Patents Assigned to Asahi Kasei Kabushiki Kaisha
  • Publication number: 20220356302
    Abstract: The present disclosure provides a polyphenylene ether composition having a high glass transition temperature and a long-term solubility in a solvent, and exhibiting a low viscosity when being dissolved in a solvent. The polyphenylene ether composition of the present disclosure contains 60 mol % or more of a polyphenylene ether having the structure of Formula (1), wherein the ratio of the integrated value of the peak appearing at 7.6 to 8.3 ppm to the integrated value of the peak derived from the structure of the following Formula (2) in a 1H-NMR measurement result is 1 or less, and the number average molecular weight in terms of polystyrene is 500 to 15,000 g/mol.
    Type: Application
    Filed: August 28, 2020
    Publication date: November 10, 2022
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Jaehoon KIM, Shinichi FUKUEN, Hiroshi FUKUOKA, Shoji OTANI, Ryoko FUKUOKA, Noko HONDA
  • Publication number: 20220357814
    Abstract: An object of the present invention is to provide a conductive film further improved in at least any of mechanical characteristics, electrical characteristics, and optical characteristics while enjoying improvement in transparency by the thinning of a fine metal wire, and a conductive film roll, an electronic paper, a touch panel, and a flat-panel display comprising the same.
    Type: Application
    Filed: May 16, 2022
    Publication date: November 10, 2022
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Takeshi KAMIJO, Kazuma KOMATSU, Akira IKEDA, Sora HIDA, Tetsuro SUGIMOTO
  • Publication number: 20220355252
    Abstract: A hollow fiber membrane module 10 has a hollow fiber membrane bundle 11 and a housing case 15. The housing case 15 has first molding members 17 and a second molding member 18. At each first molding member, a tubular portion 19 and a nozzle portion 20 are integrally molded. The second molding member 18 has a tubular shape coaxially continuous from the tubular portion 19. Values obtained by dividing, by the wall thickness of the second molding member, the wall thicknesses of the housing case 15 at positions separated in the axial direction from a connecting position toward the first molding member 17 side by distances of 3 times and 5 times the wall thickness of the second molding member 18 are 1.0 to 1.3 and 1.0 to 1.5, respectively.
    Type: Application
    Filed: December 17, 2020
    Publication date: November 10, 2022
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventor: Tohru TANIGUCHI
  • Publication number: 20220357815
    Abstract: An object of the present invention is to provide a conductive film further improved in at least any of mechanical characteristics, electrical characteristics, and optical characteristics while enjoying improvement in transparency by the thinning of a fine metal wire, and a conductive film roll, an electronic paper, a touch panel, and a flat-panel display comprising the same.
    Type: Application
    Filed: May 16, 2022
    Publication date: November 10, 2022
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Takeshi KAMIJO, Kazuma KOMATSU, Akira IKEDA, Sora HIDA, Tetsuro SUGIMOTO
  • Patent number: 11491445
    Abstract: This method, for regenerating a member used in a device that treats seawater, involves a cleaning step for removing deposits from the member. In the cleaning step, a first chemical solution containing an acid other than hydroxydicarboxylic acid and a second chemical solution containing hydrogen peroxide, a heavy metal compound and hydroxydicarboxylic acid are used.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: November 8, 2022
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Yutaka Gojo, Takahide Yoshida
  • Patent number: 11493844
    Abstract: The present invention provides a photosensitive resin composition for a flexographic printing plate, the photosensitive resin composition including at least a hydrophilic copolymer (A), a thermoplastic elastomer (B), a photo-polymerizable monomer (C), a photo-polymerization initiator (D), a plasticizer (E), and an acidic group-containing polymer (F), wherein the photosensitive resin composition for the flexographic printing plate has an acid value of 1 to 100 mgKOH/g, as measured by neutralization titration.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: November 8, 2022
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Hiroshi Ogawa, Hideo Saito, Tohru Kihara, Kenji Ota
  • Patent number: 11492577
    Abstract: Provided is a method for manufacturing a long-life brewed alcoholic beverage by a filtration process with the use of a porous membrane involving a washing step, whereby a high tolerance (chemical tolerance) to a washing solution (a chemical solution) and a good filtration performance are achieved. A method for ma manufacturing a second brewed alcoholic beverage which includes: a filtration step for passing a first brewed alcoholic beverage, which contains a yeast and a high-molecular substance or sediment component produced through fermentation by the yeast, through a porous membrane, which is formed of a resin having a three-dimensional network structure, to thereby separate the second brewed alcoholic beverage from the yeast; and a washing step for passing a washing solution through the porous membrane or immersing the porous membrane in the washing solution to thereby wash the inside of the porous membrane.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: November 8, 2022
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventor: Yukio Nakazawa
  • Patent number: 11489233
    Abstract: A purpose of the present disclosure is to provide nonaqueous electrolyte battery inorganic particles that enable provision of a nonaqueous electrolyte battery having excellent properties of safety and service life. Another purpose of the present disclosure is to provide an efficient and effective method for inspecting the metal absorption ability of nonaqueous electrolyte battery inorganic particles.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: November 1, 2022
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Nobuhiro Ito, Hiroyuki Saeki
  • Publication number: 20220340700
    Abstract: To provide microwell films for bioassay suitable for a “unimolecular enzyme assay” method and methods of manufacturing the films, a microwell film for bioassay is comprised of at least a substrate (11), and a resin layer (12) having microwells on its surface provided on one main surface of the substrate (11), where in the substrate (11) and the resin forming the resin layer (12), an absorption coefficient at each of wavelengths of 350 nm to 800 nm is 0.01 ?m?1 or less.
    Type: Application
    Filed: July 1, 2020
    Publication date: October 27, 2022
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Fujito YAMAGUCHI, Ryuichi ITO, Makoto OKADA
  • Publication number: 20220333841
    Abstract: Provided is a transport method that makes it possible to maintain a low-temperature state of a target object without using a refrigerant such as dry ice and to realize a high transport efficiency. The transport method includes: a precooling step of precooling a target object; an enclosing step of enclosing the precooled target object by an insulating material panel (front plate 10, rear plate 20, side plates 30, bottom plate 40, and top plate 50); and a transport step of transporting the target object enclosed by the insulating material panel.
    Type: Application
    Filed: September 30, 2020
    Publication date: October 20, 2022
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Kenji Kamiyama, Naohiro Idegami, Toshihiro Funakoshi, Mika Ueki
  • Publication number: 20220337035
    Abstract: A laser diode (1) includes an AlN single crystal substrate (11), an n-type cladding layer (12) formed on the substrate and including a nitride semiconductor layer having n-type conductivity, a light-emitting layer (14) formed on the n-type cladding layer and including one or more quantum wells, a p-type cladding layer (20) formed on the light-emitting layer and including a nitride semiconductor layer having p-type conductivity, and a p-type contact layer (18) formed on the p-type cladding layer and including a nitride semiconductor that includes GaN. The p-type cladding layer includes a p-type longitudinal conduction layer (16) that includes AlsGa1?sN (0.3?s?1), has a composition gradient such that the Al composition s decreases with increased distance from the substrate, and has a film thickness of less than 0.5 ?m, and a p-type transverse conduction layer (17) that includes AltGa1?tN (0<t?1).
    Type: Application
    Filed: September 25, 2020
    Publication date: October 20, 2022
    Applicants: ASAHI KASEI KABUSHIKI KAISHA, National University Corporation Tokai National Higher Education and Research System
    Inventors: Ziyi ZHANG, Maki KUSHIMOTO, Hiroshi AMANO
  • Publication number: 20220332912
    Abstract: Provided are a container that comprises a thermoplastic resin or a thermosetting resin as a constituent material and that is used for accommodating an electrical component with an accommodation ratio v of 60% or more as expressed by equation (A), an accommodation device that comprises this container and a cooling device contained in the container and/or a heating device contained in the container, and an electrical component-accommodating body that comprises this container or accommodation device and an electrical component contained in the container.
    Type: Application
    Filed: September 3, 2020
    Publication date: October 20, 2022
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventor: Tatsuaki KASAI
  • Publication number: 20220332883
    Abstract: A curable composition including: a component (a): a polycarbonate polyol having a hydroxyl value of 40 to 75 mgKOH/g; a component (b): a polycarbonate polyol having a hydroxyl value of 100 to 280 mgKOH/g; and a component (c): a polyisocyanate having an average number of functional groups per molecule, of 2 to 6.
    Type: Application
    Filed: September 4, 2020
    Publication date: October 20, 2022
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Tetsuo MASUBUCHI, Eriko HOSHINO
  • Patent number: 11472173
    Abstract: A web processing system which includes two rollers configured to rotate at the same phase while being in contact with a web which continuously exists along a movement passage and a suppressing mechanism for suppressing a tension variation of the web between the two rollers.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: October 18, 2022
    Assignees: SUMITOMO HEAVY INDUSTRIES, LTD., ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Kiyoto Miyoshi, Takatora Ando, Keita Suzuki, Shinya Matsubara, Taishi Hitomi, Makoto Ikeda
  • Patent number: 11471834
    Abstract: Provided is a filtration method that includes a cleaning step and involves the use of a porous membrane, wherein the filtration method offers exceptional resistance to cleaning solutions (chemicals) (chemical liquid resistance) and exceptional filtration performance, and has a long service life. A filtration method includes the following steps: a filtration step in which a liquid to be processed that contains a material to be filtered is passed through a porous membrane configured from a resin having a three-dimensional mesh structure, and a filtrate is separated from the material to be filtered; and a cleaning step in which the porous membrane has a cleaning solution passed therethrough or is immersed in the cleaning solution so that the interior of the porous membrane is cleaned.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: October 18, 2022
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventor: Daisuke Okamura
  • Publication number: 20220325453
    Abstract: Provided is a non-woven fabric which is suitable for cleaning wipers, diapers, food packaging materials, etc., and has excellent water absorption and handling performance. The non-woven fabric according to the present invention contains a thermoplastic biodegradable resin, and is characterized in that fibers constituting the non-woven fabric have crimps, the flexural rigidity index in the mechanical direction (MD) of the non-woven fabric is 7.77-37.4 as defined by the following equation: flexural rigidity index in the mechanical direction (MD)=flexural rigidity (gf·cm) in the mechanical direction (MD)/{basis weight(g/m2)}2.5×106, and the bulk density of the non-woven fabric is 0.098 g/cm3 to 0.251 g/cm3.
    Type: Application
    Filed: September 18, 2020
    Publication date: October 13, 2022
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Yuya Fujimoto, Rumina Obi, Takashi Komatsu, Eiji Shiota
  • Publication number: 20220325077
    Abstract: The present disclosure relates to a resin composition that exhibits satisfactory flow properties and mechanical properties, to a cellulose formulation that is used to produce the resin composition, and to resin pellets and a molded resin formed by the resin composition.
    Type: Application
    Filed: June 15, 2022
    Publication date: October 13, 2022
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Takaaki Miyoshi, Naoaki Yamasaki, Koichi Ueno, Takashi Sanda, Kazuya Nagata, Kazuaki Sanada
  • Patent number: 11464885
    Abstract: A fluid sterilization module includes an inner cylinder forming a processing flow path extending in a longitudinal direction, a first chamber communicating with the processing flow path via an opening on one end side of the inner cylinder, an inflow portion allowing an object to flow in the first chamber, an outflow portion allowing the object having passed through the processing flow path to flow out from an other end side of the inner cylinder, and a light emitting element facing an opening on the other end side of the processing flow path and irradiating the object passing through the processing flow path with ultraviolet light along the longitudinal direction. The first chamber has an inner volume equal to or more than ? of the cube of an equivalent inner diameter of the processing flow path and equal to or less than 3 times of inner volume of the processing flow path.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: October 11, 2022
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Atsushi Kodama, Sumire Jinno, Ryosuke Baba, Naoto Yabuki, Naoto Ito, Hiroyuki Kishi, Sho Sugiyama
  • Publication number: 20220320585
    Abstract: Provided is a high-capacity cell pack in which cell imbalance is eliminated, precipitation of a poorly soluble redox shuttle can be prevented, deterioration due to overcharging is suppressed, cell yield is improved, and charge/discharge cycling is stable. The cell pack according to the present invention is a cell pack comprising non-aqueous secondary cells each comprising a non-aqueous electrolyte solution containing an electrolyte salt and a non-aqueous solvent, a positive electrode, and a negative electrode, wherein the cell pack is configured with a module in which two or more of the non-aqueous secondary cells are connected in series or with two or more of the modules in parallel, or the cell pack is configured with a module in which two or more of the non-aqueous secondary cells are connected in parallel or with two or more of the modules in series; each of the non-aqueous secondary cells constituting the module has a ratio of maximum capacity (B) to minimum capacity (A) of 1.00<B/A<2.
    Type: Application
    Filed: May 28, 2021
    Publication date: October 6, 2022
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventor: Naoki Matsuoka
  • Publication number: 20220315714
    Abstract: Provided is a resin molded body production method that enables production of a resin molded body in which mechanical strength is good, anisotropy of physical properties is low, and little warpage is developed. This production method is for a resin molded body containing a thermoplastic resin (A) and a cellulose nanofiber (B), the production method including: a step for preparing a main supply material (a1) containing the thermoplastic resin (A) and the cellulose nanofiber (B) and an auxiliary supply material (a2) that is a product of melting treatment of the main supply material (a1); a resin composition formation step for obtaining a resin composition (b) by melting and mixing of the main supply material (a1) and the auxiliary supply material (a2); and a step for obtaining the resin molded body by molding the resin composition (b).
    Type: Application
    Filed: May 27, 2020
    Publication date: October 6, 2022
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventor: Ryoko Aratani