Patents by Inventor Marc Dupire
Marc Dupire 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).
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Publication number: 20190375203Abstract: The present invention relates to a multi-layered structure, comprising at least two layers: a polyethylene layer, comprising polyethylene; and, a polylactic acid layer, comprising polylactic acid; wherein the polyethylene layer is corona-, flame- or plasma-treated.Type: ApplicationFiled: November 21, 2017Publication date: December 12, 2019Inventors: Olivier Lhost, Michel Garny, Carmelo Fiorito, Marc Dupire
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Patent number: 9321905Abstract: 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: GrantFiled: October 15, 2012Date of Patent: April 26, 2016Assignee: Total Research & Technology FeluyInventors: Claire Bouvy, Olivier Lhost, Marc Dupire, Pascal Navez, Joseph DelHalle, Zineb Mekhalif, Simon Detriche
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Patent number: 9163137Abstract: 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: GrantFiled: October 15, 2012Date of Patent: October 20, 2015Assignee: TOTAL RESEARCH & TECHNOLOGY FELUYInventors: Claire Bouvy, Olivier Lhost, Marc Dupire, Pascal Navez, Joseph DelHalle, Zineb Mekhalif, Simon Detriche
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Publication number: 20140323649Abstract: 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: ApplicationFiled: October 15, 2012Publication date: October 30, 2014Inventors: Claire Bouvy, Olivier Lhost, Marc Dupire, Pascal Navez, Joseph DelHalle, Zineb Mekhalif, Simon Detriche
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Publication number: 20140264201Abstract: 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: ApplicationFiled: October 15, 2012Publication date: September 18, 2014Inventors: Claire Bouvy, Olivier Lhost, Marc Dupire, Pascal Navez, Joseph Delhalle, Zineb Mekhalif, Simon Detriche
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Publication number: 20130197122Abstract: 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: ApplicationFiled: March 2, 2011Publication date: August 1, 2013Applicant: TOTAL PETROCHEMICALS RESEARCH FELUYInventors: Séverine Gauchet, Jacques Michel, Olivier Lhost, Pascal Navez, Jacques Everaert, Romain Luijkx, Marc Dupire
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Patent number: 8314199Abstract: The present invention discloses a homo- or co-polymer of ethylene characterised in that it combines the properties of: a) melt strength MS?0.021 p-0.131 wherein melt strength MS is expressed in N and extruder head pressure p is expressed in MPa, when processed in a rheological extruder through a die with L/D of 30:2 at a rate of 500 s?1 and at temperature of 190° C.; b) long chain branching index g? determined by SEC-VISCO larger than 0.90; c) polydispersity index (Mw/Mn) of at most 7. It also discloses a method to prepare said polyethylene resin.Type: GrantFiled: March 4, 2008Date of Patent: November 20, 2012Assignee: Total Petrochemicals Research FeluyInventors: Jacques Michel, Marc Dupire, Prades Floran
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Patent number: 7863366Abstract: Processes for preparing reinforced polymeric material and the materials formed therefrom are discussed herein. The processes generally include providing a polymeric matrix, providing single-wall carbon nanotubes (SWNT) or multiple-wall carbon nanotubes (MWNT), purifying by the nanotubes in a single step of dissolving a support and catalyst particles with an agent appropriate to the nature of the support to form a purified support, functionalising the purified support by reaction with an alkylamine to form a functionalized support, dispersing the nanotubes in the polymeric matrix by mixing in the molten state to form a mixture and optionally orienting the mixture by stretching.Type: GrantFiled: December 10, 2008Date of Patent: January 4, 2011Assignee: Total Petrochemicals Research FeluyInventors: Marc Dupire, Janos Nagy, Jacques Michel, Christophe Pirlot
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Publication number: 20100222529Abstract: The present invention discloses a homo- or co-polymer of ethylene characterised in that it combines the properties of: a) melt strength MS?0.021p?0.131 wherein melt strength MS is expressed in N and extruder head pressure p is expressed in MPa, when processed in a rheological extruder through a die with L/D of 30:2 at a rate of 500 s?1 and at temperature of 190° C.; b) long chain branching index g? determined by SEC-VISCO larger than 0.90; c) polydispersity index (Mw/Mn) of at most 7. It also discloses a method to prepare said polyethylene resin.Type: ApplicationFiled: March 4, 2008Publication date: September 2, 2010Inventors: Jacques Michel, Marc Dupire, Prades Floran
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Publication number: 20090221782Abstract: Processes for preparing reinforced polymeric material and the materials formed therefrom are discussed herein. The processes generally include providing a polymeric matrix, providing single-wall carbon nanotubes (SWNT) or multiple-wall carbon nanotubes (MWNT), purifying by the nanotubes in a single step of dissolving a support and catalyst particles with an agent appropriate to the nature of the support to form a purified support, functionalising the purified support by reaction with an alkylamine to form a functionalized support, dispersing the nanotubes in the polymeric matrix by mixing in the molten state to form a mixture and optionally orienting the mixture by stretching.Type: ApplicationFiled: December 10, 2008Publication date: September 3, 2009Applicant: TOTAL PETROCHEMICALS RESEACH FELUYInventors: Marc Dupire, Janos B. Nagy, Jacques Michel, Christophe Pirlot
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Patent number: 7488790Abstract: The present invention discloses the use of a supercritical fluid to improve the homogeneity of heterogeneous bi- or multi-modal resins resulting from a physical or a chemical blend of two or more fractions of the same type of polymer resin, said fractions having different molecular weights or of two or more polymer resins having different chemical compositions, or both. It also discloses the use of a supercritical fluid to improve the dispersion of additives or fillers into a polymer resin. It further discloses the process for preparing the homogeneous resin.Type: GrantFiled: April 22, 2003Date of Patent: February 10, 2009Assignee: Total Petrochemicals Research FeluyInventors: Marc Dupire, Tom Lindt, Guy Debras
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Patent number: 7169827Abstract: A process for producing polypropylene having increased melt strength, the process comprising irradiating polypropylene which has been polymerised using a Ziegler-Natta catalyst with an electron beam having an energy of at least 5 MeV and a radiation dose of at least 10 kGray and mechanically processing the irradiated polypropylene to form long chain branches on the polypropylene molecules, whereby the polypropylene has a melt flow index (MFI) of at least 25 dg/min.Type: GrantFiled: June 27, 2001Date of Patent: January 30, 2007Assignee: Total Petrochemicals Research FeluyInventors: Guy Debras, Marc Dupire, Jacques Michel
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Patent number: 7127853Abstract: A polyethylene resin comprising from 35 to 49 wt. % of a first polyethylene fraction of high molecular weight and from 51 to 65 wt. % of a second polyethylene fraction of low molecular weight, the first polyethylene having a density of up to 0.930 g/cm3, and an HLMI of less than 0.6 g/10 min and the second polyethylene fraction comprising a high density polyethylene having a density of at least 0.969 g/cm3 and an MI2 of greater than 10 g/10 min, and the polyethylene resin, having a density of greater than 0.946 g/cm3, an HLMI of from 1 to 100 g/10 min, a dynamical viscosity, measured at 0.01 radians/second, greater than 200,000 Pa·s and a ratio of the dynamical viscosities measured at, respectively 0.01 and 1 radians/second greater than 8.Type: GrantFiled: September 7, 2005Date of Patent: October 31, 2006Assignee: TOTAL Petrochemicals Research FeluyInventors: Olivier Miserque, Jacques Michel, Marc Dupire, Fabian Sibendt, Jean-Louis Costa, Serge Bettonville, Virgile Rouyer, Eric Damme
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Publication number: 20060167128Abstract: The invention discloses a process for producing polypropylene having increased melt strength by irradiating polypropylene in pellet form with an electron beam having an energy of from 0.5 to 25 MeV, delivered by an accelerator having a power of from 50 to 1000 kW and with a total radiation dose of from 10 to 120 kGray, characterised in that the irradiation is carried out in the presence of air.Type: ApplicationFiled: July 1, 2003Publication date: July 27, 2006Inventors: Dominique Olivier, Jacques Michel, Marc Dupire
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Publication number: 20060100376Abstract: The present invention discloses the use of a supercritical fluid to improve the homogeneity of heterogeneous bi- or multi-modal resins resulting from a physical or a chemical blend of two or more fractions of the same type of polymer resin, said fractions having different molecular weights or of two or more polymer resins having different chemical compositions, or both. It also discloses the use of a supercritical fluid to improve the dispersion of additives or fillers into a polymer resin. It further discloses the process for preparing the homogeneous resin.Type: ApplicationFiled: April 22, 2003Publication date: May 11, 2006Inventors: Marc Dupire, Tom Lindt, Guy Debras
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Patent number: 7037977Abstract: A polyethylene resin comprising a blend of from 35 to 49 wt % of a first polyethylene fraction of high molecular weight and 51 to 65 wt % of a second polyethylene fraction of low molecular weight, the first polyethylene fraction comprising a linear low density polyethylene having a density of up to 0.928 g/cm3, and an HLMI of less than 0.6 g/10 min and the second polyethylene fraction comprising a high density polyethylene having a density of at least 0.969 g/cm3, and an MI2 of greater than 100 g/10 min, and the polyethylene resin, having a density of greater than 0.951 g/cm3 and an HLMI of from 1 to 100 g/10 min.Type: GrantFiled: October 25, 2001Date of Patent: May 2, 2006Assignees: Solvay Polyolefins Europe-Belgium, TOTAL Petrochemicals Research FeluyInventors: Olivier Miserque, Jacques Michel, Marc Dupire, Fabian Siberdt, Jean-Louis Costa, Serge Bettonville
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Patent number: 7019044Abstract: A process for producing polypropylene having increased melt strength, the process comprising (i) homopolymerising polypropylene or copolymerising propylene with one or more comonomers selected from ethylene and C4 to C101-olefins to produce a polypropylene homopolymer or copolymer respectively having a double bond concentration of at least 0.1 per 10,000 carbon atoms, (11) irradiating the polypropylene with an electron beam having an energy of at least 5 MeV and at radiation dose of at least 5 kGray, and (iii) melting and mechanically processing the melt of polypropylene to form long chain branches on the polypropylene molecules.Type: GrantFiled: June 27, 2001Date of Patent: March 28, 2006Assignee: Total Petrochemicals Research FeluyInventors: Guy Debras, Marc Dupire, Jacques Michel
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Publication number: 20060035996Abstract: A process for producing polypropylene having increased melt strength, the process comprising irradiating polypropylene which has been polymerised using a Ziegler-Natta catalyst with an electron beam having an energy of at least 5 MeV and a radiation dose of at least 10 kGray and mechanically processing the irradiated polypropylene to form long chain branches on the polypropylene molecules, whereby the polypropylene has a melt flow index (MFI) of at least 25 dg/min.Type: ApplicationFiled: June 27, 2001Publication date: February 16, 2006Inventors: Guy Debras, Marc Dupire, Jacques Michel
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Publication number: 20060009584Abstract: A polyethylene resin comprising from 35 to 49 wt. % of a first polyethylene fraction of high molecular weight and from 51 to 65 wt. % of a second polyethylene fraction of low molecular weight, the first polyethylene having a density of up to 0.930 g/cm3, and an HLMI of less than 0.6 g/10 min and the second polyethylene fraction comprising a high density polyethylene having a density of at least 0.969 g/cm3 and an MI2 of greater than 10 g/10 min, and the polyethylene resin, having a density of greater than 0.946 g/cm3, an HLMI of from 1 to 100 g/10 min, a dynamical viscosity, measured at 0.01 radians/second, greater than 200,000 Pa.s and a ratio of the dynamical viscosities measured at, respectively 0.01 and 1 radians/second greater than 8.Type: ApplicationFiled: September 7, 2005Publication date: January 12, 2006Inventors: Olivier Miserque, Jacques Michel, Marc Dupire, Fabian Sibendt, Jean-Louis Costa, Serge Bettonville, Virgil Rouyer, Eric Damme
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Publication number: 20060001013Abstract: This invention discloses a polymeric material reinforced with single-wall nanotubes (SWNT) or multiple-wall nanotubes (MWNT) with good electrical and mechanical properties. It also discloses a process for preparing said reinforced polymeric material and their use in electrically dissipative material.Type: ApplicationFiled: March 10, 2003Publication date: January 5, 2006Inventors: Marc Dupire, Janos Nagy, Jacques Michel, Christophe Pirlot