Patents Assigned to Asahi Kasei Kabushiki Kaisha
  • Publication number: 20200216387
    Abstract: An isocyanate production method is characterized by having: a carbamation step in which a carbonic acid ester, an inorganic acid salt of an amino acid derivative, and a basic compound are reacted to obtain a reaction mixture containing a carbamic acid ester derived from the carbonic acid ester, a hydroxy compound derived from the carbonic acid ester, and the carbonic acid ester; and a thermal decomposition step in which the carbamic acid ester is subjected to a thermal decomposition reaction to obtain an isocyanate.
    Type: Application
    Filed: May 15, 2018
    Publication date: July 9, 2020
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Nobuhisa MIYAKE, Yuji KOSUGI, Yusuke SAKURAI, Masaaki SHINOHATA
  • Publication number: 20200215814
    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: Application
    Filed: March 18, 2020
    Publication date: July 9, 2020
    Applicants: SUMITOMO HEAVY INDUSTRIES, LTD., ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Kiyoto MIYOSHI, Takatora ANDO, Keita SUZUKI, Shinya MATSUBARA, Taishi HITOMI, Makoto IKEDA
  • Publication number: 20200215492
    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: Application
    Filed: September 4, 2018
    Publication date: July 9, 2020
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventor: Daisuke OKAMURA
  • Publication number: 20200219665
    Abstract: A nonaqueous lithium-type power storage element comprising a positive electrode, a negative electrode, a separator, and a nonaqueous electrolytic solution containing lithium ions. The negative electrode has: a negative electrode collector; and a negative electrode active material layer containing a negative electrode active material, said negative electrode active material layer being provided on one surface or both surfaces of the negative electrode collector. The negative electrode active material contains a carbonaceous material capable of storing or releasing lithium ions. Furthermore, the positive electrode has: a positive electrode collector; and a positive electrode active material layer containing a cathode active material, said positive electrode active material layer being provided on one surface or both surfaces of the positive electrode collector. The positive electrode active material contains activated carbon.
    Type: Application
    Filed: March 16, 2020
    Publication date: July 9, 2020
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Yuima Kimura, Kazuteru Umetsu, Hitoshi Morita, Nobuhiro Okada, Yuichiro Hirakawa, Yusuke Yamahata
  • Patent number: 10703892
    Abstract: The resin composition according to the present invention contains a polypropylene resin (a), a hydrogenated block copolymer (b), and a hydrogenated block copolymer (c), wherein: a mass ratio of a content of the hydrogenated block copolymer (b) to a content of the hydrogenated block copolymer (c), (b)/(c), is 90/10 to 10/90; a mass ratio of a content of the polypropylene resin (a) to a total content of the hydrogenated block copolymer (b) and the hydrogenated block copolymer (c), (a)/((b)+(c)), is 10/90 to 90/10; and specific polymer blocks (C), (B1), and (B2) differing in amount of vinyl bond before hydrogenation are contained at a specific ratio.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: July 7, 2020
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Yasuhiro Kusanose, Hiroyuki Ichino, Masashi Yamamoto
  • Patent number: 10703070
    Abstract: A resin composite film comprising a cellulose microfiber sheet and a resin, the resin composite film satisfying the following: (1) in a modulus mapping obtained by an examination of a cross-section with an AFM along the thickness direction, the fibers constituting the cellulose microfiber sheet have an average fiber diameter and a maximum fiber diameter, both calculated through image analysis, of 0.01-2.0 ?m and 15 ?m or smaller, respectively; and (2) at least one surface of the resin composite film has an overcoat resin layer having an average thickness, determined from the modulus mapping, of 0.3-100 ?m.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: July 7, 2020
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Yamato Saito, Masayuki Nakatani, Hiroko Kawaji, Yoko Fujimoto, Hirofumi Ono, Kazufumi Kawahara
  • Patent number: 10703848
    Abstract: The present invention provides a hydrogenated block copolymer containing, in the molecule thereof, a polymer block (C) having a conjugated diene compound as a main component, a polymer block (B) having a conjugated diene compound as a main component, and a polymer block (S) having a vinyl aromatic compound as a main component.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: July 7, 2020
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Yasuhiro Kusanose, Hiroyuki Ichino, Masashi Yamamoto, Masahiro Fujiwara, Toshikazu Hoshina
  • Publication number: 20200206693
    Abstract: Provided is a method including the steps of producing a melt-kneaded product and discharging the melt-kneaded product. In the step of producing a melt-kneaded product, a thermoplastic resin, a non-solvent and an inorganic compound are mixed and melt-kneaded, wherein the non-solvent does not uniformly dissolve the thermoplastic resin of one-quarter mass at a boiling point or 250° C., whichever is lower.
    Type: Application
    Filed: August 31, 2018
    Publication date: July 2, 2020
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventor: Daisuke OKAMURA
  • Publication number: 20200207975
    Abstract: Provided is a resin composition that is excellent in balance between tenacity and rigidity, suppresses variation in physical properties, and is further excellent in moldability. The disclosure provides a resin composition at least comprising 100 parts by mass of polyacetal resin (A), 0.01 to 1 part by mass of fatty acid metal salt (B), and 0.1 to 3 parts by mass of zinc oxide (C), wherein a total content of the polyacetal resin (A), the fatty acid metal salt (B), and the zinc oxide (C) is 98.0% by mass or more.
    Type: Application
    Filed: December 20, 2019
    Publication date: July 2, 2020
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Shunichiro I, Yasukazu Shikano
  • Patent number: 10696843
    Abstract: Provided is a polyphenylene ether flame-retardant resin composition having excellent flame retardance and long-term flame retardance. The flame-retardant resin composition contains: (A) a resin including (A-1) a polyphenylene ether; and (B) a flame retardant. The (A-1) component has a content of 50 mass % or more when the flame-retardant resin composition minus ash content, corresponding to a residue obtained upon burning of the flame-retardant resin composition, is taken to be 100 mass %. A shaped article of 12.6 cm in length, 1.3 cm in width, and 1.6 mm in thickness formed from the flame-retardant resin composition exhibits a rate of change of chloroform-insoluble content of 15 mass % or less through aging in which the shaped article is left for 1,000 hours at 150° C. in an atmospheric air.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: June 30, 2020
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Chihiro Maeda, Mihoko Yamamoto, Akira Mitsui
  • Patent number: 10697029
    Abstract: A method ensuring excellent chemical resistance to a chemical cleaning solution, excellent filtration performance and an enhanced life in a saccharified solution production method including a cleaning step and filtration using a porous filtration membrane.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: June 30, 2020
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventor: Yukio Nakazawa
  • Patent number: 10700325
    Abstract: A nonwoven fabric separator for a lead storage battery includes a nonwoven fabric configured with regenerated fibers or synthetic fibers. The nonwoven fabric is composed of a recycled fiber or synthetic fiber having a relationship between the average pore diameter (D) of the nonwoven fabric separator and the number of pores (N) that satisfies the following equation: 1.0×102<D*N<1.0×104. The nonwoven fabric separator includes at least two layers which are integrated.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: June 30, 2020
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Junichi Kusakabe, Seiichi Amano, Kazufumi Kato
  • Patent number: 10698484
    Abstract: An object of the present invention is to provide an input device, a biosensor, a program, a computer-readable medium, and a mode setting method that enable errors in determining whether or not to set a mode of a control target device to be controlled to be reduced. An input device includes: a sensor signal acquisition unit configured to acquire a sensor signal; a waveform comparison unit configured to compare waveforms during two or more periods of the sensor signal; and a mode setting unit configured to, on the basis of a result of comparison by the waveform comparison unit, set a mode of a control target device to be controlled.
    Type: Grant
    Filed: December 6, 2016
    Date of Patent: June 30, 2020
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventor: Akihiro Okamoto
  • Publication number: 20200203746
    Abstract: A polymer electrolyte membrane according to the present invention has a cluster diameter of 2.96 to 4.00 nm and a converted puncture strength of 300 gf/50 ?m or more. The polymer electrolyte membrane according to the present invention has a low electric resistance and an excellent mechanical strength.
    Type: Application
    Filed: September 7, 2017
    Publication date: June 25, 2020
    Applicants: ASAHI KASEI KABUSHIKI KAISHA, ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Yuichi INOUE, Takumi ISHII
  • Publication number: 20200199258
    Abstract: A modified conjugated diene-based polymer according to the present invention has a weight average molecular weight of 20×104 or more and 300×104 or less, has a molecular weight distribution Mw/Mn of 1.6 or more and 4.0 or less, has a modification ratio of 30% by mass or more and 80% by mass or less with respect to a total amount of the conjugated diene-based polymer, and includes 5% by mass or more and 50% by mass or less of a component having a molecular weight of 1,000,000 or more and 5,000,000 or less in GPC (gel permeation chromatography), wherein a modification ratio of the component having a molecular weight of 1,000,000 or more and 5,000,000 or less is 90% by mass or more and 100% by mass or less.
    Type: Application
    Filed: April 26, 2018
    Publication date: June 25, 2020
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Koichi Hasebe, Ryo Suzuki, Hiromi Nakafutami
  • Publication number: 20200199282
    Abstract: A modified block copolymer according to the present invention is a modified block copolymer comprising a polymer block comprising a vinyl aromatic compound as a main constituent (A), a polymer block comprising a conjugate diene compound as a main constituent (B), and an atomic group having NHx (x=0 to 2) (C). In the modified block copolymer, the polymer block comprising a conjugate diene compound as a main constituent (B) is a hydrogenated product, the atomic group having NHx (x=0 to 2) (C) is contained in a side chain, and a compound forming the atomic group having NHx (x=0 to 2) (C).
    Type: Application
    Filed: May 8, 2018
    Publication date: June 25, 2020
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Takashi Sukegawa, Masashi Yamamoto, Yasuhiro Kusanose
  • Publication number: 20200199315
    Abstract: [Problem to be solved] Provided are a fluorine-containing polymer achieving both low resistivity and high thermal stability, which have been conventionally conflicting, a cation exchange membrane including the fluorine-containing polymer, and an electrolyzer including the cation exchange membrane. [Solution] A cation exchange membrane including: a fluorine-containing polymer including: a tetrafluoroethylene unit (A); and a perfluoroethylene unit (B) having a carboxylic acid-type ion exchange group, wherein the fluorine-containing polymer has a main-chain terminal structure (T) represented by the following formula (1): —(CmFnH2m?n)—OH ??(1) wherein m and n each represent any integer satisfying m?2, n?0, and 2m?n?1.
    Type: Application
    Filed: December 19, 2019
    Publication date: June 25, 2020
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventor: Shinichi KAIHARA
  • Patent number: 10693189
    Abstract: The purpose of the present invention is to provide a nonaqueous electrolyte that contains acetonitrile having excellent balance between viscosity and the dielectric constant and a fluorine-containing inorganic lithium salt, wherein the generation of complex cations comprising a transition metal and acetonitrile is suppressed, excellent load characteristics are exhibited, and self-discharge during high-temperature storage is suppressed; a further purpose of the present invention is to provide a nonaqueous secondary battery. The present invention relates to a nonaqueous electrolyte which contains: a nonaqueous solvent comprising 30 to 100 vol % of acetonitrile; a fluorine-containing inorganic lithium salt; and a specific nitrogenous cyclic compound typified by pyridine.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: June 23, 2020
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Naoki Matsuoka, Akira Yoshino, Yutaka Natsume, Mitsuhiro Kishimi, Hirokazu Kamine
  • Publication number: 20200190702
    Abstract: Provided is a polyurethane elastic fiber wherein surface treating agents do not bleed even after lengthy storage, thereby preventing contamination of packing material, and which exhibits stable friction performance independent of storage duration, making the fiber suitable for a stable gathered member with low occurrence of core slip-back. This polyurethane elastic fiber is a multifilament polyurethane elastic fiber and is characterized by having, in the multifilament cross section, a void part demarcated by the constituent individual filaments being in contact with one another and by having a cross-sectional void part area ratio of 15% to 60% as calculated according to the formula (cross-sectional void part area ratio [%])=100×(area of the void part)/(total cross-sectional area), where the total cross-sectional area is the sum of the area of the void part and the cross-sectional areas of all individual filaments that constitute the multifilament.
    Type: Application
    Filed: October 15, 2018
    Publication date: June 18, 2020
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Hitoshi Sato, Taro Yamamoto
  • Publication number: 20200194775
    Abstract: Provided is a positive electrode precursor having a positive electrode active material layer, wherein the mass proportion A1 of a carbon material in the positive electrode active material layer accounts for 15-65 mass %, the mass proportion A2 of a lithium transition metal oxide in the positive electrode active material layer accounts for 5-35 mass %, the mass proportion A3 of an alkali metal compound in the positive electrode active material layer accounts for 10-50 mass %, A2/A1 is 0.10-2.00, A1/A3 is 0.50-3.00, and the positive electrode active material layer has a peel strength of 0.02-3.00 N/cm.
    Type: Application
    Filed: November 13, 2018
    Publication date: June 18, 2020
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Kazuteru Umetsu, Keita Kusuzaka, Yuichiro Hirakawa, Nobuhiro Okada