Patents Assigned to Institut National des Sciences Appliquees
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Publication number: 20170107242Abstract: The invention relates to a method for producing derivatives of O-?-glucosylated flavonoid, comprising at least one step of incubating a glucansucrase with a flavonoid and at least one sucrose, the flavonoid being a flavonoid which is monohydroxylated or hydroxylated in a non-vicinal manner on the B cycle. The invention also relates to novel O-?-glucosylated flavonoid derivatives, and to the use thereof.Type: ApplicationFiled: March 24, 2015Publication date: April 20, 2017Applicants: Institut National de la Recherche Agronomique, Institut National des Sciences Appliquees de Toulouse, Centre National de la Recherche ScientifiqueInventors: Sandrine Morel, Isabelle Andre, Yoan Brison, Emmanuelle Cambon, Yannick Malbert, Denis Pompon, Magali Remaud-Simeon, Philippe Urban
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Patent number: 9623044Abstract: The present invention relates to chitosan hydrogel microparticles of a median size d50 comprised between 1 and 500 ?m (obtained from a number distribution), the chitosan having a degree of acetylation of less than equal to 20% and its concentration in the hydrogel being comprised between 0.25 and 5% by weight based on a total weight of the hydrogel, for use in neuron regeneration and/or in the repair of the nervous system, advantageously of the central nervous system, and/or in the grafting of neurons and/or in the treatment of neurodegenerative diseases and/or in the treatment of paralyses. It also relates to an implant comprising an aqueous suspension of microparticles mixed with Schwann cells and/or stem cells and/or trophic factors.Type: GrantFiled: July 16, 2013Date of Patent: April 18, 2017Assignees: UNIVERSITE CLAUDE BERNARD LYON I, INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE LYON, UNIVERSITE JEAN MONNET, SAINT ETIENNE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, INSERM (INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE), UNIVERSITE PIERRE ET MARIE CURIE (PARIS 6)Inventors: Fatiha Nothias, Sylvia Soares, Laurent David, Alexandra Montembault
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Patent number: 9605283Abstract: The invention relates to a modified microorganism for the production of PDO from a carbon substrate wherein the microorganism includes a three-step metabolic pathway including a first step of conversion of 2,4-dihydroxybutyrate (DHB) to obtain 2-oxo-4-hydroxybutyrate (OHB) by an enzyme having 2,4-DHB dehydrogenase activity, a second step of decarboxylation of the OHB to obtain 3-hydroxypropionaldehyde by an enzyme having 2-oxo-4-hydroxybutyrate decarboxylase activity, and a third step of reduction of the obtained 3-hydroxypropionaldehyde to obtain PDO with an enzyme having 3-hydroxypropionaldehyde reductase activity and the genes enabling the microorganism for the synthesis of DHB.Type: GrantFiled: July 10, 2013Date of Patent: March 28, 2017Assignee: INSTITUT NATIONAL DES SCIENCES APPLIQUÉESInventors: Thomas Walther, Jean Marie Francois
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Patent number: 9525095Abstract: A colloidal dispersion of a metal chalcogenide material in divided state in an aqueous liquid phase selected from the group consisting of aqueous solutions and solutions including a mixture of water and at least one solvent that is miscible with water, wherein the carbon element of the material is present in a proportion of less than 2.5 wt. % as determined by elemental analysis, the concentration of the material in the colloidal dispersion is more than 40 g/l, and the colloidal dispersion has a charge potential value which is negative and the absolute value of which is higher than 20 mV.Type: GrantFiled: March 7, 2012Date of Patent: December 20, 2016Assignees: UNIVERSITE PAUL SABATIER TOULOUSE III, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.), INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE TOULOUSE, ECOLE SUPERIEURE DES BEAUX-ARTS DE LA REUNIONInventors: Jean-Yves Chane-Ching, Oana Zaberca, Azmach Tolesa, Andrea Balocchi
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Publication number: 20160319306Abstract: The present invention relates, inter alia, to recombinant Gram-positive Clostridia host cells for producing solvents, fuels and/or chemical intermediates, and preferably ethanol, from plant cell walls comprising: (a) at least one nucleic acid encoding a plant cell wall degrading enzyme, wherein the host cells produce and secrete the plant cell wall degrading enzyme, (b) at least one nucleic acid encoding an enzyme that converts pyruvate to acetaldehyde and at least one nucleic acid encoding an enzyme that converts acetaldehyde to ethanol wherein the host cell is capable of expressing said nucleic acid, and, (c) a mutation in at least one nucleic acid encoding for an enzyme in a metabolic pathway which produces a metabolite other than acetaldehyde from pyruvate or ethanol from acetaldehyde, such that the mutation results in a reduced production of the metabolite.Type: ApplicationFiled: June 24, 2016Publication date: November 3, 2016Applicants: Total Marketing Services, Le Centre National De Recherche Scientifique (CNRS), Université D'Aix Marseille, L'Institut National des Sciences Appliquées (INSA)Inventors: Laurence GIRBAL, Florence Saint-Prix, Mathieu Cesari, Henri-Pierre Fierobe, Roberto Mazzoli, Florence Mingardon, Angélique Chanal-Vial
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Publication number: 20160297857Abstract: The invention relates to novel entomotoxic polypeptides of the family of albumins 1b in legumes. Said polypeptides can be especially used as insecticides.Type: ApplicationFiled: December 9, 2014Publication date: October 13, 2016Applicants: Institut National de la Recherche Agronomique, Institut National des Sciences Appliquees de LyonInventors: Corinne Royer, Pedro Da Silva, Frederic Gressent, Lamis Karaki, Yvan Rahbe
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Publication number: 20160298091Abstract: The present invention relates to a recombinant process for the production of truncated or mutated dextransucrases while conserving the enzymatic activity or their specificity in the synthesis of the ?-1,6 bonds. The present invention relates to nucleic acid sequences of truncated or mutated dextransucrases, vectors containing the nucleic acid sequences and host cells transformed by sequences encoding truncated or mutated dextransucrases. In another aspect, the invention concerns a method for producing, in a recombinant manner, truncated or mutated dextransucrases which conserve their enzymatic activity or which conserve their specificity in the synthesis of ?-1,6 bonds and can produce, from saccharose, dextrans with high molar mass and modified rheological properties compared with the properties of dextran obtained with the native enzyme and isomalto-oligosaccharides with a controlled molar mass and dextrans.Type: ApplicationFiled: June 23, 2016Publication date: October 13, 2016Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, INSTITUT NATIONAL DE RECHERCHE AGRONOMIQUE, INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE TOULOUSEInventors: Pierre F. MONSAN, Magali REMAUD-SIMEON, Gabrielle POTOCKI-VERONESE, Claire MOULIS
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Patent number: 9464344Abstract: According to a thermomechanical treatment process for a titanium alloy including between 23 and 27% niobium in atomic proportion, between 0 and 10% zirconium, and between 0 and 1% oxygen, nitrogen and/or silicon, the following steps are performed: a) an increase of a sample of the alloy to a temperature higher than 900° C., b) a fast quench, c) a severe cold strain, d) an ageing treatment at a temperature included between 200 and 600° C., the time of the ageing treatment being included between 10 seconds and 10 minutes. Alloy obtained by this process and prostheses made from such an alloy.Type: GrantFiled: November 7, 2012Date of Patent: October 11, 2016Assignees: UNIVERSITE DE LORRAINE, ECOLE NATIONALE D INGENIEURS DE METZ (ENIM), ARTS, INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE RENNES (INSA DE RENNES), NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CRNS)Inventors: Pascal Laheurte, Frédéric Prima, Thierry Gloriant, Wafa Elmay, André Eberhardt, Etienne Patoor
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Patent number: 9441213Abstract: Described herein are molecules, constructs and methods for the production and secretion of polypeptides of interest by host cells, preferably bacterial host cells, and more particularly gram positive bacteria. In particular, the present invention is related to a polynucleic acid encoding a fusion protein and to uses thereof for the secretion of heterologous or homologous polypeptides of interest by a bacterial host cell, preferably Clostridium bacteria. The present invention further relates to methods and constructs for the production and secretion of heterologous or homologous polypeptides of interest proteins by host cells using such polynucleic acids and fusion proteins.Type: GrantFiled: April 9, 2014Date of Patent: September 13, 2016Assignees: Total Marketing Services, Le Centre National De Recherche Scientifique (CNRS), Université d'Aix-Marseille, L'Institut National des Sciences Appliquées (INSA)Inventors: Henri-Pierre Fierobe, Florence Mingardon, Angélique Chanal-Vial
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Patent number: 9416114Abstract: This invention relates to 1,2,4-triazine derivatives, processes for their preparation, pharmaceutical compositions, and their use in treating viral infections.Type: GrantFiled: October 1, 2013Date of Patent: August 16, 2016Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), UNIVERSITE DE ROUEN, INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE ROUEN (INSA)Inventors: Vincent Gembus, Philippe Jubault, Christophe Hoarau, Vincent Levacher, Jean-Francois Bonfanti, David Graig McGowan, Jerome Emile Georges Guillemont
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Patent number: 9399765Abstract: The present invention relates to a recombinant process for the production of truncated or mutated dextransucrases while conserving the enzymatic activity or their specificity in the synthesis of the ?-1,6 bonds. The present invention relates to nucleic acid sequences of truncated or mutated dextransucrases, vectors containing the nucleic acid sequences and host cells transformed by sequences encoding truncated or mutated dextransucrases. In another aspect, the invention concerns a method for producing, in a recombinant manner, truncated or mutated dextransucrases which conserve their enzymatic activity or which conserve their specificity in the synthesis of ?-1,6 bonds and can produce, from saccharose, dextrans with high molar mass and modified rheological properties compared with the properties of dextran obtained with the native enzyme and isomalto-oligosaccharides with a controlled molar mass and dextrans.Type: GrantFiled: July 14, 2015Date of Patent: July 26, 2016Assignees: Centre National de la Recherche Scientifique, Institut National de Recherche Agronomique, Institut National des Sciences Appliquees de ToulouseInventors: Pierre F. Monsan, Magali Remaud-Simeon, Gabrielle Potocki-Veronese, Claire Moulis
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Patent number: 9352969Abstract: A process for manufacturing silicon-based nanoparticles by electrochemical etching of a substrate, wherein the substrate is a metallurgical-grade or upgraded metallurgical-grade silicon, the substrate including an impurity content greater than 0.01%.Type: GrantFiled: March 9, 2012Date of Patent: May 31, 2016Assignees: INSTITUT NATIONAL des SCIENCES APPLIQUEES DE LYON, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, APOLLON SOLARInventors: Volodymyr Lysenko, Jed Kraiem, Mahdi Medjaoui
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Patent number: 9356113Abstract: The invention concerns a method for producing a field effect transistor having a trench gate comprising: —the forming (110) of at least one trench (11, 12, 13) in a semi-conductive substrate (1) having a first type of conductivity, said substrate comprising two opposing faces called front face and rear face, —the primary implantation (120) of ions having a second type of conductivity so as to implant each trench of the substrate to form an active gate area, —the depositing (160) of a layer of polycrystalline silicon having the second type of conductivity on the implanted active gate area, —the oxidation (160) of the layer of polycrystalline silicon, and —the metallization (180) of the substrate on the front and rear faces of same in order to form active source and drain areas.Type: GrantFiled: September 5, 2012Date of Patent: May 31, 2016Assignees: Institut National des Sciences Appliquees de Lyon, Université Claude Bernard Lyon 1, Centre National de la Recherche Scientifique (CNRS), Ecole Centrale De Lyon, Consejo Superior De Investigaciones Cienti{acute over (f)}icas (CSIC)Inventors: Dominique Tournier, Florian Chevalier, Philippe Godignon, José Millan
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Publication number: 20160054238Abstract: A device for the imaging of an object to be studied, combines: a prism made from a material with no losses (non-absorbent) for radiation in the microwave range; a sample holder on a front face of the prism for receiving the object to be studied; and a mobile emitting antenna on a rear face of the prism in order to emit radiation in the microwave range.Type: ApplicationFiled: March 28, 2014Publication date: February 25, 2016Applicants: INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE LYON, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), UNIVERSITE CLAUDE BERNARD LYON 1, UNIVERSITE D'AIX MARSEILLEInventors: Rodolphe VAILLON, Bernard LACROIX, Jean-Michel GEFFRIN, Mathieu FRANCOEUR
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Publication number: 20160009552Abstract: The invention relates to a method for producing a directed monolayer or multilayer assembly of colloidal nanoparticles attached to an electret substrate, including a step (4) of imparting a surface electric potential to an electret substrate according to a pattern of positive and/or negative electric charges, and a step (6) of contacting an electret substrate with a colloidal dispersion. The colloidal dispersion comprises electrically neutral or near neutral and electrically polarizable colloidal nanoparticles, and a nonpolarizing or weakly polarizing dispersion medium.Type: ApplicationFiled: February 27, 2014Publication date: January 14, 2016Applicants: Institut National Des Sciences Appliquees De Toulouse, Centre National De La Recherche Scientifique, Universite Paul Sabatier Toulouse IIIInventors: Laurence RESSIER, Sangeetha NERALAGATTA MUNIKRISHNAIAH, Pierre MOUTET
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Publication number: 20150353493Abstract: A compound of formula (I) in which the dotted lines indicate the presence of at least one double bond; n=0 to 4; R3 and R4 are H, or when n=1, R3 and R4 can also form together a double bond between the carbon atoms, and m=0, 1 or 2, Z is CH or N or Z is C and —CHR3— is ?CH— linked by the double bond to cyclopentanone; or ?(?)m- is absent, and Z is NH, >N-alkyl, >N-phenyl, >N-benzyl or >N heteroaryl; R8 is alkyl, aryl or heteroaryl which can be optionally substituted; EWG represents an electron withdrawing group selected from the group comprising COOR, COSR, CONRR?, CN, COR, CF3, SOR, SO2R, SONRR?, SO2NRR?, NO2, halogen, heteroaryl; and the pharmaceutical salts and stereisomers thereof. The compounds of formula (I) are potent in the treatment of neurodegenerative diseases such as Alzheimer's disease.Type: ApplicationFiled: January 24, 2014Publication date: December 10, 2015Applicants: INSA (INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE ROUEN, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), UNIVERSITE DE ROUEN, VFP THERAPIESInventors: Francis MARSAIS, Vincent LEVACHER, Cyril PAPAMICAEL, Pierre BOHN, Ludovic PEAUGER, Vincent GEMBUS, Nicolas LE FUR, Marie-Laurence DUMARTIN-LEPINE
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Publication number: 20150344853Abstract: The present invention relates to a recombinant process for the production of truncated or mutated dextransucrases while conserving the enzymatic activity or their specificity in the synthesis of the ?-1,6 bonds. The present invention relates to nucleic acid sequences of truncated or mutated dextransucrases, vectors containing the nucleic acid sequences and host cells transformed by sequences encoding truncated or mutated dextransucrases. In another aspect, the invention concerns a method for producing, in a recombinant manner, truncated or mutated dextransucrases which conserve their enzymatic activity or which conserve their specificity in the synthesis of ?-1,6 bonds and can produce, from saccharose, dextrans with high molar mass and modified rheological properties compared with the properties of dextran obtained with the native enzyme and isomalto-oligosaccharides with a controlled molar mass and dextrans.Type: ApplicationFiled: July 14, 2015Publication date: December 3, 2015Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, INSTITUT NATIONAL DE RECHERCHE AGRONOMIQUE, INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE TOULOUSEInventors: Pierre F. MONSAN, Magali REMAUD-SIMEON, Gabrielle POTOCKI-VERONESE, Claire MOULIS
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Publication number: 20150349084Abstract: The invention concerns a method for producing a field effect transistor having a trench gate comprising:—the forming (110) of at least one trench (11, 12, 13) in a semi-conductive substrate (1) having a first type of conductivity, said substrate comprising two opposing faces called front face and rear face,—the primary implantation (120) of ions having a second type of conducitivity so as to implant each trench of the substrate to form an active gate area,—the depositing (160) of a layer of polycrystalline silicon having the second type of conductivity on the implanted active gate area,—the oxidation (160) of the layer of polycrystalline silicon, and—the metallisation (180) of the substrate on the front and rear faces of same in order to form active source and drain areas.Type: ApplicationFiled: September 5, 2012Publication date: December 3, 2015Applicants: Institut National des Sciences Appliquees de Lyon, Université Claude Bernard Lyon 1, Centre National de la Recherche Scientifique (CNRS, Ecole Centrale De Lyon, Consejo Superior De Investigaciones Cientificas (CSIC)Inventors: Dominique TOURNIER, Florian CHEVALIER, Philippe GODIGNON, José MILLAN
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Patent number: 9199931Abstract: The present invention relates to novel pyrrolidine derivatives of formula (I): wherein R1, R2, R3, R4, R5 and X are as defined in claim 1, optionally in a zwitterionic form, in the form of a pure optical isomer, or in the form of a mixture of optical isomers in any proportions, or in a form enriched with an optical isomer, as well as their pharmaceutically acceptable salts, solvates or hydrates, and pharmaceutical compositions containing such compounds. These compounds are notably useful for treating, in particular in human beings, epilepsy, ischemia, neurodegenerative diseases such as Parkinson's disease or Huntington's chorea, multiple sclerosis, Devic's disease, Alzheimer's disease, psychiatric diseases such as schizophrenia, depression, addiction, allodynia and hyperalgia.Type: GrantFiled: June 28, 2013Date of Patent: December 1, 2015Assignees: UNIVERSITE CLAUDE BERNARD LYON I, INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE LYON, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, CPE LYON FCRInventors: Jean-Pierre Praly, Kaiss Aouadi, Samy Cecioni, Luc Denoroy, Sandrine Parrot
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Patent number: 9127139Abstract: Process for labelling a material based on at least one organic thermoplastic or thermosetting polymer matrix comprising a step that consists in incorporating therein, by dispersion during its manufacture or its formation, at least one compound based on at least one photoluminescent rare earth in a concentration that renders this compound detectable under UV irradiation, said compound being a coordination polymer that is in the form of a crystallite obtained by reaction of at least one photoluminescent rare-earth ion with at least one unsaturated organic ligand.Type: GrantFiled: June 4, 2008Date of Patent: September 8, 2015Assignee: INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE RENNESInventors: Olivier Guillou, Carole Daiguebonne, Nicolas Kerbellec