patent number: 4236981
    Abstract: This invention provides a process for treating a nickel matte to recover essentially pure nickel comprising: treating an aqueous mixture of the matte with chlorine to produce a solid residue and an aqueous lixiviating solution having a pH value which is substantially nil or positive; treating the lixiviating solution to produce a solution containing primarily nickel chloride; and electrolyzing the solution to recover pure nickel at the cathode.
    Type: Grant
    Filed: July 5, 1979
    Date of Patent: December 2, 1980
    Assignee: Societe Metallurgique le Nichel-S.L.N.
    Inventors: Jean-Michel Demarthe, Louis Gandon, Monique Goujet
  • Hydrometallurgical method for treating nickel mattes
    Patent number: 4173520
    Abstract: This invention provides a process for treating a nickel matte to recover essentially pure nickel comprising: treating an aqueous mixture of the matte with chlorine to produce a solid residue and an aqueous lixiviating solution having a pH value which is substantially nil or positive; treating the lixiviating solution to produce a solution containing primarily nickel chloride; and electrolyzing the solution to recover pure nickel at the cathode.
    Type: Grant
    Filed: November 8, 1977
    Date of Patent: November 6, 1979
    Assignee: Societe Metallurgique le Nickel-S.L.N.
    Inventors: Jean-Michel Demarthe, Louis Gandon, Monique Goujet