Patents Assigned to Mitsui
  • LUBRICATING OIL AND METHOD FOR PRODUCING THE SAME
    Publication number: 20220169939
    Abstract: The present invention provides a lubricating oil composition comprising a polymer for improving viscosity, the composition suppressing viscosity increase in low temperature and having an excellent low-temperature property, and having low viscosity decrease caused by shearing. The present invention is a lubricating oil composition containing from 30 to 90% by weight of a liquid random copolymer (A) of ethylene and ?-olefin produced by a specific method, and 10 to 70% by weight of a lubricating oil base consisting of one or more components selected from specific synthetic oil (B) or mineral oil (C) (note that the sum total of the components (A), (B) and (C) is 100% by weight).
    Type: Application
    Filed: March 26, 2019
    Publication date: June 2, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Shota ABE
  • PELLICLE
    Publication number: 20220171280
    Abstract: Task of the present invention is to provide a tackifier solution having high solution stability and also provide, by using such a tackifier solution, a pellicle having only few tackifier residues and exhibiting reduced outgas generation. Present invention is a pellicle comprising a pellicle frame, a pellicle membrane stretched over an end surface of one opening of the pellicle frame, and a tackifier layer provided on an end surface of the other opening of the pellicle frame, wherein the tackifier layer contains a (meth)acrylic tackifier which is a solidified resin composition comprising a polymer (A) and a radical polymerization initiator (B), the polymer (A) having a structural unit derived from a (meth)acrylate and a side chain consisting of a carbon-carbon multiple bond-containing group.
    Type: Application
    Filed: March 27, 2020
    Publication date: June 2, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yasushi SATOH, Takashi UNEZAKI, Hirofumi TANAKA, Ken ITO
  • RESIN COMPOSITION AND RESIN-ATTACHED COPPER FOIL
    Publication number: 20220169842
    Abstract: There is provided a resin composition including (a) an acrylic polymer having a tensile modulus of 200 MPa or less, (b) a resin that is solid at 25° C., (c) a resin that is liquid at 25° C. and crosslinkable with at least one of the component (a) or the component (b), and (d) a polymerization initiator. The content of the component (a) is 35 parts by weight or more and 93 parts by weight or less, the content of the component (b) is 3 parts by weight or more and 60 parts by weight or less, and the content of the component (c) is 1 part by weight or more and 25 parts by weight or less, based on 100 parts by weight of the total amount of the component (a), the component (b), and the component (c).
    Type: Application
    Filed: March 5, 2020
    Publication date: June 2, 2022
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Kazuhiro OOSAWA, Haruka MAKINO, Kuniharu OGAWA
  • LUBRICATING OIL COMPOSITION FOR COMPRESSOR OILS AND METHOD FOR PRODUCING THE SAME
    Publication number: 20220169948
    Abstract: A lubricating oil composition for compressor oils, including 10 to 99% by mass of a lubricant base oil (A) having a kinematic viscosity at 100° C. of 1 to 14 mm2/s, a viscosity index of 100 or more, and a pour point of 0° C. or lower, and 90 to 1% by mass of a liquid random copolymer ethylene-?-olefin copolymer (B) of ethylene and ?-olefin, the liquid random copolymer ethylene-?-olefin copolymer (B) being prepared by means of a specific catalyst (where the total amount of (A) and (B) is 100% by mass), the lubricating oil composition for compressor oils having a kinematic viscosity at 40° C. of 10 to 300 mm2/s.
    Type: Application
    Filed: March 26, 2019
    Publication date: June 2, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Shota ABE
  • METHOD FOR DETERMINING WHETHER ORGANISM HAVING CELL WALL EXISTS AND METHOD FOR IDENTIFYING ORGANISM HAVING CELL WALL
    Publication number: 20220162678
    Abstract: A method of determining presence state of an organism having cell wall includes: preparing a liquid sample by immersing a measurement sample in water solvent, or preparing a measurement sample that is water solvent as a liquid sample; and detecting presence state of one or more sRNA species in the liquid sample, wherein presence state of an organism having cell wall is determined based on the presence state of the one or more sRNA species. A method of identifying an organism having cell wall includes: preparing a liquid sample by immersing a measurement sample in water solvent, or preparing a measurement sample that is water solvent as a liquid sample; and detecting presence state of one or more sRNA species in the liquid sample, wherein an organism having cell wall present in the measurement sample is identified based on the presence state of the one or more sRNA species.
    Type: Application
    Filed: March 4, 2020
    Publication date: May 26, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Ryota FUJII
  • RESIN COMPOSITION, COPPER FOIL WITH RESIN, DIELECTRIC LAYER, COPPER-CLAD LAMINATE, CAPACITOR ELEMENT, AND PRINTED WIRING BOARD WITH BUILT-IN CAPACITOR
    Publication number: 20220162418
    Abstract: There is provided a resin composition that can greatly improve voltage endurance while ensuring high capacitance and excellent circuit adhesion, when used as the dielectric layer of a capacitor. This resin composition includes a binder component including bisphenol S, an epoxy resin curing agent having a phenolic hydroxyl group, and an epoxy resin; and a dielectric filler.
    Type: Application
    Filed: February 7, 2020
    Publication date: May 26, 2022
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Toshihiro HOSOI, Kenshiro FUKUDA, Yoshihiro YONEDA, Tomohiro ISHINO, Tetsuro SATO
  • OLEFIN RESIN, CROSSLINKED PRODUCT THEREOF, AND PRODUCTION METHODS THEREOF
    Publication number: 20220162369
    Abstract: The present invention relates to an olefin resin including a copolymer of an olefin macromonomer with a non-conjugated diene.
    Type: Application
    Filed: March 6, 2020
    Publication date: May 26, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Seiya KIKUCHI, Yasushi YANAGIMOTO
  • Antifogging laminate
    Patent number: 11338562
    Abstract: It is a main object of the present invention to impart higher antifogging properties to the hydrophilic material formed of a crosslinked resin, having a surface enriched with hydrophilic groups, previously proposed by the inventors. The laminate of the present invention includes a water absorbing layer (B) and a hydrophilic layer (A) provided in this order on a substrate, wherein the hydrophilic layer (A) is formed of a crosslinked resin having an anionic, cationic or nonionic hydrophilic group, and has a gradient of hydrophilic groups (intensity of hydrophilic group on surface of the hydrophilic layer (A)/intensity of hydrophilic group at ½ of thickness of the hydrophilic layer (A)) of not less than 1.1; and the water absorbing layer (B) is formed of a crosslinked resin having a water absorption rate per unit mass (g) of in the range of 5 to 500 wt %.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: May 24, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Takayuki Hanawa, Koju Okazaki
  • PROTECTION FILM, METHOD FOR AFFIXING SAME, AND METHOD FOR MANUFACTURING SEMICONDUCTOR COMPONENT
    Publication number: 20220153009
    Abstract: Provided are a method for affixing a protective film, a method for manufacturing a semiconductor component, and a protective film for use in the affixing method, which are capable of suppressing occurrence of a failure caused by a step on a main surface of a semiconductor wafer. The affixing method includes: an arrangement step of arranging a protective film so as to cover a main surface A of a semiconductor wafer; and an affixing step of pressing the protective film against the main surface to affix the protective film to the main surface. The affixing step includes a compression step of compressing the protective film in a thickness direction thereof.
    Type: Application
    Filed: March 26, 2020
    Publication date: May 19, 2022
    Applicant: MITSUI CHEMICALS TOHCELLO, INC.
    Inventors: Masao NOGAMI, Akimitsu MORIMOTO
  • LAMINATE, THREE-DIMENSIONAL MOLDED LAMINATE, AND METHOD FOR PRODUCING THREE-DIMENSIONAL MOLDED LAMINATE
    Publication number: 20220152973
    Abstract: Disclosed is a laminate having a carbon fiber reinforced thermoplastic resin woven layer (X) and a thermoplastic resin foam layer (Y) layered in the order of layer (X)/layer (Y)/layer (X), wherein the fabric contains unidirectional fiber reinforced resin sheets as warp and weft, the unidirectional fiber reinforced resin sheet containing continuous carbon fibers and a thermoplastic resin, and the carbon fibers are aligned in a longitudinal direction of the unidirectional fiber reinforced resin sheet, and the ratio (y/x) of the thickness (y) of the layer (Y) and the thickness (x) of the layer (X) is 3-40, and the density of the layer (Y) is 0.2-0.6 g/cc. Also disclosed are: a three-dimensional molded laminate in which a three-dimensional shape is given to said laminate; and a method for producing a three-dimensional molded laminate.
    Type: Application
    Filed: January 30, 2020
    Publication date: May 19, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Takeharu ISAKI, Kazuya MIZUMOTO
  • AFFIXING DEVICE
    Publication number: 20220157626
    Abstract: Described is an affixing apparatus capable of flattening a surface of a film affixed to a main surface of a plate-shaped body. An affixing apparatus for affixing the film to the plate-shaped body includes: a plate-shaped mounting member provided with a mounting portion on which the plate-shaped body is mounted; a plate-shaped pressing member installed at a position facing the mounting member; and a support member installed at an outer edge of the mounting portion so as to be positioned between the mounting member and the pressing member.
    Type: Application
    Filed: March 26, 2020
    Publication date: May 19, 2022
    Applicant: MITSUI CHEMICALS TOHCELLO, INC.
    Inventors: Masao NOGAMI, Akimitsu MORIMOTO
  • METHOD OF PRODUCING OPTICAL MATERIAL, AND POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL
    Publication number: 20220153963
    Abstract: The method of producing an optical material of the present disclosure includes a step of mixing a resin monomer for an optical material and an additive to prepare a polymerizable composition for an optical material having a hue specified by L* of 70 or more b* of from ?30 to 10 in the CIE 1976 (L*, a*, b*) color space when measured at a thickness of 10 mm, and a step of polymerizing and curing the polymerizable composition for an optical material.
    Type: Application
    Filed: March 27, 2020
    Publication date: May 19, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Masaru KAWAGUCHI, Shinsuke ITO
  • PHOTOCURABLE COMPOSITION, CURED PRODUCT, AND DENTAL PRODUCT
    Publication number: 20220153894
    Abstract: A photo-curable composition including a di-(meth)acrylic monomer (A) having two (meth)acryloyloxy groups and two urethane bonds, an acrylic monomer (B) having one acryloyl group, and a photopolymerization initiator, as well as a cured product of the photo-curable composition, and a dental product including the cured product.
    Type: Application
    Filed: March 30, 2020
    Publication date: May 19, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Toshikazu SAKAMAKI, Hirohisa SHIODE, Mai KIMURA
  • FILM FOR COMPONENT MANUFACTURE AND COMPONENT MANUFACTURING METHOD
    Publication number: 20220157634
    Abstract: Provided are a film for manufacturing semiconductor component, a film for electronic component manufacture, a method for manufacturing a semiconductor component using such a film for manufacturing semiconductor component, and a method for manufacturing an electronic component using such a film for electronic component manufacture. The film for component manufacture includes a base layer and an adhesive layer provided on one surface side of the base layer, and the Ra (?m) of the surface of one side of the base layer on which the adhesive layer is not provided is 0.1 to 2.0, and the Rz (?m) is 1.0 to 15. The method using the film for component manufacture includes a segmenting step, a pickup step, and an evaluation step prior to the pickup step.
    Type: Application
    Filed: January 31, 2022
    Publication date: May 19, 2022
    Applicant: MITSUI CHEMICALS TOHCELLO, INC.
    Inventor: Eiji HAYASHISHITA
  • THERMOPLASTIC ELASTOMER COMPOSITION AND MOLDED ARTICLE OF THE SAME
    Publication number: 20220153972
    Abstract: [Object] An object of the present invention is to provide a thermoplastic elastomer composition with excellent heat aging resistance and also excellent hardness and mechanical properties as well as excellent moldability. [Solution] A thermoplastic elastomer composition (I) including a cross-linked product of an ethylene.?-olefin.nonconjugated polyene copolymer (A) with a phenolic resin cross-linking agent (E), and 360 to 460 parts by mass of a crystalline polyolefin (B), 70 to 140 parts by mass of a softener (C), and 2 to 6 parts by mass of a lubricant (D) (provided that the amount of the copolymer (A) is 100 parts by mass).
    Type: Application
    Filed: March 16, 2020
    Publication date: May 19, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yasuhiro SHIBATA, Yusuke YODA, Kakeru CHIGAMA, Akihiro YAMAMOTO
  • NONAQUEOUS ELECTROLYTIC SOLUTION FOR BATTERY AND LITHIUM SECONDARY BATTERY
    Publication number: 20220158247
    Abstract: A nonaqueous electrolytic solution for a battery that includes a negative electrode active material containing graphite, the nonaqueous electrolytic solution for a battery containing a compound represented by the following Formula (1): in Formula (1), R represents a fluorine atom or a fluorinated hydrocarbon group having from 1 to 6 carbon atoms.
    Type: Application
    Filed: March 18, 2020
    Publication date: May 19, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kei SUGAWARA, Satoko FUJIYAMA
  • RESIN COMPOSITIONS
    Publication number: 20220153978
    Abstract: A resin composition, a shaped article, a fiber, a film and a sheet. The resin composition includes two or more kinds of polyolefin resins (A), and 0.05 to 10 mass % of an ?-olefin (co)polymer (B) satisfying requirements (b-1) to (b-3): (b-1) A methyl group index is 40 to 60%. The methyl group index is a ratio of an integral of a peak observed in a range of 0.50 to 1.15 ppm to an integral of peaks observed in a range of 0.50 to 2.20 ppm in a 1H-NMR spectrum of a solution of the (co)polymer (B) in deuterated chloroform, positions of the peaks being calculated relative to a solvent peak at 7.24 ppm assigned to CHCl3 in deuterated chloroform as a reference. (b-2) A weight average molecular weight determined by GPC is 1,500 to 20,000. (b-3) No melting point is observed from ?100 to 150° C. in DSC.
    Type: Application
    Filed: March 23, 2020
    Publication date: May 19, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yuto YOSHIDA, Atsushi TAKESHIMA, Terufumi SUZUKI, Kouji MATSUNAGA, Kuniaki KAWABE
  • Mouthpiece, sheet for production of mouthpiece piece unit, and production method of mouthpiece
    Patent number: 11331211
    Abstract: A mouthpiece including a constituent portion (X) that includes an olefin-based polymer (A) having a repeating unit having 2 or 3 carbon atoms and that satisfies a bending elastic modulus (?) at 23° C. of 80 MPa???1000 MPa.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: May 17, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Takashi Yukita, Maki Yamamoto, Hideyuki Nagai, Yasufumi Tsuchiya
  • Stacked core and method of manufacturing stacked core
    Patent number: 11336136
    Abstract: A stacked core includes: a stack formed by stacking a plurality of blanked members and including a first end surface and a second end surface; a first distinguishing hole formed in the stack and being open at the first end surface; and a second distinguishing hole formed in the stack and being open at the first end surface. The spatial shape of the first distinguishing hole is different from the spatial shape of the second distinguishing hole.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: May 17, 2022
    Assignees: Mitsui High-tec, Inc., HONDA MOTOR CO., LTD.
    Inventors: Akira Hyoguchi, Kenta Uchida
  • Adhesive member and production method for adhesive member
    Patent number: 11332643
    Abstract: Provided is an adhesive member including: a base material having an uneven shape on at least one surface; and a surface layer covering at least a portion of the surface having the uneven shape on the base material.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: May 17, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Jun Kamada, Tomoya Matayoshi, Michio Eriguchi, Kaichiro Haruta, Kenichi Fujii, Takashi Unezaki, Kazuo Kohmura