Patents Examined by Joshua S Carpenter
-
Patent number: 11959151Abstract: Provided is a method for separating copper from nickel and cobalt, which is capable of efficiently and selectively separating copper, and nickel and cobalt from an alloy containing copper, nickel and cobalt such as a highly anticorrosive alloy that is obtained by subjecting a waste lithium ion battery to a dry treatment and contains copper, nickel and cobalt. According to the present invention, an alloy containing copper, nickel and cobalt is brought into contact with an acid in the coexistence of a sulfurization agent, thereby obtaining a solid that contains copper and a leachate that contains nickel and cobalt.Type: GrantFiled: August 21, 2018Date of Patent: April 16, 2024Assignee: SUMITOMO METAL MINING CO., LTD.Inventors: Tatsuya Higaki, Hiroshi Takenouchi, Hiroshi Kobayashi, Satoshi Asano
-
Patent number: 11891679Abstract: A preparation method for high-strength and low-modulus ?-type Si-containing titanium alloy involves: preparing an alloy component with, in atomic percentage, 60-70% of Ti, 10-20% of Nb, 5-15% of Zr, 1-10% of Ta and 1-5% of Si and using sponge titanium, sponge zirconium, a tantalum-niobium intermediate alloy and silicon as raw materials, and then uniformly smelting the alloy components to obtain a solidified ingot; then, subjecting the resulting ingot to plastic deformation with a deformation temperature of 800-900° C. and a deformation rate of 60-80%, and water-quenching same to room temperature; and finally, heating the resulting test sample to a recrystallization temperature, maintaining the temperature for 1-4 h, and carrying out an annealing treatment and air-cooling same to room temperature to obtain the high-strength and low-modulus ?-type Si-containing titanium alloy. The resulting titanium alloy is more suitable for use as a medical implant material.Type: GrantFiled: November 15, 2017Date of Patent: February 6, 2024Assignee: SOUTH CHINA UNIVERSITY OF TECHNOLOGYInventors: Yuanyuan Li, Weiwen Ye, Chao Yang, Fen Wang, Weiwen Zhang, Zhiyu Xiao
-
Patent number: 11879164Abstract: The invention concerns a process suitable for the recovery of platinum group metals (PGM) present in PGM-bearing catalysts comprising silicon carbide (SiC). More particularly, the process for the recovery of PGM present in PGM-bearing catalysts comprising SiC, comprises the steps of preparing a metallurgical charge by mixing the PGM-bearing catalysts with an Fe-oxide compound in an amount sufficient to oxidize at least 65% of the SiC, and feeding the metallurgical charge and slag formers to a smelting furnace operating in conditions susceptible to form a liquid Fe-based bullion, which contains PGM, and a liquid slag. Good to excellent PGM yields are obtained.Type: GrantFiled: December 18, 2020Date of Patent: January 23, 2024Assignee: UMICOREInventors: Dirk Crauwels, Tim Van Rompaey, Hilke Verbruggen
-
Patent number: 11866815Abstract: A method for preparing a high entropy alloy (HEA) structure includes the steps of: preparing an alloy by arc melting raw materials comprising five or more elements; drop casting the melted alloy into a cooled mold to form a bulk alloy; applying an external force against the bulk alloy to reshape the bulk alloy; and heat-treating the reshaped bulk alloy, wherein the bulk alloy is reshaped and/or heat-treated for manipulating the distribution of the microstructure therein. The present invention also relates to a high entropy alloy structure prepared by the method.Type: GrantFiled: November 2, 2021Date of Patent: January 9, 2024Assignee: City University of Hong KongInventors: Yong Yang, Quanfeng He, Zhaoyi Ding
-
Patent number: 11858072Abstract: A flux according to the present invention contains a rosin methyl ester in which the flux is a solid or solid-like flux at 25° C., and is used for an inside of a flux-cored solder or an exterior of a flux-coated solder.Type: GrantFiled: February 1, 2021Date of Patent: January 2, 2024Assignee: SENJU METAL INDUSTRY CO., LTD.Inventors: Yoko Kurasawa, Hiroaki Iseki, Kenta Nakajima
-
Patent number: 11858038Abstract: A process for the additive manufacture of a metallic and/or vitreous and/or ceramic component, a mixture of substrate particles and an at least two-phase binder is firstly provided. The mixture is preferably provided as composite particles, so that the substrate particles adhere to one another by the at least two-phase binder. The mixture is selectively melted layerwise by electromagnetic radiation so that a shaped part is additively produced. The shaped part is taken out from the mixture which has not been melted and the at least two-phase binder is subsequently removed, preferably successively. The process produces a microporous shaped part which after sintering leads to a component having a desired density and a desired mechanical and/or thermal stability.Type: GrantFiled: March 2, 2018Date of Patent: January 2, 2024Assignee: SKZ-KFE gGmbHInventors: Christian Fischer, Christian Staudigel
-
Patent number: 11851736Abstract: A temperable aluminum alloy, an aluminum sheet or strip made of such an aluminum alloy, a molded part, and a method for producing such a molded part have been disclosed. In order to enable achievement of the required yield strengths, a temperable aluminum alloy is proposed, containing zinc (Zn), magnesium (Mg), silicon (Si), tin (Sn) and/or indium (In) and/or cadmium (Cd), and optionally copper (Cu), from silver (Ag), iron (Fe), manganese (Mn), titanium (Ti), and residual aluminum as well as inevitable production-related impurities, wherein the content of magnesium (Mg) and silicon (Si) fulfills the order relation 0.4 wt . % ? Si - 0.15 < wt . % ? Mg < 0.7 wt . % ? Si - 0.2 .Type: GrantFiled: November 16, 2018Date of Patent: December 26, 2023Assignees: AMAG Rolling Gmbh, AUDI AGInventors: Mark Erlwein, Heinz Werner Höppel, Felix Glöckel, Bodo Gerold, Stefan Pogatscher, Peter J. Uggowitzer
-
Patent number: 11845128Abstract: A powder bed material can include from 80 wt % to 100 wt % metal particles having a D50 particle size distribution value from 4 ?m to 150 ?m. From 10 wt % to 100 wt % of the metal particles can be surface-activated metal particles having in intact inner volume and an outer volume with structural defects. The structural defects can exhibit an average surface grain density of 50,000 to 5,000,000 per mm2.Type: GrantFiled: June 8, 2018Date of Patent: December 19, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: John Samuel Dilip Jangam, Thomas Anthony, Krzysztof Nauka, Kristopher J. Erickson
-
Patent number: 11817299Abstract: A gold sputtering target is made of gold and inevitable impurities, and has a surface to be sputtered. In the gold sputtering target, an average value of Vickers hardness is 40 or more and 60 or less, and an average crystal grain size is 15 ?m or more and 200 ?m or less. A {110} plane of gold is preferentially oriented at the surface to be sputtered.Type: GrantFiled: December 23, 2022Date of Patent: November 14, 2023Assignee: TANAKA KIKINZOKU KOGYO K.K.Inventors: Tetsuya Kato, Yohei Mizuno, Chiharu Ishikura
-
Patent number: 11795540Abstract: A gold sputtering target has a gold purity of 99.999% or more. In such a gold sputtering target, an average value of Vickers hardness is 20 or more and less than 40, an average crystal grain size is 15 ?m or more and 200 ?m or less, and a {110} plane of gold is preferentially oriented to a surface to be sputtered of the gold sputtering target.Type: GrantFiled: December 19, 2022Date of Patent: October 24, 2023Assignee: TANAKA KIKINZOKU KOGYO K. K.Inventors: Tetsuya Kato, Takashi Terui, Masahiro Takahashi
-
Patent number: 11745266Abstract: An example method for additive manufacturing of metals includes spreading a build material including a metal in a sequence of layers. Each layer has a respective thickness, a respective sequence position, and a respective exposed surface to receive energy from a flood energy source prior to spreading of a subsequent layer. Each respective exposed surface has a surface area of at least 5 square centimeters (cm2). Layer-by-layer, the exposed surface of each layer is exposed to the radiated energy from the flood energy source. The energy is radiated at an intensity profile and a fluence sufficient to cause a consolidating transformation of the build material in the exposed layer.Type: GrantFiled: April 30, 2018Date of Patent: September 5, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Seongsik Chang, Krzysztof Nauka
-
Patent number: 11728074Abstract: This invention relates to magnetocaloric materials comprising alloys useful for magnetic refrigeration applications. In some embodiments, the disclosed alloys may be Cerium, Neodymium, and/or Gadolinium based compositions that are fairly inexpensive, and in some cases exhibit only 2nd order magnetic phase transitions near their curie temperature, thus there are limited thermal and structural hysteresis losses. This makes these compositions attractive candidates for use in magnetic refrigeration applications. Surprisingly, the performance of the disclosed materials is similar or better to many of the known expensive rare-earth based magnetocaloric materials.Type: GrantFiled: February 20, 2019Date of Patent: August 15, 2023Assignees: General Engineering & Research, L.L.C., The Regents of the University of CaliforniaInventors: Robin Ihnfeldt, Eunjeong Kim, Sungho Jin, Renkun Chen, Xia Xu
-
Patent number: 11718894Abstract: Provided is a method for separating copper from nickel and cobalt, which can efficiently and selectively separate copper from nickel and cobalt in a substance containing copper, nickel, and cobalt in a waste lithium ion battery, etc. In this method, a substance containing copper, nickel, and cobalt is sulfurated to obtain a sulfide, the obtained sulfide that contains copper, nickel, and cobalt is brought into contact with an acid solution to obtain a solid containing copper and a leachate containing nickel and cobalt. The sulfide preferably contains copper sulfide as a main component, and contains nickel metal and cobalt metal. In-addition, when bringing the sulfide into contact with the acid solution, the added amounts of the sulfide and the acid solution are preferably adjusted such that the oxidation-reduction potential of the obtained leachate is maintained at 150 mV or less where a silver/silver chloride electrode is a reference electrode.Type: GrantFiled: November 28, 2018Date of Patent: August 8, 2023Assignee: SUMITOMO METAL MINING CO., LTD.Inventors: Hiroshi Takenouchi, Hiroshi Kobayashi, Hirofumi Shoji, Tatsuya Higaki
-
Patent number: 11718893Abstract: A method for recovery of gold from gold-containing materials, such as electronic waste material, minerals and sands is described. The method includes crushing the gold containing material to obtain a particulate material. The particulate material is then preheated in an oxygen-containing gas environment in a preheating zone. The method also includes mixing the oxidized particulate material with a chlorine-containing material and treating the mixture in a reaction zone. The treatment is carried out by heating the mixture to provide thermal decomposition of the chlorine-containing material and produce a chlorine-containing gas mixture, and by applying an electromagnetic field to the chlorine-containing gas mixture to provide ionization of chlorine. A volatile gold-containing chloride product, produced in the reaction zone as a result of a chemical reaction between gold and chlorine ions, is then cooled to convert the volatile gold-containing chloride product into solid phase gold-containing materials.Type: GrantFiled: November 1, 2018Date of Patent: August 8, 2023Assignee: YEDA RESEARCH AND DEVELOPMENT CO. LTD.Inventors: Igor Lubomirsky, Valery Kaplan, Nurlan Dosmukhamedov, Erzhan Zholdasbay
-
Patent number: 11721460Abstract: A method for preparing a metal powder includes preparing a mixture by mixing a fluoride of a group 1 element, a fluoride of a group 2 element or a transition metal fluoride, with neodymium oxide, boron, iron, and a reducing agent; and heating the mixture at a temperature of 800° C. to 1100° C.Type: GrantFiled: October 18, 2017Date of Patent: August 8, 2023Inventors: June Ho In, Soon Jae Kwon, Ik Jin Choi, Hyoun Soo Uh, Jung Won Park, Byung Kyu Lim, Pum Suk Park
-
Patent number: 11713498Abstract: Disclosed are a method of manufacturing a uranium target, the method including (a) a step of preparing a conjugate including a matrix and a uranium target green compact formed in the matrix; and (b) a step of performing thermo-mechanical treatment through additional heat treatment at 530° C. to 600° C. during a hot rolling pass in a process of hot-rolling the conjugate, and a method of extracting radioactive Mo-99 using the uranium target.Type: GrantFiled: January 27, 2020Date of Patent: August 1, 2023Assignee: Korea Atomic Energy Research InstituteInventors: Ki Nam Kim, Sung Chan Park, Yong Jin Jeong, Kyu Hong Lee, Sung Hwan Kim, Tae Won Cho, Jong Man Park
-
Patent number: 11707784Abstract: Bearing steel comprising cubic boron nitride (c-BN) and/or nickel coated cBN spark plasma sintered at a temperature in the range of 850-1050° C. is disclosed. The tribological and corrosion resistance of the bearing steel improved with increasing the amount of c-BN. Further improvement in the properties was achieved with the incorporation of nickel coated c-BN, which caused a phase transition of the bearing steel from magnetic to non-magnetic phase accompanied by interdiffusion enhancement between the matrix and c-BN reinforcement.Type: GrantFiled: October 15, 2019Date of Patent: July 25, 2023Assignee: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALSInventors: Abbas Saeed Hakeem, Akeem Yusuf Adesina, Muhammad Umar Azam, Bilal Anjum Ahmed, Ahmad A. Sorour
-
Patent number: 11702716Abstract: A case hardening steel having excellent fatigue resistance is provided at relatively low production cost. A case hardening steel has a chemical composition containing C: 0.10% to 0.30%, Si: 0.10% to 1.20%, Mn: 0.30% to 1.50%, S: 0.010% to 0.030%, Cr: 0.10% to 1.00%, B: 0.0005% to 0.0050%, Sb: 0.005% to 0.020%, and N: 0.0150% or less in a predetermined range, and further containing Al: 0.010%?Al?0.120% in the case where B?(10.8/14)N?0.0003%, and 27/14[N?(14/10.8)B+0.030]?Al?0.120% in the case where B?(10.8/14)N<0.0003%.Type: GrantFiled: January 25, 2016Date of Patent: July 18, 2023Assignee: JFE STEEL CORPORATIONInventors: Keisuke Ando, Kazuaki Fukuoka, Kunikazu Tomita
-
Patent number: 11703481Abstract: A method for checking a component to be produced in an additive manner, having the steps of mechanically exciting at least one additively constructed layer of the component during the additive production of the component, measuring a mechanical response signal of the component, and displaying a warning and/or interrupting the additive production of the component if the mechanical response signal lies outside of a specified tolerance range. A device for the additive production of a component, includes a device for mechanically exciting the at least one additively constructed layer of the component, a measuring unit for measuring the mechanical response signal of the component, and a control unit. The control unit is designed to display the warning and/or interrupt the additive production if the mechanical response signal lies outside of a specified tolerance range.Type: GrantFiled: December 5, 2016Date of Patent: July 18, 2023Assignee: SIEMENS ENERGY GLOBAL GMBH & CO.Inventors: Christoph Haberland, Matthias Jungbluth, Andreas Kreutzer, Heiko Lammers, Thomas Lorenz, Martin Regener, Kathrin Sperlich, Danny Tomuschat
-
Patent number: 11692242Abstract: A method for producing a biodegradable magnesium metal composite that includes a polycrystalline magnesium matrix and TiB2 grains which are homogenously distributed in the polycrystalline magnesium matrix involving spark plasma sintering a milled mixture of magnesium powder and TiB2 powder. The temperature, pressure, and time of the spark plasma sintering used in the method are used to give high microharness, macrohardness, and density with low porosity by limiting the grain growth in the composite. The method yields a biodegradable magnesium metal composite having an improved microhardness, macrohardness, density, and porosity compared to other composites and methods of making composites.Type: GrantFiled: November 4, 2019Date of Patent: July 4, 2023Assignee: King Fahd University of Petroleum and MineralsInventors: Mohamed Abdrabou Hussein, Murad Ali, Nasser Al-Aqeeli