Patents by Inventor Stéphane Mathe

Stéphane Mathe 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 and device for changing the pH of a solution
    Patent number: 9127651
    Abstract: The invention relates to a device (22) for changing the pH of a solvent in which a substance is dissolved. The device includes a housing (24) in contact with the solvent through a housing wall (26) that is permissive to the solvent and the substance. The housing contains enzymes adapted for converting the substance in order to provide hydrogen or hydroxyle ions; the housing wall being non-permissive to the enzymes.
    Type: Grant
    Filed: December 3, 2007
    Date of Patent: September 8, 2015
    Assignee: UNIVERSITE JOSEPH FOURIER
    Inventors: Philippe Cinquin, François Lenouvel, Vanessa Durrieu, Stéphane Mathe, Pierre Mozer
  • NOVEL BIOTRACERS AND USES THEREOF FOR CONTROLLING FILTRATION PLANTS
    Publication number: 20120018313
    Abstract: The present invention relates to novel biotracers, to a method for preparing same, and to a method for detecting the biotracers and for monitoring filtration systems.
    Type: Application
    Filed: December 16, 2009
    Publication date: January 26, 2012
    Applicant: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N. R.S)
    Inventors: Christelle Guigui, Corinne Cabassud, Sandrine Alfenore, Stéphane Mathe, Laurence Soussan