Patents Assigned to Mitsui
  • DENTAL ADHESIVE COMPOSITION AND DENTAL MATERIAL
    Publication number: 20230240947
    Abstract: A dental adhesive composition containing: a (meth)acrylate compound (1) having an acidic group; and at least one polymerizable compound (2) selected from the group consisting of a cyclopolymerizable compound (2a) and a polymerizable compound (2b) having a cyclic structure and one polymerizable group.
    Type: Application
    Filed: July 9, 2021
    Publication date: August 3, 2023
    Applicant: MITSUI CHEMICAIS, INC.
    Inventor: Naoyuki KAKINUMA
  • PHOTOCURABLE COMPOSITION, THREE-DIMENSIONAL MODELING PRODUCT, AND DENTAL PRODUCT
    Publication number: 20230242785
    Abstract: A photocurable composition, wherein: in a case in which a rectangular sheet-like test piece P1 is produced by photomodeling under conditions in which the photocurable composition is irradiated with visible light having a wavelength of 405 nm at an irradiation dose of 11 mJ/cm2 to form a cured layer P1 with a thickness of 50 ?m, the cured layer P1 is stacked in a thickness direction thereof to form the rectangular sheet-like modeling product P1 with a length of 40 mm, a width of 10 mm, and a thickness of 0.5 mm, and the modeling product P1 is irradiated with ultraviolet rays having a wavelength of 365 nm at an irradiation dose of 3 J/cm2 to produce the test piece P1, the storage modulus at 135° C. of the test piece P1 is 3.0×108 Pa or more.
    Type: Application
    Filed: July 6, 2021
    Publication date: August 3, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Takaaki HAYASHI, Toshikazu SAKAMAKI, Mai KIMURA, Hiroki MURAI, Suguru ENDO, Eiji KOBAYASHI
  • ADENOCARCINOMA DETECTION METHOD, AND EXAMINATION KIT
    Publication number: 20230243835
    Abstract: An adenocarcinoma detection method based on a protein fragment of WFDC2 protein in a sample originating from a subject, the method comprising determining a presence of adenocarcinoma by comparing a first determination value and a threshold value set in advance, the first determination value being a value derived by dividing a first fragment quantity, which is a quantity of a protein fragment having an amino acid sequence of SEQ ID NO: 1 in the sample as determined by an ELISA method, by a reference quantity defined by a total quantity of WFDC2 protein or a creatinine concentration in the sample as determined by an ELISA method.
    Type: Application
    Filed: June 22, 2021
    Publication date: August 3, 2023
    Applicants: MITSUI CHEMICALS, INC., OSAKA UNIVERSITY, UNIVERSITY OF MIYAZAKI
    Inventors: Komako ISHIKAWA, Koh AMANO, Toshifumi TAKAO, Nobuaki OKUMURA, Toshiki TAKEI, Masamitsu NAKAZATO, Hironobu TSUBOUCHI
  • DOUBLE-SIDED COPPER-CLAD LAMINATE
    Publication number: 20230238181
    Abstract: A double-sided copper-clad laminate that includes an adhesive layer and a copper foil in order on each of both surfaces of a resin film, the resin film is in a cured state at 25° C., and each of the copper foils has a maximum peak height Sp of 0.05 ?m or more and 3.3 ?m or less as measured in accordance with ISO 25178 on a surface on a side being in contact with the adhesive layer.
    Type: Application
    Filed: April 4, 2023
    Publication date: July 27, 2023
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Ryuji ISHIZUKA, Yoshihiro YONEDA, Toshihiro HOSOI, Yuji KAGEYAMA
  • Vehicle door latch device
    Patent number: 11708711
    Abstract: A vehicle door latch device includes: a latch body including: a latch secured by a latch shaft on a rear surface side of the latch body, the latch being configured to engage with a striker; a ratchet secured by a ratchet shaft on the rear surface side of the latch body, the ratchet being configured to engage with the latch; and a striker advancing path into which the striker advances relatively; a motor configured to release the ratchet from the latch; and an actuator case provided continuously on top of the latch body, the actuator case being configured to accommodate the motor.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: July 25, 2023
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Katsuyuki Ishiguro, Hirotaka Nishijima, Shintaro Okawa, Shunsuke Tamura
  • Modified resin for molded article and golf ball
    Patent number: 11708439
    Abstract: The present invention is a modified resin for a molded article obtained by modifying an ethylene/unsaturated carboxylic acid copolymer with guanidine carbonate, wherein a melt flow rate of the ethylene/unsaturated carboxylic acid copolymer is 20 (g/10 minutes) or more and 600 (g/10 minutes) or less.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: July 25, 2023
    Assignee: DOW-MITSUI POLYCHEMICALS CO., LTD.
    Inventor: Takahiro Shimizu
  • POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL AND PHOTOCHROMIC LENS
    Publication number: 20230228927
    Abstract: A polymerizable composition for an optical material according to the present invention includes a photochromic composition (A), and a polymerizable composition (B) including a bi- or higher functional iso(thio)cyanate compound and a bi- or higher functional active hydrogen compound, in which the photochromic composition (A) is a composition including at least three types of photochromic compounds (i) to (iii), the photochromic compound (i) has a structure including a chromophore a and a monovalent or a divalent organic group including one or more types of a polysiloxane chain or a polyoxyalkylene chain, the photochromic compound (ii) has the chromophore a (which is not the photochromic compound (i)), and the photochromic compound (iii) has a chromophore b different from the chromophore a.
    Type: Application
    Filed: August 30, 2021
    Publication date: July 20, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Shinichiro KADOWAKI, Nobuo KAWATO
  • Metal/resin composite structure and manufacturing method of metal/resin composite structure
    Patent number: 11701864
    Abstract: A metal/resin composite structure includes: a metal member (M) having a fine uneven surface; and a polyamide-based resin member (A) bonded to the metal member (M), and the polyamide-based resin member (A) satisfies the following condition [A1] and condition [A2]: [A1] a glass transition temperature (Tg) observed by a differential scanning calorimeter (DSC) is equal to or higher than 85° C. and equal to or lower than 140° C.; and [A2] a crystallization temperature (Tc) observed by a differential scanning calorimeter (DSC) is equal to or higher than 250° C. and equal to or lower than 292° C.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: July 18, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Masaki Misumi, Kazuki Kimura, Kaoru Minagawa
  • Spunbonded non-woven fabric, sanitary material, and method of manufacturing spunbonded non-woven fabric
    Patent number: 11702779
    Abstract: A spunbonded non-woven fabric includes a fiber including a propylene homopolymer having a melting point of 140° C. or more, a polyethylene having a density of from 0.941 g/cm3 to 0.970 g/cm3, and at least one polymer selected from the group consisting of a polymer represented in (I) and a polymer represented in (II). In the spunbonded non-woven fabric, the fiber includes a sea-island structure, and the percentage of an island phase having a diameter of from 0.12 ?m to less than 0.63 ?m with respect to an island phase in a cross section orthogonal to the axis direction of the fiber on a number basis is 30% or more. (I) represents a random copolymer of propylene and at least one selected from ethylene or an ?-olefin having a carbon number of from 4 to 20. (II) represents a propylene homopolymer with a melting point of less than 120° C.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: July 18, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Taiichiro Ichikawa, Akio Matsubara, Koichi Shimada, Shigeyuki Motomura
  • COMPOSITE NONWOVEN FABRIC AND METHOD OF PRODUCING THE SAME
    Publication number: 20230220593
    Abstract: Provided is a composite nonwoven fabric including: a silk region that contains crimped silk fibers as a main component; and a synthetic fiber nonwoven fabric region that contains polyolefin resin-containing synthetic fibers as a main component.
    Type: Application
    Filed: July 5, 2021
    Publication date: July 13, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Mayu FUSHIMI, Taro ICHIKAWA
  • METHOD FOR PRODUCING CYCLIC OLEFIN COMPOUND
    Publication number: 20230219868
    Abstract: Provided is a method for producing a cyclic olefin compound, including a step of producing a cyclic olefin compound by acting a divalent nickel complex represented by General Formula (1) to decarbonylate and decarboxylate an alicyclic dicarboxylic acid anhydride, in which the divalent nickel complex includes at least one specific anionic ligand Y.
    Type: Application
    Filed: June 10, 2021
    Publication date: July 13, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Haruyuki MAKIO, Takaaki YANO, Akira MATSUURA
  • Sulfide-based solid electrolyte for lithium secondary battery
    Patent number: 11699809
    Abstract: Provided is a sulfide-based solid electrolyte which is capable of suppressing the generation of hydrogen sulfide caused by reaction with moisture even when in contact with dry air in a dry room or the like, and capable of maintaining lithium ion conductivity. Proposed is a sulfide-based solid electrolyte for a lithium secondary battery, wherein the surface of a compound containing lithium, phosphorus, sulfur, and halogen, and having a cubic argyrodite-type crystal structure is coated with a compound containing lithium, phosphorus, and sulfur, and having a non-argyrodite-type crystal structure.
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: July 11, 2023
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Hideo Uesugi, Norihiko Miyashita, Hitohiko Ide, Takahiro Ito, Takashi Chikumoto, Takashi Muranaka
  • Prolonged ectoparasite-controlling agent for animal
    Patent number: 11696913
    Abstract: A compound represented by Formula (1) can be used as a prolonged ectoparasite-controlling agent for an animal. A preparation for systemic application for use in prolonged control of an ectoparasite in an animal include the compound. A method for prolonged control of an ectoparasite on an animal includes systemically applying the compound. The compound may be used for preparing a medicament for prolonged control of an ectoparasite on an animal. A horticultural or agricultural insecticide containing the compound, and a method of protecting a crop from a harmful organism is also provided.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: July 11, 2023
    Assignee: MITSUI CHEMICALS AGRO, INC.
    Inventors: Yoji Aoki, Shinichi Banba, Markus Berger, Lars Baerfacker
  • POROUS MEMBRANE OF POLYTETRAFLUOROETHYLENE AND/OR MODIFIED POLYTETRAFLUOROETHYLENE HAVING HIGH STRENGTH AND SMALL PORE DIAMETER
    Publication number: 20230211296
    Abstract: Provided is a porous membrane including polytetrafluoroethylene and/or modified polytetrafluoroethylene having a small pore diameter, thin film thickness, high porosity, and high strength; and a method for manufacturing the same. The porous membrane including polytetrafluoroethylene and/or modified polytetrafluoroethylenehas bubble point of isopropyl alcohol according to JIS K3832 of 600 kPa or more, and tensile strength according to JIS K6251 of 90 MPa or more.
    Type: Application
    Filed: May 5, 2021
    Publication date: July 6, 2023
    Applicant: CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD.
    Inventors: KOHEI MIYAMAE, SHUNICHI SHIMATANI, KAZUO KONABE
  • Olefin oligomerization catalyst and method for producing olefin oligomer in the presence of the same catalyst
    Patent number: 11691136
    Abstract: A method for producing an olefin oligomer is disclosed, in which an olefin oligomerization reaction is performed in the presence of an olefin oligomerization catalyst comprising (A) a chromium compound, (B) an amine compound of the general formula (1): (R1 to R4 represent a group such as a hydrocarbon group, Y represents a structure represented by —CR5R6—, R5 and R6 represent a group such as a hydrogen atom, and Z represents an integer of 1 to 10), and (C) a compound such as an organometal compound; and the olefin oligomerization catalyst.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: July 4, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Seiichi Ishii, Shinichiro Ichikawa, Terunori Fujita
  • METAL MEMBER, METAL-RESIN COMPOSITE, AND METHOD FOR MANUFACTURING METAL MEMBER
    Publication number: 20230203670
    Abstract: A metal member has a region in which a dendritic layer is formed on a surface. The region has an arithmetic average roughness Ra of 20.0 ?m or less.
    Type: Application
    Filed: July 21, 2021
    Publication date: June 29, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Junya SHIMAZAKI, Daiki SUMITA
  • CRYSTALLINE POLYAMIDE RESIN, RESIN COMPOSITION, AND MOLDED ARTICLE
    Publication number: 20230203247
    Abstract: Provided is a crystalline polyamide resin that can exhibit a high mechanical strength and electrical resistance in high temperature regions (in the neighborhood of 150° C.). This polyamide resin has the following: a dicarboxylic acid-derived component unit (a) that includes a component unit (a1) derived from terephthalic acid, naphthalenedicarboxylic acid, or cyclohexanedicarboxylic acid, at more than 20 mol % and up to and including 100 mol % with reference to the total number of moles of the dicarboxylic acid-derived component unit (a); and a diamine-derived component unit (b) that contains a component unit (b1) deriving from alkylenediamine having 4-18 carbon atoms and a component unit (b2) deriving from diamine given by formula (1).
    Type: Application
    Filed: July 5, 2021
    Publication date: June 29, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kohei NISHINO, Toshitaka KOSAKA, Isao WASHIO
  • XYLYLENE DIISOCYANATE COMPOSITION, POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, RESIN, MOLDED ARTICLE, OPTICAL ELEMENT, AND LENS
    Publication number: 20230202971
    Abstract: A xylylene diisocyanate, a compound represented by the following chemical formula (1), and a compound represented by the following chemical formula (2) are contained in a xylylene diisocyanate composition.
    Type: Application
    Filed: March 9, 2022
    Publication date: June 29, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Masayuki TAKAGUCHI, Masaru KAWAGUCHI
  • Reciprocating compressor-expander
    Patent number: 11686304
    Abstract: A reciprocating compressor-expander according to the present invention comprises a cylinder, a piston, a crankshaft connected to the piston, a first valve for a low pressure compressible fluid, a second valve for a high pressure compressible fluid, and a valve drive mechanism for driving the first valve and the second respectively such that, during a compression process, the low-pressure compressible fluid is sucked into the cylinder from the first valve in synchronization with the rotation of the crankshaft and the high-pressure compressible fluid compressed in the cylinder is discharged from the second valve, and that, during an expansion process, the high-pressure compressive fluid is introduced from the second valve into the cylinder, and the low-pressure compressible fluid expanded in the cylinder is discharged from the first valve.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: June 27, 2023
    Assignee: MITSUI E&S MACHINERY CO., LTD.
    Inventor: Motoyuki Takahashi
  • Sulfide-based solid electrolyte particles
    Patent number: 11688879
    Abstract: A sulfide-based solid electrolyte particle having a crystal phase of a cubic argyrodite-type crystal structure composed of Li, P, S and a halogen (Ha. The proposed sulfide-based solid electrolyte particle has a feature such that the ratio (ZHa2/ZHa1) of an element ratio ZHa2 of the halogen (Ha) at the position of 5 nm in depth from the particle surface to an element ratio ZHa1 of the halogen (Ha) at the position of 100 nm in depth from the particle surface is 0.5 or lower, as measured by XPS; and the ratio (ZO2/ZA2) of an element ratio ZO2 of oxygen to the total ZA2 of element ratios of phosphorus (P), sulfur (S), oxygen (O) and the halogen (Ha) at the position of 5 nm in depth from the particle surface is 0.5 or higher, as measured by XPS.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: June 27, 2023
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Tsukasa Takahashi, Takashi Chikumoto, Takahiro Ito