Patents Assigned to Mitsui Chemicals, Inc.
  • 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
  • Publication number: 20220168989
    Abstract: Disclosed are: a fiber-reinforced resin article which includes, on at least one face of a unidirectional fiber-reinforced resin sheet (UDS), a plurality of chopped sheets (CS) of a unidirectional fiber-reinforced resin sheet which is the same as or different from the abovementioned unidirectional fiber-reinforced resin sheet (UDS), wherein the ratio of the chopped sheets (CS), with respect to 100 parts by mass of the unidirectional fiber-reinforced resin sheet (UDS), is at least 40 parts by mass and no more than 100 parts by mass; a method for manufacturing a fiber-reinforced resin article, said method having a step for positioning a plurality of the chopped sheets (CS), and a step for heating and pressurizing; and a laminate including the fiber-reinforced resin article and a foam layer.
    Type: Application
    Filed: March 4, 2020
    Publication date: June 2, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kazuaki KIKUCHI, Takeharu ISAKI
  • Publication number: 20220169943
    Abstract: A lubricating oil composition for automobile transmissions including a lubricant base oil, and a liquid random copolymer of ethylene and ?-olefin, the liquid random copolymer being produced using a specific catalyst, wherein the lubricating oil composition has a kinematic viscosity at 100° C. of 4.0 to 7.5 mm2/s, and a Brookfield viscosity at ?40° C. of 20,000 mPa·s or less, and wherein the lubricant base oil consists of a mineral oil with a kinematic viscosity at 100° C. of 2 to 10 mm2/s, a viscosity index of 105 or more, and a pour point of ?10° C. or lower, and/or a synthetic oil with a kinematic viscosity at 100° C. of 1 to 10 mm2/s, a viscosity index of 120 or more, and a pour point of ?30° C. or lower.
    Type: Application
    Filed: March 26, 2019
    Publication date: June 2, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Shota ABE
  • Publication number: 20220169940
    Abstract: A lubricating oil composition for automobile gears, including a lubricant base oil and a liquid random copolymer of ethylene and ?-olefin(s), the liquid random copolymer being produced using a specific catalyst, wherein the lubricating oil composition has a kinematic viscosity at 100° C. of 7 to 30 mm2/s, and wherein the lubricant base oil consists of a mineral oil having a kinematic viscosity at 100° C. of 2 to 10 mm2/s, a viscosity index of 105 or more and a pour point of ?10° C. or lower, and/or a synthetic oil having a kinematic viscosity at 100° C. of 1 to 10 mm2/s, a viscosity index of 120 or more and a pour point of ?30° C. or lower.
    Type: Application
    Filed: March 26, 2019
    Publication date: June 2, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Shota ABE
  • Publication number: 20220169777
    Abstract: A molded product of the present invention includes a polythiourethane, in which an SH group concentration according to an IR analysis method is 0.30 wt % to 3.0 wt %.
    Type: Application
    Filed: March 13, 2020
    Publication date: June 2, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yusuke MATSUI, Masayuki FURUYA, Shinsuke ITO
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • Publication number: 20220149463
    Abstract: Provided are an outer packaging film for a lithium-ion battery, a lithium-ion battery, and a lithium-ion battery stack. The outer packaging film for a lithium-ion battery has a layered structure that includes a thermal adhesive layer, a metal layer, and a gas barrier layer, wherein the thermal adhesive layer, the metal layer, and the gas barrier layer are arranged in this order, and wherein the layered structure further includes a self-extinguishing layer.
    Type: Application
    Filed: March 26, 2020
    Publication date: May 12, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Shinji YAMAMOTO, Yuri SUGIHARA
  • Publication number: 20220145052
    Abstract: A propylene resin composition includes a propylene polymer (A) satisfying requirements (1) to (3) below: (1) having a number average molecular weight (Mn) measured by gel permeation chromatography (GPC) of 5000 to 22000; (2) having a ratio (Mw/Mn) of a weight average molecular weight (Mw) to a number average molecular weight (Mn) measured by gel permeation chromatography (GPC) being 1.2 to 3.5; and (3) having a proportion of a component eluted at a temperature of not more than ?20° C. in temperature rising elution fractionation (TREF) being not more than 3.5 mass %.
    Type: Application
    Filed: March 17, 2020
    Publication date: May 12, 2022
    Applicants: MITSUI CHEMICALS, INC., PRIME POLYMER CO., LTD.
    Inventors: Keita ITAKURA, Katsuhiko KOIKE, Ryoko HIROI, Hiroyuki FUKUSHIMA, Kou TSURUGI, Atsushi SHIBAHARA, Fumiaki NISHINO, Kohei TANAKA, Yasuhiro KAI, Naoya NODA, Kenji MICHIUE, Takanori FURUTA
  • Publication number: 20220146859
    Abstract: A lens ordering system includes: a computer, the computer being provided with a CPU, a storage unit, and a selection unit that is configured to be controlled by the CPU. The storage unit stores data, configured to enable determination of lens information that includes a resin material type, a pigment type, and a coating type that are used for a lens material, based on user information that includes basic information pertaining to a user, and at least one of usage information pertaining to lens usage desired by the user or psychosomatic information including psychosomatic symptoms and conditions including the eyes of the user. The selection unit determines and outputs the lens information based on the user information acquired pertaining to the user and the data stored in the storage unit.
    Type: Application
    Filed: March 10, 2020
    Publication date: May 12, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Shinsuke ITO