Patents Assigned to Ecole Nationale Superieure de Chimie de Montpellier
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Publication number: 20190316223Abstract: The present invention is in the field of surfactants to extract a platinum group metal or gold, in particular palladium, from organic compositions. In particular, the invention concerns the use of surfactants to back-extract a platinum group metal or gold, in particular palladium, from organic compositions further comprising an extractant of said platinum group metal or gold, in particular palladium from an aqueous solution.Type: ApplicationFiled: May 19, 2017Publication date: October 17, 2019Applicants: Centre National de la Recherche Scientifique, Universite d'Avignon et des Pays de Vaucluse, Universite de Strasbourg, Commissariat a l'Energie Atomique et aux Energies Alternatives, Ecole Nationale Superieure de Chimie de Montpellier, Universite de MontpellierInventors: Frédéric Jean-Jacques Bihel, Damien Bourgeois, Stéphane Desgranges, Daniel Meyer, Christiane Contino-Pepin, Martine Schmitt, Patrick Hervé Denis Wagner
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Publication number: 20190247551Abstract: The present invention relates to an efficient method for grafting a properties-imparting compound onto a polymeric substrate containing carbon-hydrogen (C—H) bonds using clip chemistry. The method of the invention includes coating the substrate with the properties-imparting compound and irradiating it with a reactive light source, and repeating this sequence at least once. The present invention further relates to surface-modified polymeric substrates grafted with a properties-imparting compound, in particular obtained with the method of the invention, medical devices comprising same, and non-medical of said surface-modified polymeric substrates.Type: ApplicationFiled: June 23, 2017Publication date: August 15, 2019Applicants: Centre National de la Recherche Scientifique (CNRS), Universite de Montpellier, Ecole Nationale Superieure de Chimie de Montpellier - ENSCMInventors: Benjamin Nottelet, Anita Schulz épouse Luxenhofer, Jean Coudane
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Patent number: 9908100Abstract: The invention relates to a method for the production of a TiO2 material comprising: preliminary mixing a titanium alkoxide with an acid; adding water, a phase separator and of an N source to the mixture thereby obtaining a TiO2 gel; washing the TiO2 gel with isopropanol; drying and calcining the TiO2 gel to produce the material. The invention also relates to a TiO2 material exhibiting an absorbance in the visible spectrum and in particular a light absorption at 500 nm which is greater than 50% of the light absorption at 400 nm, and its use as photocatalyst for the degradation of pollutants in air or water and water splitting into H2, under radiation in the visible spectrum.Type: GrantFiled: January 27, 2015Date of Patent: March 6, 2018Assignees: TOTAL SA, Centre National De La Recherche Scientifique—CNRS, Ecole Nationale Superieure de Chimie de MontpellierInventors: Paolo Boscaro, Vasile Hulea, Nathalie Marcotte, François Fajula, Anne Galarneau, Francis Luck
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Patent number: 9896461Abstract: The invention concerns a mono- or polyfunctional polysilylated organosilane compound, and the method for preparing same.Type: GrantFiled: July 8, 2013Date of Patent: February 20, 2018Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S), ECOLE NATIONALE SUPERIEURE DE CHIMIE DE MONTPELLIER, UNIVERSITE MONTPELLIER, 2 SCIENCES ET TECHNIQUESInventors: Michel Wong Chi Man, Xavier Cattoën, Kristyna Bürglova, Jana Hodacova
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Patent number: 9862843Abstract: Provided is a metal-oxide nanofiller including at least two graft chains, at least one of the chains being hydrophilic and the other being a hydrophobic chain compatible with fluorinated polymers. The hydrophobic chain is an oligomer, the weight-average molar mass Mw of which is between 300 and 20,000 g/mol?1. Also provided is a non-stick coating comprising such a filler, as well as to a culinary article provided with such a coating.Type: GrantFiled: November 30, 2011Date of Patent: January 9, 2018Assignees: SEB S.A., Ecole Nationale Superieure de Chimie de Montpellier, Specific PolymersInventors: Nelly Durand, Bernard Boutevin, Bruno Ameduri, Cedric Loubat, Barbara Gantillon, Jean-Luc Perillon
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Patent number: 9850364Abstract: Process for the preparation of a vinylidene chloride polymer composite comprising a solid particulate encapsulated in the vinylidene chloride polymer. The process comprises providing a dispersion of a solid particulate material in a liquid phase, said dispersion comprising a RAFT/MADIX agent; providing vinylidene chloride and optionally one or more ethylenically unsaturated monomer copolymerizable therewith to said dispersion; and polymerizing vinylidene chloride and said optionally present one or more ethylenically unsaturated monomer under the control of said RAFT/MADIX agent to form polymer at the surface of said solid particulate material.Type: GrantFiled: December 18, 2012Date of Patent: December 26, 2017Assignees: Solvay SA, Centre National De La Recherche Scientifique, Ecole Nationale Superieure De Chimie De Montpellier, Universite De Montpellier 2Inventors: Jérôme Vinas, Pierre-Emmanuel Dufils, Jérôme Garnier, Patrick Lacroix-Desmazes, Alex Van Herk, Jérôme Warnant, Yves Vanderveken
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Patent number: 9694074Abstract: Disclosed are nanovectors of formula (I) that can be used simultaneously for the targeting, imaging and treatment, by photodynamic therapy, of cancer cells, and to biodegradable silicon nanoparticles containing a variety of photosensitizing molecules, in particular porphyrins, capable of targeting diseased cells and inducing cell death by excitation in the near-infrared region (>600 nm) in monophotonic and biphotonic modes. In formula (I), (AA) is a porous silicon nanoparticle.Type: GrantFiled: March 26, 2013Date of Patent: July 4, 2017Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), UNIVERSITE MONTPELLIER 2 SCIENCES ET TECHNIQUES, THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, ECOLE NATIONALE SUPERIEURE DE CHIMIE DE MONTPELLIERInventors: Frederique Cunin, Jean-Olivier Durand, Michael J. Sailor, Marcel Garcia, Emilie Secret, Magali Gary-Bobo, Marie Maynadier, Alain Morere
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Patent number: 9656947Abstract: The present invention concerns a process for preparing a compound of formula (I) by reaction between a compound of formula (II) and a compound of formula (III) in the presence of a copper-containing catalyst, a ligand and base. The invention also concerns the implementing of this process for the preparation of building blocks to prepare molecules of interest in particular in the pharmaceutical, agro-chemical fields, etc.Type: GrantFiled: June 6, 2013Date of Patent: May 23, 2017Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S), UNIVERSITE MONTPELLIER 2, SCIENCES ET TECHNIQUES, ECOLE NATIONALE SUPERIEURE DE CHIMIE DE MONTPELLIERInventors: Marc Taillefer, Florian Monnier, Anis Tlili, Grégory Danoun
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Patent number: 9416218Abstract: The present application relates to a method for preparing epoxy resins from a mixture of epoxidized phenolic compounds, wherein said epoxidized phenolic compounds are obtained by the epoxidation of natural phenolic compounds selected from the group comprising simple phenol, acid-phenol, coumarin, naphthoquinone, stillbenoid, flavonoid, isoflavanoid, anthocyanin, condensed tannin and hydrolyzable tannin.Type: GrantFiled: May 27, 2010Date of Patent: August 16, 2016Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.), ECOLE NATIONALE SUPERIEURE DE CHIMIE DE MONTPELLIERInventors: Bernard Boutevin, Sylvain Caillol, Carine Burguiere, Sylvie Rapior, Hélène Fulcrand, Hélène Nouailhas
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Patent number: 9184461Abstract: The invention relates to a method of preparing a fluorinated copolymer, comprising a step of copolymerization of a fluorinated monomer (of the vinylidene fluoride type) with an ?-trifluoromethacrylic acid monomer or derivative of ?-trifluoromethacrylic acid, in the presence of a xanthate or trithiocarbonate compound. The invention also relates to copolymers obtained by this method as well as block copolymers comprising a copolymer block prepared according to this method.Type: GrantFiled: November 30, 2012Date of Patent: November 10, 2015Assignees: Arkema France, Ecole Nationale Superieure de Chimie de Montpellier, Centre Nationale de la Recherche ScientifiqueInventors: Bruno Ameduri, Yogesh Patil
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Patent number: 9184459Abstract: The invention relates to a polymer comprising at least one polymeric chain of a first type, the said chain comprising at least two blocks, the same or different, the said blocks comprising repeat units derived from the polymerisation of styrene monomers, the said units comprising at least one phenyl pendant group carrying at least one —SO3R group, R possibly being a hydrogen atom, an alkyl group or cationic counter-ion, the said two blocks being separated by a spacer group, the spacer group is a perfluorocarbon group.Type: GrantFiled: September 21, 2011Date of Patent: November 10, 2015Assignees: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE MONTPELLIER 2, SCIENCES ET TECHNIQUES, ECOLE NATIONALE SUPERIEURE DE CHIMIE DE MONTPELLIERInventors: Pierrick Buvat, Jannick Bigarre, Renaud Perrin, Bruno Ameduri, Aurelien Soules, Bernard Boutevin
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Patent number: 9162953Abstract: The present invention relates to a process for creating a Carbon-Carbon bond (C—C) or a Carbon-Heteroatom bond (C-HE) by reacting a compound carrying a leaving group with a nucleophilic compound carrying a carbon atom or a heteroatom (HE) that can substitute for the leaving group, creating a C—C or C-HE bond, wherein the reaction takes place in the presence of an effective quantity of a catalytic system comprising iron and copper.Type: GrantFiled: July 4, 2007Date of Patent: October 20, 2015Assignees: CENTRE NATIONALE DE RECHERCHE SCIENTIFIQUE, ECOLE NATIONALE SUPERIEURE DE CHIMIE DE MONTPELLIERInventors: Marc Taillefer, Ning Xia, Armelle Ouali
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Patent number: 9108908Abstract: The invention relates to a method for functionalizing natural fatty substances: According to said method, plant oils including at least two unsaturations and the derivatives thereof, fatty acids including at least one unsaturated compound and the derivatives thereof, and mixtures of same, are reacted with a thiol derivative of formula (I), at a temperature of between 0° C. and the temperature of total degradation of the natural fatty substance and in the presence of a thermal initiator compound or a redox initiator, or by UV radiation, or by UV radiation and in the presence of a photoinitiator. The invention also relates to the resulting functionalized fatty substances and to the use thereof for the preparation of polymers. The invention further relates to a method for preparing polymers from at least one functionalized fatty substance obtained by said functionalization method.Type: GrantFiled: June 30, 2011Date of Patent: August 18, 2015Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.), ECOLE NATIONALE SUPERIEURE DE CHIMIE DE MONTPELLIER, UNIVERSITE MONTPELLIER 2, SCIENCES ET TECHNIQUESInventors: Sylvain Caillol, Bernard Boutevin, Myriam Desroches
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Patent number: 9040650Abstract: A method for preparing a formaldehyde-free phenolic plastic resin, includes a step of preparing a hardener via careful oxidation of a polyol and a step of reacting the hardener with phenolic compounds.Type: GrantFiled: November 19, 2010Date of Patent: May 26, 2015Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S), UNIVERSITE MONTPELLIER 2 SCIENCES ET TECHNIQUES, ECOLE NATIONALE SUPERIEURE DE CHIMIE DE MONTPELLIERInventors: Sylvain Caillol, Bernard Boutevin, Ghislain David, Carine Burguiere
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Publication number: 20150119523Abstract: The invention concerns a method for preparing block copolymers, comprising a step of controlled free-radical copolymerisation of trifluoroethylene with at least one additional monomer, different from trifluoroethylene, in the presence of a chain transfer agent, said chain transfer agent being a xanthate compound, a trithiocarbonate compound or a monoiodide compound. The invention also concerns the block copolymers likely to be obtained by this method.Type: ApplicationFiled: April 25, 2013Publication date: April 30, 2015Applicants: ARKEMA FRANCE, ECOLE NATIONALE SUPERIEURE DE CHIMIE DE MONTPELLIERInventors: Bruno Ameduri, Ali Alaaeddine
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Publication number: 20140154611Abstract: The invention relates to a method of preparing a fluorinated copolymer, comprising a step of copolymerization of a fluorinated monomer (of the vinylidene fluoride type) with an ?-trifluoromethacrylic acid monomer or derivative of ?-trifluoromethacrylic acid, in the presence of a xanthate or trithiocarbonate compound. The invention also relates to copolymers obtained by this method as well as block copolymers comprising a copolymer block prepared according to this method.Type: ApplicationFiled: November 30, 2012Publication date: June 5, 2014Applicants: Ecole Nationale Superieure de Chimie de Montpellier, Arkema FranceInventors: Bruno Ameduri, Yogesh Patil
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Patent number: 8703832Abstract: Interpenetrating polymer networks comprising a first network of polymer A formed from monomers, at least one of which contains an aromatic group functionalized with a cation-exchange group, and a second network of polymer B formed from monomers, at least one of which contains a fluorinated group (RF). Use of these interpenetrating polymer networks for manufacturing fuel cell membranes.Type: GrantFiled: December 8, 2009Date of Patent: April 22, 2014Assignees: Commissariat a l'energie Atomique et aux Energies Alternatives, Centre National de la Recherche Scientifique, Universite de Cergy-Pontoise, Ecole Nationale Superieure de Chimie de Montpellier, Universite de SavoieInventors: Arnaud Morin, Bruno Ameduri, Linda Chikh, Odile Fichet, Gérard Gebel, Régis Mercier
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Patent number: 8674125Abstract: A method for the creation of a carbon-carbon (C—C) bond or of a carbon-heteroatom (C-HE) bond includes reacting a compound carrying a leaving group with a nucleophilic compound carrying a carbon atom or a heteroatom (HE) capable of replacing the leaving group, thus creating a C—C or C-HE bond, in which process the reaction is carried out in the presence of an effective amount of a catalytic system comprising at least one copper/butadienylphosphine complex.Type: GrantFiled: February 26, 2013Date of Patent: March 18, 2014Assignees: Centre National de la Recherche Scientifique (C.N.R.S.), Ecole Nationale Superieure de Chimie de Montpellier, Universite Sidi Mohammed Ben AbdellahInventors: Marc Taillefer, Hamid Kaddouri, Fouad Ouazzani, Armelle Ouali
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Patent number: 8476323Abstract: The invention relates to a fluorocarbon polymer material comprising a backbone with the following unit: wherein: Z is a quaternary ammonium group, Y1 and Y2 are each independently an oxygen heteroatom or a sulphur heteroatom, A is a fluorinated or perfluorinated straight chain having from 2 to 6 carbon atoms, R1 represents a phenyl or aryl group or a —CR2R3— group, and R4 is selected from the group consisting of a hydrogen atom, a straight or branched, cyclic or acyclic, alkyl or halogenated alkyl group, and a group represented by the following formula: m is an integer comprised between 0 and 10, preferably between 0 and 3; m?, n and r are integers, each independently equal to 0 or 1; and s is equal to 0 or 1, provided that when s is equal to 0, then R4 is different from the hydrogen atom.Type: GrantFiled: February 2, 2011Date of Patent: July 2, 2013Assignees: Commissariat a l'Energie Atomique et aux Energies Alternatives, Centre Nationale de Recherche Scientifique, Ecole Nationale Superieure de Chimie de MontpellierInventors: Audrey Martinent, Ali Alaaeddine, Bruno Ameduri, Philippe Capron
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Publication number: 20130165667Abstract: A method for the creation of a carbon-carbon (C—C) bond or of a carbon-heteroatom (C-HE) bond includes reacting a compound carrying a leaving group with a nucleophilic compound carrying a carbon atom or a heteroatom (HE) capable of replacing the leaving group, thus creating a C—C or C-HE bond, in which process the reaction is carried out in the presence of an effective amount of a catalytic system comprising at least one copper/butadienylphosphine complex.Type: ApplicationFiled: February 26, 2013Publication date: June 27, 2013Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.), UNIVERSITE SIDI MOHAMMED BEN ABDELLAH, ECOLE NATIONALE SUPERIEURE DE CHIMIE DE MONTPELLIERInventors: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.), ECOLE NATIONALE SUPERIEURE DE CHIMIE DE MONTPELLIER, UNIVERSITE SIDI MOHAMMED BEN ABDELLAH