Patents Assigned to INSTITUT POLYTECHNIQUE DE BORDEAUX
-
Patent number: 12362498Abstract: This elementary antenna includes a cavity delimited by front and rear faces and side walls, the front face being provided with first and second slots arranged in a cross, so that, when the cavity operates in a TE210 mode, a wave polarized perpendicularly to the first slot is emitted and when the cavity operates in a TE120 mode, a wave polarized perpendicularly to the second slot is emitted. This elementary antenna is characterized in that the rear face is brought to a reference electric potential, and in that the elementary antenna includes an excitation device, such as a metallized via, capable of exciting the front face through the cavity, the excitation device exciting the front face at a plurality of excitation points, distributed over the front face and presenting a common predefined impedance.Type: GrantFiled: September 2, 2022Date of Patent: July 15, 2025Assignees: THALES, UNIVERSITÉ DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Timothée Le Gall, Anthony Ghiotto, Gwenaël Morvan, Stefan Varault, Bruno Louis
-
Patent number: 12362487Abstract: The elementary antenna 1 includes: two cross-shaped slots 32, 33 defining four half-slots; for each half-slot, excitation striplines 41, 42, the first stripline 41 being connected to a first via 61 and the second stripline 42 being connected to a second via 62; an integrated circuit 70 delivering a plurality of ports; for each half-slot, tracks for feeding the strips, the first track 51 running from a first port 71 to the first via 61 and the second track 52 running from a second port 72 to the second via 62, the first and second ports being two successive ports of the integrated circuit, differentially connected to a transmitter/receiver channel by first and second power lines situated inside the integrated circuit, the lines and tracks running so that there is no crossing of the respective routes thereof.Type: GrantFiled: July 6, 2023Date of Patent: July 15, 2025Assignees: THALES, UNIVERSITÉ DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: TimothéE Le Gall, Anthony Ghiotto, GwenaëL Morvan, Stefan Varault, Bruno Louis, Grégoire Pillet
-
Patent number: 12338181Abstract: A method for treating at least one silicon carbide fibre includes a surface layer including carbon and/or a silicon oxycarbide, the treatment including at least removing the surface layer from the fibre by placing in contact with an ammonia phase in the supercritical state.Type: GrantFiled: June 20, 2022Date of Patent: June 24, 2025Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUXInventors: Adrien Delcamp, Marie Lefebvre, Cyril Aymonier, Nicolas Biscay
-
Publication number: 20250197541Abstract: A method for preparing copolymers, preferably degradable or biodegradable copolymers, from thionolactides. More particularly, a method for preparing copolymers, preferably degradable copolymers, by ring-opening radical polymerisation, employing in particular at least one thiolactide monomer. Also, the copolymers, preferably degradable copolymers, obtained by implementing this method, to the use of the thionolactide monomer as a precursor monomer in a radical polymerisation, and to specific thionolactides.Type: ApplicationFiled: March 16, 2023Publication date: June 19, 2025Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE TOULOUSE III - PAUL SABATIER, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUXInventors: Oleksandr IVANCHENKO, Simon HARRISSON, Mathias DESTARAC, Stéphane MAZIERES
-
Publication number: 20250170299Abstract: A composition for the adhesion of biological tissues to one another, for the adhesion of a material to a biological tissue, for the adhesion of an adhesive or of a substance to the surface of a biological tissue, for blocking an orifice in a biological tissue, for reinforcing a biological tissue and/or for fixing and stabilising a biological tissue, characterized in that it comprises a monomer that is polymerisable under the effect of ultraviolet (UV) or near visible radiation and in that the viscosity of said composition is less than 40 mPa·s at 20° C.Type: ApplicationFiled: January 27, 2025Publication date: May 29, 2025Applicants: COHESIVES, UNIVERSITE DE PAU ET DU PAYS DE L’ADOUR, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Bertrand PERRIN, Christophe DERAIL, Laetitia BADIE, Eric PAPON
-
Patent number: 12270842Abstract: In an embodiment method for detecting the phase of an analog signal via a hybrid coupler operating in a power-combiner mode, the hybrid coupler comprises a first input intended to receive the analog signal, a second input intended to receive a reference signal having a reference phase and the same frequency as the analog signal, and two outputs, and is configured to generate, at these two outputs, a first output signal and a second output signal, respectively. The embodiment method comprises measuring peak values of the analog signal, of the reference signal, and of at least one of the first and second output signals, calculating the phase shift between the phase of the analog signal and the reference phase depending on the measured peak values, and determining the phase of the analog signal depending on the calculated phase shift and the reference phase.Type: GrantFiled: January 22, 2019Date of Patent: April 8, 2025Assignees: STMicroelectronics France, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUXInventors: Vincent Knopik, Jeremie Forest, Eric Kerherve
-
Patent number: 12269185Abstract: The invention relates to a method for determining components of a mechanical action torsor at the guiding point of a cutting blade (L) for a cutting machine, the blade being guided in a presser foot (P) of a cutting head of the machine, the method comprising the positioning of a five-component dynamometer on the presser foot, the dynamometer comprising a plurality of sensors for determining a frontal force, a lateral force, a rolling moment, a pitching moment and a yawing moment of the cutting blade, the establishment of a calibration matrix of the dynamometer, and the determination of the forces in three dimensions to which the cutting blade is subjected, on the basis of the measurements obtained by the sensors and the calibration matrix.Type: GrantFiled: March 23, 2021Date of Patent: April 8, 2025Assignees: LECTRA, AMVALOR, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, ECOLE NATIONALE SUPERIEURE D'ARTS ET METIERS (ENSAM)Inventors: Didier Chabirand-Garconnet, Olivier Cahuc, Quentin Cosson-Coche, Philippe Darnis, Raynald Laheurte, Denis Teissandier
-
Publication number: 20250112250Abstract: A component for a solid-oxide electrolyte fuel cell or electrolyser provided with an anticorrosion coating, as well as such a solid-oxide electrolyte fuel cell or electrolyser, the component including an electrically conductive substrate, and an anticorrosion coating deposited on at least one surface of the substrate, the anticorrosion coating including at least one main tantalum-nitride-based layer doped with one or more dopant elements chosen from the family of the transition metals or lanthanides.Type: ApplicationFiled: January 17, 2023Publication date: April 3, 2025Applicants: SAFRAN, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUXInventors: Marjorie Christine CAVARROC, Angéline Nadine Jeanne POULON, Fabrice Claude Michel MAUVY, Aurélie Corinne ACHILLE, Dominique Paul Abel MICHAU, Sébastien FOURCADE
-
Publication number: 20250105310Abstract: A component for an acid electrolyte fuel cell or electrolyser provided with an anticorrosion coating, as well as such an acid electrolyte fuel cell or electrolyser, the component including an electrically conductive substrate, and an anticorrosion coating deposited on at least one surface of the substrate, the anticorrosion coating including at least one main tantalum-nitride-based layer doped with one or more dopant elements chosen from the family of the transition metals or lanthanides.Type: ApplicationFiled: January 17, 2023Publication date: March 27, 2025Applicants: SAFRAN, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUXInventors: Marjorie Christine CAVARROC, Fabrice Claude Michel MAUVY, Angéline Nadine Jeanne POULON, Aurélie Corinne ACHILLE, Dominique Paul Abel MICHAU, Sébastien FOURCADE
-
Patent number: 12239759Abstract: A composition for the adhesion of biological tissues to one another, for the adhesion of a material to a biological tissue, for the adhesion of an adhesive or of a substance to the surface of a biological tissue, for blocking an orifice in a biological tissue, for reinforcing a biological tissue and/or for fixing and stabilising a biological tissue. A monomer that is polymerisable under the effect of ultraviolet (UV) radiation and in that the viscosity of said composition is less than 10 mPa·s at 20° C.Type: GrantFiled: December 27, 2021Date of Patent: March 4, 2025Assignees: COHESIVES, UNIVERSITE DE PAU ET DU PAYS DE L'ADOUR, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Bertrand Perrin, Christophe Derail, Laetitia Badie, Eric Papon
-
Patent number: 12220743Abstract: Equipment for selectively depositing, by shockwave-induced spraying, at least one particle on a deposition surface of a receiver substrate. The equipment including at least one laser source that emits a laser beam, a substrate carrier to which the substrate is fastened, a shockwave-generating layer having a first surface oriented toward the laser beam and a second surface oriented toward the deposition surface of the substrate, an optical system for directing and focusing the laser beam toward a focal region of the first surface. The second surface including a plurality of cavities, each cavity housing at least one particle. The laser beam generates a plasma in the focal region on the first surface and a shockwave that propagates within the generating layer from the first surface to the second surface in order to spray at least one particle in the direction of the deposition surface of the substrate.Type: GrantFiled: October 27, 2020Date of Patent: February 11, 2025Assignees: UNIVERSITE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE—CNRS, ECOLE NATIONALE SUPERIEURE D'ARTS ET METIERS, INSTITUT POLYTECHNIQUE DE BORDEAUXInventor: Robin Kromer
-
Patent number: 12134691Abstract: The invention relates to a copolymer comprising units derived from monomers of vinylidene fluoride and/or trifluoroethylene, as well as fluorinated monomers X comprising a double bond and a leaving group selected from among chlorine, bromine and iodine atoms, the leaving groups being partially replaced by azide groups in the copolymer.Type: GrantFiled: July 16, 2018Date of Patent: November 5, 2024Assignees: ARKEMA FRANCE, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Georges Hadziioannou, Eric Cloutet, Cyril Brochon, Damien Thuau, Konstantinos Kallitsis, Fabrice Domingues Dos Santos, Thibaut Soulestin
-
Patent number: 12115257Abstract: The invention relates to a process for the manufacture of a tablet comprising a nucleic acid vector.Type: GrantFiled: May 9, 2018Date of Patent: October 15, 2024Assignees: UNIVERSITÉ DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, INSTITUT POLYTECHNIQUE DE BORDEAUX, ECOLE NATIONALE SUPERIEURE D'ARTS ET METIERS, UNIVERSITÉ PARIS CITÉ, PARIS SCIENCES ET LETTRES, INSTITUT NATIONAL DE LA SANTÉ ET DE LA RECHERCHE MÉDICALEInventors: Virginie Busignies-Goddin, Pascal Bigey, Christine Charrueau, Virginie Escriou, Pierre Tchoreloff
-
Patent number: 12098217Abstract: The present invention relates to a fusion peptide having one of the following formulae: P1-L-P2 (I) or P2-L-P1 (II) wherein P1 is chosen from the proline-rich antimicrobial peptides; Lisa peptide linker; and P2 has the following formula (III): wherein m is 0 or 1; n is an integer comprised between 0 and 9; p is an integer comprised between 0 and 10; r is 0, 1 or 2; s is 0 or 1; Gln is glutamine; R1 is the side chain of arginine or lysine; R2 is for example a —(CH2)—C3-6-cycloalkyl group optionally substituted; R3 is for example a C1-8-alkyl group; R4 is in particular a C1-8-alkyl group optionally substituted by a C3-6-cycloalkyl group; R5 is for example a —(CH2)—C3-6-cycloalkyl group; R6 is in particular —COOH, wherein, when the fusion peptide has the formula (II), its C-terminus contains a —CO— group engaged in a peptide bond with said linker.Type: GrantFiled: January 17, 2020Date of Patent: September 24, 2024Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITÉ DE STRASBOURG, INSTITUT POLYTECHNIQUE DE BORDEAUX, UNIVERSITÉ DE BORDEAUXInventors: Dominique Burnouf, Gilles Guichard, Jerôme Wagner
-
Patent number: 12084488Abstract: The present invention concerns a block copolymer having at least one oligo- or polysaccharide block and at least one elastin-like polypeptide block, wherein said block copolymer comprises at least one repetitive unit having the following formula (I): wherein R? is the side chain of a natural or synthetic amino acid other than proline and derivatives thereof.Type: GrantFiled: September 25, 2019Date of Patent: September 10, 2024Assignees: INSTITUT POLYTECHNIQUE DE BORDEAUX, Centre national de la recherche scientifique, UNIVERSITÉ DE BORDEAUXInventors: Sébastien Lecommandoux, Elisabeth Garanger, Xiao Ye
-
Patent number: 11992268Abstract: A method for determining a stereotactic brain target includes at least one target point, the method comprising the following steps: selecting patients for whom the result measured following treatment at at least one target point is greater than or equal to a threshold, postoperative imaging having been performed for each of the patients; processing the postoperative imaging so as to determine coordinates of the at least one target point; selecting brain marker points; processing the postoperative imaging so as to determine coordinates of the marker points; creating a learning database comprising the coordinates of the target points and the coordinates of the marker points determined for all of the selected patients; determining a prediction function giving the coordinates of at least one target point according to the coordinates of the marker points by using the learning database and a supervised statistical learning method; processing preoperative imaging of a new patient to be treated so as to determine cooType: GrantFiled: November 18, 2019Date of Patent: May 28, 2024Assignees: UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE HOSPITALIER UNIVERSITAIRE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, INSTITUT NATIONAL DE RECHERCHE EN INFORMATIQUE ET EN AUTOMATIQUE (INRIA)Inventors: Julien Engelhardt, Nejib Zemzemi, Emmanuel Cuny
-
Patent number: 11876002Abstract: A method for interconnecting components of an electronic system includes depositing a sintering solution onto a first component to form an interconnection layer, the sintering solution comprising a solvent, metal nanoparticles dispersed in the solvent, and a stabilizing agent adsorbed onto the nanoparticles. More than 95.0%, preferably more than 99.0% of the mass of the nanoparticles include a metal selected from silver, gold, copper and alloys thereof and have a polyhedral shape with an aspect ratio greater than 0.8. The method also includes eliminating, at least partially, the solvent from the layer to form an ordered agglomerate in which the nanoparticles are regularly disposed in three axes, the stabilizing agent binding them together and maintaining at least a portion of the nanoparticles at a distance from each other, debinding and sintering the layer, and depositing a second component in contact with the layer before or during debinding or sintering.Type: GrantFiled: September 2, 2021Date of Patent: January 16, 2024Assignees: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUXInventors: Maxime Bronchy, Etienne Duguet, Céline Feautrier, Mona Treguer-Delapierre
-
Patent number: 11871650Abstract: The invention relates to a composition comprising a blend of fluorinated electroactive polymers and having a dielectric permittivity that exhibits greater stability over the operating temperature range with respect to each polymer employed on its own. The invention also relates to formulations and films produced on the basis of said composition. The invention also relates to a field-effect transistor, at least part of the dielectric layer of which is composed of a blend of fluorinated electroactive polymers.Type: GrantFiled: August 7, 2018Date of Patent: January 9, 2024Assignees: ARKEMA FRANCE, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Fabrice Domingues Dos Santos, Thibaut Soulestin, Damien Thuau, Georges Hadziioannou
-
Publication number: 20230193560Abstract: A method for obtaining a fibrous preparation for manufacturing a paper having significant water repellency and opacity in the dry or wet state. Fibres are suspended in water; calcium salts are added to the fibres; a source of carbonate salts in the form of an aqueous solution are added and the resulting mixture is stirred for a time sufficient to allow calcium carbonate particles to be precipitated. A solution of fatty acid salts heated to a temperature which corresponds to the micellisation temperature of said fatty acid salts is added and takes into account the critical micellar concentration of the fatty acid salts. The mixture is stirred thus obtained for a time sufficient to allow the fatty acids to be absorbed at the surface of the calcium carbonate particles and to obtain the desired fibrous preparation.Type: ApplicationFiled: March 27, 2021Publication date: June 22, 2023Applicants: PAPETERIE ZUBER RIEDER, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUXInventors: Erwan LE GOUE, Véronique COMA, Stéphane GRELIER, Frédérique HAM-PICHAVANT
-
Patent number: 11641217Abstract: In an embodiment method, a hybrid coupler comprises a first input receiving an analog signal, a second input receiving an additional analog signal phase shifted by 90° from the analog signal, and first and second outputs. The method comprises injecting into the second output a test signal having an initial test phase, iteratively generating a current test phase for the test signal, from the initial test phase to a final test phase equal to the initial test phase increased by at least one portion of one complete revolution, and, in each iteration, measuring the current peak value of the first output, and storing the current test phase and the current peak value as a maximum/minimum peak value if there is not a stored maximum/minimum peak value higher/lower than the current peak value, respectively, and determining a phase of the analog signal from the stored test phase.Type: GrantFiled: January 22, 2019Date of Patent: May 2, 2023Assignees: STMICROELECTRONICS SA, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, INSTITUT POLYTECHNIQUE DE BORDEAUX, UNIVERSITE DE BORDEAUXInventors: Jeremie Forest, Vincent Knopik, Eric Kerherve