Patents by Inventor Isabell Prevost

Isabell Prevost 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).

  • Aromatics production process
    Patent number: 9708233
    Abstract: In a process for producing para-xylene, at least one feed comprising C6+ aromatic hydrocarbons is supplied to a dividing wall distillation column to separate the feed into a C7? aromatic hydrocarbon-containing stream, a C8 aromatic hydrocarbon-containing stream and a C9+ aromatic hydrocarbon-containing stream. At least part of the C8 aromatic hydrocarbon-containing stream is then supplied to a para-xylene recovery unit to recover para-xylene from the C8 aromatic hydrocarbon-containing stream and produce a para-xylene depleted stream. The para-xylene depleted stream is contacted with a xylene isomerization catalyst in a xylene isomerization zone under conditions effective to isomerize xylenes in the para-xylene depleted stream and produce an isomerized stream, which is then at least partially recycled to the para-xylene recovery unit.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: July 18, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Michel Molinier, Kevin J. Knob, Dennis J. Stanley, Terri S. Vander Pol, Chunshe Cao, Xiaobo Zheng, Thierry LeFlour, Jacques Rault, Stephane Claudel, Isabell Prevost, Jerome Pigourier, Celia Fernandez
  • Aromatics Production Process
    Publication number: 20160046544
    Abstract: In a process for producing para-xylene, at least one feed comprising C6+ aromatic hydrocarbons is supplied to a dividing wall distillation column to separate the feed into a C7? aromatic hydrocarbon-containing stream, a C8 aromatic hydrocarbon-containing stream and a C9+ aromatic hydrocarbon-containing stream. At least part of the C8 aromatic hydrocarbon-containing stream is then supplied to a para-xylene recovery unit to recover para-xylene from the C8 aromatic hydrocarbon-containing stream and produce a para-xylene depleted stream. The para-xylene depleted stream is contacted with a xylene isomerization catalyst in a xylene isomerization zone under conditions effective to isomerize xylenes in the para-xylene depleted stream and produce an isomerized stream, which is then at least partially recycled to the para-xylene recovery unit.
    Type: Application
    Filed: June 18, 2015
    Publication date: February 18, 2016
    Inventors: Michel Molinier, Kevin J. Knob, Dennis J. Stanley, Terri S. Vander Pol, Chunshe Cao, Xiaobo Zheng, Thierry LeFlour, Jacques Rault, Stephane Claudel, Isabell Prevost, Jerome Pigourier, Celia Fernandez