Patents Assigned to Toray Industries
  • Patent number: 11951695
    Abstract: Provided are methods for producing a fiber-reinforced plastic having high mechanical properties and high productivity during molding of a complicated shape. In one aspect, the method produces a fiber-reinforced plastic using a tape substrate A and a sheet substrate B, the tape substrate A being a tape-shaped substrate including one or more sheets of incised prepreg a; the incised prepreg a being a prepreg including unidirectionally oriented reinforcing fibers and a resin and having a plurality of incisions dividing the reinforcing fibers formed in the prepreg, and satisfying the following condition 1; the sheet substrate B being a substrate including randomly oriented reinforcing fibers and a resin.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: April 9, 2024
    Assignee: Toray Industries, Inc.
    Inventors: Yuzo Fujita, Kentaro Adachi, Takuya Karaki
  • Publication number: 20240101755
    Abstract: This invention relates to a flame retardant epoxy resin composition which includes an epoxy resin structure having an epoxy functionality of 2 or more with a measured total heat release value of not more than 23 kJ/g as well as an organic phosphinic acid structure (in reacted or unreacted form), as well as a prepreg, and a fiber reinforced composite material prepared using the epoxy resin composition. More specifically, an epoxy resin composition is provided that contains a combination of particular types of epoxy resins and curatives that provide sufficient flame retardance when cured at 163° C. for 15 minutes. The epoxy resin systems are also suitable for preparing a fiber-reinforced composite material that will also provide sufficient flame retardance for a variety of applications.
    Type: Application
    Filed: October 14, 2020
    Publication date: March 28, 2024
    Applicant: Toray Industries, Inc.
    Inventors: Katrina P. Vizzini, Benjamin Lehman, Jonathan Hughes, Alfred P. Haro, Toshiya Kamae
  • Publication number: 20240100487
    Abstract: A composite semipermeable membrane, including: a microporous support layer; and a separation functional layer provided on the microporous support layer, in which the separation functional layer includes a crosslinked wholly aromatic polyamide which is a polycondensation product of a polyfunctional aromatic amine and a polyfunctional aromatic acid chloride and contains amino groups and carboxyl groups, and in positive secondary ions measured on a surface of the separation functional layer by time-of-flight secondary ion mass spectrometry, when (count number of m/z=104.03)/(count number of m/z=108.06) is denoted by a, and a molar ratio (carboxyl group/amino group) of the carboxyl group to the amino group, which is obtained by analyzing the entire separation functional layer by 13C solid state NMR, is denoted by b, the following formulae (1) and (2) are satisfied: a?5.0 (1); and a/b?4.3 (2).
    Type: Application
    Filed: December 24, 2021
    Publication date: March 28, 2024
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Harutoki SHIMURA, Takaaki YASUDA, Shinya MITSUI
  • Publication number: 20240101772
    Abstract: The present invention addresses the problem of providing a laminated polyester film that has high reusability and is suitable for processing during a post process. This laminated polyester film comprises a polyester film and a layer X that satisfies the following conditions. Condition 1: 20??XP?45 Condition 2: 3.0??XH?10?XP (mN/m): Polar component of the surface free energy of the layer X ?XH (mN/m): Hydrogen bond component of the surface free energy of the layer X.
    Type: Application
    Filed: January 24, 2022
    Publication date: March 28, 2024
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Kensuke YAHIRO, Tadamasa SUZUKI, Sho TSUBOKURA, Takuji HIGASHIOJI
  • Publication number: 20240102108
    Abstract: Disclosed is a kit or a device for the detection of stomach cancer and a method for detecting stomach cancer, and provides a kit or a device for the detection of stomach cancer, including a nucleic acid(s) capable of specifically binding to a miRNA(s) in a sample from a subject, and a method for detecting stomach cancer, including measuring the miRNA(s) in vitro.
    Type: Application
    Filed: November 15, 2023
    Publication date: March 28, 2024
    Applicants: TORAY INDUSTRIES, INC., NATIONAL CANCER CENTER
    Inventors: Satoko KOZONO, Hitoshi NOBUMASA, Satoshi KONDOU, Hiroko SUDO, Junpei KAWAUCHI, Atsushi OCHIAI, Motohiro KOJIMA
  • Publication number: 20240105956
    Abstract: A graphene dispersion liquid containing graphene and a solvent, wherein the graphene has an average thickness of 0.3 nm or more and 10 nm or less, wherein the solvent has a solubility parameter ? of 18 MPa0.5 or more and 28 MPa0.5 or less, and wherein the graphene dispersion liquid has a viscosity of 10,000 mPa·s or less at a graphene concentration adjusted to 3 weight %, at a shear rate of 10 sec?1, and at a temperature of 25° C. Provided are: a graphene dispersion liquid that has excellent fluidity and dispersibility, and affords a coating film having excellent coating film uniformity; and a positive electrode paste that makes it possible to enhance the coating film uniformity and the battery life by virtue of the graphene dispersion liquid.
    Type: Application
    Filed: November 6, 2020
    Publication date: March 28, 2024
    Applicant: Toray Industries, Inc.
    Inventors: Tomohiro Kato, Takashi Takeuchi, Fumiya Katase, Eiichiro Tamaki
  • Patent number: 11938655
    Abstract: The invention aims to provide a tape-shaped prepreg including unidirectionally oriented reinforcing fibers and a thermoplastic resin composition and being high in handleability during molding and high in adhesiveness to other members. The tape-shaped prepreg includes unidirectionally oriented reinforcing fibers and a thermoplastic resin composition and has an arithmetic average roughness (Ra) of 0.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: March 26, 2024
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Eita Konno, Taito Ueda, Mayuka Yamada
  • Patent number: 11937598
    Abstract: A cerium oxide nanoparticle whose surface is covered with a vinyl polymer has a heterocyclic amine skeleton such as piperazine, pyridine, imidazole, or carbazole or with a polyamide having a heterocyclic amine skeleton such as piperazine, pyridine, imidazole, or carbazole; and a decomposition method of a nucleic acid or a polypeptide by using the cerium oxide nanoparticle.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: March 26, 2024
    Assignee: Toray Industries, Inc.
    Inventors: Shota Sekiguchi, Kazuhiro Matsuda, Takahiro Motoshiromizu, Masateru Ito
  • Patent number: 11939466
    Abstract: Provided is a thermoplastic polyester resin composition comprising 100 parts by weight of (A) a non-liquid crystal thermoplastic polyester resin, 45 to 150 parts by weight of (B) a thermoplastic resin that is different from the non-liquid crystal thermoplastic polyester resin and has a dielectric loss tangent of not more than 0.005 when measured at a frequency of 5.8 GHz by the cavity resonance perturbation method, 2 to 20 parts by weight of (C) a compatibilizer having at least one reactive functional group selected from epoxy, acid anhydride, oxazoline, isocyanate, and carbodiimide groups, and 0.2 to 5 parts by weight of (D) at least one compound selected from tertiary amines, amidine compounds, organic phosphines and salts thereof, imidazoles, and boron compounds, wherein the ratio of the sum of the thermoplastic resin (B) and the compatibilizer (C) is in the range of 50 to 150 parts by weight and the weight ratio (B)/(C) of the thermoplastic resin (B) to the compatibilizer (C) is in the range of 8 to 50.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: March 26, 2024
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Kohei Miyamoto, Yusuke Tojo, Makito Yokoe, Kosuke Shirotani, Yasuo Maeda
  • Patent number: 11939465
    Abstract: A prepreg having high processability and laminating performance and a method to produce such a prepreg is described, the prepreg comprising at least the components [A] to [E] shown below, and having a structure incorporating a first layer composed mainly of the component [A] and a first epoxy resin composition that contains the components [B] to [D] but which is substantially free of the component [E], and a second layer composed mainly of a second epoxy resin composition that contains the components [B] to [E], [A] carbon fiber, [B] epoxy resin, [C] curing agent, [D] thermoplastic resin, and [E] particles containing a thermoplastic resin as primary component and having a volume-average particle diameter of 5 to 50 ?m.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: March 26, 2024
    Assignee: Toray Industries, Inc.
    Inventors: Hiroshi Kobayashi, Taiki Maeyama, Daisuke Kido, Takashi Ikushima, Naofumi Hosokawa, Hirokazu Ohnishi
  • Patent number: 11940729
    Abstract: The present invention provides a photosensitive composition which can suppress the generation of a development residue on the surface of an electrode and the corrosion of the electrode to form a black pixel division layer, and also can suppress the generation of off-pixel in an organic EL display device comprising the pixel division layer. Disclosed is a photosensitive composition comprising (a) a pigment, (b) a resin having two or more tertiary amino groups in the molecule, and (c) a photosensitive agent, wherein the component (b) contains a resin having a structure represented by the general formula (1).
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: March 26, 2024
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Akihiro Ishikawa, Takashi Honma, Yoko Momiyama
  • Publication number: 20240093003
    Abstract: This invention relates to a flame retardant fiber-reinforced composite material based on an epoxy resin composition which includes at least one epoxy resin having an epoxy functionality of at least 2 as well as at least one organic phosphinic acid or derivative thereof (e.g., an organic phosphinic acid-modified epoxy resin), reinforced with a fiber having a thermal conductivity?3 W/m·K at room temperature, as well as a prepreg for making such a flame retardant fiber-reinforced composite material. More specifically, a composite material is provided that contains a combination of particular types of epoxy resins, curatives, and reinforcing fibers that provide sufficient flame retardance for thin-ply laminates when cured at 163° C. for 15 minutes. These cured composites are also suitable for a variety of applications requiring flame retardancy.
    Type: Application
    Filed: October 14, 2020
    Publication date: March 21, 2024
    Applicant: Toray Industries, Inc.
    Inventors: Katrina P. Vizzini, Benjamin Lehman, Jonathan Hughes, Alfred P. Haro, Toshiya Kamae
  • Publication number: 20240092070
    Abstract: An object of the present invention is to provide a molding film having excellent moldability during molding processing, in which the molding film includes a resin layer (X layer) on at least one surface of a polyester film, and the polyester film has a composition in which a layer (A layer) containing a thermoplastic resin A as a main component and a layer (B layer) containing a thermoplastic resin B different from the thermoplastic resin A as a main component are alternately laminated in a thickness direction in a total of 51 or more layers.
    Type: Application
    Filed: February 22, 2022
    Publication date: March 21, 2024
    Applicant: Toray Industries, Inc.
    Inventors: Yuji Kawata, Ryuichi Wakahara, Kenta Morishita
  • Publication number: 20240093311
    Abstract: It is intended to provide a kit or a device for the detection of breast cancer and a method for detecting breast cancer. The present invention provides a kit or a device for the detection of breast cancer, comprising nucleic acid(s) capable of specifically binding to a miRNA in a sample of a subject, and a method for detecting breast cancer, comprising measuring the miRNA in vitro.
    Type: Application
    Filed: November 20, 2023
    Publication date: March 21, 2024
    Applicants: TORAY INDUSTRIES, INC., NATIONAL CANCER CENTER
    Inventors: Satoshi KONDOU, Hitoshi NOBUMASA, Satoko KOZONO, Hiroko SUDO, Junpei KAWAUCHI, Takahiro OCHIYA, Nobuyoshi KOSAKA, Makiko ONO, Kenji TAMURA
  • Patent number: 11932987
    Abstract: A synthetic leather has excellent flame retardance and an article covered with the synthetic. The synthetic leather includes a fiber base material layer formed of a non-woven fabric sheet, wherein the non-woven fabric sheet includes at least one flameproof layer formed of a web including a non-melting fiber A having a high-temperature shrinkage rate of 3% or less and a thermal conductivity, conforming to ISO22007-3 (2008), of 0.060 W/m·K or less and is formed by bonding the flameproof layer to a scrim layer including a carbonized heat-resistant fiber B having an LOI value, conforming to JIS K 7201-2 (2007), of 25 or more, and a resin layer is laminated on a surface of the scrim layer, and a covered article covered with the synthetic leather.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: March 19, 2024
    Assignee: Toray Industries, Inc.
    Inventor: Masaru Harada
  • Patent number: 11932971
    Abstract: A method of producing a precursor fiber for carbon fiber includes extruding a polyacrylonitrile copolymer solution from a spinneret into the air, immersing it in a coagulation bath liquid stored in a coagulation bath, redirecting traveling of the coagulating fiber bundle by a first guide immersed in the coagulation bath disposed below the spinneret, and pulling it out of the coagulation bath liquid into the air to prepare a coagulated fiber bundle, which is then subjected to at least a washing step in water, stretching step, oil agent applying step, and drying step, wherein the depth-directional coagulation bath immersion length, which means a distance between the starting point of the immersion of the spinning dope solution in the coagulation bath liquid and the first guide immersed in the coagulation bath where traveling of the coagulating fiber bundle is redirected, is 3 to 40 cm.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: March 19, 2024
    Assignee: Toray Industries, Inc.
    Inventors: Ayanobu Horinouchi, Fumitaka Watanabe, Yuuki Okishima
  • Publication number: 20240084153
    Abstract: An object of the present invention is to provide an active energy ray-curable lithographic printing ink set that is excellent in superimposition of inks, and a method for producing a printed material using the same. The present invention is an active energy ray-curable printing ink set including at least one ink of black or chromatic color including at least any one of a black pigment, a cyan pigment, a magenta pigment, and a yellow pigment, and a white ink including a white pigment, wherein at least one of the ink of black or chromatic color is the black/chromatic ink (1) having a tack value of 5.0 or more and 12.0 or less at 400 rpm measured with an inkometer at 38° C., and the white ink has a tack value of 1.0 or more and 5.0 or less at 400 rpm measured with an inkometer at 38° C.
    Type: Application
    Filed: January 25, 2022
    Publication date: March 14, 2024
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Akito ITO, Noboru KOSHIMIZU, Takejiro INOUE
  • Patent number: 11926088
    Abstract: An object of the present invention is to provide a fiber-reinforced composite material achieving both lightweight properties and mechanical properties, a laminate thereof, and a prepreg capable of easily molding a sandwich structure thereof. The present invention is a prepreg comprising a reinforced fiber substrate (B) impregnated with a resin (A), wherein the reinforced fiber substrate (B) exists in a folded state having a plurality of folds with a fold angle of 0° or more and less than 90° in the prepreg.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: March 12, 2024
    Assignee: Toray Industries, Inc.
    Inventors: Naokichi Imai, Kotaro Shinohara, Masato Honma
  • Patent number: 11926111
    Abstract: Provided is a method for manufacturing a fiber-reinforced plastic composite containing a fiber-reinforced plastic part having a plate-like portion and a rib protruding from one surface of the plate-like portion, and a metal part, having an average thickness of 0.5-3.0 mm, laminated on part of or all of the plate-like portion of the fiber-reinforced plastic part, comprising: a lamination step for stacking a plurality of incised prepreg layers as a plurality of sheets of base material to form a base laminate, each prepreg layer containing unidirectionally oriented fibers and resin, and a plurality of incisions crossing the fibers, a base material heating step for heating the base laminate, and a molding step for integrating the base laminate and the metal part by pressing them between a rib molding member having a recessed portion for forming a rib and a skin molding member free of such a recessed portion in a pressing device.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: March 12, 2024
    Assignee: Toray Industries, Inc.
    Inventors: Yuzo Fujita, Takuya Karaki, Kentaro Adachi
  • Patent number: 11929511
    Abstract: A method of manufacturing a membrane-catalyst assembly including an electrolyte membrane and a catalyst layer bonded to the electrolyte membrane, the method including: a liquid application step of applying, in the atmosphere, a liquid to only a surface of the electrolyte membrane before bonding; and a thermocompression bonding step of bonding, to the catalyst layer, the electrolyte membrane to which the liquid is applied, by thermocompression bonding. Provided is a method of manufacturing a membrane-catalyst assembly including a polymer electrolyte membrane and a catalyst layer bonded to the polymer electrolyte membrane, in which the manufacturing method can achieve both the relaxation of thermocompression bonding conditions and the improvement of adhesion between the catalyst layer and the electrolyte membrane with high productivity.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: March 12, 2024
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Yuta Shintaku, Ryuta Sakashita, Daisuke Izuhara, Kiyoshi Minoura, Mei Kumagai