Patents Examined by Wojciech Haske
  • Patent number: 11912590
    Abstract: A redox-active compound is disclosed that is the reaction product of an electron-withdrawing monomer, a cross-linker, and a redox-active moiety. The cross-linker may be connected to the redox-active moiety through the electron-withdrawing functional group. The redox-active compound has a reduced form and an oxidized form and neither the reduced form nor the oxidized form is decomposed by oxygen. The redox-active compound may be used to create a pH gradient in a fluid stream. A redox-active composition may include the redox-active compound, a binder, and a current collector. The redox-active composition may be part of a membraneless electrochemical cell.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: February 27, 2024
    Inventor: Eugene S. Beh
  • Patent number: 11905612
    Abstract: In a plating method for mounting a tubular workpiece having openings at both ends in an axial direction thereof on a power feeding clip and immersing the tubular workpiece in a circulated plating solution to plate the tubular workpiece, the mounting of the tubular workpiece on the power feeding clip is performed by inserting the power feeding clip into the tubular workpiece from one of the openings of the tubular workpiece. The power feeding clip is configured by a folded metal plate, and includes a plurality of elastic contact pieces that can elastically contact the inner surface of the tubular workpiece to hold the tubular workpiece and supply power to the tubular workpiece, and a restraining part that is located inside the tubular workpiece and restrains flow of the plating solution in the axial direction.
    Type: Grant
    Filed: July 7, 2022
    Date of Patent: February 20, 2024
    Inventors: Takeharu Naito, Osamu Hashiguchi, Yumiko Kobori, Akifumi Nakamura, Yosuke Honda, Masanori Takahashi
  • Patent number: 11905607
    Abstract: The present disclosure provides a pure-H2O-fed membrane-electrode assembly (MEA) electrolysis system for electrocatalytic CO2 reduction (ECO2R) to ethylene (C2H4) and C2+ compounds under an industrial applicable continuous flow condition with at least 1000-hour lifetime, and fabrication method thereof.
    Type: Grant
    Filed: June 9, 2022
    Date of Patent: February 20, 2024
    Inventors: Xiaojie She, Shu-Ping Lau
  • Patent number: 11905614
    Abstract: A terminal material having a base material in which at least a surface is made of Cu or Cu alloy; an Ni layer with at thickness of 0.1 ?m to 1.0 ?m inclusive on the base material; a Cu—Sn intermetallic compound layer with a thickness of 0.2 ?m to 2.5 ?m inclusive on the Ni layer; and an Sn layer with a thickness of 0.5 ?m to 3.0 ?m inclusive on the Cu—Sn intermetallic compound layer, when cross sections of the Cu—Sn intermetallic compound layer and the Sn layer are analyzed by the EBSD method with a measuring step 0.1 ?m and a boundary in which misorientation between adjacent pixels is 2° or more is deemed to be a crystal boundary, an average crystal grain size Dc of the Cu—Sn intermetallic compound layer is 0.5 ?m or more, and a grain size ratio Ds/Dc is five or less.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: February 20, 2024
    Inventors: Naoki Miyashima, Kazunari Maki, Shinichi Funaki, Seiichi Ishikawa
  • Patent number: 11898259
    Abstract: The present invention is related to the electrochemical conversion of CO2 and provides the use of Gas Diffusion Electrode with an aprotic solvent in such conversion of CO2 as well as an electrochemical cell for use in such conversion. The application and electrochemical cell as herein provided are particularly useful in the conversion of CO2 into oxalate/oxalic acid.
    Type: Grant
    Filed: November 27, 2020
    Date of Patent: February 13, 2024
    Assignee: Vito NV
    Inventors: Maximilian Konig, Metin Bulut, Jan Vaes, Elias Klemm, Deepak Pant
  • Patent number: 11898265
    Abstract: Disclosed is a method for preparing a carbon material, comprising applying a voltage to an electrically conductive medium to form an electrically conductive path in an oxygen-free environment containing a carbon source and a catalyst to obtain the carbon material, wherein the electrically conductive medium includes a solid substrate or a liquid-phase electrically conductive system; under the condition that the electrically conductive medium is the liquid-phase electrically conductive system, the carbon material is obtained in the liquid-phase electrically conductive system; and under the condition that the electrically conductive medium is the solid substrate, the carbon material is obtained on a surface of the solid substrate.
    Type: Grant
    Filed: March 15, 2022
    Date of Patent: February 13, 2024
    Assignee: Qingdao University of Science & Technology
    Inventors: Yan He, Dianming Chu, Wenjuan Bai, Qianpeng Dong
  • Patent number: 11901659
    Abstract: Providing a terminal material for connectors provided with a base material in which at least a surface layer is made of copper or copper alloy, a nickel-plating layer made of nickel or nickel alloy coating a surface of the base material, and a silver-nickel alloy plating layer formed on at least a part of the nickel-plating layer, the silver-nickel alloy plating layer having a film thickness of 0.5 ?m to 20 ?m inclusive, a nickel content of 0.03 at % to 1.20 at % inclusive, and an average crystal grain size of 10 nm to 150 nm inclusive, to improve abrasion resistance and heat resistance.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: February 13, 2024
    Inventors: Yoshie Tarutani, Kenji Kubota
  • Patent number: 11879182
    Abstract: The tin alloy plating solution of the present invention includes (A) a soluble salt including at least a stannous salt, (B) a soluble salt of a metal nobler than tin, (C) an alkane sulfonic acid including 9 to 18 carbon atoms in a molecule or a salt thereof, (D) a non-ionic surfactant including one or more phenyl groups in a molecule, and (E) a leveling agent.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: January 23, 2024
    Inventor: Koji Tatsumi
  • Patent number: 11879181
    Abstract: Provided is an electroplating solution of tin or a tin alloy in which the thickness variation of wafer bumps is maintained at a low level even in various changes of plating conditions and thus the mass productivity is improved. The electroplating solution of tin or a tin alloy may include tin ions as metal ions, a conductive salt, a carboxylic acid as a structure refiner, and a combination of a flavone compound and a quaternary ammonium compound as a thickness variation improving agent.
    Type: Grant
    Filed: September 26, 2022
    Date of Patent: January 23, 2024
    Assignee: HOJIN PLATECH CO., LTD.
    Inventors: Woon Suk Jung, Jong Uk Kim, Jin Gyu Lee
  • Patent number: 11873568
    Abstract: A copper electroplating solution comprising a copper salt, a source of halide ions, and a linear or branched polyhydroxyl. The copper electroplating solution is used to deposit copper having a high density of nanotwinned columnar copper grains on a substrate. The linear or branched polyhydroxyl may comprise a reaction product between 2,3-epoxy-1-propanol and aminic alcohol or ammonium alcohol.
    Type: Grant
    Filed: June 7, 2022
    Date of Patent: January 16, 2024
    Assignee: MacDermid Enthone Inc.
    Inventors: Kyle M. Whitten, Stephan I. Braye, Jianwen Han, Pingping Ye, Thomas B. Richardson, Elie H. Najjar
  • Patent number: 11873566
    Abstract: A method of electrochemical reduction of CO2 includes the use of a catalyst of Cu/Cu2O particles including Cu/Cu2O interfaces. The catalyst may be included in an electrochemical cell for the conversion of CO2 to value-added products. The electrochemical cell may include an anode, a cathode including the Cu/Cu2O particles including Cu/Cu2O interfaces, and an aqueous medium containing CO2 or CO3?2. The CO2 or CO3?2 is reduced by contacting the Cu/Cu2O particles with the aqueous medium while supplying electricity to the cell. The conversion of CO2 by the electrochemical reduction thereof has higher Faradaic Efficiency due to the Cu/Cu2O interfaces in the Cu/Cu2O particles.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: January 16, 2024
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Gugang Chen, Yi Rao, Xia Li
  • Patent number: 11866839
    Abstract: A process for making a carbon nanotube structure includes forming a composite by depositing or growing carbon nanotubes onto a metal substrate, and infusing the carbon nanotubes. In other aspects, a method of making a wire, includes coating carbon nanotubes on a wire, and electroplating the carbon nanotubes. In still other aspects, a method of making a conductor includes growing or depositing vertically aligned carbon nanotubes on a sheet. Yet still, a method of making a cable includes forming multiple composite wires, each composite wire formed by depositing or growing carbon nanotubes onto a metal substrate, and performing a metal infusion of the carbon nanotubes. The method also comprises combining multiple finished composite wires or objects to make large cables or straps.
    Type: Grant
    Filed: July 15, 2022
    Date of Patent: January 9, 2024
    Inventors: Paul Kladitis, Brian Rice, Lingchuan Li
  • Patent number: 11846036
    Abstract: The present invention relates to an electrolyte and to a method for the electrolytic deposition of silver coatings and silver alloy coatings. The electrolyte according to the invention is cyanide-free, storage-stable and ensures the deposition of high-gloss, brilliant and white silver and silver alloy layers for technical and decorative applications.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: December 19, 2023
    Assignee: Umicore Galvanotechnik GmbH
    Inventors: Sascha Berger, Klaus Bronder, Mario Tomazzoni, Uwe Manz
  • Patent number: 11840771
    Abstract: Described herein is an aqueous composition including tin ions and at least one compound of formula I wherein X1 is selected from a linear or branched C1-C12 alkanediyl, which may optionally be interrupted by O or S or a C5 to C12 aromatic moiety, R11 is a copolymer of ethylene oxide and a further C3 to C6 alkylene oxide, wherein the content of ethylene oxide is from 5 to 30% by weight, R11 is selected from H, R11, R40, R13, R14 are (a) independently selected from H, R11, R40, or (b) may together form a divalent group X13; X13 is selected from a linear or branched C1-C12 alkanediyl, which may optionally be interrupted by O, S or NR43; R40 is H or a linear or branched C1-C20 alkyl, R43 is selected from H, R11 and a linear or branched C1-C20 alkyl.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: December 12, 2023
    Assignee: BASF SE
    Inventors: Alexander Fluegel, Marco Arnold, Nadine Engelhardt, Marcel Patrik Kienle
  • Patent number: 11827995
    Abstract: The present invention provides an in-situ method for synthesizing a Ni—W—WC composite coating, which includes the following steps: immersing a carbon steel substrate to be coated in an electroplating solution and electroplating, to obtain a Ni—W—C alloy coating on the surface of the carbon steel substrate; and then subjecting the alloy coating to high temperature heat treatment to obtain the Ni—W—WC composite coating. The electroplating solution comprises the following components: a nickel salt, a tungstate, citric acid, a citrate, a recarburizer, and a wetting agent. The present invention shows merits of simple operation, high current efficiency, simple electroplating process, and is clean and causes no pollution, thus meeting the requirements of environment protection.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: November 28, 2023
    Inventors: Huihua Wang, Yingjun Xu, Shizhan Sheng, Deyong Wang, Tianpeng Qu, Jun Tian, Dong Hou, Xianglong Li, Shaoyan Hu
  • Patent number: 11828754
    Abstract: A modified electrode, manufacturing method thereof and use thereof are provided. The manufacturing method includes steps of: mixing a carbon nanomaterial with 2,2?-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid), followed by drop-casting on a screen-printed carbon electrode, to obtain carbon material modified electrodes; and electrochemically pre-treating the carbon material modified electrodes by cyclic voltammetry technique, constant potential technique, or constant current technique to obtain a modified electrode. 3-Ethyl-6-sulfonate benzothiazolinone imine and 3-ethyl-6-sulfonate benzothiazolone compound are formed on a surface of the modified electrode, and the modified electrode is used for protein analysis, protein immobilization and related biosensor, electrochemical catalysis or biofuel cells.
    Type: Grant
    Filed: August 18, 2022
    Date of Patent: November 28, 2023
    Inventors: Chia-yu Lin, Shu-yu Lin, Yi-hsuan Lai, Shih-ching Huang, Tzu-hsuan Wang, Ting-rong Ko
  • Patent number: 11821099
    Abstract: An electrode for electrolytic fluorination contains nickel as a base material with a fluorine content <1,000 ppm. Preferably, in at least a surface portion thereof, the nickel content ?99 mass %, the iron content ?400 ppm, the copper content ?250 ppm, and the manganese content ?1,000 ppm. A method for producing an electrode includes arranging a nickel base material electrode in a nickel plating bath as a cathode, and applying nickel plating to the nickel base material electrode by electrolytic nickel plating, the method including (1) using, as an anode, a nickel component deposited on a cathode, or a nickel component that has settled in a molten salt, in a process of producing nitrogen trifluoride by molten salt electrolysis using a nickel base material anode, or the nickel base material anode; or (2) using, as the cathode, the nickel base material anode.
    Type: Grant
    Filed: August 31, 2022
    Date of Patent: November 21, 2023
    Inventor: Kimitaka Okubo
  • Patent number: 11807949
    Abstract: Electrolyzer for catholyte production comprises an inner hollow cylindrical anode, an outer cylindrical cathode, and a diaphragm interposed between them. The length of the working part of the anode is at most 2 to 6 times the outer diameter of the anode. The inner hollow anode is made of one or two sections, the sections being connected to each other by a flow dielectric cylindrical sleeve having a diameter not larger than the outer diameter of the anode. The inner hollow anode has openings for introduction of water into inner cavity of the anode and openings for discharge of water at opposite ends of diameters of the anode lid. The electrolyzer for catholyte production operates in a horizontal position because outlet openings of the anode lid are located at the ends of the diameter of the anode lid, close to the outlet openings of the electrolyzer lid facing vertically upwards.
    Type: Grant
    Filed: June 28, 2022
    Date of Patent: November 7, 2023
    Inventor: Valeri Iltsenko
  • Patent number: 11802063
    Abstract: A method of operating an electrochemical cell including introducing an aqueous solution into the electrochemical cell, applying a current across an anode and a cathode to produce a product, monitoring the voltage, dissolved hydrogen, or a condition of the aqueous solution, and applying the current in a pulsed waveform responsive to one of the measured parameters is disclosed. An electrochemical system including an electrochemical cell including an anode and a cathode, a source of an aqueous solution having an outlet fluidly connectable to the electrochemical cell, a sensor for measuring a parameter, and a controller configured to cause the anode and the cathode to apply the current in a pulsed waveform responsive to the parameter measurement is disclosed. Methods of suppressing accumulation of hydrogen gas within the electrochemical cell are also disclosed. Methods of facilitating operation of an electrochemical cell are also disclosed.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: October 31, 2023
    Assignee: Evoqua Water Technologies LLC
    Inventors: George Gu, Simon Paul Dukes, Joshua Griffis, Michael Shaw
  • Patent number: 11794449
    Abstract: A surface-treated steel sheet of the present invention includes a base steel sheet and a Ni—Co—Fe alloy-plated layer on at least one surface of the base steel sheet, in which, in the alloy-plated layer, a Ni coating weight is 7.1 to 32.5 g/m2, a Co coating weight is 0.65 to 5.2 g/m2, and a total of the Ni coating weight and the Co coating weight is in a range of 9.0 to 35.0 g/m2. In an outermost layer of the alloy-plated layer, a Co concentration is in a range of 20 to 60 atom %, and a Fe concentration is in a range of 5 to 30 atom %. In the alloy-plated layer, a region having a thickness of 2 ?m or more, in which a total of a Ni concentration and the Co concentration is 10 atom % or more and the Fe concentration is 5 atom % or more, is present, and the base steel sheet has a predetermined chemical composition, and a ferrite grain size number is 9.0 or more.
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: October 24, 2023
    Inventors: Takehiro Takahashi, Mamoru Saito, Kiyokazu Ishizuka, Yasuto Goto