Patents Assigned to Ecole Supérieure de Chimie Physique Electronique de Lyon
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Patent number: 11566234Abstract: The invention relates to a method for manufacturing a bio-ink by additive deposition, which comprises supplying: a first solution including between 5 and 40 wt. % gelatin; a second solution including between 15 and 35.wt. % alginate; a third solution including between 1 and 15 wt. % fibrinogen, and optionally living cells in suspension; and creating a mixture including: around 35 to 65 vol. % of the first solution; around 15 to 35 vol. % of the second solution; and around 15 to 35 vol. % of the third solution, said proportions being selected so that they add up to 100%. Said bio-ink allows the additive deposition of objects that can be polymerised by means of a solution including calcium ions and thrombin. Said objects can be incubated and can be used as a substitute for body tissue, for example (with added fibroblasts) as skin substitute.Type: GrantFiled: December 29, 2016Date of Patent: January 31, 2023Assignees: LAB SKIN CREATIONS, UNIVERSITE CLAUDE BERNARD LYON 1, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE LYON, ECOLE SUPERIEURE DE CHIMIE, PHYSIQUE, ELECTRONIQUE DE LYONInventors: Christophe Marquette, Léa Pourchet, Amélie Thepot, Morgan Dos Santos
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Publication number: 20220305480Abstract: A process for preparing a catalyst material, includes: (a) providing a support material having surface hydroxyl (OH) groups, the support material is ceria (CeO2), zirconia (ZrO2) or a combination, and the support material contains between 0.3 and 2.0 mmol OH groups/g of the support material; (b) reacting the support material with at least one of: (b1) a compound containing at least one alkoxy or phenoxy group bound though its oxygen atom to a metal element from Group 5 (V, Nb, Ta) or Group 6 (Cr, Mo, W); (b2) a compound containing at least one hydrocarbon group bound though a carbon atom to a metal element from Group 5 or 6; (b3) a compound containing at least one hydrocarbon group bound though a carbon atom to a metal element which is copper (Cu); and (c) calcining the product obtained in step (b).Type: ApplicationFiled: June 4, 2019Publication date: September 29, 2022Applicants: TOYOTA MOTOR EUROPE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE CLAUDE BERNARD LYON 1, ECOLE SUPERIEURE DE CHIMIE PHYSIQUE ELECTRONIQUE DE LYONInventors: Phuc Hai NGUYEN, Nicolas MERLE, Marc-Olivier CHARLIN, Kai Chung SZETO, Mostafa TAOUFIK
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Publication number: 20220305464Abstract: A process for preparing a catalyst material, includes the steps of: (a) providing a support material having surface hydroxyl (OH) groups, wherein the support material is ceria (CeO2), zirconia (ZrO2) or a combination of thereof; (b) reacting the support material having surface hydroxyl (OH) groups of step (a) with a precursor containing two transition metal atoms, each chosen independently from the group consisting of: W, Mo, Cr, Ta, Nb, V, Mn; (c) calcining the product obtained in step (b) in order to provide a catalyst material showing dual site surface species containing pairs of transition metal atoms derived from the precursor that are present in oxide form on the support material. Additionally, a catalyst material is obtained by the process set out above, and the catalyst material is used as an ammonia selective catalytic reduction (NH3-SCR) catalyst for nitrogen oxides (NOx) reduction.Type: ApplicationFiled: June 4, 2019Publication date: September 29, 2022Applicants: TOYOTA MOTOR EUROPE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE CLAUDE BERNARD LYON 1, ECOLE SUPERIEURE DE CHIMIE PHYSIQUE ELECTRONIQUE DE LYONInventors: Phuc Hai NGUYEN, Marc-Olivier CHARLIN, Cherif LARABI, Kai Chung SZETO, Mostafa TAOUFIK
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Patent number: 10982110Abstract: The present invention relates to a process for preparing a vinylidene chloride polymer composite comprising a vinylidene chloride polymer and clay materials. The process comprises polymerising vinylidene chloride and clay materials and the resulting vinylidene chloride polymer particle is surrounded by a plurality of clay platelets. The clay materials according to the present invention function as a solid stabilizer in the process for preparing a vinylidene chloride polymer composite of the present invention. The present invention further relates to the vinylidene chloride polymer composite obtainable from the process, to use of the vinylidene chloride polymer composite for the preparation of films, and to films prepared therefrom.Type: GrantFiled: November 25, 2016Date of Patent: April 20, 2021Assignees: Solvay SA, Centre National de la Recherche Scientifique, Université Claude Bernard Lyon 1, Ecole Supérieure de Chimie Physique Electronique de Lyon, Ezus LyonInventors: Pierre-Emmanuel Dufils, Isabelle Chaduc, Laura Delafresnaye, Elodie Bourgeat-Lami, Muriel Lansalot, Jérôme Vinas, Yves Vanderveken
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Publication number: 20200181041Abstract: The disclosure relates to a process for the dimerization of conjugated diene compounds by a heterogeneous catalytic process using a supported palladium catalyst in the presence of at least one palladium activator and at least one palladium coordinating agent.Type: ApplicationFiled: July 10, 2017Publication date: June 11, 2020Applicants: TOTAL RAFFINAGE CHIMIE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), UNIVERSITE CLAUDE BERNARD LYON, ECOLE SUPERIEURE DE CHIMIE PHYSIQUE ELECTRONIQUE DE LYONInventors: Mostafa TAOUFIK, Kai Chung SZETO, Cesar RIOS NEYRA, Stéphans KRESSMAN
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Patent number: 10647631Abstract: The disclosure relates to a selective head-to-head dimerization of conjugated diene compounds by a catalytic process in a reaction medium without solvent or with solvent comprising hydrocarbons, in the presence of a specific additive of the phenol type.Type: GrantFiled: January 11, 2016Date of Patent: May 12, 2020Assignees: Total Raffinage Chimie, Centre National de la Recherche Scientifique (CNRS), Universite Claude Bernard Lyon, Ecole Superieure de Chimie Physique Electronique de LyonInventors: Cesar Rios Neyra, Kai Chung Szeto, Mostafa Taoufik
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Publication number: 20190084903Abstract: The disclosure relates to a process for obtaining alpha-olefins by heterogeneous catalytic ethenolysis of optionally-functionalized unsaturated, in particular mono-unsaturated, olefins. The disclosure also relates to new supported catalysts that can be used in the process and to a method for preparing the supported catalysts.Type: ApplicationFiled: July 18, 2016Publication date: March 21, 2019Applicants: TOTAL RAFFINAGE CHIMIE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), UNIVERSITE CLAUDE BERNARD LYON, ECOLE SUPERIEURE DE CHIMIE PHYSIQUE ELECTRONIQUE DE LYONInventors: Mostafa TAOUFIK, Régis GAUVIN, Laurent DELEVOYE, Pascal ROUGE, Kai Chung SZETO, Yassine BOUHOUTE, Henri STRUB
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Publication number: 20180002251Abstract: The disclosure relates to a selective head-to-head dimerization of conjugated diene compounds by a catalytic process in a reaction medium without solvent or with solvent comprising hydrocarbons, in the presence of a specific additive of the phenol type.Type: ApplicationFiled: January 11, 2016Publication date: January 4, 2018Applicants: TOTAL MARKETING SERVICES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE(CNRS), UNIVERSITE CLAUDE BERNARD LYON, ECOLE SUPERIEURE DE CHIMIE PHYSIQUE ELECTRONIQUE DE LYONInventors: Cesar RIOS NEYRA, Kai Chung SZETO, Mostafa TAOUFIK
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Patent number: 9078837Abstract: The invention relates to polymer particles in the form of filaments formed by block copolymers, as well as to the use thereof as rheology modifiers for aqueous or organic solutions. A first aspect of the invention relates to filamentous polymer particles having a length/diameter ratio greater than 100, said particles being formed by block copolymers synthesized by controlled radical emulsion polymerization in emulsion, performed using at least one hydrophobic monomer in the presence of a water-soluble marcoinitiator. The invention is characterized in that the filamentous particles are obtained in an aqueous medium for the synthesis of said block copolymers, performed by heating the reaction medium to a temperature of 60 to 120° C., the final block copolymer containing between 10 and 50 mol. % of the water-soluble macroinitiator and the hydrophobic monomer conversion rate being at least 50%.Type: GrantFiled: December 22, 2011Date of Patent: July 14, 2015Assignees: Arkema France, Universite Pierre et Marie Curie, Centre National De La Recherche Scientifique, Universite Claude Bernard Lyon, Ecole Superieure de Chimie Physique Electronique de LyonInventors: Stephanie Magnet, Raber Inoubli, Laurence Couvreur, Bernadette Charleux, Segolene Brusseau
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Patent number: 8796403Abstract: The present invention relates to copolymers with polar and non-polar olefin blocks with a variable polar monomer content of 0.1 mol % to 99.9 mol %. The invention also relates to a method for obtaining copolymers with olefin blocks and vinyl polar monomer blocks, said method using a single-component catalytic system made up of an organometallic complex containing a metal belonging to groups VIII to X. Said organometallic complex is advantageously active in the medium without adding cocatalyst.Type: GrantFiled: October 27, 2009Date of Patent: August 5, 2014Assignees: Arkema France, CNRS, Ecole Superieure de Chimie Physique Electronique de LyonInventors: Christophe Navarro, Alexandra Leblanc, Vincent Monteil, Roger Spitz, Christophe Boisson, Jean-Pierre Broyer
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Patent number: 8268949Abstract: Borohydride metallocene complex of lanthanide, preparation process, catalytic system incorporating it, copolymerization of olefins employing catalytic system and ethylene/butadiene copolymer, the butadiene units comprise 1,2-cyclohexane or 1,2- and 1,4-cyclohexane links. The complex corresponds to of formulae A and/or B: where, in A two ligands Cp1 and Cp2, each of a fluorenyl group, are connected to the lanthanide Ln, where, in B, a ligand molecule, composed of two fluorenyl groups Cp1 and Cp2 are connected via bridge P of formula MR1R2, is an element from group IVa, R1 and R2, which are identical or different, represent an alkyl group comprising from 1 to 20 carbon atoms, connected to lanthanide Ln, L is alkali metal, N is molecule of a complexing solvent, x is integral or non-integral number ?0 and p is integer ?1.Type: GrantFiled: November 7, 2011Date of Patent: September 18, 2012Assignees: Michelin Recherche et Technique S.A., Total Petrochemicals France, Centre National de la Recherche Scientifique, Ecole Superieure de Chimie-Physique-Electronique de LyonInventors: Julien Thuilliez, Christophe Boisson, Roger Spitz
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Patent number: 8071700Abstract: A borohydride metallocene complex of a lanthanide, its process of preparation, a catalytic system incorporating a borohydride metallocene complex and a process for the copolymerization of olefins employing this catalytic system.Type: GrantFiled: October 31, 2006Date of Patent: December 6, 2011Assignees: Michelin Recherche et Technique S.A, Total Petrochemicals France, Centre National de la Recherche Scientifique, Ecole Superieure de Chimie-Physique-Electronique de Lyon (CPE)Inventors: Julien Thuilliez, Christophe Boisson, Roger Spitz
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Patent number: 8071800Abstract: A borohydride metallocene complex of a lanthanide, its process of preparation, a catalytic system incorporating it, a process for the copolymerization of olefins employing this catalytic system and an ethylene/butadiene copolymer obtained by this process, the butadiene units of which comprise 1,2-cyclohexane or 1,2- and 1,4-cyclohexane links.Type: GrantFiled: October 31, 2006Date of Patent: December 6, 2011Assignees: Michelin Recherche et Technique S.A., Total Petrochemicals France, Centre National de la Recherche Scientifique, Ecole Superieure de Chimie-Physique-Electronique de Lyon (CPE)Inventors: Julien Thuilliez, Christophe Boisson, Roger Spitz
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Publication number: 20090182104Abstract: A borohydride metallocene complex of a lanthanide, its process of preparation, a catalytic system incorporating a borohydride metallocene complex and a process for the copolymerization of olefins employing this catalytic system.Type: ApplicationFiled: October 31, 2006Publication date: July 16, 2009Applicants: Michelin Recherche et Technique S.A., Total Petrochemicals France, Centre National de la Recherche Scientifique, Ecole Superieure de Chimie-Physique-Electronique de Lyon (CPE)Inventors: Julien Thuilliez, Christophe Boisson, Roger Spitz