Patents by Inventor Francois Maillot

Francois Maillot 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).

  • Method for producing hydroxylated nickel compounds
    Patent number: 4265718
    Abstract: A method for the production of hydroxylated nickel compounds from a solution of nickelous ions. In the first stage, a solution of nickelous ions is electrolyzed while the catholyte is maintained at a pH from about 1 to 6 and at a temperature of less than about 50.degree. C. In the second stage, the precipitate obtained during the first stage is recovered. The method is applied to the production of highly pure nickel hydroxide.
    Type: Grant
    Filed: January 9, 1980
    Date of Patent: May 5, 1981
    Assignee: Societe Metallurgique le Nickel S. L. N.
    Inventors: Armand Limare, Francois Maillot