Patents Assigned to Asahi Kasei Kabushiki Kaisha
  • Publication number: 20220372698
    Abstract: Provided is an artificial leather that has texture (stiffness), a luxuriant feel (dispersibility of fiber bundles), and a slick feel (resin clusters of appropriate size) and can be used suitably as a seat cover material or interior design material for interiors, cars, airplanes, railway cars, etc. and garment accessory products.
    Type: Application
    Filed: October 27, 2020
    Publication date: November 24, 2022
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Daisuke Hironaka, Yoshiyuki Tadokoro, Keiichiro Sakata, Masaya Kawasaki, Aguru Yamamoto, Hisaki Ikebata
  • Publication number: 20220372197
    Abstract: The conjugated diene-based polymer has a Mooney viscosity measured at 100° C. of 40 or more and 170 or less, has Mooney stress relaxation measured at 100° C. of 0.35 or less, and has a branch number (Bn) measured by viscosity detector-equipped GPC-light scattering measurement of 8 or more.
    Type: Application
    Filed: August 26, 2020
    Publication date: November 24, 2022
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Shinichi Sekikawa, Kenta Hisamura, Shuri Tobo, Shogo Sumitani, Miki Kyo
  • Publication number: 20220372283
    Abstract: Provided are a polyamide/polyphenylene ether resin composition that has excellent fluidity, heat resistance, and surface impact strength while also having excellent repeated processability and a shaped product that includes this resin composition. The resin composition contains: (a) a polyamide; (b) a polyphenylene ether; (c) a compatibilizer for the (a) polyamide and the (b) polyphenylene ether; and (d) a polyhydric alcohol including at least two hydroxyl groups and having a number-average molecular weight (Mn) of less than 500. The content of the (d) polyhydric alcohol is 0.3 parts by mass to 5 parts by mass relative to 100 parts by mass, in total, of the (a) polyamide and the (b) polyphenylene ether. A ratio of terminal amino group concentration relative to terminal carboxyl group concentration (terminal amino group concentration/terminal carboxyl group concentration) in the (a) polyamide is 0.3 to 0.5. The (a) polyamide forms a continuous phase.
    Type: Application
    Filed: May 19, 2022
    Publication date: November 24, 2022
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Miki TOKUYAMA, Shinsuke MOCHIZUKI, Nozomi INAGAKI
  • Publication number: 20220372258
    Abstract: Provided is a polyethylene powder having a density of 910 kg/m3 or more and less than 935 kg/m3 and an average particle diameter of 50 ?m or more and less than 140 ?m, wherein the polyethylene powder contains a particle having a particle diameter of 60 ?m and a particle having a particle diameter of 100 ?m, the compressive strength at 10% displacement of the particle having a particle diameter of 60 ?m is 2.0 MPa or more and less than 5.0 MPa, and the compressive strength at 10% displacement of the particle having a particle diameter of 60 ?m is 0.5 times or more and less than 1.3 times the compressive strength at 10% displacement of the particle having a particle diameter of 100 ?m.
    Type: Application
    Filed: October 19, 2020
    Publication date: November 24, 2022
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventor: Kenya Tanaka
  • Patent number: 11504674
    Abstract: A polyolefin microporous film having a laminated structure provided with at least one layer A containing a polyolefin and at least one layer B containing a polyolefin. 0 mass % to less than 3 mass % of polypropylene is contained in layer A and 1 mass % to less than 30 mass % of polypropylene is contained in layer B. When the proportion of polypropylene contained in layer A is represented by PPA (mass %) and the proportion of polypropylene contained in layer B is represented by PPB (mass %), PPB>PPA. In the polyolefin microporous film, the heat shrinkage ratio in TD at 120° C. measured upon applying, in MD, a constant load determined on the basis of the relationship: load (gf)=0.01×piercing strength (gf) of polyolefin microporous film×length (mm) in TD of polyolefin microporous film, is 10 to 40% inclusive.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: November 22, 2022
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Manabu Sekiguchi, Akihisa Yamashita
  • Publication number: 20220363808
    Abstract: The present invention provides a polyisocyanate composition comprising at least one isocyanate compound selected from the group consisting of an aliphatic isocyanate and an alicyclic isocyanate as a skeleton, wherein an average value of a total number of isocyanate groups blocked with a blocking agent and not blocked with a blocking agent per polyisocyanate molecule is 2 or more, and among the isocyanate groups in the polyisocyanate composition, 1 mol % or more and 99 mol % or less are blocked with a blocking agent, and the like.
    Type: Application
    Filed: June 25, 2020
    Publication date: November 17, 2022
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Masakazu YAMAUCHI, Takahiro FUNATSU, Akira TAKEI
  • Patent number: 11500287
    Abstract: An ablation layer for a photosensitive resin for a relief printing plate, the ablation layer containing at least an acid-modified polymer and an infrared-absorbing agent and having a layer acid value as defined below of 2 mg KOH/g or more and 400 mg KOH/g or less, and a neutralized salt ratio as defined below of 0.9 or less, wherein the Layer acid value=(Acid value of the acid-modified polymer)×(Mass ratio of the acid-modified polymer to an entire ablation layer); and wherein the Neutralized salt ratio=(Number of moles of polymer wherein acid in the acid-modified polymer exists in neutralized salt state)/(Total number of moles of the acid-modified polymer).
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: November 15, 2022
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventor: Norikiyo Nakagawa
  • 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
  • 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
  • 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: 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
  • 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