Patents Assigned to Cece S.A.
  • Aggregate zeolitic absorbents, their method of preparation and their uses
    Patent number: 8735643
    Abstract: The invention relates to aggregate zeolitic adsorbents based on faujasite X type zeolite powder having a low silica content and small crystals, exchanged with barium or based on faujasite X type zeolite having a low silica content and small crystals, exchanged with barium and potassium. The invention also relates to the method for preparing said aggregate zeolitic adsorbents, and also their uses for separating sugars, polyhydric alcohols, isomers of substituted toluene, cresols, or for recovering very high purity paraxylene.
    Type: Grant
    Filed: December 16, 2008
    Date of Patent: May 27, 2014
    Assignees: Cece S.A., Institut Francais du Petrole
    Inventors: Ludivine Bouvier, Stéphane Kieger, Catherine Laroche, Philibert Leflaive, Tom Frising