Patents Examined by Huy-Tram Nguyen
  • Patent number: 12290769
    Abstract: The present disclosure relates to a diester-based material production unit including a reaction device in which an esterification reaction of dicarboxylic acid and a primary alcohol is performed, a column in which the gas-liquid separation of the primary alcohol and the water introduced is performed, a heat exchanger installed on a gas phase line of the column to remove heat of the gas phase line, a flash drum in which separation of a liquid phase and a gas phase is performed in the mixture stream including the primary alcohol and the water, a condenser installed on the flash drum upper line, and a layer separator in which the layer separation of a mixture of a liquefied primary alcohol and water into an organic layer and an aqueous layer is performed, wherein one or more lines through which recirculated primary alcohol from the flash drum and the layer separator flows are connected to an upper portion of the column.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: May 6, 2025
    Assignee: LG Chem, Ltd.
    Inventors: Jae Hun Jeong, Sung Kyu Lee, Yeon Uk Choo, Hyoung Jun, Hyun Kyu Kim, Chan Hyu Jin, Jin Sung Park
  • Patent number: 12285752
    Abstract: A double fluidized bed reactor system including a staircase-type helical blade is proposed. The system includes a bubbling fluidized bed gasification furnace for receiving fuel (for example, combustible waste and biomass) and steam, forming a bubbling fluidized bed through a flow of flow medium therein, and gasifying the fuel, thereby generating a resultant gas, and a high-speed fluidized bed combustion furnace for receiving char of the resultant gas and the flow medium from the bubbling fluidized bed gasification furnace, additionally receiving air, combusting the char so as to heat the flow medium, and transferring the heated flow medium back to the bubbling fluidized bed gasification furnace.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: April 29, 2025
    Inventor: Kuk Hyun Kyung
  • Patent number: 12280354
    Abstract: The invention relates to a device, stacked plate reactor and to a method for investigating chemical processes to be carried out simultaneously or almost at the same time on a large number of functional element variations of the process parameters.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: April 22, 2025
    Assignee: HTE GMBH THE HIGH THROUGHPUT EXPERIMENTATION COMPANY
    Inventors: Andreas Mueller, III, Michael Dejmek, Oliver Puettmann, Alexander Higelin, Fabian Schneider, Guido Wasserschaff
  • Patent number: 12280352
    Abstract: Provided is a continuous stirred tank reactor for an aldol condensation reaction and an apparatus for an aldol condensation reaction including the same, which prevent a decrease in a conversion rate due to dead zone occurrence even in the case of an increase of an installation scale, have a high output, have a significantly increased reaction surface area during the reaction, suppress layer separation between an aqueous phase and an organic phase, and have a significantly decreased average particle diameter of organic layer particles dispersed in the aqueous phase and a significantly decreased deviation thereof. In addition, a content of the catalyst used per unit yield may be significantly decreased as compared with the conventional reactor and apparatus, and costs required for wastewater treatment may be significantly reduced as compared with the conventional reactor and apparatus.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: April 22, 2025
    Assignee: HANWHA SOLUTIONS CORPORATION
    Inventors: Shinbeom Lee, Hyojin Jeon, Gyeongseon Jeong, Keedo Han, Junhee Han
  • Patent number: 12281264
    Abstract: Disclosed is a method and a device for purification and desulfurization of liquid hydrocarbons, which, compared to sodium dispersion desulfurizing processes like already been disclosed, open up additional fields of application and greatly improves economy and achievable results.
    Type: Grant
    Filed: June 20, 2024
    Date of Patent: April 22, 2025
    Assignee: Ecofuel Technologies LTD
    Inventor: Thomas Andreas Guenther
  • Patent number: 12263458
    Abstract: The present disclosure provides a chemical solution preparation system and method. The chemical solution preparation system includes: a first mixing system, configured to mix a first chemical solution and a first diluent to obtain a first mixture; a second mixing system, configured to mix a second chemical solution and a second diluent to obtain a second mixture; a third mixing system, configured to mix the first mixture, the second mixture, and a third diluent to obtain a third mixture; an output system, configured to output the third mixture to a spray apparatus of the chemical mechanical polishing device; a sampling system, configured to collect a sample of the third mixture output from the output system; and a monitoring system, configured to monitor a status of the first mixture, a status of the second mixture, and a status of the third mixture.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: April 1, 2025
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Po-Chang Tseng, Chang-Yi Tsai
  • Patent number: 12246296
    Abstract: A depolymerization system with a tube-wound heat exchanger (4) comprises a heat exchange device for heating a material, having a material output; a gas-liquid separation device (1) having an inlet and a gas output, connected to the material output of the heat exchange device; and a depolymerization device (2) connected to the gas output of the gas-liquid separation device (1); the heat exchange device comprises at least one tube-wound heat exchanger (4). The depolymerization rate is greatly improved and the service period of the whole depolymerization system can be greatly improved.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: March 11, 2025
    Assignee: Zhenhai Petrochemical Jianan Engineering Co., Ltd.
    Inventors: Jiang Tao, Xianan Zhang, Jianliang Wang, Xingmiao Hu, Li Wang, Lijun Wu, Chenyang Huang
  • Patent number: 12239969
    Abstract: The present disclosure relates to a device for directing a coking-prone liquid to a high temperature environment, where the device includes an inner tube positioned concentrically within an outer tube, creating a first annular space between an outer wall of the inner tube and an inner wall of the outer tube and a first intermediate tube positioned concentrically around the outer tube, creating a second annular space.
    Type: Grant
    Filed: May 10, 2022
    Date of Patent: March 4, 2025
    Assignee: Alliance for Sustainable Energy, LLC
    Inventors: Kimberly A. Magrini, Michael William Sprague, Zia Abdullah, Jessica L. Olstad-Thompson, Reinhard Seiser
  • Patent number: 12226764
    Abstract: A catalyst carrier for insertion in a reactor tube of a tubular reactor, said catalyst carrier comprising: a container for holding catalyst in use, said container having a bottom surface closing the container, and a top surface; a carrier outer wall extending from the bottom surface to the top surface; a seal extending from the container by a distance which extends beyond the carrier outer wall; said carrier outer wall having apertures located below the seal.
    Type: Grant
    Filed: July 28, 2023
    Date of Patent: February 18, 2025
    Assignee: Johnson Matthey Davy Technologies Limited
    Inventor: Julian Gray
  • Patent number: 12226749
    Abstract: A fluid-bed granulator system with adjustable cooling includes a fluid-bed granulator. A first cooler is externally connected to the fluid-bed granulator or forms an internal part of the fluid-bed granulator. A product screen is connected to the first cooler and the fluid-bed granulator. The product screen includes an exit for final on-size product particles, an exit for oversized particles, and an exit for undersized particles. The exit for the undersized particles is connected to the fluid-bed granulator and the exit for the oversized particles is connected to the fluid-bed granulator via one or more crushers. A recycle cooler is located and connected between the fluid-bed granulator and the exit for undersized particles and/or the recycle cooler is located between the fluid-bed granulator and the exit for the oversized particles. The recycle cooler is connected to the fluid-bed granulator via one or more recycle inlets.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: February 18, 2025
    Assignees: thyssenkrupp Fertilizer Technology GmbH, thyssenkrupp AG
    Inventors: Harald Franzrahe, Rositsa Marianova Rieks
  • Patent number: 12209063
    Abstract: Processes for removing carbon disulfide from product streams containing a sulfide compound are performed by contacting the product stream with an alkanolamine and converting the carbon disulfide to a higher boiling point product, thereby reducing or eliminating carbon disulfide from the product stream. Subsequent removal of the higher boiling point product via distillation can lead to a purified sulfide stream with high purity.
    Type: Grant
    Filed: November 14, 2023
    Date of Patent: January 28, 2025
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Kenneth M. Lassen, Michael S. Matson, Daniel M. Hasenberg, Dave C. Schwierman
  • Patent number: 12195334
    Abstract: Systems of producing hydrogen and biochar from biomass assisted by iron and steel slag extract include: a pretreatment system that the reactants, including the biomass, iron-based catalyst and alkaline reagent, are pretreated and fully mixed at specific ratios in the pretreatment system; thermal reactor that the mixed reactants from the pretreatment device are transferred into and fully reacted in the thermal reactor; a solid residue collector that the solid residue is collected by the solid residue collector at the discharge outlet of the thermal reactor after the reacted mixture is separated; a gas collection system that he generated hydrogen-based gas is collected by the gas collection system from the exhaust port of the thermal reactor.
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: January 14, 2025
    Assignee: GREENORE HOLDING CO.
    Inventors: Xiaozhou Zhou, Huangjing Zhao
  • Patent number: 12186725
    Abstract: The disclosure pertains to a high pressure carbamate condensation apparatus for a urea plant, a urea plant, and a urea production method. The apparatus comprises a first U-shaped tube bundle arranged around a second U-shaped tube bundle.
    Type: Grant
    Filed: May 12, 2023
    Date of Patent: January 7, 2025
    Assignee: Stamicarbon B.V.
    Inventors: Rahul Patil, Lambertus Wilhelmus Gevers, Markus Theodorus Marie Michaël Wagemans
  • Patent number: 12187619
    Abstract: In one embodiment, an anhydrous hydrogen fluoride generator vessel (also referred to herein as the “AHF generator vessel”) is provided. In several embodiments, an AHF generator vessel may include a container assembly, one or more shelves, and a center pipe assembly. The container assembly may include a lid assembly that may be removably coupled to the wall, and one or more feet. The center pipe assembly may include a base adapter, a center pipe, and a bottom adapter. In one embodiment, sodium bifluoride is loaded onto the one or more shelves which are positioned perpendicular to the center pipe and stacked upon one another. An external heat source may provide the heat to the vessel to thermally degrade the sodium bifluoride into HF and sodium fluoride (NaF). In various embodiments, the HF may be carried by a carrier gas out of the AHF generator vessel via the lid assembly.
    Type: Grant
    Filed: August 23, 2022
    Date of Patent: January 7, 2025
    Assignee: Abilene Christian University
    Inventors: Aaron Robison, Ronald Laehn, Dakotah Martinez
  • Patent number: 12186729
    Abstract: The present disclosure relates to a preparation system and a preparation method of a diester-based composition. A first alcohol which is a reaction raw material is added to waste water as an extracting agent, and layer separation is performed to separate a second alcohol which is another reaction raw material in the waste water. Accordingly, the amount of alcohol discharged as waste water can be reduced, and an eco-friendly process operation is possible. In addition, it is economical and efficiency to use the alcohol separated again as a reaction raw material.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: January 7, 2025
    Assignee: LG Chem, Ltd.
    Inventors: Yeon Uk Choo, Sung Kyu Lee, Joon Ho Shin, Hyoung Jun, Chan Hyu Jin
  • Patent number: 12171897
    Abstract: A sterilization and air purification control system and a mounting structure of a waste disposer include a bottom mounting housing and a disposer main machine and a sterilization module. The sterilization module includes an ozone generator driver, a negative oxygen ion generator and an exhaust mechanism. The bottom mounting housing is an accommodating housing and is detachably mounted at a bottom portion of the disposer main machine, an outer edge of the bottom mounting housing is provided with a light strip, the exhaust mechanism is fixedly connected to an inside of one side surface of the bottom mounting housing, and the exhaust mechanism communicates with inner and outer sides of the bottom mounting housing.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: December 24, 2024
    Assignee: Zhejiang Rosun Kitchen & Bath Technology Co., Ltd.
    Inventors: Jin Zhang, Yu Zhang
  • Patent number: 12163118
    Abstract: A continuous flow reactor having a plurality of interwoven flow paths in fluid communication to form a single continuous flow reactor tube having a single flow path.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: December 10, 2024
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Raquel Orozco, Jonathan Coffman, Stephanie Parker, Natira Gnat Matthews
  • Patent number: 12157104
    Abstract: A reactor system including a plurality of catalytic modules connected end-to-end, forming a passage for reactants to pass through individually heated catalytic heating elements, thereby producing products. Each catalytic module has an insulating housing containing a catalytic heating element and configured to pass reactants over the catalytic heating element. A conductor in the module applies electricity to the catalytic heating element, which operates as a combined catalytic material and heating element.
    Type: Grant
    Filed: October 13, 2023
    Date of Patent: December 3, 2024
    Assignee: Lydian Labs, Inc.
    Inventor: Branko Zugic
  • Patent number: 12152203
    Abstract: The present invention generally relates to improved catalysts that provide for reduced product contaminants, related methods and improved reaction products. It more specifically relates to improved direct fuel production and redox catalysts that provide for reduced levels of certain oxygenated contaminants, methods related to the use of those catalysts, and hydrocarbon fuel or fuel-related products that have improved characteristics. In one aspect, the present invention is directed to a method of converting one or more carbon-containing feedstocks into one or more hydrocarbon liquid fuels. The method includes the steps of: converting the one or more carbon-containing feedstocks into syngas; and, converting the syngas to one or more hydrocarbons (including liquid fuels) and a water fraction. The water fraction comprises less than 500 ppm of one or more carboxylic acids.
    Type: Grant
    Filed: April 18, 2022
    Date of Patent: November 26, 2024
    Assignee: Greyrock Technology, LLC
    Inventors: Robert Schuetzle, Dennis Schuetzle
  • Patent number: 12138612
    Abstract: A fluid treatment device with a new configuration is provided. The fluid treatment device is provided with an upstream treatment unit defined by treatment surfaces that rotate relative to each other, and a downstream treatment unit arranged downstream of the upstream treatment unit. The upstream treatment unit is configured such that, by passing the fluid to be treated into an upstream treatment space defined by the treatment surfaces, the fluid to be treated is subjected to upstream treatment. The downstream treatment unit is provided with a downstream treatment space which performs the function of retaining and mixing the fluid to be treated by means of a labyrinth seal. An upstream outlet of the fluid to be treated from the upstream treatment unit opens into the downstream treatment space, and the downstream treatment space is configured to use the labyrinth seal to perform the function of controlling retention time.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: November 12, 2024
    Assignee: M. TECHNIQUE CO., LTD.
    Inventor: Masakazu Enomura