Patents by Inventor Sylvain Guignot

Sylvain Guignot 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 Recycling Waste Electrical And Electronic Equipment
    Publication number: 20170362682
    Abstract: The method for separation of metals from electronic cards includes a step of processing the electronic cards in an aqueous medium under supercritical conditions. The method also a later step of crushing solid materials coming from the treatment under supercritical conditions.
    Type: Application
    Filed: December 18, 2015
    Publication date: December 21, 2017
    Inventors: Nour-Eddine Menad, Sylvain Guignot, Iskender Gokalp, Stéphane Bostyn, Yann Graz, Jacques Poirier
  • Decontamination, stripping and/or degreasing foam containing solid particles
    Patent number: 8772357
    Abstract: A stabilized foam formed from a foaming aqueous solution comprising from 0.1 to 7 mol of one or more decontamination, stripping and/or degreasing reactants per liter of solution and from 0.01 to 15% by weight of a solid stabilizing agent of solid particles type, with respect to the total weight of the solution, and a process for the preparation of said stabilized foam, to its use in decontaminating, stripping and/or degreasing a surface and to a process for decontaminating, stripping and/or degreasing a surface.
    Type: Grant
    Filed: February 14, 2008
    Date of Patent: July 8, 2014
    Assignees: Commissariat a l'Energie Atomique, Areva NC
    Inventors: Sylvain Guignot, Sylvain Faure
  • Decontamination, Stripping and/or Degreasing Foam Containing Solid Particles
    Publication number: 20100069281
    Abstract: A stabilized foam formed from a foaming aqueous solution comprising from 0.1 to 7 mol of one or more decontamination, stripping and/or degreasing reactants per liter of solution and from 0.01 to 15% by weight of a solid stabilizing agent of solid particles type, with respect to the total weight of the solution, and a process for the preparation of said stabilized foam, to its use in decontaminating, stripping and/or degreasing a surface and to a process for decontaminating, stripping and/or degreasing a surface.
    Type: Application
    Filed: February 14, 2008
    Publication date: March 18, 2010
    Inventors: Sylvain Guignot, Sylvain Faure