Patents Examined by Syed T Iqbal
  • Process and plant for producing and storing hydrogen
    Patent number: 11459233
    Abstract: A process for producing and storing hydrogen includes providing an intermediate gas mixture having an increased proportion of hydrogen and contacting of the intermediate gas mixture with a hydrogen carrier medium in order to hydrogenate the hydrogen carrier medium.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: October 4, 2022
    Assignee: HYDROGENIOUS LOHC TECHNOLOGIES GMBH
    Inventors: Peter Wasserscheid, Wolfgang Arlt, Daniel Teichmann
  • Photocatalytic concrete product and a method to produce a photocatalytic concrete product
    Patent number: 11452988
    Abstract: The present invention relates to a photocatalytic concrete product and a method to produce a photocatalytic concrete product. In first aspect the invention relates to method of producing photocatalytic concrete product, said concrete product being photocatalytic by containing nano sized photocatalytic particles embedded in an section including a first surface, said first surface forming an exterior surface when the photocatalytic concrete product is used as cover/lining. The method comprises: providing a not-yet-set concrete product having a first surface, applying a dispersion containing nano sized photocatalytic particles, such as titanium dioxide nanoparticles a solvent including a humectant onto said first surface of the not-yet-set concrete product.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: September 27, 2022
    Assignee: Photocat A/S
    Inventors: Henrik Jensen, Theis Reenberg, Simon Lausten Ostergaard
  • Materials, methods and techniques for generating rare earth carbonates
    Patent number: 11447397
    Abstract: Mixed rare earth carbonate may be prepared by mixing a rare earth sulfate solution with a precipitating agent comprising a first sodium carbonate (Na2CO3) solution, to form a first mixture, and generating a higher sulfate rare earth carbonate wet cake from the first mixture. The higher sulfate rare earth carbonate wet cake can be mixed with a second sodium carbonate (Na2CO3) solution to form a second mixture, and a lower sulfate rare earth carbonate can be generated from the second mixture.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: September 20, 2022
    Assignee: Lynas Rare Earths Limited
    Inventors: Norazihan Zulkifli, Mohd Anis Shah Mohd Zainal, Luke Darbyshire, Peter Ryan, Aznor Yahya, Ermie Fadhullah Kassim
  • Metal hydride compressor control device and method
    Patent number: 11440796
    Abstract: The present relates to a Metal hydride compressor control method for generating a variable output pressure P_desired_outPut, comprising a first step of inflowing gaseous hydrogen into a metal hydride compartment at a constant temperature and then stopping the gaseous hydrogen inflow, a second step of heating the metal hydride to a predetermined temperature which corresponds to a temperature which passes through the ?+? phase at the desired output pressure P_desired_output, a third step of opening the output connection of the compressor and keeping it at a constant pressure by regulating the temperature to keep a constant output pressure P_desired_outPut until the system completely leaves the ?+? phase.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: September 13, 2022
    Assignee: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)
    Inventors: Noris Gallandat, Andreas Züttel
  • Reforming system and reforming method using off gas as cooling medium
    Patent number: 11434133
    Abstract: Disclosed is a reforming system using an off gas as a cooling medium, which includes: a compressor configured to compress a feed gas; a cooling system a heat exchanger connected to the compressor and configured to cool the feed gas, the temperature of which has been raised in a compression process, by a cooling medium including cooling water; a reformer configured to generate a synthesis gas including hydrogen by reacting the feed gas, which passed through the heat exchanger, with water; a pressure swing adsorption (PSA) unit configured to separate hydrogen from the synthesis gas generated by the reformer and discharge the off gas; and an off gas line configured to feed the off gas discharged from the PSA unit to the heat exchanger such that the heat exchanger utilizes the off gas as the cooling medium.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: September 6, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Han Eol Song, Dong Seok Ko
  • Integrated hydrogen generator and compressor with related method
    Patent number: 11427468
    Abstract: An integrated hydrogen generator and compressor (200) that includes a combined engine compressor (collectively 109, 110, 111) and steam-methane reformer (104) to produce high-pressure hydrogen from natural gas (methane). The reformer (104) combines methane, water, and heat under high pressure in the presence of an appropriate catalyst, to produce hydrogen utilizing waste heat from combustion cylinders of the combined engine compressor (collectively 109, 110, 111). Compression serves to pressurize two different gases (methane and hydrogen) in different compression cylinders including the compression cylinders (109a, 109b, 109c) of the combined engine compressor (collectively 109, 110, 111) alternatively and/or optionally combined with internal combustion engine (310) and/or gas compressor(s) (410) that are integrated thermally and via communication of compressed gases.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: August 30, 2022
    Assignee: Onboard Dynamics LLC
    Inventors: Jeffrey G. Witwer, Steven D. Westberg
  • Centrifuge reactor system and method
    Patent number: 11421161
    Abstract: A method of generating a hydrogen or hydrocarbon fuel from a feedstock via a centrifuge reactor that includes introducing a flow of feedstock to a centrifuge reactor with a centrifuge assembly having a reaction chamber and configured to rotate about a central rotational axis X, rotating the centrifuge assembly about the central rotational axis X at a tip speed of 100 m/s to 1000 m/s to generate an acceleration gradient from the central rotational axis X and from the first reaction chamber end to the second reaction chamber end; and generating reaction conditions in the reaction chamber, including pressure of 5 MPa to 500 MPa and temperature within a range of 200° C. to 1000° C., the reaction conditions and acceleration gradient causing a separation of products from a reaction of the feedstock within the reaction chamber.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: August 23, 2022
    Assignee: Other Lab, LLC
    Inventor: Peter Sturt Lynn
  • Process for producing isomer enriched higher silanes
    Patent number: 11401166
    Abstract: Methods of selectively synthesizing n-tetrasilane are disclosed. N-tetrasilane is prepared by catalysis of silane (SiH4), disilane (Si2H6), trisilane (Si3H8), or mixtures thereof. More particularly, the disclosed synthesis methods tune and optimize the n-tetrasilane:i-tetrasilane isomer ratio. The isomer ratio may be optimized by selection of process parameters, such as temperature and the relative amount of starting compounds, as well as selection of proper catalyst. The disclosed synthesis methods allow facile preparation of n-tetrasilane.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: August 2, 2022
    Assignee: L'Air Liaquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude
    Inventors: Grigory Nikiforov, Gennadiy Itov
  • Substrate and a method of manufacturing a substrate
    Patent number: 11396010
    Abstract: A catalytic convertor comprising a substrate body (100) arranged within the catalytic convertor such that a principal flow of fluid through the catalytic convertor flows along a surface (101) of the substrate body, wherein said surface (101) has a plurality of openings (210) to micro-channels that extend away from said surface (101); and at least a portion of the surface (101) of the substrate body (100) comprises a catalytically active material, wherein the substrate body (100) is in the form of: a pellet; a sheet; solid elongate bodies; solid rods; a solid body having a plurality of bores; a non-tubular elongate body; a non-hollow body; a sheet curved in the form or a spiral; or a combination thereof.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: July 26, 2022
    Assignee: IP2IPO INNOVATIONS LIMITED
    Inventors: Benjamin Francis Knatchbull Kingsbury, Kang Li, Zhentao Wu
  • Method of controlling a multi selective catalytic reduction system
    Patent number: 11389768
    Abstract: A method of controlling a catalytic exhaust system having a first catalytic unit located upstream of a second catalytic unit includes i) providing a relationship between the temperature of the first catalytic unit, an amount of NH3 stored in the second catalytic unit, and a corresponding limit value of the amount of NH3 permitted in the first catalytic unit; ii) measuring or estimating the amount of NH3 in the second catalytic unit; iii) measuring or estimating the temperature of the first catalytic unit; iv) using the relationship and measured/estimated parameters of steps ii and iii to provide the limit value for the amount of NH3 to be stored in the first catalytic unit; and v) using the parameter from iv in the control of the catalytic exhaust system.
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: July 19, 2022
    Assignee: Delphi Automotive Systems Luxembourg S.A.
    Inventors: Julien Schmitt, Michael Parmentier
  • Method for the preparation of synthesis gas
    Patent number: 11370660
    Abstract: Method for the preparation of synthesis gas based on a combination of the ATR process or partial oxidation of hydrocarbon fee stock using oxygen from the electrolysis of water and an air separation unit to produce the synthesis gas.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: June 28, 2022
    Assignee: Topsoe A/S
    Inventors: Kim Aasberg-Petersen, Pat A. Han
  • High activity reforming catalyst formulation and process for low temperature steam reforming of hydrocarbons to produce hydrogen
    Patent number: 11358128
    Abstract: A method for producing a hydrogen rich gas from a heavy hydrocarbon feed comprising the steps of introducing the hydrocarbon feed to a reactor, the reactor comprising a low temperature reforming catalyst, the low temperature reforming catalyst comprising an amount of praseodymium, 12 wt % nickel, and an aluminum oxide component, contacting the low temperature reforming catalyst with the hydrocarbon feed in the reactor, wherein the reactor operates at a temperature between 500° C. and 600° C., wherein the reactor operates at a pressure between 3 bar and 40 bar, and producing the hydrogen rich gas over the low temperature reforming catalyst, wherein the hydrogen rich gas comprises hydrogen.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: June 14, 2022
    Assignees: Saudi Arabian Oil Company, King Fahd University of Petroleum & Minerals
    Inventors: Shakeel Ahmed, Aadesh Harale, Mohammed Albuali, Kunho Lee, Sai P. Katikaneni, Mohammed Draze
  • Methods for high-yield synthesis of higher germanes and higher silanes
    Patent number: 11332368
    Abstract: High-yield synthesis of higher germanes and higher silanes includes the hydrolysis of a germanium- or silicon-containing alloy with chemical formula AxByGe(Si), wherein A=Mg, Ca, Sr, Ba, Li, Na, K, Rb, Cs, and rare earth metals; B=Al, Si, Sn, Ga, Zn, Fe, Co, Ni, Cu, Ag; x=0-10, y=0-10. The hydrolysis reaction is promoted by an acidic substance such as boron oxide (B2O3), citric acid, hydrochloric acid (HCl), or sulfuric acid (H2SO4). The present invention provides an efficient method of drying higher germanes and higher silanes to prevent their further hydrolysis. Another synthetic process involves the reaction of germanium oxide, borohydride and boron oxide with water. Still another process comprises hydrolyzing the Si1-xGex alloy with a very dilute base solution.
    Type: Grant
    Filed: December 28, 2019
    Date of Patent: May 17, 2022
    Assignee: Ge Solartech, LLC
    Inventors: Baoquan Huang, Henry Lee
  • Hydrogen storage composition, hydrogen storage container and method for producing hydrogen storage container with hydrogen storage composition
    Patent number: 11333303
    Abstract: A hydrogen storage composition, a hydrogen storage container and a method for producing the hydrogen storage container are provided. The hydrogen storage composition includes a thermally-conductive material, a hydrogen storage material, and optionally a granular elastic material. The hydrogen storage container includes a canister body and the hydrogen storage composition. After the hydrogen storage composition is placed into a canister body, a vacuum environment within the canister body is created, and a first weight of the canister body is recorded. Then, hydrogen gas is charged into the canister body, and a second weight of the canister body is recorded. Then, a hydrogen storage amount is calculated according to the first weight and the second weight. If the hydrogen storage amount reaches the predetermined value, the hydrogen storage container is produced.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: May 17, 2022
    Assignee: ASIA PACIFIC FUEL CELL TECHNOLOGIES, LTD.
    Inventors: Jefferson Y S Yang, Chi-Kai Cheng, Wu-Yao Wei
  • Catalytic hydrogen production
    Patent number: 11305989
    Abstract: The present disclosure provides a method of producing hydrogen. The method includes heating a mixture comprising a metal component exhibiting a nanostructured surface, water, and carbon dioxide.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: April 19, 2022
    Assignee: University of Massachusetts
    Inventors: David K. Ryan, T. A. Mahesh Jayamanna
  • Method for refining argon gas and recovering and refining apparatus for argon gas
    Patent number: 11305994
    Abstract: A method is provided for refining an argon gas, in which oxygen is added to the argon gas containing hydrogen, carbon monoxide (CO), and oxygen as impurities so that the hydrogen and the CO are converted into water and carbon dioxide in a catalyst tower, or hydrogen is added to the argon gas so that the oxygen is converted into the water; the method including: monitoring the hydrogen, the CO, and the oxygen on an outlet side of the catalyst tower; and at least one of adding the oxygen to the argon gas when any one of the hydrogen and the CO is detected on the outlet side of the catalyst tower, and adding the hydrogen when the oxygen is detected, wherein the oxygen or the hydrogen to be added is intermittently added to the catalyst tower relative to continuous supply of the argon gas to the catalyst tower.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: April 19, 2022
    Assignee: SHIN-ETSU HANDOTAI CO., LTD.
    Inventors: Yasushi Kurosawa, Hideaki Matsushima
  • Controlled release of hydrogen from composite nanoparticles
    Patent number: 11298679
    Abstract: Multi-functional materials for use in reversible, high-capacity hydrogen separation and/or storage are described. Also described are systems incorporating the materials. The multi-functional materials combine a hydrogen-absorbing material with a high-efficiency and a non-contact energy-absorbing material in a composite nanoparticle. The non-contact energy-absorbing material include magnetic and/or plasmonic materials. The magnetic or plasmonic materials of the composite nanoparticles can provide localized heating to promote release of hydrogen from the hydrogen storage component of the composite nanoparticles.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: April 12, 2022
    Assignee: Savannah River Nuclear Solutions, LLC
    Inventors: Simona H. Murph, Kaitlin J. Lawrence, Henry T. Sessions, Michael A. Brown
  • Nickel-containing catalyst composition having enhanced acidity for autothermal reforming processes
    Patent number: 11286160
    Abstract: Modified red mud catalyst compositions, methods for production, and methods of use in autothermal reforming, the composition comprising: red mud material produced from an alumina extraction process from bauxite ore; and nickel oxide, the nickel oxide present at between about 5 wt. % to about 40 wt. % of the modified red mud catalyst composition.
    Type: Grant
    Filed: January 28, 2020
    Date of Patent: March 29, 2022
    Assignee: SAUDI ARABIAN OIL COMPANY
    Inventors: Bandar A. Fadhel, Bandar H. Alsolami, Rami Bamagain, Mohammed A. Albuali
  • Regeneration method of solid catalyst
    Patent number: 11273434
    Abstract: The present invention aims to provide a regeneration method capable of sufficiently restoring the catalytic performance of a solid catalyst used in a dehydration reaction of lactic acid and derivatives thereof. The present invention relates to a method for regenerating a solid catalyst used in a dehydration reaction of lactic acid and derivatives of lactic acid, the method including a contacting step of bringing a solid catalyst containing a component that forms a molten salt in the presence of steam into contact with oxygen and steam under pressure.
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: March 15, 2022
    Assignees: THE PROCTER & GAMBLE COMPANY, NIPPON SHOKUBAI CO., LTD.
    Inventors: Juan Estaban Velasquez, Dimitris Ioannis Collias, Jane Ellen Godlewski, Motosuke Imada, Koji Shingubara, Masashi Tonoya, Shinji Kanbara, Masaki Okada, Tomoharu Oku, Hideaki Tsuneki, Masanori Nonoguchi
  • Solid state synthesis of metal borohydrides
    Patent number: 11267702
    Abstract: A method for obtaining solid-state metal borohydrides without toxic precursors and expensive solvents includes dry mixing of metal hydrides and metal polyhydro-closo-borate starting materials. High pressure and heating is also used in the method. These materials can be used for hydrogen storage, general reducing agents, organic synthesis, wastewater treatment, and paper pulp bleaching.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: March 8, 2022
    Assignee: National Technology & Engineering Solutions of Sandia, LLC
    Inventors: Vitalie Stavila, James Lawrence White