Patents Examined by George Wyszomierski
  • Patent number: 11826946
    Abstract: An additive manufacturing process for forming a metallic layer on the surface of the substrate includes fabricating a substrate from a polymerizable composition by a stereolithographic process, and contacting the reactive surface with an aqueous solution including a metal precursor. The metal precursor includes a metal, and the polymerizable composition includes a multiplicity of multifunctional components. Each multifunctional component includes a reactive moiety extending from a surface of the substrate to form a reactive surface. An interface between the reactive surface and the aqueous solution is selectively irradiated to form nanoparticles including the metal in a desired pattern. The nanoparticles are chemically coupled to the reactive surface by reactive moieties, thereby forming a metallic layer on the surface of the substrate.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: November 28, 2023
    Inventors: Zhi Zhao, Chao Wang, Yu Yao
  • Patent number: 11821064
    Abstract: Cu-based bulk amorphous alloys in the quaternary Cu—Zr—Hf—Al alloy system are disclosed. A method of casting such alloys and articles comprising such alloys also are disclosed.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: November 21, 2023
    Assignee: Oregon State University
    Inventors: Donghua Xu, Jaskaran Singh Saini, Collin J. Palian
  • Patent number: 11821518
    Abstract: A soluble metal sealing ring with a controllable dissolution rate and preparation process thereof include an aluminum alloy sealing ring matrix and a composite coating coated on an outer surface of the aluminum alloy sealing ring matrix whose standard electrode potential is greater than ?0.3 volts (V). The preparation process includes: (1) preparing a high-plastic aluminum alloy; (2) preparing the aluminum alloy sealing ring matrix by machining; (3) annealing the aluminum alloy sealing ring matrix; (4) mixing raw materials of the composite coating evenly; (5) preparing the composite coating on an outer surface of the aluminum alloy sealing ring matrix; (6) preparing holes. The soluble metal sealing ring solves problem that good sealing performance and good dissolving performance are difficult to obtain simultaneously in the existing product, and has advantages of good sealing performance, controllable dissolving rate, no blockage and others.
    Type: Grant
    Filed: January 17, 2023
    Date of Patent: November 21, 2023
    Inventors: Xiaohong Wang, Yangang Jiang, Jianchun Guo, Tao Liu, Shilei Xu, Zishuo Li, Yuanhua Lin
  • Patent number: 11819922
    Abstract: The present invention addresses the problem of providing a method that enables easy manufacturing of silver nanowires which have an average diameter smaller than those obtained from methods in the related art and in which the proportion of large diameter silver nanowires is reduced. Provided is a method for manufacturing silver nanowires, in which the silver nanowires are obtained from a silver salt using the silver salt, a halide salt, and a growth control agent in a polyol, and at least one selected from the group consisting of ?-angelica lactone, phthalide, and a compound represented by General Formula (1) below (in General Formula (1), R1 and R3 each represent an alkyl group having 1-4 carbon atoms, and R2 represents a hydrogen atom, a hydroxyl group, an alkoxyl group having 1-4 carbon atoms, or a acyloxy group having 2-6 carbon atoms) is further used as a furanone derivative (a).
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: November 21, 2023
    Inventor: Yasuhiro Ueta
  • Patent number: 11814737
    Abstract: The present invention relates to a process for the production of metal alloy nanoparticles which catalyse the oxygen reduction reaction (ORR) for use in proton exchange membrane fuel cells (PEMFC) or electrolyser cells. In particular, the present invention relates to a process for producing alloy nanoparticles from platinum group metals and other metals under reductive conditions. In particular the present invention relates to a process for producing alloy nanoparticles comprising the steps of mixing a salt of at least one metal, a material comprising a platinum group metal, a nitrogen-rich compound, and optionally a support material, to provide a precursor mixture, and heating said precursor mixture to a temperature of at least 400° C., in the presence of a gas comprising hydrogen (H2), to provide said alloy nanoparticles.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: November 14, 2023
    Assignee: Danmarks Tekniske Universitet
    Inventors: Qingfeng Li, Benedikt Axel Brandes, Jens Oluf Jensen, Lars Nilausen Cleeman, Yang Hu
  • Patent number: 11814706
    Abstract: An aluminum alloy conductive wire that includes 0.15 mass % or more and 0.25 mass % or less of Si; 0.6 mass % or more and 0.9 mass % or less of Fe; 0.05 mass % or more and 0.15 mass % or less of Cu; 0.2 mass % or more and 2.7 mass % or less of Mg, and 0.03 mass % or less in total of Ti, V, and B. The aluminum alloy conductive wire has tensile strength of equal to or less than T1 MPa represented by T1=59.5 ln(x)+231 and conductivity of equal to or more than C % IACS represented by C=1.26x2?11.6x+63.4 in a case where a content rate of Mg in the aluminum alloy conductive wire is x mass %.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: November 14, 2023
    Assignee: Fujikura Ltd.
    Inventor: Tatsunori Shinoda
  • Patent number: 11813676
    Abstract: Use of heterogeneous nucleation allows the localized reduction of metal salt and also cross-link the carbon precursor in the same region. This cross-linked matrix act as the secondary heterogeneous sites for spontaneous Nano particle synthesis and growth during the process of pyrolysis. Selectively creating heterogeneous sites and reducing the metal precursor using highly focused energy beams create various metal-carbon composites with controlled metal positioning. This is such a unique process where a pretreatment process will control the fabrication of complex metal-carbon composite nano and microstructures. This greatly simplifies the fabrication process, facilitating nanostructures like Nano metal bulbs, nanometal pointed nanogaps and metal sandwich structures with such process. With several advantages ranging from electronics, catalysis, optics and several other bio-functionalization technologies, this enables materials with unique and hybrid advantages.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: November 14, 2023
    Inventors: Sergio Omar Martínez Chapa, Gaurav Chauhan, Marc J. Madou, Manish Madhukar Kulkarni, Vianni Chopra
  • Patent number: 11814711
    Abstract: An embodiment relates to a material comprising a ceramic formed from an amorphous metal alloy (amorphous metal ceramic composite), wherein the composite exhibits a higher corrosion resistance than that of Haynes 230 when exposed to molten chlorides such as KCl or MgCl2 or combinations thereof at temperatures up to 750° C. Yet, another embodiment relates to a method comprising obtaining a substrate, forming a coating of an amorphous metal alloy, heating the coating, and transforming at least a portion the amorphous metal alloy into an amorphous metalceramic composite.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: November 14, 2023
    Inventors: John Kang, Evelina Vogli, Ricardo Salas
  • Patent number: 11806779
    Abstract: Provided herein are systems and methods for producing thick gauge aluminum alloy articles such as plates, shates, slabs, sheet plates or the like. A method for producing thick gauge aluminum alloy articles can include continuously casting an aluminum alloy article and hot or warm rolling the aluminum alloy article. Also provided herein is a continuous casting system for producing thick gauge aluminum alloy articles. The disclosed thick gauge aluminum alloy articles can be provided in any suitable temper.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: November 7, 2023
    Assignee: Novelis Inc.
    Inventors: Milan Felberbaum, Corrado Bassi, Sazol Kumar Das, Simon Barker, Tudor Piroteala, Rajasekhar Talla
  • Patent number: 11806817
    Abstract: A flux according to the present invention is a flux for soldering, the flux including: an unsaturated aliphatic alcohol having one unsaturated bond, a thixotropic agent, and a solvent, in which the unsaturated aliphatic alcohol includes oleyl alcohol, and a content of the oleyl alcohol is 2.0 mass % or more and 12.0 mass % or less based on the entire flux.
    Type: Grant
    Filed: September 22, 2021
    Date of Patent: November 7, 2023
    Assignee: KOKI Company Limited
    Inventors: Kazuhiro Yukikata, Takefumi Arai, Yuri Misumi
  • Patent number: 11807918
    Abstract: Disclosed are an aluminum alloy for a die casting and a method of producing an aluminum alloy casting product. The aluminum alloy may include silicon (Si) in an amount of about 7.5 to 9.5 wt %; magnesium (Mg) in an amount of about 2.5 to 3.5 wt %; iron (Fe) in an amount of about 0.5 to 1.0 wt %; manganese (Mn) in an amount of about 0.1 to 0.6 wt %; and aluminum (Al) constituting the remaining balance of the aluminum alloy, all the wt % are based on the total weight of the aluminum alloy.
    Type: Grant
    Filed: October 28, 2018
    Date of Patent: November 7, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation, SJ Tech Co., Ltd.
    Inventors: Byong Soo Kim, Il Huh, Jung Mok Lee
  • Patent number: 11801555
    Abstract: Methods are disclosed for producing core-shell particles having a uniform size using a microwave plasma process. More particularly, methods of the present technology are used to manufacture core-shell particles having a core at least partially surrounded by a shell. The core and shell of the core-shell particles are chemically distinct. Methods of the present technology occur within a plasma chamber of a microwave plasma reactor and a microwave formed plasma is utilized to vaporize core precursor material.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: October 31, 2023
    Assignee: 6K Inc.
    Inventors: Kamal Hadidi, Gregory Wrobel
  • Patent number: 11801553
    Abstract: The method for making carbon-coated copper nanoparticles is a simple, one-step for coating copper nanoparticles with a carbon shell to prevent rapid oxidation of the carbon nanoparticle core. The method involves heating or autoclaving thin sheets of copper hydroxide nitrate (Cu2(OH)3NO3) under supercritical conditions (a temperature of 300° C. and a pressure of 120 bar) for two hours. The autoclaving may be performed in the presence of an inert gas, such as argon, which may be used to remove any remaining gases, and the pressure may be released in the presence of the inert gas so that the product may be collected in the presence of air.
    Type: Grant
    Filed: November 29, 2022
    Date of Patent: October 31, 2023
    Inventors: Osama Saber Yehya Mohamed, Mostafa Osama Saber, Aya Osama Saber, Doaa Osama Saber
  • Patent number: 11802324
    Abstract: An nitrogen solid solution titanium sintered compact includes a matrix made of a titanium component having an ?-phase, nitrogen atoms dissolved as a solute of solid solution in a crystal lattice of the titanium component, and metal atoms dissolved as a solute of solid solution in the crystal lattice of the titanium component.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: October 31, 2023
    Inventor: Katsuyoshi Kondoh
  • Patent number: 11804318
    Abstract: Producing CoxFe100-x, where x is an integer from 20 to 95, nanoparticles by: (a) providing a first aqueous hydroxide solution; (b) preparing a second aqueous solution containing iron ions and cobalt ions; and (c) depositing measured volumes of the second aqueous solution into the first aqueous solution whereby coprecipitation yields CoFe alloy nanoparticles, wherein step (c) occurs in an essentially oxygen-free environment. The nanoparticles are annealed at ambient temperatures to yield soft nanoparticles with targeted particle size, saturation magnetization and coercivity. The chemical composition, crystal structure and homogeneity are controlled at the atomic level. The CoFe magnetic nanoparticles have Ms of 200-235 emu/g, (Hc) coercivity of 18 to 36 Oe and size range of 5-40 nm.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: October 31, 2023
    Assignee: Aegis Technology Inc.
    Inventors: Qi Chen, Zhigang Lin
  • Patent number: 11795532
    Abstract: A production method for water-atomized metal powder includes: in a region in which the average temperature of a molten metal stream is higher than the melting point by 100° C. or more, spraying primary cooling water from a plurality of directions at a convergence angle of 10° to 25°, where the convergence angle is an angle between an impact direction on the molten metal stream of the primary cooling water from one direction and an impact direction on the molten metal stream of the primary cooling water from any other direction; and in a region in which 0.0004 seconds or more have passed after an impact of the primary cooling water and the average temperature of metal powder is the melting point or higher and (the melting point+50° C.) or lower, spraying secondary cooling water on the metal powder under conditions of an impact pressure of 10 MPa or more.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: October 24, 2023
    Assignee: JFE Steel Corporation
    Inventors: Makoto Nakaseko, Shigeru Unami, Akio Kobayashi, Takuya Takashita
  • Patent number: 11780012
    Abstract: The broad applicability of at least certain aspects of the present invention derives from the ability to determine the critical location where secondary satellite formation occurs for any atomization system or design and allows for the rapid assessment of the effectiveness of various satellite reduction strategies, including but not limited to several embodiments detailed herein. Aspects of this invention can be utilized during initial atomization system design in order to evaluate effective chamber geometries and enabling strategies which reduce/eliminate satelliting, or can be retrofit to existing systems and allows for economic evaluation of effectiveness based off of initial capital expenditures versus increased operating requirements/expenses.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: October 10, 2023
    Assignee: Iowa State University Research Foundation, Inc.
    Inventors: Iver E. Anderson, Jordan A. Tiarks, Timothy E. Prost, Bo Kong, Emma H. White, Trevor M. Riedemann, Eric J. Deaton, Ross Anderson, David Byrd, Franz Hugolino Hernandez Gaitan
  • Patent number: 11781206
    Abstract: Disclosed herein is a composite comprising a metal alloy matrix; where the metal alloy matrix comprises aluminum in an amount greater than 50 atomic percent; a first metal and a second metal; where the first metal is different from the second metal; and where the metal alloy matrix comprises a low temperature melting phase and a high temperature melting phase; where the low temperature melting phase melts at a temperature that is lower than the high temperature melting phase; and a contracting constituent; where the contracting constituent exerts a compressive force on the metal alloy matrix at a temperature between a melting point of the low temperature melting phase and a melting point of the high temperature melting phase or below the melting points of the high and low temperature melting phases.
    Type: Grant
    Filed: April 28, 2022
    Date of Patent: October 10, 2023
    Assignees: University of Florida Research Foundation, Inc., United States Of America As Represented By The Administrator of NASA
    Inventors: Michele Viola Manuel, Charles Robert Fisher, Maria Clara Wright
  • Patent number: 11772160
    Abstract: To provide a fine nickel powder for an internal electrode paste of an electronic component, the nickel powder obtained by a wet method and having high crystallinity, excellent sintering characteristics, and heat-shrinking characteristics. The nickel powder is obtained by precipitating nickel by a reduction reaction in a reaction solution including at least water-soluble nickel salt, salt of metal nobler than nickel, hydrazine as a reducing agent, and alkali metal hydroxide as a pH adjusting agent and water; the reaction solution is prepared by mixing a nickel salt solution including the water-soluble nickel salt and the salt of metal nobler than nickel with a mixed reducing agent solution including hydrazine and alkali metal hydroxide; and the hydrazine is additionally added to the reaction solution after a reduction reaction initiates in the reaction solution.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: October 3, 2023
    Inventors: Junji Ishii, Shingo Murakami, Hiroyuki Tanaka, Takahiro Kamata, Toshiaki Terao, Masaya Yukinobu, Yuji Watanabe, Tsutomu Tanimitsu, Yoshiyuki Kunifusa, Haruo Nishiyama
  • Patent number: 11773476
    Abstract: The present disclosure relates to a method for producing a motor vehicle component from a 6000-series aluminum alloy having the following method steps: providing a blank made of a 6000-series aluminum alloy, rapid heating of the blank by means of contact plates to a temperature between 450° C. and 600° C. in a time less than 20 seconds, ending of the heating procedure and optional homogenizing when a grain size between 20 and 50 ?m has resulted, quenching the blank thus tempered to a temperature less than or equal to 100° C., in a time less than 20 seconds, wherein the rapid heating and quenching of the blank is carried out in a total time of less than 50 seconds, applying a lubricant, at 20° C. to 100° C., forming the cooled blank in a forming tool, wherein the time between beginning the rapid heating and beginning the forming is less than 45 seconds, aging.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: October 3, 2023
    Inventors: Jochem Grewe, Feng Jiao