Patents by Inventor Cécile Duriche

Cécile Duriche 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).

  • Process for the synthesis of monochloramine
    Patent number: 7045659
    Abstract: The invention relates to a process for the synthesis of monochloramine by reaction of an ammonium chloride solution with a sodium hypochlorite solution. The sodium hypochlorite solution is basified beforehand with an inorganic base and the ratio of the concentration of ammonium chloride in the reaction medium to the concentration of sodium hypochlorite in the reaction medium is between 1 and 1.5. This ratio is preferably equal to 1.1.
    Type: Grant
    Filed: October 23, 2003
    Date of Patent: May 16, 2006
    Assignees: Isochem, Centre National de la Recherche Scientifiques (CNRS), Universite Claude Bernard Lyon 1
    Inventors: Henri Delalu, Cécile Duriche, Jacques Berthet, Pierre Le Gars
  • Process for the synthesis of monochloramine
    Publication number: 20040086577
    Abstract: The invention relates to a process for the synthesis of monochloramine by reaction of an ammonium chloride solution with a sodium hypochlorite solution. The sodium hypochlorite solution is basified beforehand with an inorganic base and the ratio of the concentration of ammonium chloride in the reaction medium to the concentration of sodium hypochlorite in the reaction medium is between 1 and 1.5. This ratio is preferably equal to 1.1.
    Type: Application
    Filed: October 23, 2003
    Publication date: May 6, 2004
    Inventors: Henri Delalu, Cecile Duriche, Jacques Berthet, Pierre Le Gars