Patents Examined by Lois L Zheng
  • Patent number: 10995397
    Abstract: Disclosed are high-strength aluminum alloys and methods of making and processing such alloys. More particularly, disclosed are aluminum alloys exhibiting improved mechanical strength. The processing method includes homogenizing, hot rolling, solutionizing, and multiple-step quenching. In some cases, the processing steps can further include annealing and/or cold rolling.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: May 4, 2021
    Assignee: NOVELIS INC.
    Inventors: David Leyvraz, Jonathan Friedli, Aude Despois, Guillaume Florey
  • Patent number: 10988669
    Abstract: A variety of methods and compositions are disclosed, including, in one embodiment, a method of inhibiting corrosion of a metal surface in a wellbore, comprising: providing a treatment fluid comprising a corrosion inhibitor, wherein the corrosion inhibitor comprises berberine; and introducing the treatment fluid into a wellbore.
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: April 27, 2021
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Anjali Ramesh Sarda-Mantri, Sushant Dattaram Wadekar
  • Patent number: 10968520
    Abstract: Provided are a treatment liquid for a black trivalent chromium conversion coating, and a trivalent chromium-containing water-soluble liquid for finishing treatment, achieving excellent corrosion resistance and scratch resistance without containing a cobalt compound, with high stability and adequate consideration for environmental issues; and a method for treating a metal substrate using the same. The treatment liquid for a black trivalent chromium conversion coating on the surface of a metal substrate contains a trivalent chromium compound, two or more organic acids or organic acid salts, or one or more organic sulfur compounds, and nitrate ions, and contains no cobalt compound.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: April 6, 2021
    Assignee: Nippon Hyomen Kagaku Kabushiki Kaisha
    Inventors: Kazuyuki Shinozaki, Mitsuomi Katori, Hiroyuki Kaneta
  • Patent number: 10947613
    Abstract: Described herein are novel aluminum containing alloys. The alloys are highly formable and can be used for producing highly shaped aluminum products, including bottles and cans.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: March 16, 2021
    Assignee: Novelis Inc.
    Inventors: Johnson Go, DaeHoon Kang, Richard Hamerton
  • Patent number: 10916357
    Abstract: An object of the present invention is to provide an aluminum alloy foil for an electrode current collector and a manufacturing method thereof, the foil having a high strength and high strength after a drying process after the application of the active material while keeping a high electrical conductivity. Disclosed is a method for manufacturing an aluminum alloy foil for electrode current collector, including: forming by continuous casting an aluminum alloy sheet containing 0.03 to 1.0% of Fe, 0.01 to 0.2% of Si, 0.0001 to 0.2% of Cu, with the rest being Al and unavoidable impurities, performing cold rolling to the aluminum alloy sheet at a cold rolling reduction of 80% or lower, and performing heat treatment at 550 to 620° C. for 1 to 15 hours.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: February 9, 2021
    Assignee: UACJ Corporation
    Inventors: Masakazu Seki, Satoshi Suzuki, Kenji Yamamoto, Tomohiko Furutani
  • Patent number: 10907232
    Abstract: A method for producing a high strength coated steel sheet having an improved ductility and an improved formability, the chemical composition of the steel containing: 0.13%?C?0.22%, 1.9%?Si?2.3%, 2.4%?Mn?3%, Al?0.5%, Ti<0.05%, Nb<0.05%, the remainder being Fe and unavoidable impurities. The sheet is annealed at temperature TA higher than Ac3 but less than 1000° C. for a time of more than 30 s, quenched by cooling to a quenching temperature QT between 200° C. and 280° C. in order to obtain a structure consisting of austenite and at least 50% of martensite, the austenite content being such that the final structure can contain between 3% and 15% of residual austenite and between 85% and 97% of the sum of martensite and bainite, without ferrite, heated up to a partitioning temperature PT between 430° C. and 490° C. and maintained at this temperature for a time Pt between 10 s and 100 s, hot dip coated and cooled to the room temperature.
    Type: Grant
    Filed: July 3, 2015
    Date of Patent: February 2, 2021
    Inventors: Dongwei Fan, Hyun Jo Jun, Rashmi Ranjan Mohanty, Pavan K. C. Venkatasurya
  • Patent number: 10882104
    Abstract: A vehicle wheel, or other axisymmetric shaped article, is formed of an aluminum-based alloy by a combination of a liquid forging step of a pre-form shape of the wheel and a subsequent solid-state flow forming step to complete the specified shape of the wheel. An aluminum-based alloy, containing specified amounts of zinc, silicon, and magnesium is devised for use in the forming process. The composition of the aluminum-based alloy is devised to facilitate the performance of each forming step of the article and the mechanical properties of the final shaped product.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: January 5, 2021
    Inventors: Lei Gao, Bin Hu
  • Patent number: 10883163
    Abstract: A high-silicon steel strip is manufactured. A basic configuration includes partition plates arranged in the longitudinal direction of a furnace to extend from a position in the vicinity of respective gas nozzles to be in parallel to the pass line of the steel strip, and obstacles arranged to face partition-plate rear edges in the longitudinal direction of the furnace to obstruct the flow of the gas along the steel strip so that siliconizing spaces surrounded by the steel strip, the partition plates, and the obstacles are formed; and gaps between the partition-plate rear edges and the obstacles and so forth which form exhaust passages through which gas is discharged from the siliconizing spaces to other spaces inside the furnace so that treatment gas which has been sprayed from the gas nozzles onto a surface of the steel strip to flow through the siliconizing spaces is discharged through the exhaust passages.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: January 5, 2021
    Inventors: Shoji Kasai, Takashi Doi, Masatoshi Nishide
  • Patent number: 10870923
    Abstract: The invention relates to use of an aqueous composition for pretreating can body stock, whereby an inorganic-organic conversion layer is formed, which effects outstanding sliding behavior of the shaped can body stock and in addition offers an outstanding holding primer for subsequent coating. The invention comprises a process in which can body stock which is deep-drawn to form a half-open can cylinder, before further shaping processes, is contacted with an acidic aqueous composition which contains water-soluble inorganic compounds of Zr, Ti, Si, Hf or Ce, water-soluble polymers having carboxyl groups or hydroxyl groups and also a dispersed wax. Both outer and inner surfaces of metallic can cylinders can be pretreated in the process. The invention also relates to an acidic aqueous composition for use in the pretreatment process, which contains water-soluble polymers selected from condensation products of glycoluril and aldehydes.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: December 22, 2020
    Assignee: Henkel AG & Co. KGaA
    Inventor: Joerg Riesop
  • Patent number: 10865468
    Abstract: In one embodiment, a Metal Injection Molded (MIM) body may have one or more surfaces comprising a zirconium alloy. A method of forming an oxide layer on the zirconium alloy surface(s) of the MIM body may include hot isostatic pressing the MIM body, heat treating the MIM body, machining the MIM body to desired shape dimensions, polishing the surface of the MIM body, and oxidizing the polished surface of the MIM body. In some embodiments, the polishing step may include a first vibratory finishing step; and a second vibratory finishing step.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: December 15, 2020
    Assignee: Avalign Technologies, Inc.
    Inventor: David L. Walker
  • Patent number: 10837085
    Abstract: A cold rollable beta titanium alloy is provided by the present disclosure that exhibits excellent tensile strength, and creep and oxidation resistance at elevated temperatures. In one form, the beta titanium alloy includes molybdenum between 13.0 wt. % to 20.0 wt. %, niobium between 2.0 wt. % to 4.0 wt. %, silicon between 0.1 wt. % to 0.4 wt. %, aluminum between 3.0 wt. % to 5.0 wt. %, zirconium greater than 0.0 wt. % and up to 3.0 wt. %, tin up to 5.0 wt. %, oxygen up to 0.25 wt. %, and a balance of titanium and incidental impurities. Additionally, the ranges for each element satisfies the conditions of: 6.0 wt. %?X wt. %?7.5 wt. %; and??(i) 3.5 wt. %?Y wt. %?5.15 wt. %, where??(ii) X wt. %=aluminum+tin/3+zirconium/6+10*(oxygen+nitrogen+carbon), and Y wt. %=aluminum+silicon*(zirconium+tin).
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: November 17, 2020
    Inventors: Phani Gudipati, Yoji Kosaka
  • Patent number: 10815573
    Abstract: A liquid passivation mixture for passivating an outer layer of a substrate comprises a first material selected from group consisting of sulfur or selenium and a base selected from a group consisting of quaternary ammonium compound, sodium hydroxide (NaOH), potassium hydroxide (KOH), and amine.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: October 27, 2020
    Assignee: LAM RESEARCH AG
    Inventor: Dries Dictus
  • Patent number: 10801095
    Abstract: An aluminum alloy for casting shaped aluminum alloy parts may comprise alloying elements of silicon and chromium and may be formulated to develop a dispersion strengthened and precipitation strengthened microstructure via heat treatment. The aluminum alloy may be formulated to develop a microstructure including an aluminum matrix phase and a fine-grained AlCrSi dispersoid phase when subjected to a solution heat treatment. The aluminum alloy also may be formulated to develop a microstructure including one or more Cu-containing precipitate phases when subjected to an aging heat treatment.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: October 13, 2020
    Assignee: GM Global Technology Operations LLC
    Inventors: Henry Zhan, Bin Hu
  • Patent number: 10792702
    Abstract: The invention relates to a method for producing a silane-modified silicate. In order to obtain optimal corrosion protection properties, a silane compound according to the invention is at least partially hydrolyzed and/or condensed in the presence of a silicate compound at a pH value greater than or equal to 8 and then a pH value less than or equal to 7 is set by adding acid. The invention further relates to an aqueous acidic passivation composition for metal substrate coated with the passivation composition.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: October 6, 2020
    Assignee: EWALD DÖRKEN AG
    Inventors: Melanie Müller, Marcel Roth, Ingo Klüppel
  • Patent number: 10774414
    Abstract: Disclosed is a method for surface treatment of a steel component, providing high resistance to wear and corrosion, including nitriding or nitrocarburising to form a compound layer with a thickness of at least 8 micrometers made up of iron nitrides having phases ? and/or ??, oxidizing to generate a layer of oxides with a thickness of 0.1-3 micrometers, and soaking in an impregnation bath during at least 5 minutes at room temperature, the bath being made up of at least 70 wt %, ±1%, of a solvent made up of a mixture of hydrocarbons formed by a C9 to C17 alkane fraction, 10 to 30 wt %, ±1%, of at least one paraffin oil formed by a C16 to C32 alkane fraction, and at least one additive such as a synthetic phenolic additive with a concentration of 0.01 to 3 wt %, ±0.1%.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: September 15, 2020
    Assignee: H.E.F.
    Inventors: Pierre-Louis Magdinier, Marie-Noelle Desbouche-Janny
  • Patent number: 10768092
    Abstract: A measurement system permits environmental, corrosion damage, and mechanical property measurements to assess protection properties of coatings. The system includes one or more multi-sensor panels, each multi-sensor panel having sensors for assessing coating barrier properties, free corrosion, and galvanic corrosion. Each multi-sensor panel is installed on a test rack that contains electronics for sensor excitation and sensor data acquisition throughout a corrosion test. Sensor data is collected, stored, and communicated to a base station. A network of multiple test racks can be supported by a base station to compare the performance of different coatings and material combinations simultaneously. The test racks can be used in accelerated atmospheric corrosion tests, outdoor test sites, or application service environments.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: September 8, 2020
    Assignee: Luna Innovations Incorporated
    Inventors: Fritz John Friedersdorf, Conrad Koenig Andrews, Paul Gordon Muskopf, Kathryn Beryl Ridder
  • Patent number: 10752980
    Abstract: A high fatigue strength aluminum alloy comprises in weight percent copper 3.0-3.5%, iron 0-1.3%, magnesium 0.24-0.35%, manganese 0-0.8%, silicon 6.5-12.0%, strontium 0-0.025%, titanium 0.05-0.2%, vanadium 0.20-0.35%, zinc 0-3.0%, zirconium 0.2-0.4%, a maximum of 0.5% other elements and balance aluminum plus impurities. The alloy defines a microstructure having an aluminum matrix with the Zr and the V in solid solution after solidification. The matrix has solid solution Zr of at least 0.16% after heat treatment and solid solution V of at least 0.20% after heat treatment, and both Cu and Mg are dissolved into the aluminum matrix during the heat treatment and subsequently precipitated during the heat treatment. A process for heat treating an Al—Si—Cu—Mg—Fe—Zn—Mn—Sr-TMs alloy comprises heat treating the alloy to produce a microstructure having a matrix with Zr and V in solid solution after solidification.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: August 25, 2020
    Assignee: Ford Global Technologies, LLC
    Inventors: Mei Li, Jacob Wesley Zindel, Larry Alan Godlewski, Bita Ghaffari, Yang Huo, Carlos Engler-Pinto, Wei-jen Lai
  • Patent number: 10738383
    Abstract: Described herein is a method for substantially nickel-free phosphating of a metallic surface, wherein a metallic surface, optionally after cleaning and/or activation, is first treated with an acidic aqueous phosphating composition that includes zinc ions, manganese ions, and phosphate ions, and is optionally rinsed and/or dried, and is thereafter treated with an aqueous after-rinse composition that includes at least one kind of metal ion selected from the group consisting of the ions of molybdenum, copper, silver, gold, palladium, tin, antimony, titanium, zirconium, and hafnium and/or at least one polymer selected from the group consisting of the polymer classes of the polyamines, polyethyleneamines, polyanilines, polyimines, polyethyleneimines, polythiophenes, and polypryroles and also mixtures and copolymers thereof, with both the phosphating composition and the after-rinse composition being substantially nickel-free.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: August 11, 2020
    Assignee: Chemetall GmbH
    Inventors: Olaf Dahlenburg, Frank Hollmann, Lisa Schmeier
  • Patent number: 10704128
    Abstract: Disclosed are high-strength aluminum alloys and methods of making and processing such alloys. The aluminum alloys described herein exhibit improved mechanical strength, deformability, and corrosion resistance properties. In addition, the aluminum alloys can be prepared from recycled materials. The aluminum alloy products prepared from the alloys described herein include precipitates to enhance strength, such as MgZn2/Mg(Zn,Cu)2, Mg2Si, and Al4Mg8Si7Cu2.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: July 7, 2020
    Assignee: NOVELIS INC.
    Inventors: Sazol Das, Hany Ahmed, Wei Wen
  • Patent number: 10704157
    Abstract: The present invention provides an aqueous treatment solution containing sulfate ions SO42? in a concentration greater than or equal to 0.01 mol/l, to treat sheet metal including a steel substrate coated on at least one face with a coating including at least zinc and magnesium to reduce blackening or tarnishing of the sheet metal during storage. The present invention also provides a sheet metal treated with a solution of this type.
    Type: Grant
    Filed: January 10, 2012
    Date of Patent: July 7, 2020
    Inventors: Daniel Chaleix, Christian Allely, Maxime Monnoyer, Pascale Feltin