Patents Assigned to Toray Industries, Inc.
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Publication number: 20240133081Abstract: To provide a carbon fiber bundle capable of suppressing winding due to ring-shaped fuzzes, which occurs when the carbon fiber bundle is rolled out for advanced processing, and a production method for producing the same. Disclosed is a carbon fiber bundle wherein an average single-fiber diameter B is 6.9 to 11.0 ?m, a tensile modulus E of resin-impregnated strands is 230 to 310 GPa, the number of fuzzes inherent in the carbon fiber bundle is 40 fuzzes/m or less, and a proportion of fuzzes with a structure having a difference between skin and core is 1 to 25% of fuzzes inherent in the carbon fiber bundle. Such a carbon fiber bundle is preferably obtained by a method including, in a process of heat-treating a polyacrylonitrile-based precursor fiber bundle with a single-fiber fineness of 0.9 to 2.2 dtex in an oxidizing atmosphere at 200 to 300° C.Type: ApplicationFiled: July 19, 2022Publication date: April 25, 2024Applicant: TORAY INDUSTRIES, INC.Inventors: Kiminori ONO, Yuki SADO, Fumihiko TANAKA, Masahiro MATSUMOTO
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Publication number: 20240132675Abstract: A polymer including, as the main chain, a metal-oxygen-metal bond including a structural unit represented by the following general formula (1): wherein M represents a metal atom selected from the group consisting of Al, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, Y, Zr, Nb, Mo, In, Sn, Sb, Hf, Ta, W, and Bi; R1 is selected from a hydrogen atom, a C1-C8 alkyl group, a C1-C8 alkylcarbonyl group, a C6-C12 aryl group, a C7-C13 aralkyl group, a (R53Si-group, a (R6R7N—) group, a 4-oxopent-2-en-2-yl group, a C5-C12 4-alkoxy-4-oxobuta-2-en-2-yl group, and a C10-C16 4-aryloxy-4-oxobuta-2-en-2-yl group; R2 and R3 are each independently a hydrogen atom or a C1-C8 alkyl group; R4 is a hydrogen atom, a C1-C8 alkyl group, or a C1-C8 alkylcarbonyl group; R5 is a hydroxy group, a C1-C8 alkyl group, a C5-C12 alicyclic alkyl group, a C1-C12 alkoxy group, a C6-C12 aryl group, a C7-C13 aralkyl group, or a group having a siloxane bond; a plurality of R5 may be the same or different; R6 and R7 are each independently a hydrogenType: ApplicationFiled: March 11, 2022Publication date: April 25, 2024Applicant: Toray Industries, Inc.Inventors: Masao Kamogawa, Mitsuhito Suwa, Yuki Shigemizu
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Publication number: 20240132943Abstract: The microRNA detection level decreases when a microRNA-containing biological sample is preserved after being collected. Further, a relatively long period of time is required for dissolving a hydrochloride of a neutral amino acid, which is in the form of crystals, in water. Since a hydrochloride of a neutral amino acid is an acidic substance, and causes skin irritation and mucosal irritation, the handling of the hydrochloride requires safety precautions. The present invention provides a method of detecting a microRNA in a biological sample, the method including the steps of: mixing an acid with the biological sample, preserving the resulting mixture for a predetermined period of time, collecting the microRNA in the biological sample, and detecting the microRNA. Further, the present invention provides a homogeneous semi-solid composition composed of a hydrochloride of a neutral amino acid, water and an alcohol.Type: ApplicationFiled: March 16, 2022Publication date: April 25, 2024Applicant: Toray Industries, Inc.Inventors: Yoichiro KOSHI, Osamu WAKAO
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Publication number: 20240126171Abstract: The present invention provides a hollow structure having a low acid ion content and low wiring corrosion when stored in high-temperature, high-humidity conditions. The present invention relates to a hollow structure in which an organic film (I) having a film thickness of 5-30 ?m as a hollow structure support material and an organic film (II) having a film thickness of 5-30 ?m as a hollow structure roof material are layered in said order from the upper surface of a substrate having a metal wiring, wherein, when the organic film (I) and the organic film (II) are independently evaluated by the following method for evaluating ion elution amounts, the total of the ion elution amount of the organic film (I) and the ion elution amount of the organic film (II) is no more than 4,000 ppm. (Ion elution amount evaluation method) An organic film is placed in pure water having a mass 10 times that of the organic film and is extracted in hot water for 10-20 hours at 100-121° C.Type: ApplicationFiled: December 27, 2021Publication date: April 18, 2024Applicant: TORAY INDUSTRIES, INC.Inventors: Yutaro KOYAMA, Hitoshi ARAKI
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Publication number: 20240123408Abstract: The present invention provides a method for analyzing a halogenated structure in a composite semipermeable membrane. The method for analyzing a composite semipermeable membrane according to the present invention includes: a step A for immersing the composite semipermeable membrane in a solution containing alkali and at least one of nicotinamide and a derivative thereof; and a step B for performing fluorescence analysis on the solution obtained in step A.Type: ApplicationFiled: January 28, 2022Publication date: April 18, 2024Applicant: Toray Industries, Inc.Inventors: Koji Nakatsuji, Kazuya Sugita, Hiroo Takabatake
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Publication number: 20240123717Abstract: This polypropylene film has a polypropylene-based resin as a main component, and is configured such that the value (strength X) obtained by multiplying the film thickness by the F5 value in a direction perpendicular to the principal orientation axis is 400 N/m or more and 2000 N/m or less. As measured by thermomechanical analysis (TMA), when: the thermal shrinkage (%) at 100° C. in a direction perpendicular to the principal orientation axis is SMD, 100° C.; the thermal shrinkage at 130° C. in a direction perpendicular to the principal orientation axis is SMD, 130° C.; the thermal shrinkage at 100° C. in the principal orientation axis direction is STD, 100° C.; and the thermal shrinkage at 130° C. in the principal orientation axis direction is STD, 130° C., the propropylene film satisfies |SMD, 100° C.?SMD, 130° C.|?2.00 and |STD, 100° C.?STD, 130° C.|?2.50.Type: ApplicationFiled: March 28, 2022Publication date: April 18, 2024Applicant: Toray Industries, Inc.Inventors: Haruki Aono, Yasuyuki Imanishi, Masatoshi Ohkura
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Patent number: 11958017Abstract: The present invention relates to a hollow-fiber membrane module including: a hollow-fiber membrane bundle including a plurality of hollow-fiber membranes bundled in a potting part; a housing enclosing the hollow-fiber membrane bundle; and a protective member contacting with an outer surface of the potting part and continuously covering the outer surface, in which the protective member has a notched part through which one end of the protective member communicates with another end in a longitudinal direction of the hollow-fiber membrane bundle.Type: GrantFiled: July 26, 2019Date of Patent: April 16, 2024Assignee: Toray Industries, Inc.Inventors: Masato Yanagibashi, Atsushi Kobayashi, Shun Shimura
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Patent number: 11959144Abstract: An object of the present invention is to provide a kit or a device for the detection of prostate cancer and a method for detecting prostate cancer. The present invention provides a kit or a device for the detection of prostate cancer, comprising a nucleic acid capable of specifically binding to a miRNA in a sample of a subject, and a method for detecting prostate cancer, comprising measuring the miRNA in vitro.Type: GrantFiled: October 31, 2022Date of Patent: April 16, 2024Assignees: Toray Industries, Inc., National Cancer CenterInventors: Satoshi Kondou, Hitoshi Nobumasa, Satoko Kozono, Hiroko Sudo, Junpei Kawauchi, Takahiro Ochiya, Nobuyoshi Kosaka
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Publication number: 20240117130Abstract: Provided is an epoxy resin composition and a fiber-reinforced composite material using the epoxy resin composition, where the epoxy resin composition is capable of maintaining a low viscosity while being injected into a reinforcing fiber substrate and is also capable of imparting to a fiber-reinforced composite material high-level physical properties required for use as a structural material even in cases where the temperature increase rate during thermal curing is low, where the epoxy resin composition contains [A] tetraglycidyl diaminodiphenylmethanein an amount of not less than 70% by mass and not more than 90% by mass of total epoxy resin components taken as 100% by mass, [B] a bisphenol F-type epoxy resin in an amount of not less than 10% by mass and not more than 30% by mass by mass of total epoxy resin components taken as 100% by mass, [C] 4,4?-methylenebis(3-chloro-2,6-diethylaniline), and [D] 4,4?-methylenebis(3,3?,5,5?-tetraisopropylaniline).Type: ApplicationFiled: February 10, 2022Publication date: April 11, 2024Applicant: Toray Industries, Inc.Inventor: Kazunori Hondo
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Publication number: 20240116004Abstract: A blood treatment material has both the water permeability to allow removal of water from the blood and the ability to highly efficiently adsorb and remove, for example, inflammatory cells and inflammatory cytokines. The blood treatment material includes a hollow fiber membrane having a surface modified with a ligand containing an amino group(s), wherein the arithmetic mean roughness (RaA) of the blood-contacting surface of the hollow fiber membrane in the radial direction calculated by using a laser microscope is 0.10 ?m to 0.80 ?m.Type: ApplicationFiled: April 15, 2022Publication date: April 11, 2024Applicant: Toray Industries, Inc.Inventors: Kyohei Yamashita, Hiroshi Takahashi
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Patent number: 11951728Abstract: A fiber-reinforced plastic molded body includes: a laminated body having a configuration of laminating a sandwich structure member obtained by laminating one layer or two or more layers of a unidirectional fiber-reinforced resin constituted from a unidirectional continuous fiber and a matrix resin on both surfaces of a core layer and one layer or two or more layers of a woven fiber-reinforced resin constituted from a woven fiber and a matrix resin such that the one layer or two or more layers of a woven fiber-reinforced resin are disposed on the design surface side of the unidirectional fiber-reinforced resin; and the resin member is not substantially exposed in a projection plane from the woven fiber-reinforced resin side.Type: GrantFiled: March 11, 2021Date of Patent: April 9, 2024Assignee: Toray Industries, Inc.Inventors: Keisuke Shiozaki, Kenya Okada, Yuji Fukunishi
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Patent number: 11951695Abstract: 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: GrantFiled: January 19, 2018Date of Patent: April 9, 2024Assignee: Toray Industries, Inc.Inventors: Yuzo Fujita, Kentaro Adachi, Takuya Karaki
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Patent number: 11953830Abstract: The present invention addresses the problem of providing a photosensitive resin composition which exhibits good imidization rate even in cases where the photosensitive resin composition is fired at a temperature of 200° C. or less, while having high pattern processability, and a cured film of which exhibits high long-term reliability if used in an organic EL display device. In order to solve the above-described problem, a photosensitive resin composition according to the present invention contains (a) a polyimide precursor, (b) a phenolic compound having an electron-withdrawing group and (c) a photosensitive compound; and the polyimide precursor (a) has a residue which is derived from a diamine that has an ionization potential of less than 7.1 eV.Type: GrantFiled: March 4, 2020Date of Patent: April 9, 2024Assignee: TORAY INDUSTRIES, INC.Inventors: Yusuke Komori, Takashi Sumi, Kazuto Miyoshi
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Patent number: 11952712Abstract: A synthetic leather has high flame retardance in addition to excellent mechanical strength and durability, which may yield a covered article having an excellent texture, and a covered article which has been covered with the synthetic leather. The covered article includes a synthetic leather and a covered article covered with the synthetic leather, the synthetic leather having a fiber base material layer including a non-woven fabric containing: 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 a thermoplastic fiber B having an LOI value, conforming to JIS K 7201-2 (2007), of 25 or more.Type: GrantFiled: April 17, 2020Date of Patent: April 9, 2024Assignee: Toray Industries, Inc.Inventor: Masaru Harada
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Patent number: 11957020Abstract: A light-emitting device is described that includes a plurality of partially drivable light sources, and a color conversion component configured to convert at least part of incident light from at least part of the light sources and emit outgoing light falling in a different wavelength region from the incident light, where the color conversion component includes a pyrromethene derivative.Type: GrantFiled: January 18, 2019Date of Patent: April 9, 2024Assignee: Toray Industries, Inc.Inventors: Yasunori Ichihashi, Daisaku Tanaka, Masahito Nishiyama, Keizo Udagawa, Yuka Tatematsu
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Publication number: 20240101755Abstract: 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: ApplicationFiled: October 14, 2020Publication date: March 28, 2024Applicant: Toray Industries, Inc.Inventors: Katrina P. Vizzini, Benjamin Lehman, Jonathan Hughes, Alfred P. Haro, Toshiya Kamae
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Publication number: 20240100487Abstract: 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: ApplicationFiled: December 24, 2021Publication date: March 28, 2024Applicant: TORAY INDUSTRIES, INC.Inventors: Harutoki SHIMURA, Takaaki YASUDA, Shinya MITSUI
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Publication number: 20240105956Abstract: 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: ApplicationFiled: November 6, 2020Publication date: March 28, 2024Applicant: Toray Industries, Inc.Inventors: Tomohiro Kato, Takashi Takeuchi, Fumiya Katase, Eiichiro Tamaki
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Publication number: 20240102108Abstract: 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: ApplicationFiled: November 15, 2023Publication date: March 28, 2024Applicants: TORAY INDUSTRIES, INC., NATIONAL CANCER CENTERInventors: Satoko KOZONO, Hitoshi NOBUMASA, Satoshi KONDOU, Hiroko SUDO, Junpei KAWAUCHI, Atsushi OCHIAI, Motohiro KOJIMA
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Publication number: 20240101772Abstract: 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: ApplicationFiled: January 24, 2022Publication date: March 28, 2024Applicant: TORAY INDUSTRIES, INC.Inventors: Kensuke YAHIRO, Tadamasa SUZUKI, Sho TSUBOKURA, Takuji HIGASHIOJI