Patents Assigned to Toray Industries
  • Patent number: 10654721
    Abstract: A graphene material has a specific form that has a high dispersibility and can maintain a high electric conductivity and ion conductivity when used as material for electrode manufacturing. A graphene dispersion liquid is provided including graphene dispersed in an organic solvent and meeting both 0.5 ?m?S?15 ?m and 1.0?D/S?3.0 wherein D is the median diameter (?m) of the graphene measured by the laser diffraction/scattering type particle size distribution measurement method and S is the average size (?m) in the planar direction of the graphene calculated from the arithmetic mean of the longest diameter and shortest diameter of the graphene observed by a laser microscope.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: May 19, 2020
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Yoshihide Hirai, Eiichiro Tamaki, Manabu Kawasaki
  • Patent number: 10658639
    Abstract: A polyolefin microporous membrane has excellent strength, permeability and heat resistance, which is obtained by using UHMwPE and employing a sequential stretching system, and a production method of the microporous membrane. In producing a microporous membrane by using a primary material A having a molecular weight (Mw) of less than 1.0×106, a secondary material B having a molecular weight of 1.0×106 or more, and a plasticizer, when the endothermic quantity of a mixture of the primary material and the plasticizer and the endothermic quantity of a mixture of the secondary material and the plasticizer are denoted as Q1 and Q2, respectively, respective resins are designed such that the ratio of endothermic quantity Q2 to endothermic quantity Q1 (endothermic quantity Q2/endothermic quantity Q1) becomes 1 or more over a temperature range of 110 to 118° C.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: May 19, 2020
    Assignee: Toray Industries, Inc.
    Inventors: Naoki Toyota, Mayumi Yoshida
  • Patent number: 10658640
    Abstract: The present invention provides a microporous membrane having an excellent balance of temperature characteristics, shrinkage characteristics, permeability, and strength, and thereby realizes a separator for a non-aqueous electrolyte secondary battery and a non-aqueous electrolyte secondary battery, having excellent performance and excellent safety. A polyolefin microporous membrane having; a temperature difference not less than 7.2° C. between a shutdown shrinkage temperature and a maximum shrinkage temperature in a TD measured by TMA; a shrinkage rate difference less than 25% between a shutdown shrinkage rate and a maximum shrinkage rate in the TD; a pin puncture strength at a membrane thickness of 16 ?m being not less than 400 gf; and a ratio of pin puncture strength to air permeation resistance at a membrane thickness of 16 ?m being from 2.0 to 4.0 (gf/(sec/100 cc)).
    Type: Grant
    Filed: August 7, 2015
    Date of Patent: May 19, 2020
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Masami Sugata, Naoki Toyota
  • Publication number: 20200147561
    Abstract: The present invention pertains to a gas separation membrane comprising: a porous supporting layer; and a separation function layer disposed on the porous supporting layer and including a crosslinked aromatic polyamide obtained by polycondensation of a multifunctional aromatic amine and a multifunctional aromatic acid halide, wherein the crosslinked aromatic polyamide includes at least one of a fluorine atom bonded to an aromatic ring and a fluorine atom bonded to a nitrogen atom.
    Type: Application
    Filed: May 31, 2018
    Publication date: May 14, 2020
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Rina TAKAHASHI, Kazuki SATO, Masakazu KOIWA, Takao SASAKI
  • Publication number: 20200149216
    Abstract: The invention relates to an environmentally friendly production method for a sheet-like article that does not use an organic solvent in the production process and provides a sheet-like article that compares favorably in terms of a uniform feel with artificial leather products produced from an organic solvent based polyurethane and in particular has good surface quality and texture and also provides a production method therefor. The present invention aims to provide a sheet-like article comprising a fibrous base material formed of ultrafine fibers and/or ultrafine fiber bundles provided with, as a binder, a polymer elastomer having a hydrophilic group, any thickness-directional cross section of the sheet-like article containing regions occupied by the polymer elastomer, the regions including independent regions each with a cross-sectional area of 50 ?m2 or more, the total area of the independent regions accounting for 0.1% or more and 5.
    Type: Application
    Filed: January 14, 2020
    Publication date: May 14, 2020
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Hisashi Murahara, Shunichiro Nakai, Takahiro Tsuchimoto
  • Patent number: 10646850
    Abstract: An object of the present invention is to provide a material for blood purification having the capability to remove cytokines and activated leukocyte-activated platelet complexes. The present invention provides a material for blood purification, the material containing a water-insoluble material in which a ligand having an amide group(s) and an amino group(s) is bound to a substrate, wherein the content of the amide group(s) is 3.0 to 7.0 mmol per 1 g dry weight of the water-insoluble material; and wherein the content of the amino group(s) is 1.0 to 7.0 mmol per 1 g dry weight of the water-insoluble material.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: May 12, 2020
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Shungo Kanda, Hiroshi Takahashi, Naotoshi Tomita
  • Patent number: 10651477
    Abstract: A porous carbon electrode substrate hardly causes a short circuit when used in a fuel cell, and from which carbon fibers protruding from the substrate surface, carbon fibers that protrude from the substrate surface when the porous carbon electrode substrate is pressurized in a direction perpendicular to a surface thereof, and short carbon fibers that are insufficiently bonded at the substrate surface have been sufficiently removed. The porous carbon electrode substrate includes short carbon fibers and carbonized resin bonding the short carbon fibers, the porous carbon electrode substrate having an average short circuit current value measured at a first surface of 10 mA or less.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: May 12, 2020
    Assignee: Toray Industries, Inc.
    Inventors: Mikio Inoue, Takayuki Oda, Tamotsu Suzuki
  • Patent number: 10647978
    Abstract: A solution for extracting substantially pure RNA from a biological sample is disclosed. The solution for extracting RNA from a biological sample containing RNA and at least DNA comprises: (a) phenol in an amount of more than 50% by volume based on the total amount of the solution; (b) a polyol in an amount of 3 to 10% by volume based on the total amount of the solution; (c) a guanidinium salt at a concentration of 0.5 to 2.0 M based on the total amount of the solution; (d) a thiocyanate at a concentration of 0.1 to 0.5 M based on the total amount of the solution; and (e) a buffer for maintaining the pH of the solution at 4 to 6.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: May 12, 2020
    Assignee: Toray Industries, Inc.
    Inventors: Makiko Yoshimoto, Hideo Akiyama, Hitoshi Nobumasa
  • Publication number: 20200140956
    Abstract: This application provides a kit or a device for detection of ovarian tumor, comprising a nucleic acid(s) for detecting a miRNA(s) in a sample from a subject, and a method for detecting ovarian tumor, comprising measuring the miRNA(s) in vitro.
    Type: Application
    Filed: April 27, 2018
    Publication date: May 7, 2020
    Applicants: TORAY INDUSTRIES, INC., NATIONAL CANCER CENTER
    Inventors: Yuho KIDA, Satoko KOZONO, Hiroko SUDO, Satoshi KONDOU, Junpei KAWAUCHI, Hitoshi NOBUMASA, Takahiro OCHIYA, Tomoyasu KATO
  • Publication number: 20200141028
    Abstract: A method of producing a fiber is provided, the method including extruding, from a spinneret, a spinning dope solution containing a fiber-forming polymer dissolved in a solvent, once allowing the solution to run in air, and then guiding the solution into the liquid of a coagulation bath to allow coagulation, wherein a gas-phase portion formed in a vertically downward direction from an extrusion surface of the spinneret to the liquid surface of the coagulation bath has a unidirectional air flow, and has an air flow rate per unit time (Af) which satisfies, in relation to the amount of the solvent in the spinning dope solution per unit time (As) in the gas-phase-portion volume (Vh), the relational expression 0.0008 m3?Af/(As/Vh)?0.0015 m3.
    Type: Application
    Filed: March 2, 2018
    Publication date: May 7, 2020
    Applicant: Toray Industries, Inc.
    Inventors: Takuya NAGASAKA, Keiichi ISHIO, Fumiya YANO, Naoyuki FURUKAWA, Seiji NAGANO, Yuma MATSUBARA
  • Publication number: 20200138926
    Abstract: This application provides an immunity-inducing agent comprising, as an active ingredient, at least one polypeptide having immunity-inducing activity and selected from (a) polypeptides consisting of amino acid sequences represented by SEQ ID NO: 8, 4, 6, 10, 12, 2 and 14, and polypeptides consisting of 7 or more consecutive amino acids in the amino acid sequences, (b) polypeptides having a sequence identity of 85% or more with the amino acid sequences represented by SEQ ID NO: 8, 4, 6, 10, 12, 2 and 14, and polypeptides consisting of 7 or more consecutive amino acids in the amino acid sequences, and (c) polypeptides comprising the polypeptides according to (a) or (b) as the partial sequences, or a recombinant vector comprising a polynucleotide encoding the polypeptide and capable of expressing the polypeptide in vivo.
    Type: Application
    Filed: January 17, 2020
    Publication date: May 7, 2020
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Akira KURIHARA, Fumiyoshi OKANO
  • Publication number: 20200139307
    Abstract: Provided are: a semipermeable composite membrane having high fouling resistance against membrane; and a method for producing the semipermeable composite membrane. This semipermeable composite membrane comprises a substrate, a porous support layer disposed on the substrate, and a separation functional layer disposed on the porous support layer, wherein the separation functional layer contains: from the porous support layer side, a first layer containing a crosslinked aromatic polyamide which is a polymer of a polyfunctional aromatic amine and a polyfunctional aromatic acid chloride; and an aliphatic polyamide which is present on the first layer and which is a polymer of a polyfunctional aliphatic carboxylic acid and a polyfunctional aliphatic amine.
    Type: Application
    Filed: March 30, 2018
    Publication date: May 7, 2020
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Tomoya YOSHIZAKI, Tsuyoshi HAMADA, Jun OKABE, Takafumi OGAWA
  • Publication number: 20200140676
    Abstract: The present invention aims to provide an epoxy resin composition that is high in both fast curability and storage stability, a prepreg prepared by using the epoxy resin composition, and a fiber reinforced composite material prepared by curing the prepreg. The epoxy resin composition contains the following components [A], [B], [C], and [D] and meets the following requirements [a], [b], and [c]: [A]: epoxy resin, [B]: dicyandiamide, [C]: aromatic urea, [D]: borate ester, [a]: 0.014?(content of component [D]/content of component [C])?0.045, [b]: 0.9?(number of moles of active groups in component [A]/number of moles of active hydrogen in component [B])?1.2, and [c]: 14?(content of component [A]/content of component [C])?25.
    Type: Application
    Filed: July 18, 2018
    Publication date: May 7, 2020
    Applicant: Toray Industries, Inc.
    Inventors: Eiki Takahashi, Daisuke Konishi, Masayuki Miyoshi, Noriyuki Hirano
  • Publication number: 20200140958
    Abstract: This application provides a kit or a device for detection of lung cancer, comprising a nucleic acid(s) for detecting a miRNA(s) in a sample from a subject, and a method for detecting lung cancer, comprising measuring the miRNA(s) in vitro.
    Type: Application
    Filed: June 29, 2018
    Publication date: May 7, 2020
    Applicants: TORAY INDUSTRIES, INC., NATIONAL CANCER CENTER
    Inventors: Yuho KIDA, Satoko KOZONO, Hiroko SUDO, Satoshi KONDOU, Junpei KAWAUCHI, Takahiro OCHIYA, Shun-ichi WATANABE
  • Publication number: 20200139653
    Abstract: The present invention provides a method for producing a medical device, which includes a step of disposing a solution containing a hydrophilic polymer having a hydroxyl group and an amide group and a substrate on or in a support, and heating the solution and the substrate through the support, wherein a pH of the solution before starting the heating step is in a range of 2.0 or higher and 6.0 or lower, and a pH of the solution after completion of the heating step is in a range of 2.0 or higher and 6.0 or lower. The present invention provides a method for simply producing a medical device. More particularly, the present invention provides a method for simply producing a medical device whose surface is hydrophilized.
    Type: Application
    Filed: April 26, 2018
    Publication date: May 7, 2020
    Applicant: Toray Industries, Inc.
    Inventors: Rumiko Kitagawa, Masataka Nakamura
  • Patent number: 10640886
    Abstract: A fiber-containing crystal includes a crystal body which is a crystal of a biological substance and a plurality of fibers at least partially incorporated in the crystal body; and a fiber-containing crystal includes a crystal body which is an easy-disintegrating crystal and a plurality of fibers at least partially incorporated in the crystal body.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: May 5, 2020
    Assignee: Toray Industries, Inc.
    Inventors: Iori Nakabayashi, Hiroshi Tsuchikura, Atsushi Kuwabara, Hiroaki Adachi
  • Patent number: 10639595
    Abstract: A problem to be solved by the present invention is to provide a separation membrane having excellent separation performance, having high membrane strength and high permeation performance, and mainly including a cellulose-based resin. The present invention is concerned with a separation membrane including a cellulose ester, having, in the interior thereof, voids each having a specified structure, and having a tensile elasticity of 1,000 to 6,500 MPa.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: May 5, 2020
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Koichi Takada, Gohei Yamamura, Ryuichiro Hiranabe, Hiroki Tomioka
  • Patent number: 10640445
    Abstract: A method of producing lactic acid includes filtering a lactic acid-containing aqueous solution through a nanofiltration membrane to recover an aqueous lactic acid solution from the permeate side (Step A); distilling the aqueous lactic acid solution to recover lactic acid from the vapor side (Step B); and crystallizing the lactic acid obtain in Step B, and performing solid-liquid separation to recover a lactic acid crystal(s) (Step C).
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: May 5, 2020
    Assignee: Toray Industries, Inc.
    Inventors: Kenji Kawamura, Miyuki Horiguchi, Satoshi Sakami, Katsushige Yamada
  • Publication number: 20200131366
    Abstract: A problem addressed by the present invention is to provide a resin out of which a heat-resistant non-woven fabric having a fine fiber diameter can be made by an electrospinning method.
    Type: Application
    Filed: June 14, 2018
    Publication date: April 30, 2020
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Natsuko CHAYAMA, Tomoyuki YUBA
  • Publication number: 20200131314
    Abstract: An object of the present invention is to provide a resin composition containing: (a) a resin containing at least one of a polyimide, a polyamideimide, and a polybenzoxazole, having at least one acidic functional group among a phenolic hydroxyl group, a carboxyl group, and a sulfonic acid group in a side chain, and having an acidic functional group concentration of 3.4 mol/kg or more; and (b) a basic compound. The resin composition has high long-term stability in the form of an aqueous solution while having high strength and high modulus, has good dispersibility of a filler, and has a good binding property as a binder.
    Type: Application
    Filed: June 26, 2018
    Publication date: April 30, 2020
    Applicant: TORAY Industries, Inc.
    Inventors: Natsuko CHAYAMA, Tomoyuki YUBA