Patents by Inventor Thierry Longuet

Thierry Longuet 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).

  • Treatment of fly ash produced by a waste incinerator and containing chlorides of toxic metals
    Patent number: 5716316
    Abstract: This invention relates to a process for treating fly ash produced by a waste incinerator and containing chlorides of toxic metals, which includes a step consisting of subjecting said fly ash to a phosphating reaction, at high temperature, to convert the chlorides of toxic metals into phosphates, the phosphating reaction being obtained by the addition of a reactant comprising a phosphorus compound, characterised in that said phosphorus compound is a non-metallic compound and in that the chlorinated products obtained are discharged in a gaseous form. It also relates to an installation for implementing this process.
    Type: Grant
    Filed: May 9, 1996
    Date of Patent: February 10, 1998
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Rene Cartier, Thierry Longuet, Roger Boen, Jean-Claude Bres