Patents Examined by Melissa S Swain
  • Patent number: 12252408
    Abstract: A method of preparing borosulfate materials avoids the need for fuming sulfuric acid, also known as oleum. Instead, B(OH)3 present in solution in concentrated sulfuric acid at 5% to 15% by weight is reacted with a cation source at 100-250° C. under dynamic vacuum while in connection with a receiving vessel comprising a desiccant and separate from the reaction vessel, thereby causing formation of a borosulfate material in the reaction vessel while eliminated water is collected in the receiving vessel.
    Type: Grant
    Filed: January 13, 2023
    Date of Patent: March 18, 2025
    Assignee: The Government of the United States of America, as represented by the Secretary of the Navy
    Inventors: Brian L. Chaloux, James A. Ridenour, Albert Epshteyn
  • Patent number: 12252447
    Abstract: A multi-component inorganic capsule anchoring system can be used for chemical fastening of anchors, bolts, screw anchors, screw bolts, and post-installed reinforcing bars in mineral substrates. The multi-component inorganic capsule anchoring system contains a curable powdery ground-granulated blast-furnace slag-based component A, and an initiator component B in aqueous-phase for initiating the curing process. The powdery ground-granulated blast-furnace slag-based component A contains further silica dust. The component B contains an alkali- or alkaline earth-hydroxide, alkali- or alkaline earth-carbonate, or alkali- or alkaline earth-sulfate component.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: March 18, 2025
    Assignee: Hilti Aktiengesellschaft
    Inventors: Mark Whittaker, Markus Schönlein
  • Patent number: 12252760
    Abstract: Disclosed is separation process of valuable metals from copper anode slime based on oxidation potential modulation, belonging to the technical field of industrial solid waste resource utilization. The differences in redox properties of different metal elements are used to precisely regulate the oxidation potential and acidity of the leaching solution by regulating the amount of oxidizing agent and acid added, so as to selectively and graded leaching and separating the copper (Cu), selenium (Se), tellurium (Te), and silver (Ag) metal elements, and the oxidants used are substances such as H2O2, O2 and O3.
    Type: Grant
    Filed: September 23, 2024
    Date of Patent: March 18, 2025
    Assignee: Institute of Process Engineering, Chinese Academy of Sciences
    Inventors: Tingyu Zhu, Yang Yang, Wenqing Xu, Guanjiang Yang, Xue Wang, Feng Qi
  • Patent number: 12252410
    Abstract: The present application pertains to processes for making calcium oxide and/or sulfuric acid from calcium sulfate. In some embodiments the processes comprise reacting a component comprising calcium sulfate with a second component comprising magnesium sulfite under conditions to form a solid comprising calcium sulfite and a solution comprising magnesium sulfate. Next, at least a portion of the solid comprising calcium sulfite is decomposed to form a second solid comprising calcium oxide, or calcium hydroxide, or cement, or clinker, or any combination thereof.
    Type: Grant
    Filed: July 15, 2024
    Date of Patent: March 18, 2025
    Inventor: Ethan Novek
  • Patent number: 12227426
    Abstract: This invention relates generally to a system and process for recovery of select minerals and lithium from a geothermal brine. The system and process are configured for the sequential recovery of zinc, manganese, and lithium from a Salton Sea Known Geothermal Resource Area brine. The system and process includes: 1) an impurity removal circuit; then 2) a continuous counter-current ion exchange (CCIX) circuit for selectively recovering lithium chloride from the brine flow and concentrating it using a CCIX unit; and then 3) a lithium chloride conversion circuit for converting lithium chloride to lithium carbonate or lithium hydroxide product.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: February 18, 2025
    Assignee: ILIAD IP COMPANY, LLC
    Inventors: John L. Featherstone, Paul J. Hanson, Michael J. Garska, Charles R. Marston
  • Patent number: 12225809
    Abstract: The present disclosure is directed to a coating composition including a graphene oxide and a solvent. At least one of a carboxyl group and an epoxide group of the graphene oxide is functionalized by an amine. The amine has an activation energy to an epoxide group of the graphene oxide of about ?3 kcal/mol to about 8 kcal/mol. A method of forming a stacked structure using the coating composition is provided. A method of manufacturing a display device using the coating composition is provided.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: February 11, 2025
    Assignees: SAMSUNG DISPLAY CO., LTD., DONGJIN SEMICHEM CO., LTD.
    Inventors: Hee Kyun Shin, Dong Kyun Seo, Jun Ho Sim, Woo Jin Cho, Byung Hoon Kang, Seung Jun Moon, Sun Chan Park, Hee Won Seo, Ji Eun Cho, Kyu Soon Shin
  • Patent number: 12215406
    Abstract: Provided is a method for removing arsenic from copper smelting soot and comprehensive recovery of valuable metals. According to the method, a metal leaching synergist is prepared through thiol-ene click chemical reaction, which is capable of reacting more effectively with arsenic and metal impurities in the copper smelting soot due to its special chemical structure, thereby improving leaching efficiency; and the cage-like structure of the polysilsesquioxane provides excellent chemical stability, the removal rate of harmful substances in the copper smelting soot can be increased by using the synergist, environmental pollution is reduced, meanwhile, the recovery rate of metal resources is increased, and the requirements of green chemistry and sustainable development are met. The present disclosure realizes the centralized management of As and also realizes the step-by-step recovery of valuable metals such as Cu, Zn, Pb, Bi, and In.
    Type: Grant
    Filed: August 8, 2024
    Date of Patent: February 4, 2025
    Assignee: SHANDONG HUMON SMELTING CO., LTD.
    Inventors: Junfeng Zhang, Lei Wang, Changqing Chu, Chenglin Li, Huinan Zhang, Minglei Shan, Junqing Zhao, Yandong Zhang, Feng Zhang, Guotao Yang, Yuling Niu
  • Patent number: 12209189
    Abstract: A vehicle surface treatment composition includes a colloidal inorganic oxide dispersion or a soluble silicate amenable to application to both porous and semi-porous vehicle hard surfaces to provide a multi-surface protective barrier that imparts water repellency and weathering protection properties to the vehicle finish. The composition provides a hard surface cleaning and forms a coating to the applied surface. The compositions provide treated surface properties that include keeping clean, scratch/mar defense, bug repellency, UV protection, and weathering defense. The compositions create treated surfaces that are highly smooth and lubricious which provide enhanced protection, while achieving a high luster finish with a streak free appearance. The composition is readily applied through resort to a conventional trigger spray application, propellant aerosol, or a sponge or cloth for wipe application onto the vehicle surface.
    Type: Grant
    Filed: July 27, 2021
    Date of Patent: January 28, 2025
    Assignee: Illinois Tool Works Inc.
    Inventors: Ali Alwattari, Tsao-Chin Clarence Huang, John Isidoro Escoto, Jr.
  • Patent number: 12195825
    Abstract: The invention provides an automated method for isolating a targeted isotope, the method having the steps of supplying a dissolved uranium targets into a first reaction environment; precipitating non-targeted isotope within the first reaction environment transferring liquid phase targeted isotope to a second reaction environment; precipitating the liquid phase targeted isotope in the second reaction environment; dissolving the precipitated targeted isotope; transferring the dissolved targeted isotope to a third reaction environment; and precipitating non-targeted isotope (i.e., iodine), such that the targeted isotope remains in the solution. Also provided is an automated system for isolating isotopes, the system having a plurality of reaction environments adapted to pneumatically receive and disgorge reactants and products via remotely actuated valves positioned between each of the reaction environments.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: January 14, 2025
    Inventors: David A. Rotsch, Thomas W. Brossard, Ronald T. Kmak, Peter Tkac
  • Patent number: 12179214
    Abstract: Described herein are technologies for concentrating rare-earth elements from a heavy fraction of grit in gangue produced in kaolin mining. In some examples, grit is separated as a non-clay fraction of gangue produced in a kaolin mining operation. The grit is separated into a heavy mineral grit sub-fraction and a light mineral grit sub-fraction. Rare-earth elements, particularly heavy rare-earth elements, are thereafter extracted from the heavy mineral grit sub-fraction using various extraction technologies.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: December 31, 2024
    Assignees: Georgia State University Research Foundation, Thiele Kaolin Company
    Inventors: W. Crawford Elliott, Daniel Joseph Gardner, Ed Riley, Prakash Malla
  • Patent number: 12180082
    Abstract: A method and apparatus of preparing lithium compound(s) from lithium-containing mineral includes a) a leaching step, wherein the lithium-containing mineral is leached in aqueous leach solution containing alkaline carbonate, for liberating lithium and phosphate(s) from the lithium-containing mineral, thus obtaining leach slurry containing lithium carbonate and phosphate(s) leach slurry, b) a carbonization step, wherein the leach slurry containing lithium carbonate and phosphate(s), obtained from the leaching step, is reacted with an alkali earth metal compound in the presence of CO2 for obtaining a carbonated slurry containing lithium hydrogen carbonate, and for precipitating phosphate(s) contained in the leach slurry as insoluble phosphate compound(s), c) a solid-liquid separation step, wherein the carbonated slurry obtained from carbonization step is subjected to solid-liquid separation wherein the undissolved mineral and phosphate compound(s) are separated as solids that can be recovered or discarded, there
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: December 31, 2024
    Assignee: OUTOTEC (FINLAND) OY
    Inventor: Marika Tiihonen
  • Patent number: 12180561
    Abstract: Provided are processes for extracting nickel and lithium from a Ni2+/Li+ solution. The process for extracting nickel and lithium includes providing a Ni2+/Li+ solution comprising an amount of lithium and an amount of nickel, treating the Ni2+/Li+ solution with an alkaline agent to adjust the pH of the Ni2+/Li+ solution to between about 1.0 to about 10.0, and treating the Ni2+/Li+ solution with a nickel selective extractant, the nickel selective extractant suitable to extract nickel from the Ni2+/Li+ solution at said pH to thereby produce a Li+ solution with less than 1000 parts per million Ni2+. Once complete, the process provides for recoverable nickel and/or lithium that may be recycled into batteries or sold for other uses.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: December 31, 2024
    Assignee: BASF Corporation
    Inventors: William C. Mays, Jack Bender, Benjamin Reichman, Diana Wong, Tinoush Dinn, Martin L. Panchula, Dieter G. Von Deak
  • Patent number: 12163204
    Abstract: A method for producing an aqueous solution containing nickel, cobalt and manganese, includes: a leaching process including a pressure-leaching process of leaching a raw material under pressure to form a leachate containing nickel, cobalt, manganese and impurities; an impurity removal process of removing the impurities from the leachate; a target substance precipitation process of precipitating a mixed hydroxide precipitate containing nickel, cobalt and manganese by introducing a neutralizing agent into a filtrate from which the impurities are removed; and a dissolution process. The pressure-leaching process includes a first-stage pressure-leaching process and a second-stage pressure-leaching process of pressure-leaching a residue of the first-stage pressure-leaching process with an acidity higher than an acidity in the first-stage pressure-leaching process.
    Type: Grant
    Filed: September 22, 2023
    Date of Patent: December 10, 2024
    Assignees: KOREA ZINC CO., LTD., KEMCO
    Inventors: Heon Sik Choi, Yun Birm Choi, Chang Young Choi, James Soung Choi
  • Patent number: 12151948
    Abstract: The present disclosure provides systems and methods for fast molten salt reactor fuel-salt preparation. In one implementation, the method may comprise providing fuel assemblies having fuel pellets, removing the fuel pellets and spent fuel constituents from the fuel assemblies, granulating the removed fuel pellets or process feed to a chlorination process, processing the granular spent fuel salt into chloride salt by ultimate reduction and chlorination of the uranium and associated fuel constituents chloride salt solution, enriching the granular spent fuel salt, chlorinating the enriched granular spent fuel salt to yield molten chloride salt fuel, analyzing, adjusting, and certifying the molten chloride salt fuel for end use in a molten salt reactor, pumping the molten chloride salt fuel and cooling the molten chloride salt fuel, and milling the solidified molten chloride salt fuel to predetermined specifications.
    Type: Grant
    Filed: January 27, 2023
    Date of Patent: November 26, 2024
    Assignee: Metatomic, Inc.
    Inventor: Donald Ken Baer
  • Patent number: 12152132
    Abstract: Provide is a rubber composition for a tire that improves mechanical properties beyond conventional levels. The rubber composition for a tire according to an embodiment of the present invention contains from 1 to 50 parts by mass of oxidized cellulose nanofibers blended in 100 parts by mass of diene rubber containing 5% by mass or greater of modified diene rubber having 0.1% by mol or greater of a polar group.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: November 26, 2024
    Assignees: The Yokohama Rubber Co., Ltd., Shinshu University
    Inventors: Tomoyuki Sakai, Masayuki Kawazoe, Toru Noguchi
  • Patent number: 12151231
    Abstract: A catalytic structure has a plurality of high-entropy alloy (HEA) nanoparticles. Each HEA nanoparticle is composed of a homogeneous mixture of elements of cobalt (Co), molybdenum (Mo), and at least two transition metal elements. For example, in some embodiments, each HEA nanoparticle is a quinary mixture of Co, Mo, iron (Fe), nickel (Ni), and copper (Cu). The homogeneous mixture in each HEA nanoparticle forms a single solid-solution phase. The catalytic structure is used to catalyze a chemical reaction, for example, ammonia decomposition or ammonia synthesis. Methods for forming the catalytic structure are also disclosed.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: November 26, 2024
    Assignees: University of Maryland, College Park, The Johns Hopkins University
    Inventors: Liangbing Hu, Chao Wang, Pengfei Xie, Yonggang Yao
  • Patent number: 12142770
    Abstract: A carbon material for use as a catalyst carrier for a polymer electrolyte fuel cell which is a porous carbon material and satisfies at the same time (1) the content of a crystallized material is 1.6 or less, (2) the BET specific surface area obtained by a BET analysis of a nitrogen gas adsorption isotherm is from 400 to 1500 m2/g, (3) the cumulative pore volume V2-10 with respect to a pore diameter of from 2 to 10 nm obtained by an analysis of a nitrogen gas adsorption isotherm using the Dollimore-Heal method is from 0.4 to 1.5 mL/g, and (4) the nitrogen gas adsorption amount Vmacro between a relative pressure of 0.95 and 0.99 in a nitrogen gas adsorption isotherm is from 300 to 1200 cc (STP)/g, and the method of producing the same.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: November 12, 2024
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Takashi Iijima, Kenichiro Tadokoro, Masataka Hiyoshi, Shinya Furukawa, Tomoko Komura, Kazuyoshi Masaki, Hiroyuki Hayashida, Wakana Tada
  • Patent number: 12138622
    Abstract: According to embodiments, a method of producing a catalyst composition may include forming a slurry including an initial zeolite material, a surfactant, silica, and metal precursors, wherein the metal precursors contain a nickel-containing compound and a silver-containing compound, extruding the slurry to produce an extrudate, drying and calcining the extrudate to form a dried and calcined extrudate, hydrothermally treating the dried and calcined extrudate to form a hydrothermally-treated extrudate, and drying and calcining the hydrothermally-treated extrudate to produce the catalyst composition, wherein the catalyst composition includes zeolite, one or more oxides of nickel, and one or more oxides of silver.
    Type: Grant
    Filed: October 21, 2022
    Date of Patent: November 12, 2024
    Assignee: Saudi Arabian Oil Company
    Inventors: Munir D. Khokhar, Anne Madden, Sohel K. Shaikh
  • Patent number: 12129178
    Abstract: A preparation method of an SSZ-13 zeolite membrane is provided, and the SSZ-13 zeolite membrane belongs to the technical field of zeolite membranes. The problem that the SSZ-13 zeolite membranes synthesized in the art have a poor quality and a large thickness is solved. A FAU-type zeolite is used as a raw material, and transformed into an SSZ-13 zeolite with a particle size of 210 nm through intergranular transformation, with a mass yield of 91.2%. A crystal seed prepared by the preparation method has a small particle size and a small thickness.
    Type: Grant
    Filed: January 22, 2024
    Date of Patent: October 29, 2024
    Assignee: NANJING TECH UNIVERSITY
    Inventors: Xuerui Wang, Xingyu Peng, Lekai You, Shengyuan Ren, Wen Bo, Xuehong Gu
  • Patent number: 12123075
    Abstract: A copper/molybdenum separation processor is provide featuring a slurry/media mixture stage configured to receive a conditioned pulp containing hydrophobic molybdenite and hydrophilic copper, iron and other minerals that is conditioned with sodium hydrosulfide together with an engineered polymeric hydrophobic media, and provide a slurry/media mixture; and a slurry/media separation stage configured to receive the slurry/media mixture, and provide a slurry product having a copper concentrate and a polymerized hydrophobic media product having a molybdenum concentrate that are separately directed for further processing. The slurry/media mixture stage include a molybdenum loading stage configured to contact the conditioned pulp with the engineered polymeric hydrophobic media in an agitated reaction chamber, and load the hydrophobic molybdenite on the engineered polymeric hydrophobic media.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: October 22, 2024
    Assignee: CIDRA CORPORATE SERVICES INC.
    Inventors: Paul J. Rothman, Mark R. Fernald, Peter A. Amelunxen