Patents Examined by Natasha E Young
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Patent number: 11684904Abstract: Methods for operating a high pressure olefin polymerization reactor include the steps of introducing an initiator stream containing ethylene and an initiator compound through an initiator nozzle into the reactor, introducing an olefin stream containing ethylene and an optional comonomer through an olefin nozzle into the reactor, and polymerizing ethylene and optionally the comonomer in the presence of the initiator stream in the reactor under high pressure polymerization conditions to produce an ethylene polymer. The amount of ethylene in the initiator stream is from 0.01 to 2 wt. % of the amount of ethylene in the olefin stream. An injection nozzle that can be used in conjunction with the high pressure reactor also is described.Type: GrantFiled: October 14, 2021Date of Patent: June 27, 2023Assignee: Chevron Phillips Chemical Company LPInventors: Kenneth A. Dooley, Corey W. Knight, Ralph J. Price, Joel A. Mutchler
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Patent number: 11684902Abstract: A catalytic bed for a chemical reactor, said catalytic bed having an annular-cylindrical geometry and comprising at least one collector made with a gas-permeable cylindrical wall, containing at least a first catalyst and a second catalyst, wherein the second catalyst has a finer particle size than the first catalyst, and wherein the first catalyst forms a layer of catalyst adjacent to and in contact with said collector.Type: GrantFiled: May 23, 2018Date of Patent: June 27, 2023Assignee: CASALE SAInventor: Enrico Rizzi
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Patent number: 11673112Abstract: A processing system and method of producing a particulate material are provided. The processing system includes a system inlet connected to one or more gas lines to deliver one or more gases into the processing system, a buffer chamber, a dispersion chamber, a heating assembly, a reaction chamber and a system outlet for delivering particulate material out of the processing system. The method includes delivering one or more gases via a system inlet into a buffer chamber of a processing system, jetting a liquid mixture into one or more streams of droplets using one or more power jet modules into the processing system, delivering flows of one or more heated gases via a heating assembly, forming a reaction mixture and processing the reaction mixture at a reaction temperature into a product material inside the reaction chamber.Type: GrantFiled: June 28, 2020Date of Patent: June 13, 2023Inventors: Yan Wang, Lu Yang, Liang-Yuh Chen
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Patent number: 11673106Abstract: A fixed bed arrangement formed as an insert for a reactor for catalytic conversion of reaction media, in particular for catalytic methanation of a gas mixture including hydrogen and carbon dioxide, having a receiving chamber, which extends axially within an outer sleeve, and through which reaction media flows during the reactor operation for receiving a catalyst material, and a heat exchanger arrangement having a fluid flow path for a temperature control fluid, which fluid flow path is spatially separated from the receiving chamber, for removing and supplying heat from/to the process. The outer sleeve is formed by the heat exchanger arrangement, at least in regions. The fixed bed arrangement includes a reactor for the catalytic reaction of reaction media having a pressure chamber for receiving reaction media, and such a fixed bed arrangement inserted into the pressure chamber.Type: GrantFiled: September 26, 2019Date of Patent: June 13, 2023Assignee: HITACHI ZOSEN INOVA AGInventors: Freimut Marold, Christoph Hütter, Wolfgang Beez, Adrian Schneider
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Patent number: 11666883Abstract: Plant for the synthesis of melamine starting from urea, wherein the stream of offgas containing NH3 and CO2 produced by the synthesis of melamine is converted into urea in a dedicated urea plant.Type: GrantFiled: January 14, 2019Date of Patent: June 6, 2023Assignee: Casale SAInventors: Andrea Scotto, Matteo Fumagalli
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Patent number: 11660369Abstract: A light includes a light emitting diode (LED) package to emit visible light, an electronics module coupled to the light emitting diode package, and a dome or fixture having a coating containing Photocatalytic Titanium Dioxide optically coupled to the light emitting diode package such that the coating containing Titanium Dioxide acts as a photo-catalyst responsive to LED emitted light.Type: GrantFiled: May 25, 2018Date of Patent: May 30, 2023Inventor: Deloren E. Anderson
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Patent number: 11654412Abstract: In an apparatus producing hydrogen gas by the decomposition reaction of water using photocatalyst, its miniaturization is achieved while suppressing the decrease of production efficiency of hydrogen gas as low as possible or improving the efficiency. The apparatus 1 comprises a container portion 2 receiving water W; a photocatalyst member 3 immersed in the water, having photocatalyst which generates excited electrons and positive holes when irradiated with light, causes a decomposition reaction of the water and generates hydrogen gas; a light source 4 emitting the light irradiated to the photocatalyst member; and a heat exchange device 7 conducting waste heat of the light source to the water in the container portion; wherein the water to be decomposed on the photocatalyst member in the container portion is warmed by the waste heat of the light source by the heat exchange device.Type: GrantFiled: October 6, 2021Date of Patent: May 23, 2023Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYODA GOSEI CO., LTD.Inventors: Taizo Masuda, Kenichi Okumura, Ryota Tomizawa, Atsuki Yoshimura
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Patent number: 11648524Abstract: The present invention relates to a method for controlling an ultrafast chemical reaction using a microfluidic reactor, and more specifically, the present invention relates to a method for controlling an ultrafast chemical reaction such as the Fries rearrangement reaction and the like by using a microfluidic reactor by the 3D metal printing technique.Type: GrantFiled: July 28, 2021Date of Patent: May 16, 2023Assignees: POSTECH ACADEMY-INDUSTRY FOUNDATION, VERSITECH LIMITEDInventors: Dong Pyo Kim, Ji Tae Kim, Hyune Jea Lee
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Patent number: 11648518Abstract: A catalytic reactor comprises a floating particle catcher unit and a particle catching surface which extracts particles from the fluid flow stream above the catalyst bed whereby at least a part of the particles settles on the particle catching surface instead of clogging the catalyst bed.Type: GrantFiled: June 19, 2020Date of Patent: May 16, 2023Assignee: Topsoe A/SInventors: Marc Nybo Hammer, Klaus Risbjerg Jarlkov, Rasmus Asker Calundann
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Patent number: 11648520Abstract: A fluidized bed cooler for cooling a urea-containing granular material may include a cooler chamber having a product inlet opening, a product outlet opening, a perforated plate disposed in the cooler chamber, and at least one cooling medium entry opening disposed beneath the perforated plate. The product inlet opening may be disposed above the perforated plate, and a baffle plate may be disposed between the product inlet opening and the perforated plate. A distributor plate may be disposed between the baffle plate and the perforated plate. An area of the distributor plate may be 10% to 50% greater than an area of the baffle plate.Type: GrantFiled: January 8, 2019Date of Patent: May 16, 2023Assignees: THYSSENKRUPP FERTILIZER TECHNOLOGY GMBH, THYSSENKRUPP AGInventors: Rositsa Marianova Rieks, Thomas Gerner
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Patent number: 11642646Abstract: A system for production of hydrogen includes a steam methane reformer (SMR) including an outer tube, wherein a first end of the outer tube is closed; and an inner tube disposed in the outer tube, wherein a first end of the inner tube is open. An SMR flow channel is defined within the inner tube and an annular space is defined between the outer tube and the inner tube. The flow channel is in fluid communication with the annular space. The SMR includes a foam disposed in the annular space. The system includes a water gas shift reactor comprising a reaction tube, wherein a reaction channel is defined within the reaction tube, and wherein the reaction channel is in fluid communication with the SMR flow channel; a heat transfer material disposed in the reaction channel; and a catalyst disposed in the reaction channel.Type: GrantFiled: January 15, 2021Date of Patent: May 9, 2023Assignee: BAYOTECH, INC.Inventors: Robert Charles Moore, Herbert Lee Nigg, Millicent Capstaff, Viswanath Krishnamoorthy, Ranko P. Bontchev
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Patent number: 11638767Abstract: Various implementations of the invention are directed toward a sanitizing door handle and/or components of such sanitizing door handle. Some implementations of the invention are directed toward a manual sanitizing door handle while some implementations of the invention are directed toward an auto-sanitizing door handle. According to some implementations of the invention, a sanitizing fluid is dispensed directly onto an exterior surface of the sanitizing door handle in connection with an operation of the door handle to sanitize the door handle. According to some implementations of the invention, a sanitizing fluid is dispensed directly onto a user's hand(s) in connection with an operation of the door handle to sanitize the user's hand(s).Type: GrantFiled: February 18, 2022Date of Patent: May 2, 2023Assignee: VitaTouch, Inc.Inventor: Michael Rafko
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Patent number: 11628414Abstract: Methods and apparatus are disclosed for generating an electromagnetic field inside a reactor to trigger an exothermic reaction. The design and implementation of the electromagnetics are based on the requirements of a particular exothermic reaction or reactor. For example, the triggering mechanism of a particular exothermic reaction or reactor may require a magnetic field with a specific magnitude, polarity, and/or orientation.Type: GrantFiled: February 6, 2020Date of Patent: April 18, 2023Assignee: IHJ Holdings Ltd.Inventors: Joseph A. Murray, Julie A. Morris, Tushar Tank
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Patent number: 11629293Abstract: A system for producing a hydrocarbon by high-temperature Fischer-Tropsch synthesis is described. The system includes a Fischer-Tropsch synthesis unit, a reaction water separation unit, and a catalyst reduction unit. The catalyst reduction unit uses a gas containing the tail gas of the synthesis unit as a reducing gas and a small amount of synthesis gas for adjusting the hydrogen to carbon ratio, to react with the Fischer-Tropsch synthesis catalyst. After the reduction reaction, the reacted gas is cooled to room temperature, and enters a gas-liquid separator to obtain a gas phase and a liquid phase. The gas phase flows to a cryogenic separation unit to recover gaseous hydrocarbons. The liquid phase is separated into reaction water and Fischer-Tropsch oil products. The reduced catalyst is sent to the Fischer-Tropsch synthesis unit.Type: GrantFiled: December 14, 2020Date of Patent: April 18, 2023Assignee: YANKUANG ENERGY R&D CO., LTD., SHANGHAIInventors: Qiwen Sun, Jisen Liu, Jianping Yue
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Patent number: 11623867Abstract: Methods and reactors for electrochemically expanding a parent material and expanded parent materials are described. Current methods of expanding parent materials incompletely-expand parent material, requiring expensive and time-consuming separation of expanded parent material from unexpanded parent materials. This problem is addressed by the methods and reactor for electrochemically expanding a parent material described herein, which during operation maintain electrical connectivity between the parent material and an electrical power source. The resulting materials described herein have a greater proportion of expanded parent material relative to unexpanded parent material compared to those made according to others methods.Type: GrantFiled: June 14, 2021Date of Patent: April 11, 2023Assignee: The Texas A&M University SystemInventors: Thomas C. Achee, Micah J. Green, Charles B. Sweeney, Wanmei Sun
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Patent number: 11618685Abstract: A method and apparatus for preparing boron nitride nanotubes (BNNTs) according to an embodiment may ensure mass-production, may increase yield by reducing a production time, and may prepare BNNTs with high purity.Type: GrantFiled: June 28, 2019Date of Patent: April 4, 2023Assignee: NAIEEL TECHNOLOGYInventors: Min Kyung Zo, Jaewoo Kim, Duck Bong Seo, Hee Jin Kim
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Patent number: 11607664Abstract: A reactor for accommodating high contaminant feedstocks includes a reactor vessel having an inlet for introducing a feedstock containing contaminants into an interior of the reactor vessel. A basket is located within the reactor vessel interior and contains a particulate material for removing contaminants from the feedstock to form a purified feedstock that is discharged to a purified feedstock outlet. A catalyst is located within the reactor vessel and in fluid communication with the purified feedstock outlet of the basket for contacting the purified feedstock to form a desired product.Type: GrantFiled: April 20, 2021Date of Patent: March 21, 2023Assignee: Duke Technologies, LLCInventors: Michael D. Ackerson, Michael Steven Byars
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Patent number: 11607663Abstract: A strengthening oxidation system of the external micro-interfacial unit for producing PTA with PX is provided, including: a reactor, a circulating heat exchange device and a micro-interfacial unit. The reactor includes an outer casing and an inner cylinder disposed concentrically inside the outer casing. The circulating heat exchange device is disposed at an exterior of the reactor, and is connected with the outer casing and the inner cylinder respectively, for regulating reaction temperatures of the first reaction zone, the second reaction zone and the third reaction zone inside the reactor in a reaction process of producing PTA with PX.Type: GrantFiled: May 28, 2020Date of Patent: March 21, 2023Assignee: NANJING YANCHANG REACTION TECHNOLOGY RESEARCH INSTITUTE CO., LTD.Inventors: Zhibing Zhang, Zheng Zhou, Feng Zhang, Lei Li, Weimin Meng, Baorong Wang, Gaodong Yang, Huaxun Luo, Guoqiang Yang, Hongzhou Tian, Yu Cao
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Patent number: 11607656Abstract: A fixed-bed multi-tubular reactor for producing an alkenyl acetate by a gas phase catalytic oxidation reaction of a lower olefin, acetic acid and oxygen including a plurality of reaction tubes, a thermometer protection tube inserted into at least one of the plurality of reaction tubes, a thermometer inserted into the thermometer protection tube, and a shield disposed above the reaction tube into which the thermometer protection tube is inserted and attached to the thermometer protection tube, wherein an effective projection region of the shield entirely covers the inlet opening of the reaction tube into which the thermometer protection tube is inserted.Type: GrantFiled: October 28, 2020Date of Patent: March 21, 2023Assignee: SHOWA DENKO K.K.Inventors: Yasuhiro Iwama, Maiko Ikushima, Kazuki Umehara, Mitsuru Tanaka, Toshiyuki Maki
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Patent number: 11608266Abstract: A method for producing hydrogen includes flowing a first gas along a bayonet flow path of a steam methane reformer (SMR) to produce a first product, including flowing the first gas through a foam disposed along the bayonet flow path; providing the first product produced in the SMR to an input of a water gas shift (WGS) reaction channel defined within a reaction tube of a WGS reactor; and flowing a second gas including the first product through the WGS reaction channel to produce a second product. Flowing the second gas includes flowing the second gas across a heat transfer material disposed in the WGS reaction channel to reduce the temperature of the flowing second gas; and flowing the second gas across a WGS catalyst disposed in the reaction channel.Type: GrantFiled: March 17, 2020Date of Patent: March 21, 2023Assignee: BAYOTECH, INC.Inventors: Robert Charles Moore, Herbert Lee Nigg, Millicent Capstaff, Viswanath Krishnamoorthy, Ranko P. Bontchev