Patents Assigned to JGC Catalysts and Chemicals Ltd.
  • Patent number: 11896959
    Abstract: To provide a catalyst capable of hydrotreating a hydrocarbon oil with high desulfurization activity. A hydrotreating catalyst for a hydrocarbon oil includes: an inorganic composite oxide carrier including alumina as a main component; and an active metal component supported on the carrier, the active metal component including, as active metal species, a first metal which is at least one of molybdenum and tungsten, and a second metal which is at least one of cobalt and nickel, the hydrotreating catalyst for having a Lewis acid amount and a Brönsted acid amount per unit surface area of 0.80 ?mol/m2 or more and 0.03 ?mol/m2 or less, respectively, as measured by pyridine desorption at 250° C. and a BET single-point method.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: February 13, 2024
    Assignee: JGC Catalysts and Chemicals Ltd.
    Inventors: Yusuke Matsumoto, Midori Kobayashi, Hisaya Ishihara
  • Patent number: 11891307
    Abstract: A silica-based particle dispersion including a silica-based particle group and a high polishing rate and high surface precision is achieved to a silica-based substrate or a NiP-plated substrate to be polished or the like. A silica-based particle dispersion containing a group including irregularly-shaped and non-irregularly-shaped silica-based particles, wherein the irregularly-shaped silica-based particles each have a plurality of small holes thereinside and a covering silica layer which covers the core, and the silica-based particle group satisfies [1]-[3]. [1] Having an average particle size (D1) of 100-600 nm, and a particle size (D2) of 30-300 nm in terms of specific surface area. [2] An irregular-shape degree D (D=D1/D3) represented by the average particle size (D1) and a projected area-equivalent particle size (D3) being in the range of 1.1-5.0. [3] When waveform separation is performed on a volume-reference particle size distribution, a multi-peak distribution in which three or more peaks are detected.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: February 6, 2024
    Assignee: JGC CATALYSTS AND CHEMICALS LTD.
    Inventors: Michio Komatsu, Kazuhiro Nakayama, Tetsuya Tanaka, Yuji Tawarazako, Tatsuya Mukai, Yuki Miwa
  • Publication number: 20240002712
    Abstract: A method of producing a dispersion of irregularly shaped silica-based fine particles according to the invention includes steps (a) to (f) below: Step (a): obtaining a seed particle precursor dispersion by adjusting an aqueous alkali silicate solution so that ionic strength is 0.4 or more; Step (b): subjecting the seed particle precursor dispersion to heat-aging; Step (c): obtaining a seed particle dispersion by adding an acidic silicic acid solution to the seed particle precursor dispersion subjected to the heat-aging; Step (d): adjusting the seed particle dispersion so that the ionic strength is 0.25 or more; Step (e): subjecting the seed particle dispersion, of which SiO2 concentration and ionic strength are adjusted, to heat-aging: and Step (f): obtaining a dispersion of irregularly shaped silica-based fine particles that contains irregularly shaped silica-based fine particles by adding an acidic silicic acid solution to the seed particle dispersion subjected to the heat-aging.
    Type: Application
    Filed: July 30, 2021
    Publication date: January 4, 2024
    Applicant: JGC CATALYSTS AND CHEMICALS LTD.
    Inventors: Kazuhiro NAKAYAMA, Daisuke YAMADA
  • Patent number: 11806421
    Abstract: The porous-cellulose particles according to the present invention are constituted by gathered crystalline celluloses having a type I crystal form including a glucose molecule as a constitutional unit. That is, porous-cellulose particles having high sphericity have been achieved from a natural raw material. The porous-cellulose particles have an average particle diameter of 0.5 to less than 50 ?m, a specific surface area of 50 to 1000 m2/g, and a sphericity of 0.85 or more. Cosmetic products containing such porous-cellulose particles have excellent texture properties.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: November 7, 2023
    Assignee: JGC CATALYSTS AND CHEMICALS LTD.
    Inventors: Satoshi Watanabe, Naoyuki Enomoto, Ikuko Shimazaki
  • Patent number: 11731114
    Abstract: A fluid catalytic cracking catalyst for hydrocarbon oil that is a blend of two types of fluid catalytic cracking catalysts each of which has a different hydrogen transfer reaction activity or has a pore distribution within a specific range after being pseudo-equilibrated. One catalyst is a catalyst containing a zeolite and matrix components, and the other catalyst is a catalyst containing a zeolite and matrix components. This catalyst is composed of the one catalyst and the other catalyst blended at a mass ratio within a range of 10:90 to 90:10.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: August 22, 2023
    Assignee: JGC CATALYSTS AND CHEMICALS LTD.
    Inventors: Takaki Mizuno, Chisuzu Tanaka, Tomohiro Mitsui
  • Patent number: 11701307
    Abstract: There is provided a spherical organic-inorganic composite particle having good biodegradability. The organic-inorganic composite particle according to the present invention includes 1 to 79% by weight of a silica component and 21 to 99% by weight of a biodegradable plastic. The organic-inorganic composite particle has an average particle diameter d1 of 0.5 to 25 ?m, a true density of 1.03 to 2.00 g/cm3, and a sphericity of 0.80 or more. A cosmetic product including the organic-inorganic composite particle having such properties has excellent texture properties.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: July 18, 2023
    Assignee: JGC CATALYSTS AND CHEMICALS LTD.
    Inventors: Satoshi Watanabe, Naoyuki Enomoto, Ikuko Shimazaki
  • Patent number: 11679990
    Abstract: Provided are titanium oxide fine particles which are excellent in transparency and are less photocatalytically active while maintaining a high refractive index, a dispersion of such fine particles, and a method for producing such a dispersion. The method for producing a dispersion of iron-containing rutile titanium oxide fine particles including a step (1) of neutralizing an aqueous metal mineral acid salt solution containing Ti and Fe in Fe2O3/(TiO2+Fe2O3)=0.001 to 0.010 to form an iron-containing hydrous titanic acid; a step (2) of adding an aqueous hydrogen peroxide solution to form an aqueous solution of iron-containing peroxotitanic acid having an average particle size of 15 to 50 nm; a step (3) of adding a tin compound so as to satisfy TiO2/SnO2=6 to 16; a step (4) of adding a sol of silica-based fine particles which contain Si and a metal element M in SiO2/MOx/2=99.9/0.1 to 80/20, the addition being made so as to satisfy SiO2/(oxides of the other elements)=0.08 to 0.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: June 20, 2023
    Assignee: JGC Catalysts and Chemicals Ltd.
    Inventors: Jun Yamaguchi, Takumi Miyazaki, Ryo Muraguchi, Tatsuya Uehara
  • Patent number: 11661554
    Abstract: Provided is a hydrotreating catalyst for a heavy hydrocarbon oil, the catalyst including an inorganic oxide carrier including alumina as a main component and a metal component supported on the inorganic oxide carrier, the catalyst having a specific surface area within a predetermined range, a reduction peak temperature that is lower than 450° C. in temperature-programmed reduction measurement of the catalyst and that is higher than or equal to a predetermined temperature, and an amount of nitrogen monoxide adsorbed on the sulfided catalyst within a predetermined range.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: May 30, 2023
    Assignee: JGC Catalysts and Chemicals Ltd.
    Inventors: Hiroshi Shintaku, Kenji Yamane, Yusuke Matsumoto
  • Publication number: 20230159342
    Abstract: A faujasite-type zeolite has an IR spectrum in which the IR spectrum has an absorption band 1 including surface silanol groups and having a local maximum in a range from 3730 cm?1 to 3760 cm?1, and an absorption band 2 including acidic hydroxyl groups and having a local maximum in a range from 3550 cm?1 to 3700 cm?1, a ratio (h1/h2) of a peak height (h1) of the absorption band 1 to a peak height (h2) of the absorption band 2 being less than 1.2.
    Type: Application
    Filed: April 16, 2021
    Publication date: May 25, 2023
    Applicant: JGC CATALYSTS AND CHEMICALS LTD.
    Inventors: Yuichi HAMASAKI, Chizu INAKI, Shunji TSURUTA
  • Patent number: 11618858
    Abstract: In accordance with one or more embodiments of the present disclosure, a method for hydrodearylating aromatic bottoms oil includes contacting at least one aromatic bottoms oil stream with at least one catalyst composition and hydrogen in a reactor in order to hydrodearylate the aromatic bottoms oil stream. The catalyst composition includes a catalyst support comprising framework-substituted ultra-stable Y-type (USY) zeolite substituted with at least zirconium atoms. The catalyst composition does not include a hydrogenative metal component disposed on the support.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: April 4, 2023
    Assignees: Saudi Arabian Oil Company, JGC Catalysts and Chemicals Ltd., Japan Cooperation Center Petroleum
    Inventors: Omer Refa Koseoglu, Robert Peter Hodgkins, Koji Uchida
  • Patent number: 11613683
    Abstract: There is provided a production method of a chain silica particle dispersion. This production method includes a dispersion preparation step of hydrolyzing alkoxysilane in the presence of ammonia to prepare a silica particle dispersion, an ammonia removal step of removing the ammonia from the silica particle dispersion such that an ammonia amount relative to silica contained in the silica particle dispersion is 0.3% by mass or less, and a hydrothermal treatment step of hydrothermally treating the silica particle dispersion having a silica concentration of 12% by mass or more, from which the ammonia has been removed, at a temperature of not lower than 150° C. and lower than 250° C. An abrasive including such chain silica particles is high in polishing rate and excellent in polishing properties.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: March 28, 2023
    Assignee: JGC CATALYSTS AND CHEMICALS LTD.
    Inventors: Miki Egami, Masanobu Taniguchi, Mitsuaki Kumazawa, Ryo Muraguchi
  • Patent number: 11566185
    Abstract: According to one or more embodiments described herein, a method for cracking a hydrocarbon oil may include contacting the hydrocarbon oil with a fluidized cracking catalyst including an ultra-stable Y-type zeolite in a fluidized catalytic cracking unit to produce light olefins, gasoline fuel, and coke. At least 99 wt. % of the hydrocarbon oil may have a boiling point greater than 350° C. The ultra-stable Y-type zeolite may be a framework-substituted zeolite in which a part of aluminum atoms constituting a zeolite framework thereof is substituted with 0.1-5 mass % zirconium atoms and 0.1-5 mass % titanium ions on an oxide basis. The fluidized cracking catalyst may include from 3.5 wt. % to 10 wt. % of one or more Group 7 metal oxides.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: January 31, 2023
    Assignees: Saudi Arabian Oil Company, JGC Catalysts and Chemical Ltd., Japan Cooperation Center Petroleum
    Inventors: Omer Refa Koseoglu, Yaming Jin, Tatsuaki Hasegawa, Takaki Mizuno, Naoyuki Kido, Seiji Arakawa
  • Patent number: 11542167
    Abstract: Provided is a production method of a silica particle dispersion liquid which includes, preparing a linked silica particle by adding a liquid A containing alkoxysilane and a liquid B containing an alkali catalyst to a liquid containing water, an organic solvent, and an alkali catalyst in a container. The preparing a linked silica particle includes initially adding an alkali catalyst, the initially adding an alkali catalyst includes decreasing a molar ratio of an alkali catalyst to silica in the liquid in the container to 0.15 to 0.60 by adding the liquid A containing alkoxysilane to the liquid in the container, and increasing the molar ratio by 0.2 or more by adding the liquid B to the liquid having the decreased molar ratio in the container.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: January 3, 2023
    Assignee: JGC CATALYSTS AND CHEMICALS LTD.
    Inventors: Shogo Hayashi, Miki Egami, Mitsuaki Kumazawa, Ryo Muraguchi, Michio Komatsu
  • Patent number: 11505717
    Abstract: An object of the present invention is to provide a nanobubble-containing inorganic oxide fine particle dispersion having excellent concentration stability in a process used as an abrasive. The object is achieved by the nanobubble-containing inorganic oxide fine particle dispersion including: inorganic oxide fine particles having an average particle size of 1 to 500 nm and containing fine particles containing Ce; and nanobubbles having an average cell size of 50 to 500 nm and being at least one non-oxidizing gas selected from a group consisting of N2 and H2.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: November 22, 2022
    Assignee: JGC CATALYSTS AND CHEMICALS LTD.
    Inventors: Michio Komatsu, Hiroyasu Nishida, Kazuhiro Nakayama
  • Patent number: 11492513
    Abstract: A polishing composition that can not only achieve high polishing speed, but also can improve the surface smoothness (surface quality) of a polished substrate and reduce defects is provided. That is, provided is a polishing composition comprising silica particles and a water soluble polymer, wherein the contained silica particles satisfy the following requirements (a) to (c): (a) the primary particle diameter based on the specific surface area is 5 to 300 nm; (b) the coefficient of variation in the particle diameter is 10% or less; and (c) the Sears number Y is 10.0 to 12.0.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: November 8, 2022
    Assignee: JGC CATALYSTS AND CHEMICALS LTD.
    Inventors: Miki Egami, Mitsuaki Kumazawa, Ryo Muraguchi, Michio Komatsu
  • Patent number: 11484869
    Abstract: The present disclosure relates to a process for the hydrodealkylation of aromatic rich hydrocarbon streams to produce benzene, toluene and mixed xylenes (BTX), with high selectivity towards high value xylenes. The process uses catalysts containing a framework-substituted zirconium and/or titanium and/or hafnium-modified ultra-stable Y (USY) type zeolite.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: November 1, 2022
    Assignees: Saudi Arabian Oil Company, JGC Catalysts and Chemicals Ltd., Japan Cooperation Center, Petroleum
    Inventors: Omer Refa Koseoglu, Robert Peter Hodgkins, Mitsunori Watabe, Koji Uchida
  • Patent number: 11484868
    Abstract: In accordance with one or more embodiments of the present disclosure, a catalyst composition includes a catalyst support and at least one hydrogenative component disposed on the catalyst support. The catalyst support includes at least one USY zeolite having a framework substituted with titanium and/or zirconium and/or hafnium. The framework-substituted USY zeolite has an average crystallite size from 5 ?m to 50 ?m. Methods of making and using such a catalyst in a hydrocracking process are also disclosed.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: November 1, 2022
    Assignees: Saudi Arabian Oil Company, JGC Catalysts and Chemicals Ltd., Japan Cooperation Center Petroleum
    Inventors: Omer Refa Koseoglu, Robert Peter Hodgkins, Mitsunori Watabe, Koji Uchida
  • Patent number: 11446645
    Abstract: A fluid catalytic cracking catalyst composition (FCC catalyst composition) includes a framework-substituted ultra-stable Y-type zeolite (USY zeolite) having one or more transition metals substituted into the framework of a USY zeolite and a FCC zeolite cracking additive. A method for upgrading a hydrocarbon feed includes contacting the hydrocarbon feed with the FCC catalyst composition of the present disclosure at reaction conditions sufficient to upgrade at least a portion of the hydrocarbon feed. A method for upgrading a hydrocarbon feed includes passing the hydrocarbon feed to a fluid catalytic cracking unit, contacting the hydrocarbon feed with a FCC catalyst composition in the fluid catalytic cracking unit under reaction conditions sufficient to cause at least a portion of the hydrocarbon feed to undergo cracking reactions to produce a cracking reaction mixture comprising a used FCC catalyst composition and a cracked effluent comprising one or more olefins.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: September 20, 2022
    Assignees: Saudi Arabian Oil Company, JGC Catalysts and Chemicals Ltd., Japan Cooperation Center Petroleum
    Inventors: Omer Refa Koseoglu, Yaming Jin, Masaru Ushio, Seiji Arakawa
  • Patent number: 11427730
    Abstract: Provided is a dispersion liquid of silica particles, comprising silica particles having an average particle diameter of 5 to 300 nm determined from an electron micrograph and a density of 1.20 g/cm3 or more determined from a specific surface area determined by a BET method using nitrogen adsorption, wherein the dispersion liquid has a pH of less than 8, a silica concentration of 12 to 40% by mass, and a viscosity in terms of a silica concentration of 20% by mass of 40 mPa·s or less. When this silica particle is used as an abrasive, it is possible to realize a sufficient polishing speed and a smooth polished surface on which occurrence of scratches is suppressed.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: August 30, 2022
    Assignee: JGC CATALYSTS AND CHEMICALS LTD.
    Inventors: Miki Egami, Mitsuaki Kumazawa, Hirotada Arakane, Ryo Muraguchi, Toshiharu Hirai
  • Patent number: 11420192
    Abstract: In accordance with one or more embodiments of the present disclosure, a catalyst composition includes a catalyst support and at least one hydrogenative component disposed on the catalyst support. The catalyst support includes at least one USY zeolite having a framework substituted with titanium and zirconium. The framework-substituted USY zeolite comprises at least one rare earth element. Methods of making and using such a catalyst in a hydrocracking process are also disclosed.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: August 23, 2022
    Assignees: Saudi Arabian Oil Company, JGC Catalysts and Chemicals Ltd., Japan Cooperation Center Petroleum
    Inventors: Omer Refa Koseoglu, Robert Peter Hodgkins, Mitsunori Watabe, Koji Uchida