Patents by Inventor Caroline Celle
Caroline Celle has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11600404Abstract: An electric cable has at least one elongated electrical conductor (1), at least one electrically insulating layer (2) surrounding the elongated electrical conductor (1), and at least one metal layer (3) surrounding electrically insulating layer (2). The metal layer (3) has metal nanowires.Type: GrantFiled: June 20, 2017Date of Patent: March 7, 2023Assignee: NEXANSInventors: Nicolas Rousselet, Thierry Malvache, Jean-Pierre Simonato, Caroline Celle, Sonia Desousanobre, Sakina Yahiaoui, Florence Masse, Lucie Ordronneau
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Publication number: 20220347748Abstract: The present invention relates to a process for purifying metal nanowires, comprising at least the following steps: (i) providing a suspension of metal nano-objects in a hydroalcoholic solvent medium having a viscosity at 25° C. strictly less than 10 mPa·s, the metal nano-objects including fine nanowires and additional nanoparticles different from the fine nanowires; (ii) adding, to the metal nano-object suspension, metalloid or metal oxide nanoparticles having a diameter less than or equal to 50% of the average diameter of the nanowires; (iii) allowing the suspension of metal nano-objects with the added metalloid or metal oxide nanoparticles to settle under conditions conducive to the precipitation of the fine metal nanowires; and (iv) recovering the settled solids made from the fine metal nanowires.Type: ApplicationFiled: June 26, 2020Publication date: November 3, 2022Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Jean-Pierre SIMONATO, Caroline CELLE, Bruno LAGUITTON
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Publication number: 20200312486Abstract: The present invention relates to an electric cable comprising: at least one elongated electrical conductor (1), at least one electrically insulating layer (2) surrounding said elongated electrical conductor (1), at least one metal layer (3) surrounding said electrically insulating layer (2), characterized in that the metal layer (3) comprises metal nanowires.Type: ApplicationFiled: June 20, 2017Publication date: October 1, 2020Inventors: Nicolas ROUSSELET, Thierry MALVACHE, Jean-Pierre SIMONATO, Caroline CELLE, Sonia DESOUSANOBRE, Sakina YAHIAOUI, Florence MASSE, Lucie ORDRONNEAU
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Patent number: 10576546Abstract: Isolating metal nanowires from a reaction mixture also containing ancillary inorganic particles distinct from the nanowires, includes: providing a mixture of metal nanowires with large particles having at least two dimensions 250 nm or more, and small particles of which the largest dimension is less than 200 nm, in the form of a dispersion in a solvent medium having a viscosity at 25° C. 10 mPa·s or more; leaving the mixture to settle out under conditions conducive to the formation of a supernatent phase including the small particles and of a precipitate comprising the metal nanowires and the large particles; isolating the precipitate, and dispersing the isolated precipitate in a solvent medium having a viscosity at 25° C. less than 10 mPa·s; leaving the suspension to settle out under conditions conducive to the precipitation of said large particles; and recovering the nanowires in the form of a dispersion in the supernatent phase.Type: GrantFiled: May 19, 2015Date of Patent: March 3, 2020Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Jean-Pierre Simonato, Caroline Celle, Tristan Lescouet, Céline Mayousse
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Publication number: 20180269559Abstract: A radome (4) intended for protecting an antenna capable of radiating and/or picking up radio waves in a given range of frequencies from 3 MHz to 300 GHz, the radome being provided with a heating system (10) which includes two electric contacts (14, 16) between which are arranged resistive heating elements (12) in the form of parallel strips spaced apart from one another and each having two ends respectively connected to the two electric contacts (14, 16), each of the strips (12) being made from a network of nanoelements comprising metal nanowires (18).Type: ApplicationFiled: September 8, 2016Publication date: September 20, 2018Inventors: Caroline Celle, Laurent Dussopt, Jean-Pierre Simonato
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Publication number: 20180235078Abstract: An electromagnetic shielding structure comprising successively: an electrically insulating layer of a first polymeric material, an electrically conductive shielding film comprising at least 90 mass % of metal nanowires, and a protective layer of a second polymeric material.Type: ApplicationFiled: February 12, 2018Publication date: August 16, 2018Inventors: Jean-Pierre Simonato, Caroline Celle
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Publication number: 20180014359Abstract: The present invention relates to a heating device comprising: a base substrate; an electrically conductive layer, referred to as the heating layer, carried by the substrate, formed from at least one percolating network of nano-objects comprising metal nanowires; and a thermal diffusion layer made from aluminum nitride, covering all or part of the heating layer. The invention also concerns a method for preparing such a heating device.Type: ApplicationFiled: January 27, 2016Publication date: January 11, 2018Inventors: Jean-Pierre SIMONATO, Alexandre CARELLA, Caroline CELLE, Abdou DJOUADI, Guillaume DROVAL, Sylvain SIM
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Publication number: 20170207405Abstract: The present disclosure relates to a multi-layer stack which is useful for forming a multi-junction organic photovoltaic cell, said stack including first and second active layers, and an intermediate p-type or n-type layer, inserted between said first and second active layers and in contact with at least one of the first and second active layers, said intermediate layer including a network of electrically conductive nanowires, said stack including an additional layer, inserted between the first active layer and the second active layer and directly in contact with the first active layer or the second active layer, the additional layer being P-type or N-type, separate from the one forming the intermediate layer.Type: ApplicationFiled: June 23, 2015Publication date: July 20, 2017Applicants: COMM. A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALT., UNIV DE CHAMBERY - UNIVERSITE SAVOIE MONT BLANCInventors: Tristan LESCOUET, Solenn BERSON, Caroline CELLE, Pierre-Balthazar LECHENE, Jean-Pierre SIMONATO
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Publication number: 20170120341Abstract: Isolating metal nanowires from a reaction mixture also containing ancillary inorganic particles distinct from the nanowires, includes: providing a mixture of metal nanowires with large particles having at least two dimensions 250 nm or more, and small particles of which the largest dimension is less than 200 nm, in the form of a dispersion in a solvent medium having a viscosity at 25° C. 10 mPa·s or more; leaving the mixture to settle out under conditions conducive to the formation of a supernatent phase including the small particles and of a precipitate comprising the metal nanowires and the large particles; isolating the precipitate, and dispersing the isolated precipitate in a solvent medium having a viscosity at 25° C. less than 10 mPa·s; leaving the suspension to settle out under conditions conducive to the precipitation of said large particles; and recovering the nanowires in the form of a dispersion in the supernatent phase.Type: ApplicationFiled: May 19, 2015Publication date: May 4, 2017Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Jean-Pierre SIMONATO, Caroline CELLE, Tristan LESCOUET, Céline MAYOUSSE
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Patent number: 9606378Abstract: The invention relates to a display screen and its manufacturing process. The display screen of the invention comprises: a substrate made of a plastic; at least one transparent heating element; and at least one thermochromic compound, and is characterized in that the at least one transparent heating element comprises at least one optionally functionalized metal nanowire. The invention in particular has applications in the electronics industry.Type: GrantFiled: February 14, 2013Date of Patent: March 28, 2017Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Jean-Pierre Simonato, Alexandre Carella, Caroline Celle
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Patent number: 9583540Abstract: The invention relates to an electronic device comprising at least two organic transistors having different threshold voltages. The device comprises at least two transistors, each including a self-assembled layer of molecules having dipole moments that differ from one another by an absolute value of between 0.2 and 10 debye. The invention is particularly suitable for use in the field of electronic circuit production.Type: GrantFiled: July 20, 2012Date of Patent: February 28, 2017Assignee: Commissariat a L'Energie Atomique et aux Energies AlternativesInventors: Jean-Pierre Simonato, Caroline Celle
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Publication number: 20160379792Abstract: A cathodoluminescent device, including a luminescent layer having a first side, called the front side, that is intended to receive incident electrons, the luminescent layer being suitable for absorbing incident electrons and for emitting light radiation in response, wherein the front side of the luminescent layer is coated with a layer including electrically conductive nanowires.Type: ApplicationFiled: June 24, 2016Publication date: December 29, 2016Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Gilles LE BLEVENNEC, Caroline Celle
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Patent number: 9422628Abstract: The invention relates to a process for improving the electrical and optical performance of a transparent electrically conductive material having silver nanowires. The invention also relates to a process for manufacturing a film made of a transparent electrically conductive material, such as a transparent electrode, a transparent heating film, or a film for electromagnetic shielding. The process of the invention includes the following steps: a) a step of bringing silver nanowires into contact with an acid solution, this solution having a pH lower than 7, preferably lower than 3; and b) a step of eliminating the acid. The field of application of the invention is in particular the field of optoelectronics.Type: GrantFiled: June 3, 2013Date of Patent: August 23, 2016Assignee: Commissariat a L'Energie Atomique et aux Energies AlternativesInventors: Jean-Pierre Simonato, Alexandre Carella, Caroline Celle
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Publication number: 20150286077Abstract: The invention relates to a display screen and its manufacturing process. The display screen of the invention comprises: a substrate made of a plastic; at least one transparent heating element; and at least one thermochromic compound, and is characterized in that the at least one transparent heating element comprises at least one optionally functionalized metal nanowire. The invention in particular has applications in the electronics industry.Type: ApplicationFiled: February 14, 2013Publication date: October 8, 2015Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENE ALTInventors: Jean-Pierre Simonato, Alexandre Carella, Caroline Celle
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Publication number: 20150144590Abstract: The invention relates to a process for improving the electrical and optical performance of a transparent electrically conductive material having silver nanowires. The invention also relates to a process for manufacturing a film made of a transparent electrically conductive material, such as a transparent electrode, a transparent heating film, or a film for electromagnetic shielding. The process of the invention includes the following steps: a) a step of bringing silver nanowires into contact with an acid solution, this solution having a pH lower than 7, preferably lower than 3; and b) a step of eliminating the acid. The field of application of the invention is in particular the field of optoelectronics.Type: ApplicationFiled: June 3, 2013Publication date: May 28, 2015Inventors: Jean-Pierre Simonato, Alexandre Carella, Caroline Celle
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Publication number: 20140145176Abstract: The invention relates to an electronic device comprising at least two organic transistors having different threshold voltages. The device comprises at least two transistors, each including a self-assembled layer of molecules having dipole moments that differ from one another by an absolute value of between 0.2 and 10 debye. The invention is particularly suitable for use in the field of electronic circuit production.Type: ApplicationFiled: July 20, 2012Publication date: May 29, 2014Applicant: Commissariat A L'Energie Atomique Et Aux Energies AlternativesInventors: Jean-Pierre Simonato, Caroline Celle
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Publication number: 20130244334Abstract: The present invention relates to a method and device for the detecting and/or electrically quantifying organophosphorus compounds as a gas or solution. The device includes: an electrical device including a source electrode and a drain electrode, separated by a semiconductor material; and a device for detecting positive charges between the two electrodes. One surface of the semiconductor material is in contact with a polymer material having at least one receptor group including: 1) a function X capable of reacting with the detectable organophosphorus compound, to form an intermediate grouping —Z; and 2) a function Y capable of reacting with —Z to form a positively charged ring. The polymer material includes molecular imprint cavities, with geometrical and chemical configuration allowing the detectable organophosphorus compounds to penetrate into said polymer material. The invention can be used in the field of detecting and/or quantifying organophosphorus compounds.Type: ApplicationFiled: July 4, 2011Publication date: September 19, 2013Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Simon Clavaguera, Alexandre Carella, Caroline Celle, Jean-Pierre Simonato
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Publication number: 20090085028Abstract: The invention relates to a hybrid semiconductor material and to a device containing same. The hybrid semiconductor material of the invention comprises an organic semiconductor matrix in which semiconductor nano-objects grafted by organic entities are dispersed, the organic matrix comprising small semiconductor molecules and the said organic entities having an active electrical function similar to those of the said small semiconductor molecules. The hybrid semiconductor material of the invention has applications in the field of mass consumer electronics, in particular.Type: ApplicationFiled: September 18, 2008Publication date: April 2, 2009Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUEInventors: Jean-Pierre Simonato, Caroline Celle