Patents Assigned to Sumitomo Chemical Company, Limited
  • Method for drying polyolefin-containing particles and method for storing polyolefin-containing particles
    Patent number: 12098219
    Abstract: A method for drying polyolefin-containing particles includes a drying step of supplying polyolefin-containing particles to a drying container and drying the polyolefin-containing particles in the drying container. In the drying step, a value determined by the following formula (a) is ?0.20 or more and 1.05 or less. 0.00304×apparatus diameter [m]+0.00261×bed height [m]+0.0179×residence time [hr]+0.00213×particle temperature in drying container [K]?0.0109×inclination angle [degree]+0.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: September 24, 2024
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masato Suzue, Satoshi Itoguchi
  • Method for manufacturing cyclopropane compound
    Patent number: 12098137
    Abstract: The present invention provides an industrially advantageous production method of (1R,2S)-2-{[((2,4-dimethylpyrimidin-5-yl)oxy}methyl]-2-(3-fluorophenyl)-N-(5-fluoropyridin-2-yl)cyclopropane-1-carboxamide. (1R,2S)-2-{[((2,4-Dimethylpyrimidin-5-yl)oxy}methyl]-2-(3-fluorophenyl)-N-(5-fluoropyridin-2-yl)cyclopropane-1-carboxamide (compound [A]) is produced by an industrially advantageous method by a route via a novel compound. wherein each symbol is as described in the description.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: September 24, 2024
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kazuhiro Yamauchi, Junichi Tomokawa
  • Nitride semiconductor substrate, laminated structure, and method for manufacturing nitride semiconductor substrate
    Patent number: 12091774
    Abstract: A nitride semiconductor substrate that is constituted by a single crystal of a group III nitride semiconductor and includes a main surface for which the closest low index crystal plane is a (0001) plane includes an inclined interface growth region that has grown with inclined interfaces other than the (0001) plane serving as growth surfaces. A ratio of an area occupied by the inclined interface growth region in the main surface is 80% or more. When a dislocation density is determined based on a dark spot density by observing the main surface in a field of view that is 250 ?m square using a multiphoton excitation microscope, the main surface does not include a region that has a dislocation density higher than 3×106 cm?2, and the main surface includes dislocation-free regions that are 50 ?m square and do not overlap each other, at a density of 100 regions/cm2 or more.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: September 17, 2024
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Takehiro Yoshida
  • Method for differentiation induction in cultured stem cells
    Patent number: 12091680
    Abstract: Provided is a method of inducing the differentiation of a stem cell into nerve progenitor cells, comprising the step (1) of forming homogenous aggregates of stem cells in a serum-free medium (1) and the step (2) of suspension-culturing the homogenous aggregates of stem cells in the presence of a basement membrane reference standard.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: September 17, 2024
    Assignees: RIKEN, Sumitomo Chemical Company, Limited
    Inventors: Yoshiki Sasai, Mototsugu Eiraku
  • HETEROCYCLIC COMPOUND AND RESISTANT HARMFUL ARTHROPOD- CONTROLLING METHOD FOR COMPOSITION CONTAINING SAME
    Publication number: 20240298644
    Abstract: The present invention provides a compound that has an excellent efficacy for controlling resistant harmful arthropods, a composition comprising the compound, and a method using the compound or the composition. A compound represented by formula (I) [wherein R1 represents a C1-C6 chain hydrocarbon group, etc., R3 and R7 each represents a hydrogen atom, etc., R4 and R6 each represents a hydrogen atom, etc., R5 represent a hydrogen atom, etc., Q represents a group represented by Q1, etc. (where # represents a binding site to a pyridine ring, and ? represents a binding site to a benzene ring), A1 represents a nitrogen atom, etc., A2 represents a nitrogen atom, etc., and A3 represents a nitrogen atom, etc.] or its N-oxide, or salts thereof has an excellent efficacy on controlling resistant harmful arthropods.
    Type: Application
    Filed: June 28, 2022
    Publication date: September 12, 2024
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Takayuki SHIODA, Masayuki TASHIRO, Hidemitsu MINEGISHI, Hiroto TAMASHIMA, Yasumasa SAITO
  • Resin Composition and Member, Laminate, and Sustained Release Insect Repellent Preparation Containing Said Resin Composition
    Publication number: 20240298635
    Abstract: The present disclosure provides a resin composition with at least a resin (A), which is a copolymer of ethylene and a vinyl-based monomer containing an oxygen atom; a linear or branched carboxylic acid ester (B); and an insecticide (C).
    Type: Application
    Filed: December 22, 2021
    Publication date: September 12, 2024
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Ayumu Ogawa, Takaya Ichimiya
  • COMPOSITION CONTAINING NUCLEIC ACID OLIGOMER
    Publication number: 20240300993
    Abstract: The present invention provides a stable composition containing a nucleic acid oligomer having a phosphorothioate bond, a method for producing the same, and a method for efficiently producing the nucleic acid oligomer from the composition. The composition containing a nucleic acid oligomer having a phosphorothioate bond represented by Formula (1) (wherein symbols are as defined in the specification), an alkyl ammonium salt, a nitrile-based organic solvent, water, and an additive containing at least one compound selected from the group consisting of compounds represented by Formulae (3a) to (3h) is a stable composition.
    Type: Application
    Filed: June 28, 2022
    Publication date: September 12, 2024
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Yuya MORIYAMA
  • NITRIDE SEMICONDUCTOR SUBSTRATE, LAMINATED STRUCTURE, AND METHOD FOR MANUFACTURING NITRIDE SEMICONDUCTOR SUBSTRATE
    Publication number: 20240302302
    Abstract: A nitride semiconductor substrate that has a diameter of 2 inches or more and includes a main surface for which the closest low index crystal plane is a (0001) plane. The ratio of FWHM1{10-12} to FWHM2{10-12} is 80% or more.
    Type: Application
    Filed: October 9, 2020
    Publication date: September 12, 2024
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Takehiro YOSHIDA
  • METHOD FOR PRODUCING HETEROPHASIC PROPYLENE POLYMERIZATION MATERIAL AND METHOD FOR PRODUCING OLEFIN POLYMER
    Publication number: 20240301100
    Abstract: A method for producing a heterophasic propylene polymerization material, including: a first polymerization step of forming a polymer (I) by polymerizing propylene in presence of a contact product and an olefin polymerization catalyst obtained by bringing an aluminum compound into contact with an olefin polymerization-use solid catalyst component containing a titanium atom, a magnesium atom, a halogen atom, and an internal electron donor; and a second polymerization step of forming a polymer (II) by copolymerizing propylene with at least one kind selected from the group consisting of ethylene and C4-12 ?-olefins in presence of the polymer (I). The contact product can be obtained by bringing an aluminum compound into contact with a specific antioxidant.
    Type: Application
    Filed: February 1, 2024
    Publication date: September 12, 2024
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masaki ITO, Katsumi SAKAKIBARA, Masayuki HASEGAWA
  • Pellet of liquid crystal polyester resin composition
    Patent number: 12083708
    Abstract: The present invention relates to a pellet of a liquid crystal polyester resin composition containing a liquid crystal polyester resin and an inorganic filler, said pellet being characterized in that if the horizontal Feret's diameter of a rectangle circumscribed about a projected image of the front of the pellet is taken as the length of the long side of the rectangle and the vertical Feret's length is taken as the length of the short side of the rectangle, the length of the long side of the rectangle is from 3 mm to 4 mm (inclusive) and the area ratio of the area S of the projected image to the area S0 of the rectangle, namely S/S0 is from 0.55 to 0.70 (inclusive).
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: September 10, 2024
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tomoyuki Hara, Masanobu Uonami, Takayuki Sugiyama
  • Acrylate derivative, use and production intermediate compound of the same
    Patent number: 12082581
    Abstract: The present invention provides a compound represented by formula (I) [wherein L represents an oxygen atom or CH2, E represents a C2-C10 chain hydrocarbon group or the like, R1 represents a C1-C3 chain hydrocarbon group or the like, R2 represents a C1-C3 chain hydrocarbon group or the like, and n is 0, 1, 2 or 3.] or its N oxide or agriculturally acceptable salt, which is a compound that have excellent pests controlling effects.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: September 10, 2024
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Hiroto Tamashima
  • METHOD OF STORING ANTIOXIDANT MIXTURE
    Publication number: 20240294735
    Abstract: A method of storing an antioxidant mixture includes storing an antioxidant mixture containing an antioxidant and an aluminum compound represented by the following formula (3): AlR3 (3) wherein R moieties each independently represent a halogen atom or an alkyl group having 3 or more carbon atoms.
    Type: Application
    Filed: January 26, 2024
    Publication date: September 5, 2024
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masaki ITO, Katsumi SAKAKIBARA
  • Liquid crystal polyester and film comprising the same
    Patent number: 12077705
    Abstract: A liquid crystal polyester comprising a repeating unit derived from an aromatic hydroxycarboxylic acid. The content of the repeating unit derived from an aromatic hydroxycarboxylic acid is 80% or more based on 100% of a total number of all repeating units of the liquid crystal polyester. The repeating unit derived from an aromatic hydroxycarboxylic acid comprises a repeating unit (A1) represented by the formula (A1) and a repeating unit (A2) represented by the formula (A2). A ratio [repeating unit (A2)/repeating unit (A1)] is 1.2 or larger. A molar ratio [phenolic hydroxyl groups/(the phenolic hydroxyl groups+acyl groups)] is 0.3 or lower, as calculated by 1H-NMR. —O—Ar11—CO—??(A1) —O—Ar12—CO—??(A1) Ar11 represents a phenylene group and Ar12 represents a naphthylene group. A hydrogen atom is optionally substituted.
    Type: Grant
    Filed: March 9, 2023
    Date of Patent: September 3, 2024
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Shinji Ohtomo, Shohei Azami, Monami Tosa, Nozomi Masui
  • MEMBRANE SEPARATION METHOD, AND METHOD FOR MANUFACTURING LOOSE RO MEMBRANE
    Publication number: 20240286080
    Abstract: A membrane separation method where a reverse osmosis method can be applied as a method for separating or concentrating a to-be-treated liquid having a high osmotic pressure or as a water recovery method. The membrane separation method for a to-be-treated liquid having an osmotic pressure includes a first step of separating the to-be-treated liquid into a first permeate and a first retentate by a reverse osmosis method using a loose RO membrane (50). The to-be-treated liquid satisfies ?Cb?>?Pmax when an osmotic pressure of a to-be-treated liquid side membrane surface concentration Cb? is represented by ?Cb? and a maximum operating pressure difference is represented by ?Pmax, or has an osmotic pressure of 5 MPa or more and 100 MPa or less. The loose RO membrane (50) is a membrane through which at least a part of a solute contained in the to-be-treated liquid passes together with a solvent.
    Type: Application
    Filed: June 8, 2022
    Publication date: August 29, 2024
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Takehiro NAKASUJI, Naoki YOKOKAWA, Masahiro KINOSHITA, Shinichi NAKAO
  • METHOD OF STORING ANTIOXIDANT MIXTURE
    Publication number: 20240287283
    Abstract: Provided is a method of storing an antioxidant mixture for producing a more thermally stable polymer. A method of storing an antioxidant mixture, comprising storing an antioxidant mixture containing an antioxidant and an aluminum compound under a condition at a gauge pressure of 0.21 MPa or higher.
    Type: Application
    Filed: February 2, 2024
    Publication date: August 29, 2024
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masaki ITO, Katsumi SAKAKIBARA
  • LITHIUM METAL COMPOSITE OXIDE, POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY
    Publication number: 20240286922
    Abstract: A lithium metal composite oxide contains a secondary particle which is an aggregate of primary particles and a single particle which exists independently of the secondary particle, in which the lithium metal composite oxide has a layered rock-salt structure, is represented by Composition Formula (I), and satisfies (1) and (2) below. (1): 1.2?LA/LB<1.60 (LA is a crystallite diameter obtained from a diffraction peak within the range of 2?=18.8±1° and LB is a crystallite diameter obtained from a diffraction peak within the range of 2?=38.3±1° in a diffraction peak obtained from powder X-ray diffraction using CuK? rays.) (2): a Me occupancy at a lithium site in the layered rock-salt structure is 2.5% or less, as determined by analyzing the diffraction peaks by the Rietveld analysis method, and the Me is Ni, Co, Mn, or X1.
    Type: Application
    Filed: June 14, 2022
    Publication date: August 29, 2024
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Marie TAKIGUCHI, Daisuke NAGAO
  • METHOD FOR PRODUCING LITHIUM METAL COMPOSITE OXIDE
    Publication number: 20240286923
    Abstract: A method for producing a lithium metal composite oxide, including a calcining step of introducing a gas mixture inside a calcining furnace and calcining a substance to be calcined in the calcining furnace at a temperature of higher than 600° C., in which the substance to be calcined is a raw material mixture containing a mixture of a metal composite compound and a lithium compound or a reaction product of the metal composite compound and the lithium compound, the gas mixture before introduction contains oxygen, an amount of moisture in the gas mixture is 8 vol % or more and 85 vol % or less, and an amount of carbon dioxide in the gas mixture is less than 4 vol %.
    Type: Application
    Filed: June 24, 2022
    Publication date: August 29, 2024
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Takahiro SHOJI
  • Method for manufacturing nitride semiconductor substrate, nitride semiconductor substrate, and laminate structure
    Patent number: 12071707
    Abstract: A method of making a semiconductor including a step of preparing a base substrate; a first step of epitaxially growing a single crystal of a group III nitride semiconductor having a top surface with (0001) plane exposed, directly on the main surface of the base substrate, forming a plurality of concaves composed of inclined interfaces other than the (0001) plane on the top surface, gradually expanding the inclined interfaces toward an upper side of the main surface of the base substrate, making the (0001) plane disappear from the top surface, and growing a first layer whose surface is composed only of the inclined interfaces; and a second step of epitaxially growing a single crystal of a group III nitride semiconductor on the first layer, making the inclined interfaces disappear, and growing a second layer having a mirror surface, and a semiconductor made thereby.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: August 27, 2024
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Takehiro Yoshida
  • Display device
    Patent number: 12072570
    Abstract: A display device including a light source (A), a color conversion layer (B), and a color filter (C), wherein the color conversion layer (B) contains quantum dots (B-r) that emit red light, the color filter (C) has a blue color filter (C-b), a green color filter (C-g), and a red color filter (C-r), and the display device satisfies ??1.80 and (II) ??63.0.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: August 27, 2024
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yoshihiro Harada, Yoshifumi Komatsu, Tomohiro Fukuura
  • SALT, ACID GENERATOR, RESIN, RESIST COMPOSITION AND METHOD FOR PRODUCING RESIST PATTERN
    Publication number: 20240279166
    Abstract: Disclosed are a salt represented by formula (I), an acid generator, a resin and a resist composition: wherein R1 represents a halogen atom, a cyano group, a nitro group, a haloalkyl group or a hydrocarbon group; m1 represents an integer of 0 to 4; X1 represents *—CO—O—, *—O—CO—, etc.; L1 and L2 each represent a single bond or a substituted/unsubstituted hydrocarbon group; Ar represents a substituted/unsubstituted aromatic hydrocarbon group; X0 represents a single bond, *—O—**, *—CO—O—**, *—O—CO—O—**, etc., in which when L2 is a single bond, X0 is not a single bond; R5 represents a hydrogen atom, a halogen atom, or an alkyl group which may have a halogen atom; and ZI+ represents an organic cation.
    Type: Application
    Filed: January 17, 2024
    Publication date: August 22, 2024
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Shohei TERAHIGASHI, Koji ICHIKAWA