Patents Assigned to Mitsui Chemicals, Inc.
  • THERMOPLASTIC ELASTOMER COMPOSITION AND SHAPED ARTICLE THEREOF
    Publication number: 20230076229
    Abstract: One embodiment of the present invention relates to a thermoplastic elastomer composition or a shaped article thereof. The thermoplastic elastomer composition includes 100 parts by mass of an ethylene/?-olefin/non-conjugated polyene copolymer (A) including constituent units derived from ethylene, a C3-C20 ?-olefin and a non-conjugated polyene; 1 to 100 parts by mass of a crystalline polyolefin (B); 0.1 to 20 parts by mass of a polyorganosiloxane (C) having a viscosity at 25° C. (measured by a method in accordance with ASTM D 445-46T) of 100,000 cSt or less; and 0.1 to 3 parts by mass of a higher fatty acid amide (D).
    Type: Application
    Filed: March 22, 2021
    Publication date: March 9, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Suguru TANAKA, Yusuke YODA
  • THERMOPLASTIC ELASTOMER COMPOSITION AND SHAPED ARTICLE THEREOF
    Publication number: 20230071200
    Abstract: One embodiment of the present invention relates to a thermoplastic elastomer composition or a shaped article thereof. The thermoplastic elastomer composition is a composition including 100 parts by mass of an ethylene/?-olefin/non-conjugated polyene copolymer (A); 20 to 80 parts by mass of a propylene polymer (B) having a melt flow rate (measured at 230° C. under 2.16 kg load in accordance with ASTM D 1238-65T) of 1 to 100 g/10 min; and 0.1 to 50 parts by mass of an inorganic filler (C); or is a composition obtained by dynamically crosslinking 100 parts by mass of an ethylene/?-olefin/non-conjugated polyene copolymer (A); 20 to 80 parts by mass of the propylene polymer (B); 0.1 to 50 parts by mass of an inorganic filler (C); and a crosslinking agent (D).
    Type: Application
    Filed: March 30, 2021
    Publication date: March 9, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Nana TATEMATSU, Hayato KURITA
  • Medical instrument, cell culture method, fluorine-containing cyclic olefin polymer and fluorine-containing cyclic olefin polymer composition for it, and cultured cells
    Patent number: 11597910
    Abstract: Medical instrument includes a substrate, in which cells are in contact with or held on a surface of the substrate, and at least the surface of the substrate which holds the cells is formed of a fluorine-containing cyclic olefin polymer which contains a repeating structure unit represented by Formula (1), wherein in Formula (1), at least one of R1 to R4 is fluorine, an alkyl with 1 to 10 carbon atoms which contains fluorine, an alkoxy with 1 to 10 carbon atoms which contains fluorine, or an alkoxyalkyl with 2 to 10 carbon atoms which contains fluorine, R1 to R4 are selected from hydrogen and certain non-fluorinated groups when R1 to R4 do not contain fluorine, R1 to R4 may be the same as or different from each other, and R1 to R4 may be bonded to each other to form a cyclic structure.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: March 7, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Tadahiro Sunaga, Takashi Oda, Hiroshi Miyasako, Takeshi Osaka
  • Resin material for forming underlayer film, resist underlayer film, method of producing resist underlayer film, and laminate
    Patent number: 11599025
    Abstract: Provided is a resin material for forming an underlayer film which is used to form a resist underlayer film used in a multi-layer resist process, the resin material including a cyclic olefin polymer (I), in which a temperature at an intersection between a storage modulus (G?) curve and a loss modulus (G?) curve in a solid viscoelasticity of the resin material for forming an underlayer film which is as measured under conditions of a measurement temperature range of 30° C. to 300° C., a heating rate of 3° C./min, and a frequency of 1 Hz in a nitrogen atmosphere in a shear mode using a rheometer is higher than or equal to 40° C. and lower than or equal to 200°.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: March 7, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Keisuke Kawashima, Takashi Oda, Koji Inoue
  • Lithium boron fluorophosphate complex compound, lithium boron fluorophosphate-containing composition, lithium boron fluorophosphate, additive for lithium secondary battery, non-aqueous electrolytic solution for battery, and lithium secondary battery
    Patent number: 11597736
    Abstract: A lithium boron fluorophosphate complex compound including a compound A that is one selected from a group of lithium boron fluorophosphates represented by Formula (I), and a compound B that is one selected from a group of compounds represented by Formulae (II) to (IX). R0 represents a hydrocarbon group, R1 to R7 each independently represent a hydrogen atom or a substituent, R8, R9, R10, R11, and R13 to R21 each independently represent a substituent, and R12, R22, and R23 each independently represent a divalent linking group.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: March 7, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Han Zhang, Yusuke Shimizu, Kenichi Goto, Hitoshi Onishi, Gen Miyata
  • THIN FILM-SHAPED FIBER-REINFORCED RESIN AND RESIN MOLDED BODY, AND METHOD FOR PRODUCING THE SAME
    Publication number: 20230063313
    Abstract: Provided is a thin film-shaped fiber-reinforced resin that can sufficiently increase the impact resistance of a coated resin molded body while suppressing the reduction in bending elastic modulus of the resin molded body. The thin film-shaped fiber-reinforced resin includes a plurality of reinforcing fibers that are arranged in a single direction alignment, and a matrix resin with which the reinforcing fibers are impregnated. The matrix resin includes a thermoplastic plastic and a thermoplastic elastomer. The content of the thermoplastic elastomer with respect to the total of the thermoplastic plastic mass and the thermoplastic elastomer mass is 5-40 mass %.
    Type: Application
    Filed: March 29, 2021
    Publication date: March 2, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Taiki HIRANO, Takeharu ISAKI, Atsushi MIYATA
  • CYCLIC OLEFIN COPOLYMER, CYCLIC OLEFIN-BASED RESIN COMPOSITION, CROSS-LINKED PRODUCT, AND FORMED ARTICLE
    Publication number: 20230059817
    Abstract: A cyclic olefin copolymer includes one or more olefin-derived constituent units (A) represented by General Formula (I), one or more cyclic olefin-derived constituent units (C) represented by General Formula (II), one or more cyclic non-conjugated diene-derived constituent units (B) represented by General Formula (III), and one or more cyclic olefin-derived constituent units (D) represented by General Formula (V), in which, when a total number of moles of the constituent units in the cyclic olefin copolymer is 100 mol %, a content of the constituent unit (C) is 5 mol % or more and 40 mol % or less.
    Type: Application
    Filed: January 20, 2021
    Publication date: February 23, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kazuoki NAKAI, Hirohiko MURASE, Fumito TAKEUCHI
  • POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, POLYMERIZABLE PREPOLYMER COMPOSITION FOR OPTICAL MATERIAL, CURED PRODUCT, AND METHOD OF PRODUCING OPTICAL MATERIAL
    Publication number: 20230048290
    Abstract: A polymerizable composition for an optical material containing two or more different monomers for an optical material, and a polymerization catalyst, in which at least one of the two or more different monomers for an optical material is an isocyanate compound containing an aromatic ring, a content of the polymerization catalyst with respect to a total of 100 parts by mass of the two or more different monomers for an optical material is from 0.010 parts by mass to 0.50 parts by mass, and the viscosity measured by a B-type viscometer at 25° C. and 60 rpm is from 10 mPa·s to 1,000 mPa·s.
    Type: Application
    Filed: October 11, 2022
    Publication date: February 16, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kouji SUESUGI, Shinsuke ITO, Shotaro NAKANO, Yusuke MATSUI
  • LAMINATE SHEET, SANITARY MATERIAL, MEDICAL MATERIAL, AND METHOD FOR MANUFACTURING LAMINATE SHEET
    Publication number: 20230046949
    Abstract: A laminate sheet includes a water-vapor permeable polyurethane film having a hard segment phase and a first spunbond nonwoven fabric disposed at one side in a thickness direction of the water-vapor permeable polyurethane film. The first spunbond nonwoven fabric contains stretchable fibers containing a thermoplastic polyurethane and non-stretchable fibers containing a polyolefin. The melting point of the hard segment phase is 65? or more and 140? or less.
    Type: Application
    Filed: March 24, 2021
    Publication date: February 16, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Satoshi YAMASAKI, Taro ICHIKAWA
  • HOUSING, STRUCTURAL BODY, AND METHOD OF MANUFACTURING HOUSING
    Publication number: 20230051560
    Abstract: A cooling type housing (100) for housing a heating element (50) inside, including: an assembled metal housing (10); and a cooling flow path (30) provided at least on one surface (10A) of the metal housing (10), in which a heat medium flows, in which the cooling flow path (30) constitutes at least a part of the one surface (10A) of the metal housing (10).
    Type: Application
    Filed: January 14, 2021
    Publication date: February 16, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kazuki KIMURA, Nobuyoshi SHIMBORI, Mizue KURIYAGAWA
  • POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, POLYMERIZABLE PREPOLYMER COMPOSITION FOR OPTICAL MATERIAL, CURED PRODUCT, AND METHOD OF PRODUCING OPTICAL MATERIAL
    Publication number: 20230051738
    Abstract: A polymerizable composition for an optical material containing two or more different monomers for an optical material, and a polymerization catalyst, in which at least one of the two or more different monomers for an optical material is an isocyanate compound containing no aromatic rings, a content of the polymerization catalyst with respect to a total of 100 parts by mass of the two or more different monomers for an optical material is from more than 0.05 parts by mass to 2.0 parts by mass, and a viscosity measured by a B-type viscometer at 25° C. and 60 rpm is from 10 mPa·s to 1,000 mPa·s.
    Type: Application
    Filed: October 11, 2022
    Publication date: February 16, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kouji SUESUGI, Shinsuke ITO, Shotaro NAKANO, Yusuke MATSUI
  • Fiber-sizing agent, inorganic reinforcement material, resin composition, and molded article
    Patent number: 11577995
    Abstract: The purpose of the present invention is to provide a fiber-sizing agent which when applied to an inorganic reinforcement material contained in a resin composition, can provide a molded article having excellent impact resistance and high surface gloss properties. The fiber-sizing agent according to the present invention contains a modified olefin wax (A), a polyolefin resin (B), and a silane-coupling agent (C), wherein the mass ratio (A)/(B) of the modified olefin wax (A) to the polyolefin resin (B) is in the range of 0.2-10.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: February 14, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Hirotaka Kanaya, Kuniaki Kawabe, Yosuke Takahashi, Koji Matsunaga, Masaya Kusumoto, Takuya Tamura
  • Method for producing semiconductor device and intermediate for semiconductor device
    Patent number: 11581197
    Abstract: This method for producing a semiconductor device comprises: a first step wherein a plurality of semiconductor chips are affixed onto a supporting substrate such that circuit surfaces of the semiconductor chips face the supporting substrate; a second step wherein a plurality of sealed layers are formed at intervals by applying the sealing resin onto the semiconductor chips by three-dimensional modeling method, each sealed layer containing one or more semiconductor chips embedded in a sealing resin; a third step wherein the sealed layers are cured or solidified; and a fourth step wherein sealed bodies are obtained by separating the cured or solidified sealed layers from the supporting substrate.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: February 14, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Jun Kamada, Kaichiro Haruta, Yasuhisa Kayaba, Kazuo Kohmura, Yoichi Kodama
  • PELLICLE FILM, PELLICLE, ORIGINAL PLATE FOR EXPOSURE, EXPOSURE DEVICE, METHOD OF PRODUCING PELLICLE, AND METHOD OF PRODUCING SEMICONDUCTOR DEVICE
    Publication number: 20230036846
    Abstract: Provided are a pellicle film, a pellicle, an original plate for exposure, an exposure device, a method of producing a semiconductor device, and a method of producing a pellicle, the pellicle film containing carbon nanotubes having a silicon carbide layer in which at least a part of carbon is substituted with silicon at least on a surface layer side.
    Type: Application
    Filed: February 16, 2021
    Publication date: February 2, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Atsushi OKUBO, Kazuo KOHMURA, Hisako ISHIKAWA, Yosuke ONO, Yasuhisa FUJII, Wataru YOSHIKAWA, Nobuko MATSUMOTO, Tomoe DEGUCHI
  • COMPOUND, RESIN, POLYCARBONATE RESIN, AND OPTICAL MOLDED ARTICLE
    Publication number: 20230022186
    Abstract: Provided is a compound represented by General Formula (1) in General Formula (1), Ar1 and Ar2 independently represent a group selected from the following Formulae,
    Type: Application
    Filed: July 27, 2021
    Publication date: January 26, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Shintaro MAEKAWA, Yoshiyuki TOTANI, Kosuke MANO
  • Eyewear
    Patent number: 11561412
    Abstract: Provided is eyewear comprising a front piece that has a metallic wraparound end piece and a non-metallic hinge member that constitutes a hinge portion together with the wraparound end piece. Thereby eyewear that is comfortable to wear and has a metallic front piece is provided.
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: January 24, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Ryuki Kan, Hirofumi Asada, Tsuyoshi Kamibeppu, Takafumi Ohto, Masayoshi Hino
  • Bendable circuit board, expandable circuit board, and electronic device made therefrom
    Patent number: 11542377
    Abstract: Provided are an expandable or bendable circuit board having good body-contact feel, strong against bending and folding, and an electronic device made therefrom. The bendable circuit board includes: a film comprising a polyurethane synthesized by reacting a long-chain polyol with polyisocyanate and having a storage modulus at 25° C. of 20 to 200 MPa, a tensile strength of 20 to 80 MPa, and an elongation at break of 500 to 900%, and the temperature of which the storage elastic modulus reaches to 1 MPa is at 155° C. or higher; and circuit wiring formed in contact with a surface of the film. Alternatively, an expandable circuit board having the ratio ?/?0 of the specific electrical resistance ? of the circuit wiring when the circuit wiring is expanded to the specific electrical resistance (?·cm) ?0 of the circuit wiring before the circuit wiring is expanded is within a range of 1.05 to 10.0.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: January 3, 2023
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Tadahiro Sunaga, Jun Okabe, Shizuo Tokito, Koji Yokosawa
  • Polymerizable composition for optical material, polymerizable prepolymer composition for optical material, cured product, and method of producing optical material
    Patent number: 11542357
    Abstract: A polymerizable composition for an optical material containing two or more different monomers for an optical material, and a polymerization catalyst, in which at least one of the two or more different monomers for an optical material is an isocyanate compound containing no aromatic rings, a content of the polymerization catalyst with respect to a total of 100 parts by mass of the two or more different monomers for an optical material is from more than 0.05 parts by mass to 2.0 parts by mass, and a viscosity measured by a B-type viscometer at 25° C. and 60 rpm is from 10 mPa·s to 1,000 mPa·s.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: January 3, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Kouji Suesugi, Shinsuke Ito, Shotaro Nakano, Yusuke Matsui
  • ETHYLENE/alpha-OLEFIN COPOLYMER COMPOSITION AND APPLICATION THEREOF
    Publication number: 20220411659
    Abstract: An object of the present invention is to obtain a composition having, for example, improved anti-sagging properties, pigment dispersibility, and crack resistance, and the present invention relates to an ethylene/?-olefin copolymer composition including: an ethylene/?-olefin copolymer (A) satisfying requirements (a-1) to (a-3) described below; one or more selected from a color material (D), a resin (E) and an oil (F); and a solvent (C), (a-1) a methyl group index measured by 1H-NMR is in a range of 40 to 60%, (a-2) a weight average molecular weight (Mw) determined by gel permeation chromatography (GPC) is in a range of 3,000 to 30,000, (a-3) no melting peak is observed at temperatures ranging from ?100° C. to 150° C. in differential scanning calorimetry (DSC).
    Type: Application
    Filed: October 6, 2020
    Publication date: December 29, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yuto YOSHIDA, Kuniaki KAWABE
  • Propylene-based block copolymer, production method therefor, and solid titanium catalyst ingredient for olefin polymerization
    Patent number: 11535735
    Abstract: The purpose of the present invention is to provide a propylene-based block copolymer, the deposition thereof on the inner wall of the polymerization vessel having been sufficiently inhibited. The propylene-based block copolymer of the present invention has a flowability evaluation value of 40% or less, the value being calculated with the following equation wherein X (sec) is the number of seconds over which 100 g of the copolymer having ordinary temperature falls from a stainless-steel funnel having an inner diameter of 11.9 mm and Y (sec) is the number of seconds over which 100 g of the copolymer which has been held at 80° C. for 24 hours under a load of 10 kg falls from the funnel having an inner diameter of 11.9 mm. Flowability evaluation value (%)={(Y/X)?1}×100.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: December 27, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Atsushi Sakuma, Kazutaka Tsuru, Kenichiro Okamura