Patents by Inventor Jean Quienot

Jean Quienot 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: 4124405
    Abstract: The water-soluble pollutants contained in aqueous industrial, agricultural and domestic waste materials are converted into a water-insoluble solid mass with improved resistance to leaching of the pollutants therefrom by treatment with a particulate metallurgical slag under alkaline conditions, in the presence of a hydration-promoting agent for the slag, e.g., gypsum.
    Type: Grant
    Filed: August 2, 1976
    Date of Patent: November 7, 1978
    Assignee: PEC-Engineering Societe Anonyme
    Inventor: Jean Quienot