Patents by Inventor Raoul Hess

Raoul Hess 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 intimate contacting of a plurality of physically disparate phases, at least one of which being gaseous
    Patent number: 4668441
    Abstract: A phase contactor is provided with guide means along the path of flow of the vertically descending current of first gaseous phase established therein, but upstream of the zone of restricted flow passage, the guide means being adapted to adjust the flow of the first gaseous phase and to retard/prevent the deposition of objectionable encrusting solids within the phase contactor.
    Type: Grant
    Filed: March 8, 1982
    Date of Patent: May 26, 1987
    Assignee: Rhone-Poulenc Specialites Chimiques
    Inventors: Raoul Hess, Bernard Mirabel