Patents Assigned to UBE Corporation
  • Patent number: 11951718
    Abstract: Provided is a laminate that has excellent low-temperature impact resistance and bursting pressure strength at high temperatures despite having a thick modified polyolefin layer. The laminate has two or more layers including an (a) layer and a (b) layer, the (a) layer includes an aliphatic polyamide composition (A), and the (b) layer includes a modified polyolefin (B). The modified polyolefin (B) includes a unit derived from a monomer based on an ?-olefin having 2-10 carbon atoms, and a unit derived from an unsaturated compound having at least one functional group selected from the group consisting of: unsaturated compounds having at least one group selected from the group consisting of a carboxyl group, a hydroxyl group, an epoxy group, an amino group, an amide group, an imide group, a nitrile group, a thiol group, and an isocyanate group; and derivatives of unsaturated compounds having a carboxyl group. The Shore hardness (D scale) of the modified polyolefin (B) as measured according to ASTM D2240 is 30-61.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: April 9, 2024
    Assignee: UBE CORPORATION
    Inventors: Kazutoshi Tsuboi, Daisuke Douyama, Hiroaki Fujii, Takaaki Kusumoto
  • Publication number: 20240113291
    Abstract: Provided is a negative electrode active material composition including a lithium titanate powder whose main component is Li4Ti5O12 and an inorganic solid electrolyte having conductivity for metal ions belonging to Group 1 of Periodic Table, wherein at least one metal element selected from the group consisting of Al, W, Ce, and Mo is present on the surfaces of lithium titanate particles constituting the lithium titanate powder.
    Type: Application
    Filed: February 3, 2022
    Publication date: April 4, 2024
    Applicant: UBE Corporation
    Inventors: Kei SHIMAMOTO, Shinichirou OOTANI, Takumi TAKENAKA
  • Patent number: 11938442
    Abstract: A gas separation system includes: a first gas separation membrane unit; a second gas separation membrane unit; a material gas feed line connected to a gas inlet port of the unit; a first compressor interposed to the line; a first connection line connecting a permeated gas discharge port of the unit and a gas inlet port of the unit; and a second connection line connecting a non-permeated gas discharge port of the unit and the line. The unit and unit each have a gas separation selectivity of 30 or greater. The CH4 recovery rate is 98% or higher. The CO2 content in non-permeated gas of the unit is 5 mol % or less. The flow rate of gas fed to the unit is 60% or less of the flow rate of material gas fed to the unit.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: March 26, 2024
    Assignee: UBE CORPORATION
    Inventors: Tomohide Nakamura, Nobuhiko Fukuda
  • Patent number: 11932841
    Abstract: The present invention provides a cell cultivation module comprising a polymer porous film and a casing that has two or more culture medium inflow/outflow ports and accommodates the polymer porous film, wherein the polymer porous film is a polymer porous film with a three-layer structure, having a surface layer A and a surface layer B that have a plurality of holes, and a macrovoid layer that is sandwiched between the surface layer A and the surface layer B, the average hole diameter of the holes present in the surface layer A is smaller than the average hole diameter of the holes present in the surface layer B, the macrovoid layer has dividing walls that are connected to the surface layers A and B, and a plurality of macrovoids that are surrounded by the dividing walls and the surface layers A and B, the holes in the surface layers A and B are in communication with the macrovoids, and the polymer porous film is accommodated within the casing.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: March 19, 2024
    Assignee: UBE CORPORATION
    Inventors: Masahiko Hagihara, Shinsaku Fuse, Motohisa Shimizu, Yukinori Wada
  • Patent number: 11898009
    Abstract: A flexible electronic device containing a polyimide film exhibiting excellent C-V characteristics. The polyimide film is a film that shows a maximum gradient of 0.005/V or more in a capacitance-voltage measurement of a laminate in which a polyimide film having a film thickness of 0.75 ?m is formed on a silicon wafer having a resistance value of 4 ?cm; the maximum gradient meaning a maximum value of an absolute value of a gradient in a normalized capacity-voltage curve during a third scan of forward direction scans; a capacity-voltage curve being measured by applying a direct current voltage is to the polyimide film with respect to the silicon wafer between a lowest voltage V1 and a highest voltage V2, and measuring capacitance while the direct current voltage is scanned in a forward direction and scanned in a negative direction; the normalized capacity-voltage curve being normalized so that the capacity at the lowest voltage V1 is 1.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: February 13, 2024
    Assignee: Ube Corporation
    Inventors: Norio Miura, Kazutaka Narita
  • Patent number: 11845674
    Abstract: The present invention provides a lithium titanate powder for an electrode of an energy storage device, the lithium titanate powder comprising Li4Ti5O12 as a main component, having a specific surface area of 4 m2/g or more, and containing at least one localized element selected from the group consisting of boron (B), Ln (where Ln is at least one metal element selected from the group consisting of La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Hb, Er, Tm, Yb, Lu, Y, and Sc), and M1 (where M1 is at least one metal element selected from W and Mo), wherein boron (B), Ln, and M1 as the localized element are localized on or near surfaces of lithium titanate particles forming the lithium titanate powder.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: December 19, 2023
    Assignee: UBE Corporation
    Inventors: Yoshiki Kurihara, Atsuyoshi Nakagawa, Hiroshi Fujino, Chisen Hashimoto, Hirofumi Takemoto, Koji Abe
  • Patent number: 11837751
    Abstract: This polyolefin micro-porous film includes a multilayered structure, wherein the multilayered structure contains a first layer composed of polypropylene resin, a second layer composed of polyethylene resin and provided on the first layer, and a third layer composed of polypropylene resin and provided on the second layer. Furthermore, a thickness of the first layer is thinner than a thickness of the second layer, a thickness of the third layer is thinner than the thickness of the second layer, and in the multilayered structure, a thickness is 16 ?m or less, a porosity is 40 to 70%, and a surface opening ratio is 10 to 30%.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: December 5, 2023
    Assignee: UBE CORPORATION
    Inventors: Taiga Adachi, Ryou Sakimoto
  • Publication number: 20230382893
    Abstract: The present invention provides a compound represented by formula (I): wherein the dashed line indicates the presence or absence of a bond; R1 is carboxy or the like; L is substituted or unsubstituted non-aromatic carbocyclyldiyl or the like; R2 is substituted or unsubstituted alkyl; R3 is a hydrogen atom or the like; X is ?CRX— or ?N—; Y is ?CRY— or ?N—; U is —CRU? or —N?; V is —CRV? or —N?; W is ?CRW— or ?N—; ZA is —C? or —N—; ZB is —CR5R6— or the like; ZC is —CR7R8— or the like; RX, RY, RV and RW are each independently a hydrogen atom or the like; RU is a hydrogen atom or the like; R5 and R6 are each independently a hydrogen atom or the like; R7 and R8 are each independently a hydrogen atom or the like; R4 is substituted or unsubstituted alkyloxy or the like, or a pharmaceutically acceptable salt thereof, having an antiviral activity; and a pharmaceutical composition comprising the same.
    Type: Application
    Filed: October 27, 2021
    Publication date: November 30, 2023
    Applicants: Shionogi & Co., Ltd., UBE Corporation
    Inventors: Azusa OKANO, Yusuke TATENO, Kouhei NODU, Shinji SUZUKI, Toshiyuki AKIYAMA, Masaaki MATOYAMA, Hirota AKAZA, Takashi FUKUDA
  • Patent number: 11814393
    Abstract: The present invention provides a compound of general formula (I) (wherein X is as described in the present description and claims), or a pharmacologically acceptable salt thereof, and a pharmaceutical composition containing that compound.
    Type: Grant
    Filed: June 16, 2022
    Date of Patent: November 14, 2023
    Assignee: UBE CORPORATION
    Inventors: Ken-Ichi Komori, Akishi Ninomiya, Masaru Shinohara, Koji Ito, Tetsuo Kawaguchi, Hiroyoshi Kawada, Tomio Kimura
  • Patent number: 11814518
    Abstract: A polyamide resin composition is provided which can be blow molded while concurrently satisfying blow moldability and uniform wall thickness of the molten resin, exhibits excellent thermal stability when the resin composition is accumulated as a melt and thereby gives molded articles with a good surface appearance, and is further excellent in impact resistance at room and low temperatures. The polyamide resin composition includes, based on 100 mass % of the polyamide resin composition, 40 to 84 mass % of a polyamide resin (A), not less than 15 mass % of an olefin-based ionomer (B), 0 to 10 mass % of an impact modifier (C), and 0.1 to 3 mass % of heat resistant agents (D). The polyamide resin (A) includes at least one selected from the group consisting of aliphatic copolyamides (A-1) and aromatic copolyamides (A-2). The heat resistant agents (D) include two or more kinds of organic hindered phenol heat resistant agents (D-1).
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: November 14, 2023
    Assignee: UBE CORPORATION
    Inventors: Tetsuya Yasui, Atsushi Yamashita
  • Patent number: 11728100
    Abstract: A polyolefin porous film is provided, the film comprising a polyethylene-based resin, wherein a weight average molecular weight of the polyethylene-based resin is 450,000 or less, and a content of a high molecular weight component having a molecular weight of 1,000,000 or more in the polyethylene-based resin is 2 to 11% by mass.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: August 15, 2023
    Assignee: UBE CORPORATION
    Inventors: Takanobu Mimura, Ryou Sakimoto
  • Patent number: 11692098
    Abstract: A polyamide resin composition having excellent low-temperature impact resistance and surface property, a polyamide resin composition for rotational molding and a rotational molded article using the same. The polyamide resin composition includes a component (A) in an amount of a parts by weight, which is an aliphatic polyamide having a relative viscosity ?r of less than 2.6 as measured according to JIS K6920 under the conditions of 96 wt % of sulfuric acid, 1 wt % of the polymer concentration, and 25° C.; a component (B) in an amount of b parts by weight, which is a modified polyolefin having a density of 0.895 g/cm3 or less as measured according to ASTM D1505; and a component (C) in an amount of c parts by weight, which is a non-modified polyolefin having an MFR value of 3.0 to 30 g/10 min as measured in a load of 2.16 kg at 190° C., and the polyamide resin composition satisfies the following equations: 50?c/(b+c)×100?70, and 10?(b+c)/(a+b+c)×100?40.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: July 4, 2023
    Assignee: UBE CORPORATION
    Inventors: Yuya Miki, Tetsuro Hiroki, Masayoshi Baba
  • Publication number: 20230203305
    Abstract: The present invention relates to a polyamide resin composition that is excellent in mechanical characteristics, bonding properties and calcium chloride resistance and is suitably bonded to an acid-modified polyolefin, wherein the polyamide resin composition includes 70 to 99 mass % of an aliphatic polyamide resin (A) having an amino group concentration of 46 to 110 ?mol/g, 0 to 18 mass % of an aromatic polyamide resin (B), 0.01 to 0.50 mass % of a polyalkylene glycol alkyl ether (C), 0.01 to 0.50 mass % of a polyolefin wax (D) and 0 to 22.98 mass % of a component (E) other than (A) to (D), and the total of (A) to (E) is 100 mass %, and wherein the acid-modified polyolefin having an amount of acid modification of 8 to 100 ?mol/g.
    Type: Application
    Filed: March 19, 2021
    Publication date: June 29, 2023
    Applicant: UBE Corporation
    Inventors: Tetsuya YASUI, Akane SAKAMOTO, Yuki SUEDOMI, Hitoshi KODAMA, Kosuke OISHI, Takashi KUMAGAI, Mikako FUJITA
  • Publication number: 20230183140
    Abstract: Provided is a crystalline silicon carbide fiber containing silicon carbide, boron nitride, and zirconium carbide and having a content of Si of 64% by weight or more and a content of C of 28% by weight or more, in which the average particle size of SiC crystal grains is 100 nm or more.
    Type: Application
    Filed: December 8, 2022
    Publication date: June 15, 2023
    Applicant: UBE CORPORATION
    Inventors: Mao SUMINO, Kouichirou SUYAMA, Hideki OZAWA, Aki INO, Tsutomu KODAMA, Hiroyuki YAMAOKA
  • Publication number: 20230143084
    Abstract: The present invention relates to a polyamide resin composition that is excellent in mechanical characteristics, bonding properties, calcium chloride resistance and fuel resistance and is suitably bonded to an acid-modified polyolefin, wherein the polyamide resin composition includes 40 to 93 mass % of an aliphatic polyamide resin (A) having an amino group concentration of 46 to 110 ?mol/g, 2 to 10 mass % of an aromatic polyamide resin (B), 5 to 50 mass % of reinforcing fibers (C), and 0 to 53 mass % of a component (D) other than (A) to (C), and the total amount of (A) to (D) is 100 mass %, and wherein the amount of acid modification of the acid-modified polyolefin is 5 to 100 ?mol/g.
    Type: Application
    Filed: March 19, 2021
    Publication date: May 11, 2023
    Applicant: UBE Corporation
    Inventors: Tetsuya YASUI, Akane SAKAMOTO, Yuki SUEDOMI, Hitoshi KODAMA, Kosuke OISHI, Takashi KUMAGAI, Mikako FUJITA
  • Publication number: 20230131836
    Abstract: This is to achieve low temperature toughness in a blow molded product, blow molding properties such as mold transferability, suppression of burning, suppression of surface unevenness, drawdown property and dimensional stability of the blow molded product, and blister resistance in combination. A polyamide resin composition of the present invention comprises 60 to 85% by mass of a polyamide resin (A), 20% by mass or more of an olefin-based ionomer (B) and 5 to 20% by mass of an impact resistant material (C) in 100% by mass of the polyamide resin composition, and contains 20% by mass or more of an aliphatic copolymerized polyamide (A-1) in 100% by mass of the polyamide resin (A).
    Type: Application
    Filed: October 28, 2020
    Publication date: April 27, 2023
    Applicant: UBE CORPORATION
    Inventors: Tetsuro HIROKI, Tetsuya YASUI
  • Publication number: 20230076659
    Abstract: The present invention provides a polyamide resin composition that can give a molded article having a low hydrogen gas permeability coefficient and exhibiting a favorable nominal tensile strain at break at a low temperature (?40° C.), and pertains to a polyamide resin composition including polyamide resins (A), an impact modifier (B) and an inorganic compound (C), wherein the polyamide resins (A) include an aliphatic homopolyamide resin (A-1) and an aliphatic copolyamide resin (A-2), and the content of the inorganic compound (C) with respect to 100 parts by weight of the impact modifier (B) is 1.60 to 3.00 parts by weight.
    Type: Application
    Filed: February 3, 2021
    Publication date: March 9, 2023
    Applicant: UBE Corporation
    Inventors: Toru ITO, Yasuharu FUKUI
  • Publication number: 20230067815
    Abstract: Provided are a gasification furnace operating method, a gasification furnace, a two-stage gasification apparatus, a gasification method for an organic raw material, and a two-stage gasification method for organic waste that make it possible to stably operate a gasification furnace over a long period of time. The present invention provides a gasification furnace operating method including, in a gasification furnace into which an organic raw material is introduced and that produces gas and slag, directly or indirectly introducing an alkali metal-containing compound into the gasification furnace to reduce the viscosity of the slag.
    Type: Application
    Filed: December 17, 2020
    Publication date: March 2, 2023
    Applicants: SHOWA DENKO K.K., UBE CORPORATION, EBARA ENVIRONMENTAL PLANT CO., LTD.
    Inventors: Tomoaki FUKUI, Junichi AKIYAMA
  • Patent number: 11532819
    Abstract: An electrode binder resin composition containing a polyamic acid, a water-soluble polymer other than the polyamic acid, and a solvent. The use of the electrode binder resin composition improves cyclic characteristics.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: December 20, 2022
    Assignee: UBE Corporation
    Inventors: Takeshige Nakayama, Tetsuo Sakai, Masanori Morishita