Patents Assigned to ÉCOLE NATIONALE SUPÉRIEURE DE CHIMIE DE RENNES
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Patent number: 12168224Abstract: The present invention relates to an optically pure (+) or (?) enantiomer of a ruthenium complex having formula (I) as well as the preparation method of said enantiomer, and uses thereof as catalyst, in particular in asymmetric olefin metathesis.Type: GrantFiled: July 8, 2021Date of Patent: December 17, 2024Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITÉ D'AIX-MARSEILLE, UNIVERSITE DE RENNES 1, INSTITUT NATIONAL DES SCIENCES APPLIQUÉES, ECOLE NATIONALE SUPÉRIEURE DE CHIMIE DE RENNES, UNIVERSITY OF CALIFORNIA, SAN DIEGOInventors: Rodolphe Jazzar, Guy Bertrand, François Vermersch, Nicolas Vanthuyne, Jennifer Morvan, Marc Mauduit
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Publication number: 20240116876Abstract: The present invention provides SOCE inhibitors that are useful as therapeutic agents in a variety of applications. The present invention also relates to pharmaceutical compositions, products and kits comprising such SOCE inhibitors, and methods of using the SOCE inhibitors in the treatment of a variety of diseases.Type: ApplicationFiled: May 19, 2021Publication date: April 11, 2024Applicants: Institut National de la Santé et de la Recherche Médicale, Universite de Bretagne Occidentale, Ecole Nationale Superieure de Chimie de Rennes, Institut National des Sciences Appliquees de Rennes, Universite Nangui Abrogoua, Centre National de la Recherche Scientifique, Universite de Rennes 1Inventors: Jean Pierre Bazureau, Déliko Camille Dago, Lou Anna Voli, Olivier Mignen, Christophe Brigaudeau, Yves-Alain Berko
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Publication number: 20240018674Abstract: The invention relates to the use of a ternary alloy having the formula SixTiyNiz, wherein x, y and z are natural numbers, for use in electrolysis and photoelectrolysis, in particular photo-oxidation of water. One aspect of the invention relates to a method for the manufacture of an electrode, the method comprising a step of heating a carrier comprising a surface having a layer of silicon on which a layer of TiO2 is disposed, the layer of TiO2 being covered with a layer of NiO; the heating step being carried out at a temperature above 1,000° C., and preferably between 1,150° C. and 1,250° C. The invention also relates to an electrode comprising a carrier, said electrode having either: an outer surface on which particles of a ternary alloy having the formula SixTiyNiz are positioned, wherein x, y and z are natural numbers, and wherein the particles form protrusions; or an outer surface consisting of a layer of said alloy, the layer comprising protrusions.Type: ApplicationFiled: November 29, 2021Publication date: January 18, 2024Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, ECOLE NATIONALE SUPERIEURE DE CHIMIE DE RENNES, UNIVERSITE D'AIXMARSEILLE, UNIVERSITE DE RENNES, INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE RENNESInventors: Maxime DUFOND, Jean Manuel DECAMS, Lionel SANTINACCI, Gabriel LOGET
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Publication number: 20230397490Abstract: An active light-emitting layer composition including a thermally activated delayed fluorescence (TADF) molecule with TADF properties as a host material and a luminescent molecule with circularly polarized (CP) properties as a dopant. Also, a light-emitting device, such as an organic light-emitting diodes (OLED), including the active light-emitting layer made of this composition.Type: ApplicationFiled: October 29, 2021Publication date: December 7, 2023Applicants: UNIVERSITE DE RENNES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRS -, INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE RENNES, ECOLE NATIONALE SUPERIEURE DE CHIMIE DE RENNES, COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Ludovic FAVEREAU, Jeanne CRASSOUS, Sitthichok KASEMTHAVEECHOK, Kais DHBAIBI, Grégory PIETERS, Benoît RACINE, Etienne QUESNEL
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Publication number: 20230255105Abstract: The present invention relates to compounds simultaneously having thermally activated delayed fluorescence (TADF), circularly polarised luminescence (CPL) and aggregation-induced emission enhancement (AIEE) properties. The invention also relates to the use of such compounds as a photocatalyst or as a dopant, in particular in the emitting layers of light-emitting diodes (OLEDs), as well as light-emitting devices or light-emitting diodes (OLEDs) comprising such compounds.Type: ApplicationFiled: July 9, 2021Publication date: August 10, 2023Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITÉ PARIS-SACLAY, UNIVERSITÉ DE RENNES 1, ECOLE NATIONALE SUPÉRIEURE DE CHIMIE DE RENNES, INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE RENNESInventors: Grégory Pieters, Ludovic Favereau, Laurelie Poulard, Max Coehlo, Lucas Frederic, Sitthichok Kasemthaveechok, Jeanne Crassous
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Patent number: 10149810Abstract: The invention relates to a composition (C1) including: (a) at least one compound of formula (I) in which each of the radicals Z is a hydrogen atom or a monovalent radical (Z1); (b) at least one compound of formula (IV); (c) a compound of formula (V). The invention also relates to a method for preparing said composition and to the use thereof in cosmetics.Type: GrantFiled: November 26, 2014Date of Patent: December 11, 2018Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE—CNRS, 'ÉCOLE NATIONALE SUPÉRIEURE DE CHIMIE DE RENNESInventors: Dimitri Perusse, Thierry Benvegnu, Jêrome Guilbot, Hervé Rolland
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Patent number: 9956154Abstract: The invention relates to a surfactant composition including at least one compound of formula (I): in which each of the radicals Z is a hydrogen atom or (Z1); at least one compound of formula (IV); one compound of formula (V); and one compound of formula (VI). The invention also relates to a method for preparing said composition and to the use thereof in cosmetics.Type: GrantFiled: November 26, 2014Date of Patent: May 1, 2018Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQU-CNRS, ÉCOLE NATIONALE SUPÉRIEURE DE CHIMIE DE RENNESInventors: Dimitri Perusse, Thierry Benvegnu, Loïc Lemiegre, Jêrome Guilbot, Hervé Rolland
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Patent number: 9776178Abstract: The invention relates to a ruthenium alkylidene complex comprising a 1-aryl-3-cycloalkyl-imidazolin-2-ylidene ligand, the cycloalkyl group of said 1-aryl-3-cycloalkyl-imidazolin-2-ylidene ligand being a cyclic secondary aliphatic alkyl.Type: GrantFiled: December 11, 2013Date of Patent: October 3, 2017Assignees: Ecole Nationale Superieure De Chimie De Rennes, Centre National De La Recherche Scientifique CNRSInventors: Marc Mauduit, Mathieu Rouen
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Patent number: 9688641Abstract: The invention relates to a process for preparing an asymmetrical imidazolium salt of formula (1A), in which R1 is an aromatic group, R2 is chosen from a cyclic secondary aliphatic alkyl group and a heteroalkyl group, R3 and R4 are chosen, independently of one another, from the group consisting of hydrogen, a halide and an alkyl group, and A? is an anion. The process comprises a first substep of forming a reaction mixture by bringing one equivalent of an aniline into contact with one equivalent of a compound bearing an amine group, in the presence of at least four point five equivalents of a Brønsted acid. The process also comprises a second substep of forming a solution comprising one equivalent of a dicarbonyl, one equivalent of formaldehyde, and at least four point five equivalents of the Brønsted acid, and adding thereto the reaction mixture formed in the first substep. The mixture is left to stir for a predetermined time at a predetermined temperature.Type: GrantFiled: December 11, 2013Date of Patent: June 27, 2017Assignees: Ecole Nationale Superieure De Chimie De Rennes, Centre National De La Recherche Scientifique CNRSInventors: Marc Mauduit, Olivier Basle, Mathieu Rouen
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Patent number: 9556296Abstract: This invention describes a process for metathesis of olefins from feedstocks obtained from the Fischer-Tropsch process, using as catalyst a ruthenium alkylidene complex comprising a saturated or unsaturated, dissymmetrical N-heterocyclic carbene (NHC) ligand.Type: GrantFiled: April 25, 2014Date of Patent: January 31, 2017Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, IFP ENERGIES NOUVELLES, ECOLE NATIONALE SUPERIEURE DE CHIMIE DE RENNESInventors: Helene Olivier-Bourbigou, Francois Hugues, Severine Forget, Mathieu Rouen, Marc Mauduit
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Publication number: 20150125888Abstract: A process for enzymatically converting a furanoside substrate in a product of interest, includes contacting the substrate with an enzyme in presence of an alcohol acceptor, wherein the enzyme is preferably Araf51, and wherein the product is preferably an alkyl furanoside. The mutant Araf51 enzyme showing improved transglycosylation activity in comparison with the native wild-type (wt) Araf51 enzyme, and a method for screening the mutants are also described.Type: ApplicationFiled: April 19, 2013Publication date: May 7, 2015Applicants: ECOLE NATIONALE SUPERIEURE DE CHIMIE DE RENNES (ENSCR), CENTRE NATIOANAL DE LA RECHERCHE SCIENTIFIQUE (CNRS)Inventors: Richard Daniellou, Caroline Nugier-Chauvin, Vincent Ferrieres, Alize Pennec, Ilona Chlubnova
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Publication number: 20140323671Abstract: This invention describes a process for metathesis of olefins from feedstocks obtained from the Fischer-Tropsch process, using as catalyst a ruthenium alkylidene complex comprising a saturated or unsaturated, dissymmetrical N-heterocyclic carbene (NHC) ligand.Type: ApplicationFiled: April 25, 2014Publication date: October 30, 2014Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, IFP ENERGIES NOUVELLES, ECOLE NATIONALE SUPERIEURE DE CHIMIE DE RENNESInventors: Helene OLIVIER-BOURBIGOU, Francois HUGUES, Severine FORGET, Mathieu ROUEN, Marc MAUDUIT
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Patent number: 8835628Abstract: The present invention relates to catalytically active compounds of the general formula (1) that are highly tunable, as well as to a method of their preparation and their use in any type metathesis reaction. The new compounds of the present invention comprise activation sites that allow for specific catalyst design. Particularly, side chains and ligands allow efficient activity and specificity control of the catalysts of the present invention.Type: GrantFiled: July 30, 2010Date of Patent: September 16, 2014Assignees: Ecole Nationale Superieure de Chimie de Rennes, Centre National de la Recherche Scientifique CNRSInventors: Marc Mauduit, Frédéric Caijo, Christophe Crevisy
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Patent number: 8569467Abstract: The invention relates to C-glycose compounds of formula (I) where: S? is a monosaccharide radical or a polysaccharide radical derived from a monosaccharide or polysaccharide S; R is a linear or branched alkyl radical; and Z is an ethylenyl CH?CR1(R2) or an acetylenyl C?CR3 radical. The invention also relates to a method for preparing C-glycoside compounds of formula (III), characterized in that the method consists of a step of reacting a sugar (S), in an aqueous solvent or in the absence of a solvent and in the presence of an organic or mineral base (B), with a phosphonate of formula (II) according to the following reaction pattern: Formulas (II), (III).Type: GrantFiled: November 6, 2009Date of Patent: October 29, 2013Assignees: Ecole Nationale Supérieure de Chimie de Rennes, Armor ProteinesInventors: Thierry Benvegnu, Loïc Lemlegre, Adeline Ranoux
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Publication number: 20130190518Abstract: The present invention relates to a process for preparing a terpenoid derivative, the process comprising a metathesis of an olefin and a terpenoid, and to terpenoid derivatives prepared with said process.Type: ApplicationFiled: July 11, 2011Publication date: July 25, 2013Applicant: Ecole Nationale Superieure de Chimie de RennesInventors: Marc Mauduit, Frédéric Caijo, Christophe Crévisy
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Patent number: 8299250Abstract: The invention relates to a compound of the formula (I) or the formula (II) in which: W is an oxygen atom or a radical of the formula NH; X is hydrogen or an alkaline cation or a C1-C8 alkyl or a —(CH2)n3—C(R4)(R5)(R6) radical; X and R on the one hand and X and R1 on the other hand may independently form an optionally substituted cycle with 5, 6 or 7 links. The invention also relates to complexes of said compounds with at least one metal selected from the group comprising copper, palladium, ruthenium, iridium and rhodium, and to a method for the synthesis of these compounds. These compounds and complexes can be used in various asymmetrical catalysis methods.Type: GrantFiled: October 17, 2008Date of Patent: October 30, 2012Assignees: Ecole Nationale Supérieure de Chimie de Rennes, CNRS (Centre National de la Recherche Scientifique)Inventors: Marc Mauduit, Diane Rix, Christophe Crevisy, Joanna Wencel
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Patent number: 7981856Abstract: The invention relates to surfactant compositions made from esters or amides of the betaine glycine, produced by reaction of the glycine betaine with a sulphonic acid and an alcohol or a fatty-chain amine derived from vegetable oils. The invention further relates to a cosmetic comprising said surfactant composition, in particular, liquid soap, bath foam, shower gel or shampoo.Type: GrantFiled: April 29, 2010Date of Patent: July 19, 2011Assignees: Eiffage Travaux Publics, Ecole Nationale Superieure de Chimie de RennesInventors: Jean-Pierre Antoine, Jerome Marcilloux, Martine Lefeuvre, Daniel Plusquellec, Thierry Benvegnu, Fabrice Goursaud, Bernard Parant
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Patent number: 7829521Abstract: The invention relates to surfactant compositions made from esters or amides of the betaine glycine, produced by reaction of the glycine betaine with a sulphonic acid and an alcohol or a fatty-chain amine derived from vegetable oils. The invention further relates to a cosmetic comprising said surfactant composition, in particular, liquid soap, bath foam, shower gel or shampoo.Type: GrantFiled: May 3, 2005Date of Patent: November 9, 2010Assignees: Eiffage Travaux Publics, Ecole Nationale Superieure de Chimie de RennesInventors: Jean-Pierre Antoine, Jerome Marcilloux, Martine Lefeuvre, Daniel Plusquellec, Thierry Benvegnu, Fabrice Goursaud, Bernard Parant
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Publication number: 20100273694Abstract: The invention relates to surfactant compositions made from esters or amides of the betaine glycine, produced by reaction of the glycine betaine with a sulphonic acid and an alcohol or a fatty-chain amine derived from vegetable oils. The invention further relates to a cosmetic comprising said surfactant composition, in particular, liquid soap, bath foam, shower gel or shampoo.Type: ApplicationFiled: April 29, 2010Publication date: October 28, 2010Applicants: EIFFAGE TRAVAUX PUBLICS, ECOLE NATIONALE SUPERIEURE DE CHIMIE DE RENNESInventors: Jean-Pierre Antoine, Jérôme Marcilloux, Martine Lefeuvre, Daniel Plusquellec, Thierry Benvegnu, Fabrice Goursaud, Bernard Parant
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Publication number: 20100087644Abstract: The invention relates to all compounds of the formula (I) or (II) in which: L is a neutral ligand; X, X? are anionic ligands; R1 and R2 are, separately, a hydrogen, a C1-C6 alkyl, a C1-C6 perhalogenoalkyl, a aldehyde, a ketone, an ester, a nitrile, an aryl, a pyridinium alkyl, an optionally substituted C5 or C6 pyridinium alkyl, perhalogenoalkyl or cyclohexyl, a Cnh2NY radical 10 with n between 1 and 6 and y an i8onic marker, or a radical having the formula: wherein R1 can be a radical of formula (Ibis) when the compound has formula (I) or of formula (IIbis) when the compound has formula (II), R3 is a C1-C6 alkyl, or a C5 or C6 cycloalkyl or a C5 or C6 aryl; R0, R4, R5, R6, R7, R8, R9, R10, R11, are, separately, a hydrogen, C1-C6 alkyl, a C1-C6 perhalogenoalkyl, or a C5 or C6 aryl; wherein R9, R10, R11 can be a heterocycle; X1 is anion. R1 and R2 can form, with the N and the C to which they are attached, a heterocycle.Type: ApplicationFiled: November 30, 2007Publication date: April 8, 2010Applicants: ECOLE NATIONALE SUPERIEURE DE CHIMIE DE RENNES, CNRS (CENTRE NATIONAL DE LA RECHERCHE SCIENTFIQUE)Inventors: Marc Mauduit, Isabelle Laurent, Hervé Clavier