Patents Assigned to INSTITUT POLYTECHNIQUE DE BORDEAUX
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Patent number: 10340942Abstract: An analog signals generating device comprises a current pump controlled by a control code generated by a module for calculating the digital code with shaping of noise. The calculation module receives as input a digital signal representative of the analog signal to be generated and comprises at least one quantizer and a quantization error compensating stage. The current pump comprises two groups of at least one electric current generator and two groups of at least one switching means, the switching facilities being controlled by the control signal and causing the electric currents to flow between the electric current generators and the inputs of a differential amplifier exhibiting a predominantly capacitive input impedance and connected in series between the two groups of switching means.Type: GrantFiled: October 10, 2016Date of Patent: July 2, 2019Assignees: THALES, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Patrick Garrec, Richard Montigny, François Rivet, Yann Deval, Yoan Veyrac
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Patent number: 10308724Abstract: The subject matter of the invention is dextrans which have between 95% and 99% of ?-1,6 glucosidic bonds, a weight-average molar mass Mw at least equal to 0.7×109 g.mol?1, and a dispersity index D of between 1.3 and 3. The invention also relates to a dextran saccharase which makes it possible to produce such dextrans, and to a method for producing said dextrans.Type: GrantFiled: June 19, 2015Date of Patent: June 4, 2019Assignees: INSTITUT NATIONAL DES SCIENCES APPLIQUEES TOULOUSE, INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUXInventors: Marlène Vuillemin, Marion Claverie, Claire Moulis, Magali Remaud-Simeon, Florent Grimaud, Pierre Monsan, Agnès Sabate, Catherine Garnier, Marguerite Dols-Lafargue, Patrick Lucas
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Patent number: 10248004Abstract: A method for the inscription of second-order nonlinear optical properties on a support including an amorphous material, the method including: heating the support within a temperature range allowing the movement of charges inside the support; applying a structured electrode to the support, generating an electrical field designed to induce the formation of non-linear optical properties on the surface of the support; and cooling the support.Type: GrantFiled: May 4, 2016Date of Patent: April 2, 2019Assignees: UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS)Inventors: Marc Gaston Joseph Henri Dussauze, Evelyne Claude Fargin, Vincent Jean Paul Rodriguez, Thierry Cardinal, Frédéric Robert Adamietz
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Patent number: 10209162Abstract: The detecting means (1) comprise measuring means (2) adapted to measure and provide at least one raw data corresponding to an aircraft parameter, computing means (3) adapted to estimate at least one derivative of said raw data, and detecting means (4) adapted to detect a failure with the aid of said derivative, said computing means (3) being adapted to estimate said derivative by differentiation.Type: GrantFiled: June 17, 2014Date of Patent: February 19, 2019Assignees: Airbus Operations (S.A.S.), Institut Polytechnique De Bordeaux, Centre National De La Recherche Scientifique, Universite De BordequxInventors: Anca Gheorghe, Philippe Goupil, Rémy Dayre, Ali Zolghadri, Jérôme Cieslak, Denis Efimov
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Patent number: 10199634Abstract: A method of preparing an amorphous film of lithiated metal sulfide or oxysulfide of formula Li?M(O1-?S?)? using a lithiated target material: M being advantageously selected from the group comprising Al, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ge, Zr, Nb, Mo, Ag, Cd, In, Sn, Sb, Ta, W, Pb, Bi, and mixtures thereof; and ??0.5; 1????; 2??/???.Type: GrantFiled: June 12, 2014Date of Patent: February 5, 2019Assignees: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, INSTITUT POLYTECHNIQUE DE BORDEAUXInventors: Frederic Le Cras, Vincent Dubois, Delphine Guy-Bouyssou, Brigitte Pecquenard
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Patent number: 10199135Abstract: The invention relates to stable compositions of carbon nanotubes and of electrolytic polymers, these electrolytic polymers being characterized by the presence of phosphonyl imide or sulfonyl imide functions or alternatively phosphoric acid functions. The invention also relates to the manufacture of transparent electrodes comprising these compositions of carbon nanotubes and of electrolytic polymers.Type: GrantFiled: October 29, 2014Date of Patent: February 5, 2019Assignees: ARKEMA FRANCE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUXInventors: Christophe Navarro, Wiljan Smaal, Muhammad Mumtaz, Eric Cloutet, Cyril Brochon, Georges Hadziioannou
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Patent number: 10119204Abstract: Some embodiments are directed to a method and a device that allows fragile fibers, such as carbon fibers, for example, to be recycled so that they can be reused in a new form.Type: GrantFiled: October 30, 2015Date of Patent: November 6, 2018Assignees: UNIVERSITË DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Olivier Mantaux, Arnaud Gillet, Matthieu Pedros
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Publication number: 20180312930Abstract: A method for analyzing a liquid sample, such as wine, in order to detect the possible presence of sulphite-resistant yeasts of the Brettanomyces bruxellensis species. The method includes detecting whether yeasts of the Brettanomyces bruxellensis species belonging to the genetic group of triploid oenological yeasts are found in the sample. If such yeasts are detected, then the sample is deduced to contain sulphite-resistant yeasts of the Brettanomyces bruxellensis species.Type: ApplicationFiled: October 19, 2016Publication date: November 1, 2018Applicants: UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, ECOLE NATIONALE SUPERIEURE DES SCIENCES AGRONOMIQUES DE BORDEAUX AQUITAINE BORDEAUX SCIENCInventors: WARREN ALBERTIN, ISABELLE MASNEUF-POMAREDE, EMILIEN PELTIER
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Publication number: 20180312629Abstract: The present invention relates to a compound that may be obtained according to a method comprising at least one polymerization step of at least one monomer of formula (I) below: wherein the polymerization step is carried out in the presence of a catalyst selected from the group consisting of: Zn(OAc)2, Ti(OBu)4, Ti(OiPr)4, Sb2O3, stannous octanoate, dibutyltin oxide, 7-methyl-1,5,7-triazabicyclo[4.4.0]dec-5-ene, NaOMe, 1,5,7-triazabicyclo[4.4.0]dec-5-ene and Lipase B Candida Antartica.Type: ApplicationFiled: October 28, 2016Publication date: November 1, 2018Applicants: PIVERT, UNIVERSITÉ DE BORDEAUX, INSTITUT DES CORPS GRAS ETUDES ET RECHERCHES TECHN IQUES - ITERG, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Blandine TESTUD, Etienne GRAU, Daniel TATON, Henri CRAMAIL, Didier PINTORI
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Patent number: 10087281Abstract: A polymer is provided having at least one repetitive unit represented by the following formula: And, preferably at least one, preferably at least two, repetitive units represented by the following formula:Type: GrantFiled: October 16, 2015Date of Patent: October 2, 2018Assignees: Pivert, Université de Bordeaux, Institut Des Corps Gras Etudes ET Recherches Techniques—ITERG, Institut Polytechnique de Bordeaux, Centre National de la Recherche ScientifiqueInventors: Henri Cramail, Etienne Grau, Blandine Testud, Daniel Taton, Didier Pintori
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Patent number: 10059731Abstract: A method for depolymerization of lignin includes oxidizing non-phenolic lignin by putting into presence, in at least one solvent, non-phenolic lignin, laccase, redox mediator and a source of oxygen, whereby a mixture including oxidized non-phenolic lignin is obtained, and further includes depolymerization of the oxidized non-phenolic lignin thereby obtained, by adding an oxidizer. The non-phenolic lignin is obtained from phenolic lignin by functionalization of phenol functions of the phenolic lignin.Type: GrantFiled: November 26, 2014Date of Patent: August 28, 2018Assignees: Institut Polytechnique de Bordeaux, Université de Bordeaux, Centre national de la recherche scientifiqueInventors: Stéphane Grelier, Georges Koumba Yoya
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Patent number: 10053540Abstract: The present invention concerns the use of a compound having the following formula (I), for the preparation of a polymer. The present invention also concerns the polymers obtained from polymerization of compound of formula (I), and their processes of preparation.Type: GrantFiled: October 10, 2015Date of Patent: August 21, 2018Assignees: UNIVERSITÉ DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S)Inventors: Stéphane Grelier, Henri Cramail, Audrey Llevot, Stéphane Carlotti, Etienne Grau
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Patent number: 10047171Abstract: The present invention concerns a compound of formula (I): wherein: —n is an integer comprised between 1 and 7; —X1 is in particular a radical of formula —CH2—S—(CH2)k—S—; —A1 is in particular a linear or branched alkylene radical comprising from 2 to 30 carbon atoms, and —X2 is in particular an alkoxy group of formula ORa, wherein Ra is a linear or branched alkyl group comprising from 1 to 10 carbon atoms.Type: GrantFiled: December 16, 2015Date of Patent: August 14, 2018Assignees: UNIVERSITÉ DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, INSTITUT DES CORPS GRAS ETUDES ET RECHERCHES TECHNIQUES-ITERG, INSTITUT POLYTECHNIQUE DE BORDEAUX, INSTITUT TECHNOLOGIQUE FCBAInventors: Henri Cramail, Stéphane Jean-Pierre Albert Grelier, Frédérique Pichavant, Denilson Da Silva Perez, Carine Alfos, Maud Suzanne Chemin
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Patent number: 10036781Abstract: A method for assessing the health of a lithium battery comprising: a first step of recharging the battery at constant current, until the voltage at its terminals reaches a limit value; a second step of recharging the battery at constant voltage equal to the limit value, until the charging current drops below a threshold value, a plurality of measurements of the charging current being acquired during the second recharging step; and a step of estimating the state of health of the battery from at least one parameter of the second step of recharging at constant voltage, such as the parameter expressing the decrease of an exponential function interpolating charging current measurements, the energy supplied to the battery during the second step of recharging at constant voltage or the duration of the step of charging at constant voltage. A battery management system comprising an apparatus for implementing the method is provided.Type: GrantFiled: October 1, 2014Date of Patent: July 31, 2018Assignees: Centre National de la Recherche Scientifique, Universite de Bordeaux, Institut Polytechnique de BordeauxInventors: Jean-Michel Vinassa, Akram Eddahech, Olivier Briat
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Publication number: 20180173094Abstract: The invention relates to a process for controlling the surface energy at the upper interface of a block copolymer (BCP1), the lower interface of which is in contact with a preneutralized surface of a substrate, in order to make it possible to obtain an orientation of the nanodomains of the block copolymer (BCP1) perpendicularly to the two lower and upper interfaces, the said process consisting in covering the upper surface of the block copolymer (BCP1) with an upper surface neutralization layer (TC) and being characterized in that the said upper surface neutralization layer (TC) comprises a second block copolymer (BCP2).Type: ApplicationFiled: May 26, 2016Publication date: June 21, 2018Applicants: ARKEMA FRANCE, CENTER NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), INSTITUT POLYTECHNIQUE DE BORDEAUX, UNIVERSITE DE BORDEAUXInventors: Xavier CHEVALIER, Celia NICOLET, Christophe NAVARRO, Georges HADZIIOANNOU
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Publication number: 20180171134Abstract: The invention relates to a process for reducing the defectivity of a block copolymer (BCP1) film, the lower surface of which is in contact with a preneutralized surface (N) of a substrate (S) and the upper surface of which is covered by an upper surface neutralization layer (TC) in order to make it possible to obtain an orientation of the nanodomains of the block copolymer (BCP1) perpendicularly to the two lower and upper interfaces, where the upper surface neutralization layer (TC) employed to cover the upper surface of the block copolymer (BCP1) film comprises a second block copolymer (BCP2).Type: ApplicationFiled: May 26, 2016Publication date: June 21, 2018Applicants: ARKEMA FRANCE, INSTITUT POLYTECHNIQUE DE BORDEAUX, UNIVERSITE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS)Inventors: Xavier Chevalier, Celia NICOLET, Christophe NAVARRO, Georges HADZIIOANNOU
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Publication number: 20180149592Abstract: The present disclosure provides a portable device for controlling an alcoholic beverage that includes a single light source emitting a monochromatic excitation light beam of a wavelength between 350 and 650 nanometers, a beam splitter to reflect the light beam, a focus and collection lens, and a positioning device to orient the light beam along a direction substantially normal to an outer surface of the container. The positioning device positions the outer surface of the container at a predetermined distance from the focus lens. The device includes a filtering device for filtering fluorescence radiation captured by the focus lens to eliminate wavelengths shorter than or equal to the wavelength of the light beam. A spectrometer module produces a signal corresponding to the measured spectrum of the fluorescence radiation and an analysis module compares the measured spectrum to a reference spectrum.Type: ApplicationFiled: January 31, 2018Publication date: May 31, 2018Applicants: Pernod Ricard, CNRS - Direction de l'Innovation et des Relations avec les Entreprises (DIRE), UNIVERSITE DE BORDEAUX, Institut Polytechnique de BordeauxInventors: Pascal Brunerie, Katia Gouret, Benoit Fil, Stephane Verger, Jean-Luc Bruneel, Francois Guillaume, Caroline Bruneel Delhaye
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Patent number: 9952060Abstract: A method for the real-time estimation of the total consumption of a fluid, in particular water or gas, distributed from a unit (A) to users (b1, b2 . . . ) via a network of supply pipes (E) with a branch (d1, d2 . . . ), for each user, fitted with a counter (c1, c2 . . . ) of the fluid consumed by the user, which method involves defining cohorts of users having homogeneous behavior with regard to the consumption of fluid; defining, for at least one of these cohorts, a sample of users from the cohort that is statistically sufficient to represent the cohort; fitting only the branches of the users of each sample with a remote reading device (t1, t2, . . . ) for reading the consumption; also fitting remote reading devices to the branches of the users of the other cohorts that have not been sampled; and processing the information provided by the remote reading devices to obtain a real-time value representative of the total consumption of the network.Type: GrantFiled: October 16, 2012Date of Patent: April 24, 2018Assignees: LYONNAISE DES EAUX FRANCE, UNIVERSITE DE BORDEAUX 1, UNIVERSITE DE BORDEAUX SEGALEN, INSTITUT POLYTECHNIQUE DE BORDEAUX 1, INRIA, IRSTEAInventors: Karim Claudio, Vincent Couallier, Yves Legat, Jérôme Saracco
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Patent number: 9926288Abstract: A compound is of formula (I): in which A1 and A1? are independently from each other a linear or branched alkylene radical including from 1 to 20 carbon atom(s); A2 is in particular a linear or branched alkylene radical including from 1 to 200 carbon atom(s); A3 is H or a linear or branched alkyl radical including from 1 to 15 carbon atom(s) and R1 and R1? are independently from each other H or a linear or branched alkyl radical comprising from 1 to 20 carbon atom(s). The compounds of formula (I) can be used in particular for the preparation of poly(hydroxyurethane)s and epoxy resins.Type: GrantFiled: December 16, 2014Date of Patent: March 27, 2018Assignees: UNIVERSITÉ DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S), INSTITUT DES CORPS GRAS ETUDES ET RECHERCHES TECHNIQUES—ITERGInventors: Henri Cramail, Etienne Grau, Carine Alfos, Lise Maisonneuve
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Patent number: 9890241Abstract: The invention relates to a process for synthesizing poly(3,4-ethylenedioxythiophene)-electrolytic (co)polymer composite in a single step.Type: GrantFiled: October 29, 2014Date of Patent: February 13, 2018Assignees: Arkema France, Centre National De La Recherche Scientifique, Universite De Bordeaux, Institut Polytechnique De BordeauxInventors: Christophe Navarro, Usein Ismailov, Muhammad Mumtaz, Eric Cloutet, Cyril Brochon, Georges Hadziioannou