Patents by Inventor Pascal Navez

Pascal Navez 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).

  • Publication number: 20220089848
    Abstract: The present invention relates to an oxygen-scavenging composition comprising: at least 1.0% by weight of polybutadiene based on the total weight of the composition, wherein said polybutadiene has a number average molecular weight Mn of from 1000 to 10000 g/mol as determined by gel permeation chromatography (GPC) as described in the specification under the Determination methods; and a polypropylene component. The present invention also relates to the use of an oxygen-scavenging composition according to the invention for the manufacture of an article.
    Type: Application
    Filed: December 20, 2019
    Publication date: March 24, 2022
    Inventors: Daniel Libert, Steven Henning, Alain Standaert, Alexandre Welle, Chantal Goreux, Pascal Navez
  • Patent number: 11118039
    Abstract: The invention relates to a conductive article made from a composite material comprising: from 50 to 99 wt % of a first polyethylene resin as based on the total weight of said composite material, wherein the first polyethylene resin has a melt index MI2 of at most 0.45 g/10 min as determined according to ISO 1133 (190° C.—2.16 kg), and a density ranging from 0.920 g/cm3 to 0.980 g/cm3 as determined according to ISO 1183 at a temperature of 23° C.; and from 0.2 to 10 wt % of carbon particles as based on the total weight of said composite material as determined according to ISO 11358 selected from nanographene, carbon nanotubes or any combination thereof; wherein the composite material further comprises from 0.10 to 0.48 wt % of polyethylene glycol as based on the total weight of the composite material, and in that said polyethylene glycol is selected to have a weight average molecular weight Mw of at most 20,000 g/mol.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: September 14, 2021
    Assignee: TOTAL RESEARCH & TECHNOLOGY FELUY
    Inventors: Dimitri Rousseaux, Olivier Lhost, Nabil Mellouky, Pascal Navez
  • Publication number: 20200308379
    Abstract: The invention relates to a conductive article made from a composite material comprising: from 50 to 99 wt % of a first polyethylene resin as based on the total weight of said composite material, wherein the first polyethylene resin has a melt index MI2 of at most 0.45 g/10 min as determined according to ISO 1133 (190° C.—2.16 kg), and a density ranging from 0.920 g/cm3 to 0.980 g/cm3 as determined according to ISO 1183 at a temperature of 23° C.; and from 0.2 to 10 wt % of carbon particles as based on the total weight of said composite material as determined according to ISO 11358 selected from nanographene, carbon nanotubes or any combination thereof; wherein the composite material further comprises from 0.10 to 0.48 wt % of polyethylene glycol as based on the total weight of the composite material, and in that said polyethylene glycol is selected to have a weight average molecular weight Mw of at most 20,000 g/mol.
    Type: Application
    Filed: October 4, 2018
    Publication date: October 1, 2020
    Inventors: Dimitri Rousseaux, Olivier Lhost, Nabil Mellouky, Pascal Navez
  • Publication number: 20180187336
    Abstract: The present invention relates to a process for the preparation of polyolefin fibers having mean fiber diameters of less than 5000 nm, comprising the steps of: a) preparing a polyolefin solution in a solvent, b) placing said polyolefin solution in a fiber producing device comprising a body configured to receive said polyolefin solution, said body comprising one or more openings, and c) rotating the fiber producing device, wherein rotation of the fiber producing device causes the polyolefin solution to be passed through said one or more openings to produce polyolefin fibers having mean fiber diameters of less than 5000 nm, wherein said polyolefin is selected from the group comprising polyethylene polymers and copolymers having a weight average molecular weight Mw of at least 40 000 daltons, and polypropylene polymers and copolymers, having a weight average molecular weight Mw of at least 120 000 daltons; wherein said fiber producing device is rotated at a speed of at least 10 000 revolutions per minutes (RPM).
    Type: Application
    Filed: June 14, 2016
    Publication date: July 5, 2018
    Inventors: Olivier Lhost, Pascal Navez
  • Patent number: 9321905
    Abstract: A nanocomposite can include a polyolefin composition having at least one polyolefin. The polyolefin composition can have a multimodal molecular weight distribution, such as a bimodal molecular weight distribution. The nanocomposite can also include at least 0.001% by weight of nanoparticles, relative to a total weight of the nanocomposite. The nanoparticles can be carbon nanoparticles, silicon nanoparticles, or SiC nanoparticles. The nanocomposite can be prepared by providing the polyolefin composition, providing the nanoparticles, and blending the nanoparticles with the polyolefin composition. Formed articles can include the nanocomposite.
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: April 26, 2016
    Assignee: Total Research & Technology Feluy
    Inventors: Claire Bouvy, Olivier Lhost, Marc Dupire, Pascal Navez, Joseph DelHalle, Zineb Mekhalif, Simon Detriche
  • Patent number: 9163137
    Abstract: A nanocomposite can include a polyolefin composition having at least one polyolefin. The polyolefin composition can have a multimodal molecular weight distribution, such as a bimodal molecular weight distribution. The nanocomposite can also include at least 5% by weight of nanoparticles, relative to a total weight of the nanocomposite. The nanoparticles can be carbon nanoparticles, silicon nanoparticles, or SiC nanoparticles. A nanocomposite masterbatch can be prepared by melt blending the polyolefin composition with the nanoparticles. A polyolefin resin can be prepared by blending the nanocomposite with a polyolefin. Formed articles can include the polyolefin resin.
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: October 20, 2015
    Assignee: TOTAL RESEARCH & TECHNOLOGY FELUY
    Inventors: Claire Bouvy, Olivier Lhost, Marc Dupire, Pascal Navez, Joseph DelHalle, Zineb Mekhalif, Simon Detriche
  • Publication number: 20140323649
    Abstract: A nanocomposite can include a polyolefin composition having at least one polyolefin. The polyolefin composition can have a multimodal molecular weight distribution, such as a bimodal molecular weight distribution. The nanocomposite can also include at least 0.001% by weight of nanoparticles, relative to a total weight of the nanocomposite. The nanoparticles can be carbon nanoparticles, silicon nanoparticles, or SiC nanoparticles. The nanocomposite can be prepared by providing the polyolefin composition, providing the nanoparticles, and blending the nanoparticles with the polyolefin composition. Formed articles can include the nanocomposite.
    Type: Application
    Filed: October 15, 2012
    Publication date: October 30, 2014
    Inventors: Claire Bouvy, Olivier Lhost, Marc Dupire, Pascal Navez, Joseph DelHalle, Zineb Mekhalif, Simon Detriche
  • Publication number: 20140264201
    Abstract: A nanocomposite can include a polyolefin composition having at least one polyolefin. The polyolefin composition can have a multimodal molecular weight distribution, such as a bimodal molecular weight distribution. The nanocomposite can also include at least 5% by weight of nanoparticles, relative to a total weight of the nanocomposite. The nanoparticles can be carbon nanoparticles, silicon nanoparticles, or SiC nanoparticles. A nanocomposite masterbatch can be prepared by melt blending the polyolefin composition with the nanoparticles. A polyolefin resin can be prepared by blending the nanocomposite with a polyolefin. Formed articles can include the polyolefin resin.
    Type: Application
    Filed: October 15, 2012
    Publication date: September 18, 2014
    Inventors: Claire Bouvy, Olivier Lhost, Marc Dupire, Pascal Navez, Joseph Delhalle, Zineb Mekhalif, Simon Detriche
  • Publication number: 20130197122
    Abstract: The present invention relates to nanocomposites comprising nanoparticles and a thermoplastic polymer composition, said nanocomposite being characterized by improved homogeneity, and in consequence by improved properties. Further, the present invention relates to a process for the production of such nanocomposites by first dispersing the nanoparticles in a dispersant and subsequent blending with a thermoplastic polymer composition.
    Type: Application
    Filed: March 2, 2011
    Publication date: August 1, 2013
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Séverine Gauchet, Jacques Michel, Olivier Lhost, Pascal Navez, Jacques Everaert, Romain Luijkx, Marc Dupire