Patents Examined by Alexander W Keeling
  • Patent number: 11447881
    Abstract: To provide an ion exchange membrane for alkali chloride electrolysis for which membrane strength is increased while membrane resistance is reduced to reduce electrolysis voltage during alkali chloride electrolysis and which prevents peeling between layers (S) and a layer (C). The ion exchange membrane for alkali chloride electrolysis comprises a layer (C) which comprises a fluorinated polymer having carboxylic acid functional groups, at least two layers (S) which comprise a fluorinated polymer having sulfonic acid functional groups, and a reinforcing material, wherein the layers (S) include a layer (Sa) and a layer (Sb), the layer (Sa) is a layer which is adjacent to the layer (C), the layer (Sb) is a layer which is not adjacent to the layer (C), the reinforcing material is disposed in the layer (Sb) substantially in parallel to the layer (Sb) in a state not in contact with the layer (Sa), and the ion exchange capacity of the layer (Sa) is lower than the ion exchange capacity of the layer (Sb).
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: September 20, 2022
    Assignee: AGC Inc.
    Inventors: Yasushi Yamaki, Takayuki Kaneko, Hiromitsu Kusano, Takuo Nishio, Kazuo Umemura
  • Patent number: 11441230
    Abstract: A method of synthesizing a disulfide compound is provided. The method may include providing an electrochemical cell that has a compartment, an anode, and a cathode. The compartment may contain a solution of one or more thiol compounds, a catalyst, and a solvent. The method may also include providing an electrical current to the electrochemical cell and converting the one or more thiol compounds into the disulfide compound.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: September 13, 2022
    Assignee: ChampionX USA Inc.
    Inventors: Ryan Matthew Harrington, Yingrui Zhang
  • Patent number: 11441232
    Abstract: A one dimensional (1D) nanoarray of SnO nanostructures on a substrate is disclosed. The nanostructures of SnO have diameters of 200 nm-1 ?m and lengths of 500 nm-3 ?m, and are attached to and substantially perpendicular to the substrate. The one-dimensional nanoarray may have a nanostructure density of 220-300 nanostructures per 100 ?m2 substrate and a band gap energy of 2.36-2.46 eV. The one-dimensional nanoarray may be formed by anodization of Sn foil in an electrochemical cell subjected to a voltage of 15-25 V for 1-3 hours at room temperature. The formed one-dimensional nanoarray may be used for the photo-electrochemical decomposition of water into O2 and H2.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: September 13, 2022
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Ahsanulhaq Qurashi, Muhammad Raashid, Ibrahim Khan
  • Patent number: 11434337
    Abstract: To provide an ion exchange membrane for alkali chloride electrolysis which has a low membrane resistance and which is capable of reducing the electrolysis voltage during the alkali chloride electrolysis, while increasing the membrane strength. An ion exchange membrane 1 for alkali chloride electrolysis wherein a reinforcing material 20 obtained by weaving with reinforcing yarns 22 and sacrificial yarns 24 is embedded in a fluoropolymer having ion exchange groups, the ion exchange membrane 1 comprises elution holes (28) formed by eluting at least a portion of a material of the sacrificial yarns 24, and in a cross section perpendicular to the length direction of the yarns, the total area (S) obtained by adding the cross-sectional area of an elution hole 28 and the cross-sectional area of a sacrificial yarn 24 remaining in the elution hole 28 is from 500 to 1,200 ?m2, and the number (n) of elution holes 28 between adjacent reinforcing yarns 22 is at least 10.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: September 6, 2022
    Assignee: AGC Inc.
    Inventors: Takayuki Kaneko, Hiromitsu Kusano, Yasushi Yamaki, Takuo Nishio
  • Patent number: 11427483
    Abstract: An electrode for an electrochemical cell is presented which comprises a substrate and an electrode material. The electrode material comprises an electrocatalyst and a solid glass phase which binds the electrocatalyst to the substrate. The electrodes of the invention are durable and can be produced by a much simpler, faster technique than is required for preparing conventional electrodes and can incorporate a wider range of electrocatalytic materials.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: August 30, 2022
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Daniel Charles Howard Oakes, Christopher Mark Zalitis
  • Patent number: 11427920
    Abstract: An electrolytic processing jig configured to perform an electrolytic processing on a processing target substrate by using a processing liquid supplied to the processing target substrate includes a base body having a flat plate shape; and a direct electrode provided on a front surface of the base body and configured to be brought into contact with the processing liquid to apply a voltage between the processing target substrate and the direct electrode. An irregularity pattern is formed on a front surface of the electrolytic processing jig at a processing target substrate side.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: August 30, 2022
    Inventors: Tomohisa Hoshino, Masato Hamada, Satoshi Kaneko, Kiyomitsu Yamaguchi
  • Patent number: 11427923
    Abstract: It is configured that a frame body is locked to a back panel by: inserting a number of first pins of the frame body into a number of first holes of the back panel; moving a fastening body outward by a moving mechanism of a lock mechanism; and fitting a notch into a concave portion at the tip of the first pin.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: August 30, 2022
    Assignee: C. Uyemura & Co., Ltd.
    Inventor: Tomoji Okuda
  • Patent number: 11408084
    Abstract: A thin film electrode involving a nanostructured catalytic material deposited onto a surface of a conducting substrate and method of making is described. The nanostructured catalytic material contains cobalt oxide nanoflowers having a central core and nanopetals extending from the central core. The method of making the thin film electrode involves contacting the conducting substrate with an aerosol containing a cobalt complex and a solvent. A method of using the thin film electrode in an electrochemical cell for water splitting is also provided.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: August 9, 2022
    Inventors: Muhammad Ali Ehsen, Abbas Saeed Hakeem, Abdul Rehman
  • Patent number: 11390961
    Abstract: A system and a method for prevention of adhesion of marine organisms to a substrate contacted with seawater are provided. The system comprises a generator (120, 220) for producing an electrical signal (150) operating in desirable frequencies in which the marine organisms can be chased or killed, said generator (120, 220) having at least two output connectors (122, 124, 222, 224), means for oscillating and propagating the electrical signal (150) along a surface of the substrate, said means being adapted to make electrical connection with the at least two output connectors (122, 124, 222, 224) of the generator (120, 220) and being submerged in seawater, and an electric power source (110, 210) connected to the generator (122, 124, 222, 224) for applying a selected voltage to the generator (122, 124, 222, 224) to produce the electrical signal (150).
    Type: Grant
    Filed: June 21, 2016
    Date of Patent: July 19, 2022
    Assignee: Sembcorp Marine Repairs & Upgrades Pte. Ltd.
    Inventor: Hwee Hong Chew
  • Patent number: 11384438
    Abstract: In a method for cathodically protecting and/or passivating a metal section in an ionically conductive material such as steel reinforcement in concrete or mortar, an impressed current or sacrificial anode is mounted on the metal reinforcing bar by attaching a nut member having a female thread to the metal reinforcing bar by elongate flexible wires attached to the nut member so that the nut member and wires encircle the metal reinforcing bar and rotating a threaded rod member carrying the anode body into the female thread so that a forward end of the rod member engages with a front face of the metal reinforcing bar and pulls on the nut member away from the metal reinforcing bar to tension the wrapping wires.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: July 12, 2022
    Inventors: David William Whitmore, Tobias Becker
  • Patent number: 11346010
    Abstract: A method and system for testing a cathodic protection system that protects a metallic structure with one or more DC power sources electrically connected to the metallic structure and an associated reference electrode. A Cathodic Protection Waveform Monitoring Unit (CPWMU) operates independently from power cycling by the cathodic protection system to measure cathodic protection voltage levels by measuring, over one or more measurement time periods, a voltage differential between the metallic structure and its associated reference electrode, a plurality of times when power provided to the metallic structure is cycled on and off. The CPWMU includes digital storage to store values indicative of the measured voltage differentials over the measurement time period. A reader that may be remotely located from any CPWMU communicates with a number of CPWMU's within communication range to obtain the values stored in the CPWMUs.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: May 31, 2022
    Inventors: Darren Lee Miller, Michael William Novakowicz, Haydn Russell Wintersgill
  • Patent number: 11346009
    Abstract: Sacrificial anodes for installing in an ionically conductive medium at an installation site containing metal requiring cathodic protection are formed by locating anode cores in a tray having dividing members defining a row of side by side chambers with each chamber containing a respective one of the anode cores and casting into the receptacle a covering mortar for the anode cores with each anode core receiving a coating at least partly surrounding the anode core with the connecting wire exposed. The mortar is cast to form frangible bridges between each anode and the next. The trays are stacked and transported to the site where the installer separates and individually installs the anodes into the medium.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: May 31, 2022
    Inventor: David William Whitmore
  • Patent number: 11339490
    Abstract: The invention relates to vertical or inclined electrodes of an electrolyzer for electrolytically producing aluminum from aluminum oxide. An electrode contains an electrode base and a surface coating based on refractory ceramics. According to a first variant of the invention, the electrode base is made of a composite material containing between 5% and 90% by mass of refractory ceramics, and of at least one metal having a melting temperature exceeding 1000° C., which forms refractory intermetallic compounds upon interaction with aluminum, and/or containing at least one alloy of such a metal. According to a second variant of the invention, the electrode base is made of a metal alloy, for example structural steel or another alloy, and the surface of the electrode base has applied thereto an intermediary layer consisting of a composite material having the composition described above.
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: May 24, 2022
    Assignee: United Company RUSAL Engineering and Technology Centre LLC
    Inventors: Dmitriy Aleksandrovich Simakov, Aleksandr Olegovich Gusev
  • Patent number: 11339489
    Abstract: Disclosed is a cathode block having a slot geometry, said carbon-based cathode block for an electrolysis cell for the production of aluminium being provided with at least one slot for accommodating at least one cathode bar, said at least one slot having at least one cavity, at least some sections of which extend in the longitudinal direction of the slot and which includes at least one undercut.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: May 24, 2022
    Assignee: Tokai COBEX GmbH
    Inventors: Markus Pfeffer, Florian Pfefferer
  • Patent number: 11339482
    Abstract: A reduction catalyst body for carbon dioxide of an embodiment includes a metal layer, and a projection provided on the metal layer. The projection is constituted of an aggregate of fine metal particles, and possesses a polyhedral structure having surfaces of three faces or more of a polygon. The projection has a site of reducing carbon dioxide, as at least a part of the surfaces.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: May 24, 2022
    Inventors: Yoshitsune Sugano, Akihiko Ono, Jun Tamura, Ryota Kitagawa, Asahi Motoshige, Yuki Kudo, Masakazu Yamagiwa, Takayuki Tsukagoshi, Satoshi Mikoshiba
  • Patent number: 11332837
    Abstract: The invention relates to an electrode material, preferably an inert anode material comprising at least a metal core and a cermet material, characterized in that: said metal core contains at least one nickel (Ni) and iron (Fe) alloy, said cermet material comprises at least as percentages by weight: 45 to 80% of a nickel ferrite oxide phase (2) of composition NixFeyMzO4 with 0.60 ?x?0.90; 1.90?y?2.40; 0.00?z?0.20 and M being a metal selected from aluminum (Al), cobalt (Co), chromium (Cr), manganese (Mn), titanium (Ti), zirconium (Zr), tin (Sn), vanadium (V), niobium (Nb), tantalum (Ta) and hafnium (Hf) or being a combination of these metals, 15 to 45% of a metallic phase (1) comprising at least one alloy of nickel and copper.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: May 17, 2022
    Inventors: Christian Barthelemy, Sylvie Bouvet, Armand Gabriel, Veronique Laurent, Ariane Marmottant
  • Patent number: 11326266
    Abstract: An electrode (10) is disclosed. The electrode (10) comprises an electrode substrate (20). A layer of TiOx (30, 40) with a total thickness in the range of between 40-200 ?m is present on at least one surface of the electrode substrate (20) and a porosity of layer of TiOx (30, 40) is below 15%. An electro-catalytic layer (50) comprising oxides of ruthenium and cerium according comprising at least 50 molar % ruthenium oxides is present on layer of TiOx (30, 40) and wherein x is in the range 1-2 for the layer of TiOx. A process for the manufacture of the electrode (10) is disclosed as are uses thereof.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: May 10, 2022
    Inventors: Magnus Rosvall, Ezio Amerio, John Gustavsson, Susanne Holmin, Lars-Erik Bergman
  • Patent number: 11280019
    Abstract: One embodiment relates to a substrate carrier for use in electroplating a plurality of substrates. The substrate carrier comprises a non-conductive carrier body on which the substrates are to be held. Electrically-conductive lines are embedded within the carrier body, and a plurality of contact clips are coupled to the electrically-conductive lines embedded within the carrier body. The contact clips hold the substrates in place and electrically couple the substrates to the electrically-conductive lines. The non-conductive carrier body is continuous so as to be impermeable to flow of electroplating solution through the non-conductive carrier body. Other embodiments, aspects and features are also disclosed.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: March 22, 2022
    Assignee: SunPower Corporation
    Inventors: Emmanuel Chua Abas, Chen-An Chen, Diana Xiaobing Ma, Kalyana Bhargava Ganti, Edmundo Anida Divino, Jake Randal G. Ermita, Jose Francisco S. Capulong, Arnold Villamor Castillo
  • Patent number: 11248308
    Abstract: A substrate holder prevents a substrate to be bent or damaged owing to inward declining of a seal lip. The substrate holder with an opening includes a seal, and a seal support which has a seal support surface, and is formed on an outer circumference of the opening. The seal includes a seal body and a seal lip. At least a part of the seal support surface has an inclination angle that allows an inner end of the seal support surface to approach the plane on which the substrate is to be positioned. The inner end of the seal support surface is positioned on an inner side than the seal lip.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: February 15, 2022
    Inventors: Shoichiro Ogata, Matsutaro Miyamoto
  • Patent number: 11242603
    Abstract: Various embodiments include an electrolysis method comprising: applying a pulsed voltage or a pulsed current between an anode and a cathode; repeatedly measuring a respective current OCP at the cathode in a zero-current state relative to a reference system; and controlling the pulsed voltage or the pulsed current so a working potential of the cathode in the current-carrying state with respect to the reference system has a defined progression relative to the respective current OCP. The defined progression includes a first phase at a cathodic level and a second phase at an anodic level.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: February 8, 2022
    Inventors: Maximilian Fleischer, Kerstin Wiesner-Fleischer, Andreas Engelbrecht, Martin Hämmerle, Ralf Moos