Patents by Inventor Michel Pouillot

Michel Pouillot 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).

  • Aerobic biological nitrification using biomass granulates
    Patent number: 5228997
    Abstract: Effluents contaminated with NH.sub.4.sup.+ values, e.g., domestic sewage, are purified by aerobic biological nitrification within a bed of biomass granulates, e.g., a fluidized bed, such granulates comprising a nitrification effective amount of at least one nitrifying microorganism firmly adhered to support, preferably carbonate granules consumable thereby.
    Type: Grant
    Filed: December 17, 1990
    Date of Patent: July 20, 1993
    Assignee: Atochem
    Inventors: Guy Martin, Gilbert Blanchard, Michel Pouillot
  • Process for the decoloration of sugar liquor
    Patent number: 5194093
    Abstract: Process for the extraction of the sugar contained in plants such as sugar beets or sugar cane, wherein the concentration of a dilute liquor by the evaporation of water to obtain a liquor from which the sugar may be separated by crystallization, is applied to a liquor to which hydrogen peroxide has been added and the pH of which is between 8 and 9.5 after the addition of hydrogen peroxide.
    Type: Grant
    Filed: August 5, 1991
    Date of Patent: March 16, 1993
    Assignee: Atochem
    Inventors: Jean-Francois Boussely, Michel Pouillot