Patents Examined by Cam N. Nguyen
  • Patent number: 12291794
    Abstract: Electrosynthesis of oxirane can include contacting a halide electrolyte with an anode and cathode respectively located in anodic and cathodic compartments; supplying olefin reactants into the electrolyte in the anodic compartment, such that the anode generates ethylene chlorohydrin; withdrawing a loaded anodic solution comprising ethylene halohydrin from the anodic compartment, and a loaded cathodic solution comprising OH? ions from the cathodic compartment; and mixing the loaded anodic solution with the loaded cathodic solution under conditions to react ethylene halohydrin with OH— to produce oxirane. The electrocatalyst can include iridium oxide on a titanium substrate, with the iridium oxide provided as nanoparticles on a titanium mesh, and the electrolyte can be aqueous KCl.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: May 6, 2025
    Assignee: THE GOVERNING COUNCIL OF THE UNIVERSITY OF TORONTO
    Inventors: Wan Ru Leow, Yanwei Lum, Edward Sargent
  • Patent number: 12290798
    Abstract: A method for obtaining metal oxides supported on mesoporous silica particles includes a) providing a solution of at least one metal salt, b) providing a solution of at least one template forming agent of the general formula (I) Y3Si(CH2)n—X (I), wherein X is a complexing functional group; Y is —OH or a hydrolysable moiety selected from the group containing halogen, alkoxy, aryloxy, acyloxy, c) mixing the metal salt solution and the complex forming agent solution to obtain a metal precursor; d) adding at least one solution containing at least one pore structure directing agent to the metal precursor to obtain a metal precursor template mixture; e) adding at least one alkali silicate solution to the metal precursor template mixture at room temperature to obtain a silica-supported metal complex; and f) calcination of the silica-supported metal complex under air to obtain the supported metal oxide mesoporous silica particles.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: May 6, 2025
    Assignee: TECHNISCHE UNIVERSITÄT BERLIN
    Inventors: Maria Colmenares, Tomos Harris, Julien Sialelli, Javier Silva Mora, Arne Thomas
  • Patent number: 12280362
    Abstract: A bismuth iodide oxide/zinc oxide composite material, a preparation method therefor and an application thereof in piezoelectric photocatalytic removal of organic pollutants. The conductive substrate spin-coated with a zinc oxide seed solution is annealed and added to the precursor solution for reaction to obtain a zinc oxide nanorod array (ZnO NRs); the zinc oxide nanorod array is added into a bismuth iodide precursor solution for reaction to obtain the bismuth iodide oxide/zinc oxide composite material (BiOI/ZnO NAs). The composite material is put into an aqueous solution containing bisphenol A, adsorption is performed in the dark for half an hour, and then ultrasound and visible light are used together to remove organic pollutants in the water. After piezoelectric photocatalytic degradation of 90 minutes, bisphenol A in the aqueous solution is almost completely degraded.
    Type: Grant
    Filed: November 8, 2020
    Date of Patent: April 22, 2025
    Assignee: SOOCHOW UNIVERSITY
    Inventors: Jianmei Lu, Najun Li
  • Patent number: 12275001
    Abstract: In accordance with the technology herein disclosed, an exhaust gas purification catalyst exhibiting a high exhaust gas purifying performance using a new rare earth-containing material is provided. The exhaust gas purification catalyst herein disclosed includes a base material and a catalyst layer formed on the surface of the base material. The catalyst layer of such an exhaust gas purification catalyst includes rare earth-carrying alumina 50 including a primary particle of a rare earth particle 40 including at least one rare earth element carried on the surface of an alumina carrier 30 including alumina, and the average particle diameter D50 based on TEM observation of the rare earth particle 40 in the rare earth-carrying alumina 50 is 10 nm or less. As a result of this, it is possible to provide an exhaust gas purification catalyst having high NOx adsorption performance and CO adsorption performance.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: April 15, 2025
    Assignee: Cataler Corporation
    Inventors: Shunsuke Oishi, Takaya Ota, Taku Miura, Hiromi Togashi, Ryosuke Takasu
  • Patent number: 12269015
    Abstract: The present invention relates to a catalyst for obtaining chlorine (Cl2) through an oxidation reaction of hydrogen chloride (HCl), and more particularly, to an oxidation reaction catalyst for preparing Cl2 from HCl by addition of a second heterogeneous material to a RuO2-supported catalyst using TiO2 as a support, and a preparation method therefor. According to an embodiment of the present invention, a hydrogen chloride oxidation reaction catalyst for use in a method for preparing chlorine by oxidizing hydrogen chloride includes a support and a heterogeneous material in an active ingredient. The catalyst according to the present invention has both increased catalytic activity at a low temperature and enhanced thermal stability, and thus a catalyst having improved durability such as thermal stability at a high temperature is provided. Therefore, since thermal stability is secured, the performance of the catalyst is maintained for a long time even at a high temperature.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: April 8, 2025
    Assignee: HANWAH SOLUTIONS CORPORATION
    Inventors: Jeong Hwan Chun, Young Jin Cho, Won Yong Kim, Eun Ji Woo, Ga Ram Lee
  • Patent number: 12264106
    Abstract: A cerium-zirconium-aluminum-based composite material, a cGPF catalyst and a preparation method thereof are provided. The cerium-zirconium-aluminum-based composite material adopts a stepwise precipitation method, firstly preparing an aluminum-based pre-treated material, then coprecipitating the aluminum-based pre-treated material with zirconium and cerium sol, and finally roasting at high temperature to obtain the cerium-zirconium-aluminum-based composite material. The cerium-zirconium-aluminum-based composite material has better compactness and higher density, and when it is used in cGPF catalyst, it occupies a smaller volume of pores on the catalyst carrier, such that cGPF catalyst has lower back pressure and better ash accumulation resistance, which is beneficial to large-scale application of cGPF catalyst.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: April 1, 2025
    Assignee: SINOTECH COMPANY LIMITED
    Inventors: Dacheng Li, Jinfeng Wang, Li Lan, Hui Ye, Lan Yang, Feng Zhang, Yi Yang, Yongxiang Cheng, Tiantian Luo, Yinhua Dong, Yun Wang, Yun Li, Qizhang Chen
  • Patent number: 12251680
    Abstract: Provided are a hierarchical porous defect UiO-66 material and a preparation method thereof. The method includes the following steps: mixing a zirconium ion source, a mixed ligand, an organic acid, an organic good solvent, and water to obtain a mixture; and subjecting the mixture to reaction while heating, washing, freeze-drying, and heat treatment in sequence to obtain the hierarchical porous defect UiO-66 material; where hierarchical pores of the hierarchical porous defect UiO-66 material comprise micropores and mesopores; the micropores each have a pore size of not greater than 2 nm; the mesopores each have a pore size of 2 nm to 4 nm; the mixed ligand includes terephthalic acid and a trisubstituted benzene series; and the trisubstituted benzene series is one or two selected from the group consisting of 2-aminoterephthalic acid and 2-aminoisophthalic acid.
    Type: Grant
    Filed: April 20, 2024
    Date of Patent: March 18, 2025
    Assignee: SHANGHAI JIAO TONG UNIVERSITY
    Inventors: Jinming Luo, Chunyu Lv, Yitao Pan, Nanwen Zhu
  • Patent number: 12251690
    Abstract: A single atom catalyst and a method of forming the same are provided. The single atom catalyst comprises a support comprising a first metal oxide and a second metal atom located in the first metal oxide. The method of forming the single atom catalyst comprises forming a sacrificial nanoparticle, coating the sacrificial nanoparticle with a first metal oxide, adsorbing a second metal atom to the first metal oxide, forming a sacrificial layer on the support, and heating the first metal oxide.
    Type: Grant
    Filed: January 3, 2020
    Date of Patent: March 18, 2025
    Assignees: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, INSTITUTE FOR BASIC SCIENCE
    Inventors: Taeghwan Hyeon, Byounghoon Lee
  • Patent number: 12251683
    Abstract: A three-way catalyst article, and its use in an exhaust system for internal combustion engines, is disclosed. The catalyst article for treating exhaust gas comprising: a substrate comprising an inlet end and an outlet end with an axial length L; and a first catalytic region on the substrate; wherein the first catalytic region comprises a first PGM component and a first alumina, wherein the first alumina is doped with a first dopant of at least 5 wt. %, and wherein the first dopant is selected from the group consisting of Zr, Ta, Mo, W, Ti, Nb, and a combination thereof.
    Type: Grant
    Filed: December 12, 2023
    Date of Patent: March 18, 2025
    Assignee: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
    Inventors: Shuhei Nagaoka, Xiaorui Zhang
  • Patent number: 12251691
    Abstract: An exhaust gas purification filter is used so as to support a NOX purification catalyst. The exhaust gas purification filter includes a honeycomb structure portion and a plug portion. The honeycomb structure portion includes a partition wall and cells. Numerous pores are formed in the partition wall. The cells are partitioned by the partition walls and form a flow path for an exhaust gas. The plug portion alternately seals an inflow end surface or an outflow end surface for the exhaust gas in the cells. The partition wall has a gas permeability coefficient that is equal to or greater than 0.35×10?12 m2, a pore volume ratio of pore diameters of 9 ?m or less that is equal to or less than 25%, and an average pore diameter that is equal to or greater than 12 ?m.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: March 18, 2025
    Assignee: DENSO CORPORATION
    Inventor: Hiroaki Kayama
  • Patent number: 12251682
    Abstract: A production method comprises the steps of obtaining a mixed slurry by adding an alumina component and at least one selected from an alumina component and a clay mineral to a binder containing a silicon oxide; obtaining a metal trapping precursor by mixing the mixed slurry with a compound of a first metal component and heating the mixed slurry of metal component; and obtaining a metal trapping by drying and calcining the metal trapping precursor. A metal trapping comprises: a binder mainly containing silicon oxide, one or two selected from an alumina component and a clay mineral, and an oxide of a first metal component; having no peak of silicate of the first metal component detected in X-ray diffraction analysis, having an attrition resistance index CAI within a predetermined range. A fluid catalytic cracking catalyst comprises the metal trapping, a zeolite component, a binder component, and a clay mineral component.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: March 18, 2025
    Assignee: JGC Catalysts and Chemicals Ltd.
    Inventors: Mayumi Eto, Takaki Mizuno, Tomohiro Mitsui, Hiroshi Yamazaki, Hiroki Hasegawa
  • Patent number: 12246307
    Abstract: Ceramic articles such as catalyst carriers that include a continuous matrix and a dispersed phase distributed within the matrix as a plurality of discrete regions are disclosed. The matrix and discreet regions have different dye penetration test values. The disclosure also relates to methods of making and characterizing ceramic articles, and to catalyst bodies including the ceramic articles.
    Type: Grant
    Filed: October 12, 2023
    Date of Patent: March 11, 2025
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Matthew J. Thompson, Thomas Szymanski, Randall Clayton Yeates, James M. Ralph
  • Patent number: 12244022
    Abstract: A support and metal catalyst with improved electric conductivity is provided. A support and metal catalyst, including: a support powder; and metal fine particles supported on the support powder; wherein: the support powder is an aggregate of support fine particles; the support fine particles have a chained portion structured by a plurality of crystallites being fusion bonded to form a chain; the support fine particles are structured with metal oxide; and the metal oxide is doped with a dopant element, and an atomic ratio of titanium with respect to total of titanium and tin is 0.30 to 0.80, is provided.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: March 4, 2025
    Assignees: University of Yamanashi, Nihon Kagaku Sangyo Co., Ltd.
    Inventors: Katsuyoshi Kakinuma, Makoto Uchida, Akihiro Iiyama, Isao Amemiya, Chisato Arata, Sumitaka Watanabe
  • Patent number: 12233404
    Abstract: The present invention provides an exhaust gas purification catalyst including a base material and a catalyst layer that is arranged on the base material. The catalyst layer includes a catalyst metal and a carrying material carrying the catalyst metal. The catalyst layer satisfies below: (1) in a pore distribution curve measured by a mercury porosimeter, a peak for the largest pore volume exists within a range of a pore diameter equal to or more than 1 ?m and not more than 10 ?m; and (2) on an electron microscopy observation image (with a 1000-fold magnification) of a surface of the catalyst layer, when areas of a plurality of voids comprised in the electron microscopy observation image are respectively calculated, a standard deviation for the areas of the plurality of voids is not more than 30 ?m2.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: February 25, 2025
    Assignee: Cataler Corporation
    Inventor: Chihiro Kasuya
  • Patent number: 12226755
    Abstract: An exhaust gas purification catalyst showing resistance to peeling and high purification performance is provided. The present invention is an exhaust gas purification catalyst including a base material and a catalyst layer disposed on the base material. The catalyst layer includes a catalytic metal, a first metal oxide, and a second metal oxide having a higher heat resistance than that of the first metal oxide. When Dx is an area-based average particle diameter of the first metal oxide determined from an arbitrary cross section of the catalyst layer and Dy is an area-based particle diameter of the second metal oxide 22 measured from the cross section of the catalyst layer, a ratio of the Dy to the Dx (Dy/Dx) is 5 or more, and the Dy is 7 ?m or more. In the catalyst layer, pore volume of pores having pore diameters 30 nm or more measured by a nitrogen adsorption method is 0.28 cm3/g or more.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: February 18, 2025
    Assignee: Cataler Corporation
    Inventors: Ryosuke Takasu, Shunsuke Oishi, Takaya Ota
  • Patent number: 12226753
    Abstract: An ammoxidation catalyst includes a metal oxide represented by Chemical Formula 1 supported on a silica carrier, wherein the catalyst has pores having a diameter of 5 to 200 nm, a pore volume of 0.1 to 3.0 cm3/g, and a BET surface area of 50 m2/g to 1,000 m2/g: Mo12BiaFebAcBdCeOx??Chemical Formula 1 wherein in Chemical Formula 1, A is one or more elements of Ni, Mn, Co, Zn, Mg, Ca, and Ba, B is one or more elements of Li, Na, K, Rb, and Cs, C is one or more elements of Cr, W, B, Al, Ca, and V, and a to e, and x are respectively fractions of each atom or atomic group, wherein a is 0.1 to 5, b is 0.1 to 5, c is 0.1 to 10, d is 0.1 to 2, e is 0 to 10, and x is 24 to 48.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: February 18, 2025
    Assignee: LG CHEM, LTD.
    Inventors: Kyungyeon Kang, Ji Yeon Kim, Jun Seon Choi
  • Patent number: 12226757
    Abstract: An ammoxidation catalyst includes a metal oxide represented by Chemical Formula 1, wherein a first peak having intensity of A appears in the 2? range of 26.3=0.5°, and a second peak having intensity of B appears in the 2? range of 28.3±0.5° in X ray diffraction analysis by CuK?, and an intensity ratio (A/B) of the first peak to the second peak is 1.5 or more: MoxBiaFebAcBdCeDfOy??Chemical Formula 1 wherein in Chemical Formula 1, A and B are different from each other, and each independently, are one or more elements of Ni, Mn, Co, Zn, Mg, Ca, and Ba, C is one or more elements of Li, Na, K, Rb, and Cs, D is one or more elements of Cr, W, B, Al, Ca, and V, a to f, x, and y are respectively mole fractions of each atom or atomic group, a is 0.1 to 7, b is 0.1 to 7, provided that the sum of a and b is 0.1 to 7, c is 0.1 to 10, d is 0.01 to 5, e is 0.1 to 10, f is 0 to 10, x is 11 to 14, y is a value determined by each oxidation number of Mo, Bi, Fe, A, B, C, and D.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: February 18, 2025
    Assignee: LG CHEM, LTD.
    Inventors: Ji Yeon Kim, Kyungyeon Kang, Jun Seon Choi
  • Patent number: 12201965
    Abstract: An exhaust gas purification catalyst provides excellent removal performance of methane, which is chemically stable. Exhaust gas purification catalyst includes a substrate that divides cells through which an exhaust gas flows and a catalyst layer that is provided on a surface of the substrate. The catalyst layer includes a palladium layer containing palladium that extends from a first end part which is an end part on the side into which an exhaust gas in the cells flows to a second end part which is an end part on the side from which an exhaust gas flows out, a platinum layer containing platinum that extends from the second end part to the first end part, and a rhodium layer containing rhodium that is laminated with both the palladium layer and the platinum layer.
    Type: Grant
    Filed: January 5, 2024
    Date of Patent: January 21, 2025
    Assignee: Cataler Corporation
    Inventors: Takahiro Noguchi, Ryota Onoe, Ryo Tasaki, Momoko Iwai, Yamato Matsushita
  • Patent number: 12194449
    Abstract: Ceramic honeycomb bodies and methods for then manufacture are provided. The ceramic honeycomb body comprises a bulk density of less than 210 g/L, a geometric surface area (GSA) greater than 93 in?1 (3.66 mm?1), a mechanical integrity factor (MIF) greater than 0.28%, and a back pressure factor (BPF) greater than 0.4 mm2.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: January 14, 2025
    Assignee: Corning Incorporated
    Inventors: David Jack Bronfenbrenner, Michael James Lehman
  • Patent number: 12179178
    Abstract: A hydrocarbon reforming catalyst for forming a synthetic gas containing hydrogen and carbon monoxide from a hydrocarbon-based gas, the hydrocarbon reforming catalyst containing a complex oxide having a perovskite structure, the complex oxide having at least a first crystal phase containing BaCeO3 as a primary component and also containing Ru.
    Type: Grant
    Filed: December 15, 2021
    Date of Patent: December 31, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Hideto Sato, Akihiro Takeuchi