Patents by Inventor Philippe Moldan

Philippe Moldan 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).

  • Aqueous solution for the impregnation of catalytic supports, catalysts prepared from this solution, and application for these catalysts
    Patent number: 5891821
    Abstract: A novel aqueous solution for the one step impregnation of catalytic supports, catalysts prepared from such solution, and the preparation and the use of catalysts prepared thereby. The catalysts prepared are used in the hydrotreatment of petroleum fractions and particularly in hydrodesulfurization and/or denitrogenization. The solution is a combination of at least one compound of a metal from group IVa (e.g. Zr), at least one compound of a metal from group VIa (e.g. Mo or W), at least one compound of a metal from group VIII (e.g. Co or Ni), and at least one water soluble amine (e.g. ethylenediamine or MEA).
    Type: Grant
    Filed: April 28, 1995
    Date of Patent: April 6, 1999
    Assignee: Total Raffinage Distribution, S.A.
    Inventors: Olivier Poulet, Michel Bourgogne, Philippe Moldan