Patents by Inventor Frederick Lockwood
Frederick Lockwood 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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Publication number: 20240082261Abstract: Disclosed are compositions and methods for delaying or preventing idiopathic pretermType: ApplicationFiled: November 6, 2023Publication date: March 14, 2024Inventors: Charles Lockwood, Ozlem Guzeloglu-Kayisli, Umit Ali Kayisli, Frederick Schatz
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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: 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: 9903648Abstract: According to certain embodiments of the invention, a gas containing at least 50% of carbon dioxide is cooled in a first exchanger so as to produce a cooled fluid, a liquid derived from the cooled fluid is sent to a distillation column to be separated therein, a head gas is withdrawn from the distillation column and reheated in the first exchanger, a vat liquid, which is richer in carbon dioxide than the gas containing at least 50% of carbon dioxide, is withdrawn and at least a portion thereof is heated in the first exchanger, at least a first portion of the vat liquid is vaporized in the first exchanger in order to produce a vaporized portion, the vaporized portion is sent back to the column and an NOx removal column is supplied with the liquefied cycle gas produced by vaporizing and reliquefying the vat liquid from the column.Type: GrantFiled: March 5, 2013Date of Patent: February 27, 2018Assignee: L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDEInventors: Alain Briglia, Arthur Darde, Frederick Lockwood, Xavier Traversac
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Publication number: 20170343279Abstract: 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: ApplicationFiled: May 25, 2017Publication date: November 30, 2017Applicant: L'Air Liquide, Societe Anonyme pour I'Etude et I'Exploitation des Procedes Georges ClaudeInventors: Mathieu LECLERC, Ludovic Granados, Frederick Lockwood, Cyril Defaye
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Publication number: 20150176892Abstract: In a process for storing liquid rich in carbon dioxide in solid form and subsequently releasing liquid containing mainly carbon dioxide, a solid containing mainly carbon dioxide is formed from at least part of the liquid with or without using indirect heat exchange means, storing the solid containing mainly carbon dioxide, the process steps including subsequently causing at least part of the solid containing mainly carbon dioxide to melt forming a liquid containing mainly carbon dioxide, by direct contact with an auxiliary gas rich in carbon dioxide, wherein the auxiliary gas is at least partially liquefied to form liquid containing mainly carbon dioxide by heat exchange with the melting solid and removing at least part of the liquid containing mainly carbon dioxide.Type: ApplicationFiled: July 12, 2013Publication date: June 25, 2015Inventors: Arthur Darde, Richard Dubettier-Grenier, Frederick Lockwood, Paul Terrien, Jean-Pierre Tranier, Xavier Traversac
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Publication number: 20150157957Abstract: 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: ApplicationFiled: July 12, 2013Publication date: June 11, 2015Applicant: L'Air Liquide, Societe Anonyme pour I'Etude et I'Exploitation des Procedes Georges ClaudeInventors: Alain Briglia, Arthur Darde, Ludovic Granados, Mathieu Leclerc, Frederick Lockwood, Xavier Traversac
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Publication number: 20150059402Abstract: According to certain embodiments of the invention, a gas containing at least 50% of carbon dioxide is cooled in a first exchanger so as to produce a cooled fluid, a liquid derived from the cooled fluid is sent to a distillation column to be separated therein, a head gas is withdrawn from the distillation column and reheated in the first exchanger, a vat liquid, which is richer in carbon dioxide than the gas containing at least 50% of carbon dioxide, is withdrawn and at least a portion thereof is heated in the first exchanger, at least a first portion of the vat liquid is vaporized in the first exchanger in order to produce a vaporized portion, the vaporized portion is sent back to the column and an NOx removal column is supplied with the liquefied cycle gas produced by vaporizing and reliquefying the vat liquid from the column.Type: ApplicationFiled: March 5, 2013Publication date: March 5, 2015Inventors: Alain Briglia, Arthur Darde, Frederick Lockwood, Xavier Traversac
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Publication number: 20140208798Abstract: An integrated apparatus for separating a mixture of carbon dioxide and at least one other gas and for separating air by air distillation is provided. The apparatus includes a CO2 separation unit configured to separate the mixture, an air separation unit configured to separate air by cryogenic distillation, a water cooling tower that operates by direct contact, a line for sending water to the top of the tower, a line for sending at least one portion of the nitrogen-enriched gas stream to a lower level of the tower, a cooled water line for withdrawing cooled water from the tower and means for cooling the air upstream of the air separation unit, the cooled water line being connected to means for cooling the air upstream of the air separation unit and to the inlet and/or to the outlet of the unit for separating the gaseous mixture.Type: ApplicationFiled: May 29, 2012Publication date: July 31, 2014Applicant: L'Air Liquide Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventors: Marie Cognard, Arthur Darde, Benoit Davidian, Richard Dubettier-Grenier, Frederick Lockwood, Christophe Szamlewski, Xavier Traversac
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Publication number: 20120180657Abstract: The present invention relates to a process for producing at least one CO2-lean gas and at least one CO2-rich fluid. In particular, it relates to a process for capturing dioxide in a fluid containing at least one compound more volatile than carbon dioxide such as, for example, methane CH4, oxygen O2, argon Ar, nitrogen N2, carbon monoxide CO, helium He and/or hydrogen H2.Type: ApplicationFiled: September 2, 2010Publication date: July 19, 2012Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Christian Monereau, Claire Bourhy-Weber, Frederick Lockwood, Jean-Pierre Tranier, Marc Wagner
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Publication number: 20110302955Abstract: The present invention relates to a method of capturing carbon dioxide in a fluid comprising at least one compound more volatile than carbon dioxide CO2, for example methane CH4, oxygen O2, argon Ar, nitrogen N2, carbon monoxide CO, helium He and/or hydrogen H2.Type: ApplicationFiled: December 14, 2009Publication date: December 15, 2011Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Frederick Lockwood, Alain Ravex, Jean-Pierre Trainer, Claire Weber
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Publication number: 20110296868Abstract: The present invention relates to a method of capturing carbon dioxide in a fluid comprising at least one compound more volatile than carbon dioxide CO2, for example methane CH4, oxygen O2, argon Ar, nitrogen N2, carbon monoxide CO, helium He and/or hydrogen H2.Type: ApplicationFiled: December 14, 2009Publication date: December 8, 2011Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Frederick Lockwood, Alain Ravex, Jean-Pierre Tranier, Claire Weber
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Publication number: 20110296866Abstract: The present invention relates to a method of capturing carbon dioxide in a fluid comprising at least one compound more volatile than carbon dioxide CO2, for example oxygen O2, argon Ar, nitrogen N2, carbon monoxide CO, helium He and/or hydrogen H2.Type: ApplicationFiled: December 14, 2009Publication date: December 8, 2011Inventors: Simon Jallais, Frederick Lockwood, Alain Ravex, Jean-Pierre Tranier, Marc Wagner, Claire Weber
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Publication number: 20110252828Abstract: The present invention relates to a method of capturing carbon dioxide in a fluid comprising at least one compound more volatile than carbon dioxide CO2, for example methane CH4, oxygen O2, argon Ar, nitrogen N2, carbon monoxide CO, helium He and/or hydrogen H2.Type: ApplicationFiled: December 14, 2009Publication date: October 20, 2011Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Frederick Lockwood, Jean-Pierre Tranier, Claire Weber
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Publication number: 20110252827Abstract: The present invention relates to a method of capturing carbon dioxide in a fluid comprising at least one compound more volatile than carbon dioxide CO2, for example methane CH4, oxygen O2, argon Ar, nitrogen N2, carbon monoxide CO, helium He and/or hydrogen H2.Type: ApplicationFiled: December 14, 2009Publication date: October 20, 2011Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Frederick Lockwood, Jean-Pierre Tranier, Claire Weber
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Publication number: 20080245101Abstract: An integrated process and installation implementing a unit of adsorption (3) and a cryogenic unit (9), in which a gas of food containing of CO2 is sent to the unit of adsorption (3) where it separates in a first flow enriched out of CO2 (6) and a first flow impoverished of CO2 (5), first flow enriched out of CO2 being sent to the cryogenic unit (9) where it is separate in a second flow rich in CO2 (11) and a second flow low in CO2 (10). The first flow enriched out of CO2 (6) resulting from the unit from adsorption (3) is sent towards means of homogenization (17), a such storage capacity or analogue, making it possible to attenuate the cyclic variations of flow, composition and/or gas pressure, then subjected to at least a stage of intermediate compression (7) before its entry in the cryogenic unit (9). The first gas enriched out of CO2 (6) outgoing by the unit by adsorption (3) contains between 40 and 95% of CO2, preferentially between 60 and 85% of CO2.Type: ApplicationFiled: March 30, 2006Publication date: October 9, 2008Inventors: Richard Dubettier-Grenier, Vincent Gueret, Frederick Lockwood