Patents by Inventor Mathieu Leclerc
Mathieu Leclerc 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: 11975769Abstract: There is described a top fairing for a trailer adapted to decrease drag and manage water. The top fairing comprises a surface for guiding air thereover, comprising a leading flange; a leading surface having a leading radius, the leading surface being joined to the leading flange and extending in a rearward direction; and a tailing surface having a tailing radius, the tailing surface in continuity to the leading surface in the rearward direction. The top fairing comprises openings disposed in the leading flange for managing water through the leading flange.Type: GrantFiled: November 22, 2021Date of Patent: May 7, 2024Assignee: Transtex Inc.Inventors: Pierre-Yves Lacroix, Jacques Leclerc, Alexandre Derny, Mathieu Boivin
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Publication number: 20240131470Abstract: In a process for separating a mixture containing hydrogen and carbon dioxide, the mixture is compressed to form a compressed mixture, the compressed mixture is separated by partial condensation and/or distillation generating a first CO2-depleted stream, the first CO2-depleted stream is separated by permeation through a membrane system to form a residue of the membrane system which is depleted in hydrogen and carbon dioxide and a portion of the residue is recycled, after expansion, to the compressor to be compressed therein.Type: ApplicationFiled: October 8, 2023Publication date: April 25, 2024Inventors: Felix PERE, Mathieu LECLERC
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Publication number: 20240101430Abstract: An apparatus for the separation of a flow containing carbon dioxide by distillation comprising a heat exchange means, a distillation column, means for sending the flow to be cooled in the heat exchange means down to a first intermediate temperature in order to form a liquid flow at a first temperature and at a first pressure, means for dividing the liquid flow in order to form a first fraction and a second fraction, means for expanding the first fraction to the pressure of a distillation column, means for sending the expanded first fraction to an intermediate level of the distillation column, means for exiting the second fraction from the cold end of the heat exchange means after cooling, means for expanding the cooled second fraction to the pressure of the distillation column, means for sending the second fraction to the distillation column and means for the withdrawal, from the bottom of the column, of a liquid flow.Type: ApplicationFiled: January 27, 2022Publication date: March 28, 2024Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges ClaudeInventors: Michael TRAN, Mathieu LECLERC
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Publication number: 20240068744Abstract: In a method for liquefying a gas rich in carbon dioxide, the gas is compressed to a first pressure greater than its critical pressure in a compressor to form a compressed gas, the compressed gas is cooled through heat exchange with a refrigerant to a variable temperature to form a cooled compressed gas with a density between 370 and 900 kg/m3, the cooled compressed gas is cooled at supercritical pressure in a first heat exchanger to a temperature below the critical temperature, the gas cooled below the critical temperature is expanded to a second pressure between 45 and 60 bara to form a diphasic fluid which is separated in a phase separator to form a liquid and a gas, and a liquid portion originating from the phase separator provides cold to the first heat exchanger.Type: ApplicationFiled: March 2, 2022Publication date: February 29, 2024Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges ClaudeInventors: Michael TRAN, Mathieu LECLERC
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Publication number: 20240066462Abstract: In a method for drying a first wet gas stream containing at least 90 mol % CO2, the first CO2 stream is dried in a water adsorption unit, at least a portion of the regeneration gas from the adsorbers being a gas containing at least 90 mol % carbon dioxide produced in a separation apparatus (33) that separates a gas (31) containing carbon dioxide and at least one impurity by partial condensation and/or distillation at a temperature below 0° C.Type: ApplicationFiled: January 7, 2022Publication date: February 29, 2024Inventors: Mathieu LECLERC, Félix PERE
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Publication number: 20230375266Abstract: In a process for the recovery of cold from a methane-rich fluid for the cooling of a flow rich in carbon dioxide, cold is provided to a first heat exchanger for the cooling of the flow by the evaporation of an intermediate fluid by exchange of heat with the methane-rich fluid in order to form at least one condensed intermediate fluid flow at at least one pressure level; at least a part of the intermediate fluid evaporated in a second heat exchanger is condensed at at least one pressure into at least one flow.Type: ApplicationFiled: May 18, 2023Publication date: November 23, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges ClaudeInventors: Martin RAVENTOS, Richard DUBETTIER-GRENIER, Mathieu LECLERC, Thomas MOREL
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Patent number: 11585738Abstract: An apparatus for analyzing the content of at least one contaminant in a liquid cryogen comprising a cylindrical enclosure, an annular enclosure arranged around the cylindrical enclosure, means for dividing a flow of liquid cryogen in two, means for delivering a first part of the liquid cryogen to the cylindrical enclosure, means for delivering a second part of the liquid cryogen to the annular enclosure, a pipe connected to the cylindrical enclosure to allow vaporized liquid to pass through, a pipe connected to the annular enclosure to allow vaporized liquid to pass through, a heater for heating the cylindrical enclosure vessel and means for stopping the delivery of liquid cryogen to the cylindrical enclosure.Type: GrantFiled: May 18, 2018Date of Patent: February 21, 2023Assignee: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Patrick Le Bot, Frederic Crayssac, Benoit Davidian, Mathieu Leclerc
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Publication number: 20230027743Abstract: A process for membrane separation of a mixture containing as main, or even major, components hydrogen and carbon dioxide and also at least one other component, for example chosen from the following group: carbon monoxide, methane and nitrogen, including: heating of the mixture in the heat exchanger, permeation of the reheated mixture in a first membrane separation unit making it possible to obtain a first permeate which is a hydrogen and carbon dioxide enriched relative to the mixture, and a first residue which is hydrogen and carbon dioxide lean, permeation of the first residue in a second membrane separation unit making it possible to obtain a second residue, at least one portion of the first permeate is compressed in a booster compressor and the second residue is expanded in a turbine, the booster compressor being driven by the turbine.Type: ApplicationFiled: July 26, 2022Publication date: January 26, 2023Inventors: Mathieu LECLERC, Felix Pere
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Patent number: 11359027Abstract: The present disclosure relates to the in vivo prevention or treatment of hematologic malignancy relapse using a TNFR2 antagonist (an anti TNFR2 antagonist antibody) (i) for use in the prevention or treatment of hematologic malignancy relapse after allogeneic hematopoietic stem cell transplantation (AHCT) or after a treatment with lymphocytes and (ii) for use in enhancing the graft-versus-leukemia-activity (GVL activity) of a hematopoietic stem cell transplantation (HCT) or a treatment with lymphocytes.Type: GrantFiled: June 22, 2017Date of Patent: June 14, 2022Assignees: UNIVERSITE PARIS EST CRETEIL VAL DE MARNE, INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE (INSERM), ASSISTANCE PUBLIQUE—HOPITAUX DE PARIS, SORBONNE UNIVERSITE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Sébastien Maury, José Cohen, Benoît Salomon, Sina Naserian, Mathieu Leclerc
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Patent number: 11344842Abstract: In a method for separating a mixture containing carbon dioxide, the mixture is cooled in a heat exchanger and partially condensed and a first liquid is separated from the mixture in a first system operating at low temperature comprising at least one first phase separator and a gas from the first system is treated in a membrane system to produce a permeate and a non-permeate, the gas from the first system being divided into two portions, a first portion being sent to the membrane system without being heated and a second portion being heated to at least an intermediate temperature of the heat exchanger and then sent to the membrane system without being cooled.Type: GrantFiled: June 12, 2017Date of Patent: May 31, 2022Assignee: L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Ludovic Granados, Mathieu Leclerc, Frederick Lockwood, Paul Terrien
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Patent number: 10746463Abstract: In a method for compressing a gas that is to be separated in a low-temperature CO2 separation unit using at least one partial condensation step and/or at least one distillation step, the gas that is to be separated has a variable composition and/or variable flow rate, the gas that is to be separated is compressed in a compressor to produce a compressed gas and the inlet pressure of the gas that is to be separated, entering the compressor, is modified according to the CO2 content and/or the flow rate of the gas that is to be separated so as to reduce the variations in volumetric flow rate of the gas that is to be separated entering the compressor.Type: GrantFiled: May 25, 2017Date of Patent: August 18, 2020Assignee: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Mathieu Leclerc, Ludovic Granados, Frederick Lockwood, Cyril Defaye
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Publication number: 20200209113Abstract: An apparatus for analyzing the content of at least one contaminant in a liquid cryogen comprising a cylindrical enclosure, an annular enclosure arranged around the cylindrical enclosure, means for dividing a flow of liquid cryogen in two, means for delivering a first part of the liquid cryogen to the cylindrical enclosure, means for delivering a second part of the liquid cryogen to the annular enclosure, a pipe connected to the cylindrical enclosure to allow vaporized liquid to pass through, a pipe connected to the annular enclosure to allow vaporized liquid to pass through, a heater for heating the cylindrical enclosure vessel and means for stopping the delivery of liquid cryogen to the cylindrical enclosure.Type: ApplicationFiled: May 18, 2018Publication date: July 2, 2020Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Patrick LE BOT, Frederic CRAYSSAC, Benoit DAVIDIAN, Mathieu LECLERC
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Publication number: 20200191689Abstract: The invention relates to a method for analyzing the content of at least one contaminant in a cryogenic liquid, wherein a known amount of liquid L constituting the initial liquid is injected at the pressure P into an enclosure; a predetermined fraction of the liquid present in the enclosure is vaporized by heating same; the vapor thus generated is discharged from the vaporizing enclosure to maintain a pressure no higher than the pressure P during the vaporization phase; the amount of liquid thus vaporized, less than L, is precisely controlled so that the amount of contaminant in the residual liquid present in the enclosure is substantially equal to that of the initial liquid, which implies that the concentration thereof is multiplied by a previously determined factor; a sample of residual liquid is collected; the contaminant content is measured after total vaporization of the residual liquid sample; and the contaminant content in the initial liquid is deduced from the measurement of contaminant in the residualType: ApplicationFiled: May 18, 2018Publication date: June 18, 2020Applicant: l'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Patrick LE BOT, Frédéric CRAYSSAC, Benoit DAVIDIAN, Mathieu LECLERC
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Publication number: 20190330359Abstract: The present disclosure relates to the in vivo prevention or treatment of hematologic malignancy relapse using a TNFR2 antagonist (an anti TNFR2 antagonist antibody) (i) for use in the prevention or treatment of hematologic malignancy relapse after allogeneic hematopoietic stem cell transplantation (AHCT) or after a treatment with lymphocytes and (ii) for use in enhancing the graft-versus-leukemia-activity (GVL activity) of a hematopoietic stem cell transplantation (HCT) or a treatment with lymphocytes.Type: ApplicationFiled: June 22, 2017Publication date: October 31, 2019Applicants: Universite Paris EST Creteil Val de Marne, Institut National de la Recherche Medicale (Inserm), Assistance Publique Hopitaux de Paris, Universite Paris 6 Pierre et Marie Curie, Centre National de la Recherche ScientifiqueInventors: Sébastien MAURY, José COHEN, Benoît SALOMON, Sina NASERIAN, Mathieu LECLERC
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Patent number: 10392251Abstract: The invention relates to a method for treating a mixture in order to separate carbon dioxide and hydrogen from said mixture, in which: i) the mixture is cooled and partially condensed and a first liquid is separated from the rest of the mixture in a first phase separator; ii) a gas from or derived from a gas from the first phase separator is treated in a hydrogen pressure swing adsorption module in order to produce a hydrogen-rich gas and a hydrogen-depleted residual gas; and iii) said hydrogen-depleted residual gas or a gas derived from said depleted gas is cooled and partially condensed and a second liquid is separated from the remaining gas in a second phase separator, separate from the first phase separator, wherein the first and/or second liquid being rich in carbon dioxide. The invention also relates to an installation for implementing such a method.Type: GrantFiled: May 11, 2015Date of Patent: August 27, 2019Assignee: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Nicolas Chambron, Richard Dubettier-Grenier, Mathieu Leclerc, Pascal Marty
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Patent number: 10317135Abstract: A device for separating a gas mixture containing at least 35 mol % carbon dioxide and also at least one gas lighter than carbon dioxide, comprising a first phase separator configured to receive a first partially condensed flow from an exchange line; a first phase separator configured to separate the gas phase from the liquid phase; a cooling means configured to receive the gas phase from the first phase separator and cool said gas phase to form a second partially condensed flow. The resulting liquid phase is then sent to a first valve and is expanded to a lower pressure that is at most 300 mbar lower in order to form a first expanded liquid, which is then mixed with a second liquid originating from the second phase separator in a mixing means that is located upstream of a third valve.Type: GrantFiled: February 20, 2014Date of Patent: June 11, 2019Assignee: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Alain Briglia, Mathieu Leclerc
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Patent number: 10281208Abstract: In a purification method, a carbon dioxide-rich gas is cooled in a first brazed aluminum plate-fin heat exchanger, the cooled gas or at least one fluid derived from the cooled gas is sent to a purification step comprising a distillation step, the purification step produces a carbon dioxide-rich liquid which is cooled, then expanded, then sent to a second heat exchanger where it is heated by means of a fluid of the method, the exchanger carrying out an indirect heat exchange only between the carbon dioxide-rich liquid and the fluid of the method, the carbon dioxide-rich liquid at least partially vaporizes in the second exchanger and the vaporized gas formed heats up again in the first exchanger to form a carbon dioxide-rich gas.Type: GrantFiled: July 11, 2013Date of Patent: May 7, 2019Assignee: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Benoit Davidian, Mathieu Leclerc
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Publication number: 20190118134Abstract: In a method for separating a mixture containing carbon dioxide, the mixture is cooled in a heat exchanger and partially condensed and a first liquid is separated from the mixture in a first system operating at low temperature comprising at least one first phase separator and a gas from the first system is treated in a membrane system to produce a permeate and a non-permeate, the gas from the first system being divided into two portions, a first portion being sent to the membrane system without being heated and a second portion being heated to at least an intermediate temperature of the heat exchanger and then sent to the membrane system without being cooled.Type: ApplicationFiled: June 12, 2017Publication date: April 25, 2019Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Ludovic GRANADOS, Mathieu LECLERC, Frederick LOCKWOOD, Paul TERRIEN
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Patent number: 9950274Abstract: In a method for cooling a flow containing at least 35% carbon dioxide and at least 0.2 ?g/Nm3 of mercury, the mercury being in liquid and/or gas form, the flow is cooled in a first brazed aluminum plate-fin heat exchanger from a first temperature to a second temperature higher than ?38.6° C. to form a cold flow at the second temperature, and the flow cooled to the second temperature is cooled in a second heat exchanger, which is a tube and shell heat exchanger, to a third temperature lower than ?38.6° C.Type: GrantFiled: July 12, 2013Date of Patent: April 24, 2018Assignee: L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDEInventors: Alain Briglia, Arthur Darde, Ludovic Granados, Mathieu Leclerc, Frederick Lockwood, Xavier Traversac
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Patent number: 9895653Abstract: In a process for the separation of a stream containing carbon dioxide, water and at least one light impurity including a separation step at subambient temperature, the feed stream is compressed in a compressor comprising at least two stages to form a compressed feed stream, the compressed feed stream is purified in an adsorption unit to remove water and form a dried compressed stream, the dried compressed stream or a stream derived therefrom is cooled to a subambient temperature and separated by partial condensation and/or distillation in a separation apparatus, liquid enriched in carbon dioxide is removed from the separation apparatus, the adsorption unit is regenerated using a regeneration gas and the regeneration gas is formed by separating, by permeation in a permeation unit, the dried compressed stream or a gas derived therefrom, the permeate of the permeation unit constituting the regeneration gas.Type: GrantFiled: July 11, 2013Date of Patent: February 20, 2018Assignee: L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDEInventors: Arthur Darde, Richard Dubettier-Grenier, David J. Hasse, Sudhir S. Kulkarni, Mathieu LeClerc, Paul Terrien