Patents by Inventor Philippe Selem

Philippe Selem 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 and apparatus for stripping fluidized solids and use thereof in a fluid cracking process
    Patent number: 5716585
    Abstract: Process and apparatus for stripping fluidized solid particles countercurrently with a stripping fluid. This apparatus comprises at least one packing structure consisting of at least one element the flow cross-section of which is essentially transverse to the chamber axis, said element extending over the entire cross-section of the chamber in the circulation zone and consisting of cells or pathways through which pass the particles and the stripping fluid, said cells or pathways orienting the circulation of the fluid and of the particles to be stripped in approximately radial fashion.
    Type: Grant
    Filed: December 28, 1995
    Date of Patent: February 10, 1998
    Assignee: Total Raffinage Distribution, S.A.
    Inventors: Marie-Andree Senegas, Thierry Patureaux, Philippe Selem, Jean-Louis Mauleon