Patents by Inventor Marie-Therese Grandmougin

Marie-Therese Grandmougin 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).

  • Zeolite adsorbents, method for obtaining them and their use for removing carbonates from a gas stream
    Patent number: 6616732
    Abstract: The present invention relates to a novel family of zeolite adsorbents comprising a mixture of zeolite X and zeolite LSX, these adsorbents being predominantly exchanged with sodium or with strontium. These adsorbents are particularly suited to the decarbonatation of gas flows contaminated by CO2.
    Type: Grant
    Filed: July 24, 2002
    Date of Patent: September 9, 2003
    Assignee: Ceca, S.A.
    Inventors: Marie-Therese Grandmougin, Francis Mayolet, Jacques Rouet