Patents by Inventor Xavier LIEGE

Xavier LIEGE 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 for the oligomerization of olefins employing a cleaning device
    Patent number: 10370307
    Abstract: The invention concerns a process for the oligomerization of ethylene into alpha-olefins, comprising a step for the oligomerization of ethylene, a step for deactivation of the catalyst, a and step for separation of the products, the reactor being provided with a cooling loop (100, 101, 102) by means of which at least a portion of the reaction effluent is moved through at least two switchable heat exchangers, said heat exchangers being cleaned alternately by means of an integrated cleaning device.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: August 6, 2019
    Assignees: AXENS, IFP Energies Nouvelles
    Inventors: Catherine Boutrot, Nicolas Janot, Xavier Liege, Etienne Niderkorn, Jerome Pigourier, Daniel Jean Vinel, Frederic Favre, Lionel Magna
  • PROCESS FOR THE OLIGOMERIZATION OF OLEFINS EMPLOYING A CLEANING DEVICE
    Publication number: 20180179122
    Abstract: The invention concerns a process for the oligomerization of ethylene into alpha-olefins, comprising a step for the oligomerization of ethylene, a step for deactivation of the catalyst, a and step for separation of the products, the reactor being provided with a cooling loop (100, 101, 102) by means of which at least a portion of the reaction effluent is moved through at least two switchable heat exchangers, said heat exchangers being cleaned alternately by means of an integrated cleaning device.
    Type: Application
    Filed: December 21, 2017
    Publication date: June 28, 2018
    Applicants: AXENS, IFP Energies Nouvelles
    Inventors: Catherine BOUTROT, Nicolas JANOT, Xavier LIEGE, Etienne NIDERKORN, Jerome PIGOURIER, Daniel Jean VINEL, Frederic FAVRE, Lionel MAGNA