Patents by Inventor Georges Gabra

Georges Gabra 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).

  • Patent number: 4431615
    Abstract: The recovery of substantially pure magnesium and/or nickel sulphite which is present in a solid starting meterial. The latter is treated with gaseous SO.sub.2 in water, the solution obtained is treated by a liquid-liquid extraction, to give an aqueous phase and an organic phase and the magnesium and/or nickel sulphite is recovered from the aqueous phase. With this process, it is possible to obtain a magnesium salt of high purity.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: February 14, 1984
    Assignee: Gouvernement du Quebec
    Inventor: Georges Gabra