Patents Assigned to Mitsubishi Chemical Corporation
  • Publication number: 20220382155
    Abstract: There is provided a conductive composite having excellent conductivity and able to form a conductive film with which film loss in a resist layer is low. The conductive composite of the present invention includes a conductive polymer and a surfactant. When a critical micelle concentration of the surfactant is less than 0.1% by mass, a content of the surfactant is 5 parts by mass or more with respect to 100 parts by mass of the conductive polymer. In addition, when the critical micelle concentration of the surfactant is 0.1% by mass or more, the content of the surfactant is more than 100 parts by mass with respect to 100 parts by mass of the conductive polymer.
    Type: Application
    Filed: July 25, 2022
    Publication date: December 1, 2022
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Saki NAKANO, Takahiro MORI
  • Publication number: 20220384840
    Abstract: Provided is a nonaqueous electrolyte secondary battery, including a positive electrode with a positive electrode active material capable of absorbing and releasing a metal ion; a negative electrode with a negative electrode active material capable of absorbing and releasing a metal ion; and a nonaqueous electrolyte solution; wherein the positive electrode active material includes a lithium transition metal compound, and the positive electrode active material includes at least Ni, Mn and Co, wherein the molar ratio of Mn/(Ni+Mn+Co) is larger than 0 and not larger than 0.32, the molar ratio of Ni/(Ni+Mn+Co) is 0.55 or more, the plate density of the positive electrode is 3.0 g/cm3 or more; and the nonaqueous electrolyte solution includes a monofluorophosphate and/or a difluorophosphate. A total content of the monofluorophosphate and/or difluorophosphate is 0.01% by mass or more in terms of the concentration in the nonaqueous electrolyte solution.
    Type: Application
    Filed: August 4, 2022
    Publication date: December 1, 2022
    Applicants: Mitsubishi Chemical Corporation, MU IONIC SOLUTIONS CORPORATION
    Inventors: Koichi NISHIO, Jungmin KIM
  • Publication number: 20220379529
    Abstract: Provided is a resin molded product having excellent scratch resistance. The resin molded product of the present invention is a resin molded product including a methacrylic-based resin composition, in which the methacrylic-based resin composition contains a (meth)acrylic-based polymer (A) and a fatty acid compound (B), and an absorbance ratio P1/P2 of a peak absorbance P1 in a wave number range of 1630 to 1650 cm?1 to a peak absorbance P2 in a wave number range of 1710 to 1730 cm?1 on a surface of the resin molded product, measured by a single reflection ATR surface reflection method with an infrared spectrophotometer, is 0.0040 or more.
    Type: Application
    Filed: June 13, 2022
    Publication date: December 1, 2022
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Yujiro Hamada, Yudai Motomatsu, Masahiko Ono
  • Patent number: 11515590
    Abstract: A partition member includes an encapsulated body capable of retaining a liquid, and an outer package body for accommodating the encapsulated body and the liquid. The area S1 of the encapsulated body when the outer package body and the encapsulated body are seen in a planar view from the thickness direction and the area S2 of a gap between the outer package body and the encapsulated body satisfy the relationship represented by formula 1 below, and the volume V1 of the liquid and the volume V2 of the encapsulated body satisfy the relationship represented by formula 2 below. S1/(S1+S2)?0.99 and??Formula 1 0.02?V1/V2?1.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: November 29, 2022
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Tatsuhiko Honda, Naoto Maru, Tomohiro Kawai, Iwao Soga
  • Patent number: 11512197
    Abstract: The purpose of the present invention is to establish a more precise method for evaluating long-run moldability and, based on this method, improve long-run moldability of a resin composition containing an EVOH-based resin and a nylon 6-based polyamide. Provided is a resin composition having improved long-run moldability and containing an EVOH-based resin and a nylon 6-based polyamide, wherein the amount of ?-caprolactam is 200 ppm or less. When the resin composition comprises an EVOH-based resin and a nylon 6-based polyamide, contacting the resin composition with water can reduce the amount of ?-caprolactam.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: November 29, 2022
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventor: Kota Inoue
  • Patent number: 11512412
    Abstract: Provided is a sheet molding compound having excellent thick portion-molding properties that can inhibit the occurrence of internal cracks even during the molding of a thick portion and enables a carbon fiber composite material molded article to be excellently released from a die. Also provided is a carbon fiber composite material molded article. The sheet molding compound of the present invention contains a fiber substrate (A) containing carbon fiber and a thermosetting resin composition (B), in which an average fiber length of the carbon fiber is 5 mm or more, and a volumetric molding shrinkage rate of the thermosetting resin composition (B) is 0.5% or more and 4.4% or less. Furthermore, the carbon fiber composite material molded article of the present invention has a thick portion having a thickness of 10 mm or more, in which the thick portion is formed of a cured material of the sheet molding compound of the present invention.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: November 29, 2022
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Yasuhiko Nabeshima, Yasunori Murano, Akira Oota
  • Patent number: 11515541
    Abstract: Provided is a porous electrode substrate capable of reducing a drop in electromotive force when used in a battery. This porous electrode substrate comprises a carbon fiber sheet wherein carbon fibers are bound by a binder. For dust of 0.3 ?m or more in particle size, the dust generation amount per 1 m2 of the porous electrode substrate is 120,000/m2 or less, as determined by the following method: dust particles in a gas obtained by suctioning at 47.2 mL/s for 40 minutes using a dust collecting hood having an opening of 500 mm×100 mm while traveling the sheet at a speed of 10 m/min from a position 200 mm below the sheet are used; the number of dust particles having a diameter within a predetermined range is measured by a particle counter; and the measured value is divided by 200 m2, which is a suction area, and the resulting value is defined as a dust generation amount per 1 m2.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: November 29, 2022
    Assignee: Mitsubishi Chemical Corporation
    Inventor: Kyu Ota
  • Patent number: 11512190
    Abstract: An ethylene-vinyl alcohol copolymer composition is substantially free from coloration, and contains: (A) an ethylene-vinyl alcohol copolymer; (B) a polyamide resin; and (C) an iron compound; wherein the iron compound (C) is present in an amount of 0.01 to 20 ppm on a metal basis based on the weight of the ethylene-vinyl alcohol copolymer composition.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: November 29, 2022
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Shintaro Usui, Daichi Nishimura, Minako Ikeshita
  • Publication number: 20220372351
    Abstract: The present disclosure provides an adhesive composition that contains a polyester resin (A), wherein the polyester resin (A) contains a structural unit derived from at least one compound (a1) selected from the group consisting of a dimer acid compound and a dimer diol, and a structural unit derived from an aromatic compound (a2).
    Type: Application
    Filed: July 29, 2022
    Publication date: November 24, 2022
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Hideaki Suzuki, Kazunao Kusano
  • Publication number: 20220373727
    Abstract: Provided is a molded product which exhibits an excellent jet black color in a case where a light source is turned off, can exhibit a specific color tone in a case where the light source is turned on, and has a high solar transmittance. The molded product of the present invention is a molded product comprising a transparent resin, in which an L* value of reflected light is 35 or less, in a wavelength range of 430 nm or more and 700 nm or less, a wavelength at which a maximum value of a light transmittance is shown is in a wavelength range of 430 nm or more and less than 680 nm, and a light transmittance at a wavelength of 770 nm is 0.5% or more.
    Type: Application
    Filed: August 1, 2022
    Publication date: November 24, 2022
    Applicant: Mitsubishi Chemical Corporation
    Inventor: Tadayoshi SAWADA
  • Patent number: 11505812
    Abstract: An object of the present invention is to provide a simple method of producing ergothioneine. The present invention provides a method of producing ergothioneine comprising a step of culturing a microbe belonging to the genus Moniliella in a medium containing a carbon source to allow the microbe to produce ergothioneine.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: November 22, 2022
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Takayuki Maeda, Ryouichi Yamada, Kohei Miyaoku
  • Publication number: 20220363964
    Abstract: The present invention relates to an acrylic resin powder containing a multistage polymer (G) having an alkyl (meth)acrylate ester (ma) monomer unit and an alkyl (meth)acrylate ester (mb) monomer unit, in which an alkyl group in the alkyl (meth)acrylate esters (ma) and (mb) has 4 to 8 carbon atoms, a glass transition temperature of the multistage polymer (G) is 50° C. or higher, a mass average molecular weight is 10,000 or more and 300,000 or less, a softening temperature that is measured by a flow tester temperature-rising method is 150° C. to 200° C., and the acrylic resin powder is soluble in acetone.
    Type: Application
    Filed: July 27, 2022
    Publication date: November 17, 2022
    Applicant: Mitsubishi Chemical Corporation
    Inventor: Kazuyuki Oka
  • Publication number: 20220363987
    Abstract: An object of the present invention is to provide a scintillator having a high radiation stopping power, and having a shorter fluorescence decay time compared to conventional scintillators. The above object is achieved by setting the composition of a scintillator to a composition represented by General Formula (1). QxMyO3z??(1) (wherein in General Formula (1), Q includes at least two or more divalent metallic elements; M includes at least Hf; and x, y, and z independently satisfy 0.5?x?1.5, 0.5?y?1.5, and 0.7?z?1.5, respectively).
    Type: Application
    Filed: July 19, 2022
    Publication date: November 17, 2022
    Applicants: Mitsubishi Chemical Corporation, Tohoku University
    Inventors: Koji Hazu, Kentaro Horibe, Keiji Yamahara, Sunsuke Kurosawa, Akira Yoshikawa
  • Publication number: 20220363554
    Abstract: An object of the present invention is to provide a silica particle, a silica sol containing the silica particle, and a polishing composition containing the silica sol, which prevent secondary aggregation, have excellent dispersion stability, and are suitable for polishing. The present invention relates to a silica particle in which an average value of a circularity coefficient measured by a field-emission scanning electron microscope is 0.90 or more, and a standard deviation of the circularity coefficient is 0.05 or less.
    Type: Application
    Filed: July 26, 2022
    Publication date: November 17, 2022
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Naoko SUMITANI, Tsutomu YONEMORI, Eiji DEJIMA, Yasuhiro KAWASE
  • Publication number: 20220364704
    Abstract: An indicator lamp of the present invention includes a lamp body, a light source unit disposed inside the lamp body, and a light transmissive resin member disposed at a position for transmitting light that is emitted from the light source unit and for outputting the light from the lamp body. The light source unit emits red light having a maximum value of light intensity at a wavelength of 600 nm or longer and 700 nm or shorter. The light transmissive resin member has an L* value of 35 or less, a transmittance of light having a wavelength of 675 nm of 90% or greater and a total light transmittance of 5% or greater in the state in which an optical path length of transmitting light is 2 mm. This configuration provides an indicator lamp with excellent design that shows its presence by showing a red chromatic tone when a light source is turned on and that shows a black color tone when the light source is turned off.
    Type: Application
    Filed: July 30, 2020
    Publication date: November 17, 2022
    Applicants: NISSAN MOTOR CO., LTD., MITSUBISHI CHEMICAL CORPORATION
    Inventors: Yu SASAKI, Tatsuomi NAKAYAMA, Yusuke HIRATA, Takao MARUTANI, Tadayoshi SAWADA
  • Patent number: 11498994
    Abstract: Provided is a block copolymer composition which contains a block copolymer having a specific molecular structure and has a molecular weight distribution within an appropriate range. A polymerizable composition containing a macromonomer (A) which has a group having a radical-reactive unsaturated double bond at one terminal of a poly(meth)acrylate segment, a vinyl monomer (B), and an organic iodine compound (C), or a polymerizable composition containing a macromonomer (A), a vinyl monomer (B), an azo-based radical polymerization initiator (E), and iodine is polymerized to obtain a block copolymer composition containing a block copolymer in which constitutional units of all blocks are derived from vinyl monomers and at least one block has a branched structure.
    Type: Grant
    Filed: November 22, 2018
    Date of Patent: November 15, 2022
    Assignees: Mitsubishi Chemical Corporation, Nanyang Technological University
    Inventors: Hiroshi Niino, Shunsuke Chatani, Shuyao Hsu, Atsushi Goto, Longqiang Xiao, Jun Jie Chang
  • Patent number: 11499069
    Abstract: A (meth)acrylic copolymer of the present invention includes a constituent unit (B) derived from a polysiloxane block-containing polymerizable monomer (b) represented by Formula (b1). In Formula (b1), R30 represents a hydrogen atom or a methyl group, a represents an integer of 2 to 5, b represents a number of 0 to 50, c represents an integer of 0 to 18, d represents a number of 1 to 1000, e represents a number of 1 to 80, R31 to R39 each represents an alkyl group, an alkoxy group, a phenyl group, a substituted phenyl group, a phenoxy group, or a substituted phenoxy group.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: November 15, 2022
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Kana Taniguchi, Junichi Nakamura, Sho Katsumata
  • Publication number: 20220356301
    Abstract: Provided is a method for producing an aliphatic-aromatic polyester, such as PBST, by an esterification and/or transesterification reaction and a polycondensation reaction, the method being capable of reducing the insufficiency in the degree of crystallization in the related art and capable of producing an aliphatic-aromatic polyester having a high degree of crystallinity. A method for producing an aliphatic-aromatic polyester, the method including subjecting an aliphatic diol component, an aliphatic dicarboxylic acid component, and an aromatic dicarboxylic acid component that serve as raw materials to an esterification and/or transesterification reaction and a polycondensation reaction subsequent to the esterification and/or transesterification reaction in a presence of a catalyst, wherein, while the aliphatic-aromatic polyester is produced, a nucleating agent that satisfies a condition represented by Formula (1) below is present in a reaction system. 0° C.<Tm1?Tm2?100° C. . . .
    Type: Application
    Filed: July 19, 2022
    Publication date: November 10, 2022
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Yutaka YATSUGI, Shunsuke TANAKA
  • Publication number: 20220359887
    Abstract: A hydrophilic porous carbon electrode which has excellent hydrophilicity, which has high reaction activity when used for a battery, and with which excellent battery characteristics is able to be obtained is provided. A hydrophilic porous carbon electrode is a sheet-form hydrophilic porous carbon electrode in which a carbon fiber is bonded using a resin carbide and has a contact angles ?A of water on both surfaces in a thickness direction being 0 to 15° and a contact angle ?B of water in a middle portion in the thickness direction being 0 to 15°. The hydrophilic porous carbon electrode is obtained by forming the carbon fiber and a binder fiber into a sheet, impregnating the sheet into a thermosetting resin, subjecting it to heat press processing, and then subjecting it to carbonization at 400 to 3000° C. in an inert atmosphere. The hydrophilic porous carbon electrode is transported and is subjected to a heat treatment while an oxidizing gas flows at 400 to 800° C.
    Type: Application
    Filed: July 18, 2022
    Publication date: November 10, 2022
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Kyu OTA, Hiroto TATSUNO, Kazuhiro SUMIOKA
  • Publication number: 20220359913
    Abstract: An object of the present invention is to provide a non-aqueous electrolytic solution secondary battery capable of improving low-temperature output characteristics. The problem is solved by a secondary battery including a non-aqueous electrolytic solution containing fluorosulfonic acid ions, difluorophosphate ions, and bisoxalate borate ions, in which [FSO3?]>[PO2F2?]>[BOB?] is satisfied in the non-aqueous electrolytic solution.
    Type: Application
    Filed: July 26, 2022
    Publication date: November 10, 2022
    Applicants: Mitsubishi Chemical Corporation, MU IONIC SOLUTIONS CORPORATION
    Inventor: Tatsuhiko HONDA