Patents by Inventor Ludivine Bouvier

Ludivine Bouvier 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).

  • Patent number: 10888837
    Abstract: The present invention concerns the use, for gas separation, of at least one zeolite adsorbent material comprising at least one FAU zeolite, said adsorbent having an external surface area greater than 20 m2·g?1, a non-zeolite phase (PNZ) content such that 0<PNZ?30%, and an Si/Al atomic ratio of between 1 and 2.5. The invention also concerns a zeolite adsorbent material having an Si/Al ratio such that 1?Si/Al<2.5, a mesoporous volume of between 0.08 cm3·g?1 and 0.25 cm3·g?1, a (Vmicro?Vmeso)/Vmicro ratio of between ?0.5 and 1.0, non-inclusive, and a non-zeolite phase (PNZ) content such that 0<PNZ?30%.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: January 12, 2021
    Assignee: Arkema France
    Inventors: Cécile Lutz, Ludivine Bouvier, Serge Nicolas, Jullian Vittenet, Sylvie Szendrovics, Quitterie Persillon
  • Patent number: 10882002
    Abstract: The present invention concerns the use, for gas separation and/or gas drying, of at least one zeolite adsorbent material comprising at least one type A zeolite, said adsorbent having an external surface area greater than 20 m2·g?1, a non-zeolite phase (PNZ) content such that 0<PNZ?30%, and an Si/Al atomic ratio of between 1.0 and 2.0. The invention also concerns a zeolite adsorbent material having an Si/Al ratio of between 1.0 and 2.0, a mesoporous volume of between 0.07 cm3·g?1 and 0.18 cm3·g?1, a (Vmicro?Vmeso)/Vmicro ratio of between ?3 and 1.0, non-inclusive, and a non-zeolite phase (PNZ) content such that 0<PNZ?30%.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: January 5, 2021
    Assignee: Arkema France
    Inventors: Jullian Vittenet, Guillaume Ortiz, Serge Nicolas, Ludivine Bouvier, Cécile Lutz
  • Publication number: 20200316558
    Abstract: The present invention relates to zeolite adsorbents based on agglomerated crystals of zeolite X comprising barium, potassium, sodium and strontium. These adsorbents have applications in the separation of fractions of aromatic C8 isomers and in particular xylenes.
    Type: Application
    Filed: December 17, 2018
    Publication date: October 8, 2020
    Applicants: Arkema France, IFP Energies Nouvelles
    Inventors: Catherine Laroche, Ludivine Bouvier, Javier Perez-Pellitero, Marie-Laurence Labede
  • Patent number: 10773965
    Abstract: The present invention concerns zeolites with hierarchical porosity having a molar ratio Si/Al of between 1 and 1.4, inclusive, of which the average diameter, as a number, is between 0.1 ?m and 20 ?m, having controlled and optimized crystallinity, and having mesoporosity such that the mesoporous outer surface area is between 40 m2·g?1 and 400 m2·g?1. The present invention also concerns the method for preparing said zeolites with hierarchical porosity.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: September 15, 2020
    Assignee: Arkema France
    Inventors: Serge Nicolas, Karine Lopez, Cécile Lutz, Ludivine Bouvier
  • Patent number: 10745329
    Abstract: The present invention relates to zeolite adsorbents based on agglomerated zeolite X crystals comprising barium, potassium and sodium. These adsorbents find applications in the separation of aromatic C8 isomer fractions and especially xylene.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: August 18, 2020
    Assignees: ARKEMA FRANCE, IFP ENERGIES NOUVELLES
    Inventors: Ludivine Bouvier, Catherine Laroche, Julien Grandjean
  • Patent number: 10722862
    Abstract: The present invention relates to zeolitic adsorbents based on small agglomerated crystals of zeolite X comprising barium, combining optimum properties in terms of selectivity and of mechanical strength. These adsorbents have applications in the separation of fractions of aromatic C8 isomers and in particular xylenes, in the separation of substituted toluene isomers, such as nitrotoluene, diethyltoluene or toluenediamine, in the separation of cresols and in the separation of polyhydric alcohols, such as sugars.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: July 28, 2020
    Assignees: ARKEMA FRANCE, IFP ENERGIES NOUVELLES
    Inventors: Ludivine Bouvier, Stephane Kieger, Catherine Laroche, Philibert Leflaive
  • Patent number: 10723677
    Abstract: The present invention relates to a zeolitic granular material having a connected zeolitic structure across the entire volume thereof, having high mechanical resistance to crushing in the bed, and optimised material transfer in the macro-mesopores. The invention also relates to the method for preparing said zeolitic granular material, as well as to the use thereof as an adsorbent material in co-current or counter-current liquid phase separation methods, typically in a simulated mobile bed.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: July 28, 2020
    Assignees: ARKEMA FRANCE, IFP ENERGIES NOUVELLES
    Inventors: Catherine Laroche, Ludivine Bouvier, Philibert Leflaive, Cecile Lutz, Anne-Sophie Gay, Florent Moreau
  • Publication number: 20200223770
    Abstract: Provided is a hybrid process for producing high-purity para-xylene from a feedstock of aromatic hydrocarbon isomer fractions having 8 carbon atoms, in a liquid phase. The process includes a liquid chromatography separation step and a crystallization step of the para-xylene from the purified stream of para-xylene obtained at the separation step.
    Type: Application
    Filed: September 4, 2018
    Publication date: July 16, 2020
    Applicants: IFP Energies Nouvelles, Arkema France
    Inventors: Catherine Laroche, Morgane Josserand, Danielle Richard, Javier Perez-Pellitero, Ludivine Bouvier
  • Patent number: 10696559
    Abstract: The present invention concerns Y-type FAU zeolites with hierarchical porosity having an Si/Al atomic ratio strictly greater than 1.4 and less than or equal to 6, having controlled and optimised crystallinity, and having mesoporosity such that the mesoporous outer surface area is between 40 m2·g?1 and 400 m2·g?1. The present invention also concerns the method for preparing said Y-type FAU zeolites with hierarchical porosity.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: June 30, 2020
    Assignee: Arkema France
    Inventors: Serge Nicolas, Ludivine Bouvier, Cécile Lutz
  • Patent number: 10675607
    Abstract: The present invention relates to zeolitic adsorbents based on agglomerated crystals of FAU zeolite containing barium and/or potassium, with large external surface area, combining optimum properties in terms of selectivity and mechanical strength. These adsorbents find applications in the separation of cuts of C8-aromatic isomers and notably of xylenes, in the separation of isomers of substituted toluene such as nitrotoluene, diethyltoluene, toluenediamine, in the separation of cresols, and in the separation of polyhydric alcohols such as sugars.
    Type: Grant
    Filed: January 25, 2018
    Date of Patent: June 9, 2020
    Assignees: Arkema France, IFP Energies Nouvelles
    Inventors: Catherine Laroche, Philibert Leflaive, Ludivine Bouvier, Serge Nicolas, Cecile Lutz, Marie-Laurence Labede
  • Patent number: 10532342
    Abstract: The present invention relates to a zeolite adsorbent having an external surface area of between 20 m2·g?1 and 70 m2·g?1, a mesopore volume (Vmeso) of less than or equal to 0.20 cm3·g?1, and a content of non-zeolite phase (NZP) of less than or equal to 6%, and in which at least one of its dimensions is greater than or equal to 30 ?m. The invention also relates to the process for preparing said zeolite materials in agglomerated form and to the uses thereof for gas-phase or liquid-phase separation operations.
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: January 14, 2020
    Assignee: Arkema France
    Inventors: Ludivine Bouvier, Cècile Lutz, Sylvie Szendrovics
  • Patent number: 10487027
    Abstract: The invention relates to zeolitic absorbents based on at least one zeolite with hierarchical porosity, containing barium or barium and potassium, to the uses thereof for separating para-xylene from aromatic fractions containing 8 carbon atoms, and to the method for separating para-xylene from aromatic fractions containing 8 carbon atoms.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: November 26, 2019
    Assignee: Arkema France
    Inventors: Catherine Laroche, Ludivine Bouvier, Cecile Lutz, Arnaud Baudot
  • Patent number: 10449511
    Abstract: The present invention relates to a zeolite absorbent comprising at least one FAU zeolite with hierarchical porosity and comprising barium or barium and potassium, and the external surface area of which is greater than 20 m2·g?1, and the non-zeolite phase content being between 6% and 12% by weight with respect to the total weight of the absorbent. The present invention also relates to the use of such a zeolite absorbent as an adsorption agent, as well as the method for separation of para-xylene from aromatic isomer fractions with 8 carbon atoms.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: October 22, 2019
    Assignee: Arkema France
    Inventors: Ludivine Bouvier, Cecile Lutz, Catherine Laroche, Arnaud Baudot
  • Patent number: 10414702
    Abstract: Process for separating xylenes starting from a feed comprising cuts of isomers of aromatic hydrocarbons containing 8 carbon atoms, in a simulated moving bed, by selective adsorption of a xylene isomer in the presence of a desorbent, by means of particles of agglomerated zeolitic adsorbent based on zeolite crystals with a number-average diameter less than or equal to 1.2 ?m, wherein the number-average diameter of said particles of adsorbent is between 150 ?m and 500 ?m and the mechanical strength measured by the Shell method series SMS1471-74 adapted for agglomerates with a size below 500 ?m is greater than or equal to 2 MPa.
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: September 17, 2019
    Assignees: IFP ENERGIES NOUVELLES, Arkema France
    Inventors: Catherine Laroche, Damien Leinekugel Le Cocq, Philibert LeFlaive, Frederic Augier, Ludivine Bouvier, Cecile Lutz, Sylvie Szendrovics, Quitterie Persillon
  • Publication number: 20190160450
    Abstract: Provided is a zeolite-based adsorbent in the form of agglomerates, where the adsorbent having a tortuosity factor, calculated from the pore distribution determined by mercury intrusion porosimetry, of greater than 1 and less than 3. The adsorbent also has a porosity as determined by mercury intrusion porosimetry of between 25% and 35%. The adsorbent is useful in the field of separations in particular in a process for separating para-xylene from aromatic hydrocarbon isomer fractions containing 8 carbon atoms.
    Type: Application
    Filed: June 28, 2017
    Publication date: May 30, 2019
    Applicants: IFP Energies Nouvelles, Arkema France
    Inventors: Catherine Laroche, Philibert Leflaive, Ludivine Bouvier, Cécile Lutz
  • Patent number: 10300455
    Abstract: The present invention relates to a zeolite material in the form of FAU zeolite nanocrystal aggregates, to the method for preparing said material, to the zeolite agglomerates prepared from said material with a binder, and to the uses of said material and agglomerate as adsorbents for gas-phase or liquid-phase separation operations, and particularly in methods for separating gas or liquid flows.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: May 28, 2019
    Assignee: Arkema France
    Inventors: Serge Nicolas, Guillaume Ortiz, Ludivine Bouvier, Cecile Lutz
  • Publication number: 20180362354
    Abstract: The present invention concerns zeolites with hierarchical porosity having a molar ratio Si/Al of between 1 and 1.4, inclusive, of which the average diameter, as a number, is between 0.1 ?m and 20 ?m, having controlled and optimized crystallinity, and having mesoporosity such that the mesoporous outer surface area is between 40 m2.g?1 and 400 m2.g?1. The present invention also concerns the method for preparing said zeolites with hierarchical porosity.
    Type: Application
    Filed: August 24, 2018
    Publication date: December 20, 2018
    Applicant: ARKEMA FRANCE
    Inventors: Serge Nicolas, Karine Lopez, Cecile Lutz, Ludivine Bouvier
  • Publication number: 20180362355
    Abstract: The present invention concerns Y-type FAU zeolites with hierarchical porosity having an Si/Al atomic ratio strictly greater than 1.4 and less than or equal to 6, having controlled and optimised crystallinity, and having mesoporosity such that the mesoporous outer surface area is between 40 m2·g?1 and 400 m2·g?1. The present invention also concerns the method for preparing said Y-type FAU zeolites with hierarchical porosity.
    Type: Application
    Filed: August 7, 2018
    Publication date: December 20, 2018
    Applicant: ARKEMA FRANCE
    Inventors: Serge Nicolas, Ludivine Bouvier, Cécile Lutz
  • Patent number: 10125064
    Abstract: The invention relates to a method for separating meta-xylene from C8 aromatic fractions, using a zeolitic adsorbent based on sodium-exchanged or sodium-and-lithium-exchanged agglomerated crystals of zeolite Y, with a large external surface area.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: November 13, 2018
    Assignees: IFP ENERGIES NOUVELLES, ARKEMA FRANCE
    Inventors: Catherine Laroche, Philibert Leflaive, Arnaud Baudot, Ludivine Bouvier, Cecile Lutz, Serge Nicolas
  • Patent number: 10118152
    Abstract: The present invention relates to zeolite materials in the form of agglomerates comprising at least one mesoporous Faujasite zeolite with an Si/Al ratio which is strictly greater than 1.4 and having both the characteristics of mesoporous zeolites, the properties associated with microporosity and the mechanical properties of zeolite agglomerates without mesoporous zeolite. The invention also relates to the process for preparing the said zeolite materials in the form of agglomerates.
    Type: Grant
    Filed: August 6, 2014
    Date of Patent: November 6, 2018
    Assignee: Arkema France
    Inventors: Ludivine Bouvier, Cecile Lutz, Serge Nicolas