Patents Assigned to Mitsui
  • FLUORINE-BASED SOLVENT COMPOSITION
    Publication number: 20230407210
    Abstract: Disclosed are azeotropic compositions comprising a perfluoroheptene, and a chlorotrifluoropropene. Also disclosed herein are novel methods of using these compositions as novel solvents, degreasing or defluxing solvent, or carrier fluids.
    Type: Application
    Filed: November 29, 2021
    Publication date: December 21, 2023
    Applicant: CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD.
    Inventor: HIDEAKI KIKUCHI
  • RESIN COMPOSITION, ADHESIVE, MULTILAYER BODY, SURFACE PROTECTION FILM, METHOD FOR PRODUCING SURFACE PROTECTION FILM, AND METHOD FOR PROTECTING SURFACE
    Publication number: 20230407073
    Abstract: A resin composition containing a 4-methyl-1-pentene/?-olefin copolymer (A-1) satisfying (a) to (b), a 4-methyl-1-pentene/?-olefin copolymer (A-2) satisfying (c) to (d), and a thermoplastic resin (B) other than these, wherein a total content of (A-1) and (A-2) is 2 to 50% by mass, and a content of (B) is 50 to 98% by mass, based on 100% by mass of a total of (A-1), (A-2), and (B): (a) 65 to 80 mol % of a structural unit (i) derived from 4-methyl-1-pentene and 20 to 35 mol % of a structural unit (ii) derived from ?-olefin; (b) a melting point observed by DSC is lower than 110° C. or not observed; (c) 80 to 90 mol % of the structural unit (i) and 10 to 20 mol % of the structural unit (ii) are contained; and (d) a melting point observed by DSC is 110 to 160° C.
    Type: Application
    Filed: October 29, 2021
    Publication date: December 21, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Takayuki UEKUSA, Motoyasu YASUI, Yoshisada FUKAGAWA
  • Sulfur-containing polymerizable monomer and use thereof
    Patent number: 11844847
    Abstract: A compound (A) is represented by the formula (1): wherein R1 is a hydrogen atom or an alkali metal atom, R2 is a hydrogen atom or an alkali metal atom, R3 is a hydrogen atom or a methyl group, Z is a divalent or trivalent organic group, and the lines consisting of a solid line and a broken line bonded to Z represent a single bond or a double bond.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: December 19, 2023
    Assignees: SUN MEDICAL CO., LTD., MITSUI CHEMICALS, INC.
    Inventors: Hideo Matsumura, Sayaka Miyamori, Takashi Yamamoto, Kazuhiko Yoshinaga, Shigeru Mio, Shinji Kiyono, Hina Suzuki
  • Method for manufacturing electronic device
    Patent number: 11848215
    Abstract: The method for manufacturing an electronic device includes at least: a step of preparing a structure provided with an adhesive film provided with a base material layer, an adhesive resin layer (A) provided on a first surface side of the base material layer and for temporarily fixing an electronic component, and an adhesive resin layer (B) provided on a second surface side of the base material layer and in which an adhesive force is decreased by an external stimulus, an electronic component attached to the adhesive resin layer (A) of the adhesive film, and a support substrate attached to the adhesive resin layer (B) of the adhesive film; at least one step selected from a step of decreasing water content in the adhesive film and a step of decreasing water content in the structure; and a step of sealing the electronic component with a sealing material.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: December 19, 2023
    Assignee: MITSUI CHEMICALS TOHCELLO, INC.
    Inventors: Kouji Igarashi, Jin Kinoshita, Hiroyoshi Kurihara, Toru Miura
  • Fat absorption inhibiting agent, food and defatted sesame seeds, and method for inhibiting obesity
    Patent number: 11844762
    Abstract: Problem to be solved: An object of the present invention is to provide a novel fat absorption inhibiting agent. Solution to the problem: The present invention provides a fat absorption inhibiting agent comprising pulverized defatted sesame seeds or a processed product thereof. The present invention also provides a fat absorption inhibiting agent comprising defatted sesame seeds having a 50th percentile particle size of 1 to 200 ?m as determined by laser diffraction/scattering and a compressibility index of 30 to 80%. The fat absorption inhibiting agent of the present invention preferably has lipase inhibitory activity. The present invention also provides a food comprising the agent. The present invention also provides defatted sesame seeds having a 50th percentile particle size of 1 to 200 ?m as determined by laser diffraction/scattering and a compressibility index of 30 to 80%.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: December 19, 2023
    Assignees: Pharma Foods International Co .. Ltd., Mitsui DM Sugar Co., Ltd.
    Inventors: Hiroaki Iitsuka, Sayo Morita, Keita Koga, Atsushi Yamatsu, Mujo Kim, Toma Furuta
  • Power and communications network convergence system, and control method therein
    Patent number: 11848556
    Abstract: Provided is an power and communications network convergence system including wireless base stations, and DC grid groups, each grid group belonging to a cell. Each grid in the grid group has a DC line to which devices including a power generator and a power-storage are connected, and performs, based on state-information on each device, first control for reducing power fluctuations in the line. A first grid belonging to a cell performs, based on state-information on each grid, second control for interchanging power with a second grid belonging to the cell. If a power situation of a first grid group belonging to a first cell and a power-situation of a second grid group belonging to a second cell satisfy a preset condition, the first grid group performs third control for interchanging power with the second grid group.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: December 19, 2023
    Assignee: SUMITOMO MITSUI BANKING CORPORATION
    Inventors: Taiichi Otsuji, Katsumi Iwatsuki
  • Polymerizable composition for optical material, optical material, and producing method thereof
    Patent number: 11845828
    Abstract: A polymerizable composition for an optical material of the present invention includes (A) a compound of which pKa value is 1 to 9, (B) a di- or higher functional iso(thio)cyanate compound, and (C) a di- or higher functional active hydrogen compound.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: December 19, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Shinsuke Ito, Masayuki Furuya, Kouji Suesugi, Takeshi Nishimura, Mamoru Tanaka
  • Adhesive film and method for manufacturing electronic device
    Patent number: 11840652
    Abstract: An adhesive film includes a base material layer; an adhesive resin layer (A) provided on a first surface side of the base material layer; and an adhesive resin layer (B) provided on a second surface side of the base material layer and in which an adhesive force is decreased by an external stimulus, in which, as measured by method 1, an integrated tacking force value (F2.5) of the adhesive resin layer (B) is 1.0 gf/sec or more at a test speed of 2.5 mm/min and a test temperature of 130° C., and an integrated tacking force value (F30) of the adhesive resin layer (B) is 7.0 gf/sec or more at a test speed of 30 mm/min and a test temperature of 130° C.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: December 12, 2023
    Assignee: MITSUI CHEMICALS TOHCELLO, INC.
    Inventors: Kouji Igarashi, Jin Kinoshita, Hiroyoshi Kurihara, Toru Miura
  • Thiol-containing composition for optical material and polymerizable composition for optical material
    Patent number: 11840599
    Abstract: The thiol-containing composition for an optical material of the present invention includes a compound (A) represented by General Formula (a), and a compound (B) composed of at least one selected from a compound (b2-1) represented by General Formula (b2-1), a compound (b3-1) represented by General Formula (b3-1), a compound (b3-2) represented by General Formula (b3-2), and a compound (b4-2) represented by General Formula (b4-2), in which, in high-performance liquid chromatography measurement, the total peak area ratio of the compound included in the compound (B) is 0.1% to 60.0% with respect to the peak area 100 of the compound (A).
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: December 12, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Takeshi Nishimura, Masayuki Furuya, Shigetoshi Kuma
  • INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM
    Publication number: 20230380678
    Abstract: An information processing device including a calculation unit that calculates an evaluation function using a visibility threshold of a test subject obtained by performing a visual acuity examination on the test subject and using a parameter related to a visual object, and a spectral transmittance optimization unit that optimizes a spectral transmittance of a filter having a spectral transmittance to light from the visual object using the evaluation function when passed through the filter.
    Type: Application
    Filed: October 18, 2021
    Publication date: November 30, 2023
    Applicants: MITSUI CHEMICALS, INC., VISUAL TECHNOLOGY LABORATORY INC.
    Inventors: Daiki ITO, Taizo NISHIMOTO, Kenji SUZUKI, Shoko MATSUMURA, Noriaki ASADA, Yoshiki NAKAMURA, Minao YAMAMOTO
  • Photocurable composition, three-dimensional molded product, and dental product
    Patent number: 11827728
    Abstract: A photocurable composition includes a photopolymerizable component and a photopolymerization initiator, in which a diluted solution (D1) obtained by diluting the photocurable composition with ethanol such that the content of ethanol is 99% by mass would satisfy the following Condition (X): the transmittance at at least one wavelength within the wavelength range of from 365 nm to 405 nm, measured at an optical path length of 1 cm, is from 1.0% to 70.0%.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: November 28, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventor: Takaaki Hayashi
  • Polythiol composition, polymerizable composition, resin, molded body, optical material, and lens
    Patent number: 11827736
    Abstract: Provided is a polythiol composition including a polythiol compound (A) and a compound represented by the following Formula (1), wherein, in high performance liquid chromatography measurement, a peak area of the compound represented by Formula (1) is 9.0 or less with respect to a total peak area 100 of all compounds contained in the polythiol composition. In Formula (1), X represents a carbon atom or a sulfur atom.
    Type: Grant
    Filed: November 9, 2021
    Date of Patent: November 28, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Shotaro Nakano, Masaru Kawaguchi
  • Si-based negative electrode active material
    Patent number: 11831007
    Abstract: A Si-based negative electrode active material that is capable of improving cycle characteristics, reducing or eliminating a plateau region in the discharge profile, and further improving high-rate characteristics. The Si-based negative electrode active material contains Si and a compound containing Si and a semimetal/metal element M, wherein the content of Si in the negative electrode active material is more than 50 wt %; the content of oxygen atoms (O) is less than 30 wt %; the content of the semimetal/metal element M is more than 10 wt % and less than 50 wt %, wherein in an X-ray diffraction pattern as measured by a powder X-ray diffraction (XRD) device using Cu-K?1 rays, the full width at half maximum of the peak of the (111) plane of Si is 0.25° or more; and wherein the peak intensity of the peak of the (111) plane of Si is less than 20,000 cps; and the true density is 2.5 g/cm3 or more.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: November 28, 2023
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventor: Tetsuya Mitsumoto
  • FIBER NONWOVEN FABRIC, FILTER, AND METHOD OF FIBER NONWOVEN FABRIC
    Publication number: 20230372848
    Abstract: A fiber nonwoven fabric includes a fiber containing an aromatic polyether ketone, and a coefficient of variation in a fiber diameter of the fiber is 100% or less.
    Type: Application
    Filed: October 6, 2021
    Publication date: November 23, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Kozo IIBA
  • Positive electrode active material for all-solid-state lithium secondary batteries
    Patent number: 11824188
    Abstract: A positive electrode active material for an all-solid-state lithium secondary battery, which is capable of improving the rate characteristics, the cycle characteristics, and the initial charge and discharge efficiency even in the case where a sulfide-based solid electrolyte is used, wherein the surface of a lithium-containing composite oxide, referred to as present core particles, is coated with a compound, referred to as, LiAO compound, containing Li, A, where A represents one or more elements selected from the group consisting of Ti, Zr, Ta, Nb, Zn, W, and Al, and O; and a halogen is present on the surface of the present core particles.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: November 21, 2023
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Daisuke Washida, Hitohiko Ide
  • RESIN COMPOSITION
    Publication number: 20230365794
    Abstract: A resin composition including 25 to 99.99% by mass of a thermoplastic resin (A) having a weight-average molecular weight (Mw) of 50,000 or more in terms of polystyrene as measured by gel permeation chromatography (GPC), and 0.01 to 15% by mass of a copolymer (B) containing a structural unit derived from an ?-olefin having 3 or more carbon atoms and satisfying the following requirements (b-1) to (b-3): (b the kinematic viscosity at 100° C. is 10 to 5,000 mm2/s; (b-2) the content of a structural unit derived from an ?-olefin having 3 or more carbon atoms in the range of 60 to 85 mol%; and (b-3) the weight-average molecular weight (Mw) in terms of polystyrene as measured by gel permeation chromatography (GPC) is 1,000 to 30,000 and the molecular weight distribution (Mw/Mn) is 2.5 or less.
    Type: Application
    Filed: October 6, 2021
    Publication date: November 16, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Shota ABE
  • ORGANOSILICON COMPOUND GRAFT COPOLYMER AND RUBBER COMPOSITION FOR TIRE INCLUDING THE COPOLYMER
    Publication number: 20230365733
    Abstract: An object of the present invention is to provide a modifier suitable for obtaining a lubricating oil, a coating material, an adhesive, and the like with better smoothness and few bumps and to provide a rubber composition for a tire, which is suitable for preparing a tire with both excellent braking performance and excellent fuel efficiency. The present invention relates to an organosilicon compound graft copolymer (X) including a main chain derived from an ethylene/a-olefin copolymer (A) and a graft part derived from an organosilicon compound (B) having one or more unsaturated groups; and a rubber composition for a tire, including 1 to 30 parts by mass of the organosilicon compound graft copolymer (X) based on 100 parts by mass of a diene rubber including an aromatic vinyl-conjugated diene copolymerized rubber.
    Type: Application
    Filed: October 13, 2021
    Publication date: November 16, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Katsuyoshi HARADA, Yusuke MIZOBUCHI, Chihiro KOMATSU, Tatsuya ICHIKAWA, Hirokazu TANAKA, Yuji ISHII, Kazuki HIGUCHI, Kotaro ICHINO
  • METHOD OF PRODUCING THIOURETHANE RESIN RAW MATERIAL AND APPLICATION THEREOF
    Publication number: 20230365770
    Abstract: A method of producing a thiourethane resin raw material, the method comprising a reaction step of generating a thiourethane resin raw material by contacting a composition X, which comprises a thiourethane resin and a foreign material, and an active hydrogen compound with each other, and thereby reacting the thiourethane resin in the composition X, and the active hydrogen compound, with each other.
    Type: Application
    Filed: November 17, 2021
    Publication date: November 16, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Masakazu MURAKAMI, Shotaro NAKANO
  • ISO(THIO)CYANATE COMPOUND, POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, MOLDED BODY, OPTICAL MATERIAL, PLASTIC LENS, PLASTIC POLARIZING LENS, METHOD FOR PRODUCING ISO(THIO)CYANATE COMPOUND, METHOD FOR PRODUCING POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, METHOD FOR PRODUCING OPTICAL MATERIAL, AND METHOD FOR PRODUCING PLASTIC POLARIZING LENS
    Publication number: 20230365737
    Abstract: An iso(thio)cyanate compound that is a reaction product between an amine compound (A) including at least one selected from a compound (a1) represented by general formula (1) or a compound (a2) represented by general formula (2) and a bi- or higher-functional iso(thio)cyanate compound (B), the iso(thio)cyanate compound having a value of Mw/Mn of 1.31 or less, the value of Mw/Mn being a weight average molecular weight (Mw) divided by a number average molecular weight (Mn).
    Type: Application
    Filed: December 24, 2021
    Publication date: November 16, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Takayuki HANAWA, Akinori RYU
  • POLYTHIOL COMPOSITION, POLYMERIZABLE COMPOSITION, RESIN, MOLDED ARTICLE, OPTICAL MATERIAL, AND LENS
    Publication number: 20230365738
    Abstract: A polythiol composition including a polythiol compound (A) and a compound represented by formula (1), wherein, in formula (1), m and n each independently represent 0 or 1, and m+n=1.
    Type: Application
    Filed: December 23, 2021
    Publication date: November 16, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Shotaro NAKANO, Masaru KAWAGUCHI