Patents by Inventor Gregory Dard

Gregory Dard 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).

  • Elimination of metal ions from aqueous effluents
    Patent number: 7393454
    Abstract: Method for the elimination of metal ions from aqueous media, such as zinc, lead, chrome, copper, iron, aluminium, manganese, cadmium, cerium or silver and mixtures of the metals present in a trace or ultratrace state in aqueous effluents, by adsorption on a solid charge containing a metal chosen from group VIII.
    Type: Grant
    Filed: March 12, 2002
    Date of Patent: July 1, 2008
    Assignee: Centre National de la Recherche Scientifique (C.N.R.S)
    Inventors: Jean-Marie Basset, Jean-Pierre Candy, Gregory Dard