Patents Assigned to Toray Industries, Inc.
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Patent number: 11932971Abstract: 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: GrantFiled: October 24, 2019Date of Patent: March 19, 2024Assignee: Toray Industries, Inc.Inventors: Ayanobu Horinouchi, Fumitaka Watanabe, Yuuki Okishima
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Publication number: 20240084153Abstract: 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: ApplicationFiled: January 25, 2022Publication date: March 14, 2024Applicant: TORAY INDUSTRIES, INC.Inventors: Akito ITO, Noboru KOSHIMIZU, Takejiro INOUE
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Patent number: 11926111Abstract: 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: GrantFiled: October 17, 2018Date of Patent: March 12, 2024Assignee: Toray Industries, Inc.Inventors: Yuzo Fujita, Takuya Karaki, Kentaro Adachi
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Patent number: 11926088Abstract: 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: GrantFiled: November 16, 2020Date of Patent: March 12, 2024Assignee: Toray Industries, Inc.Inventors: Naokichi Imai, Kotaro Shinohara, Masato Honma
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Patent number: 11926074Abstract: An intermediate base material is provided that is excellent in the conformity to three-dimensional shapes and that, when formed into a fiber reinforced plastic, develops good surface quality and high mechanical properties. According to one aspect, an incised prepreg is provided that has, in at least a partial region in a prepreg that contains unidirectionally oriented reinforcing fibers and a resin, a plurality of incisions that divide reinforcing fibers, wherein, in the case where a population is made up of the numbers of incisions contained in ten small circular regions of 10 mm in diameter randomly selected in the aforementioned region, a mean value for the population is 10 or greater and a coefficient of variation therefor is within 20%.Type: GrantFiled: December 30, 2020Date of Patent: March 12, 2024Assignee: TORAY INDUSTRIES, INC.Inventors: Yuzo Fujita, Yuta Naito, Ichiro Taketa, Shiori Kawamoto, Yoshitaka Koyama
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Patent number: 11926129Abstract: A prepreg laminate is provided which includes: a woven fabric prepreg on at least one surface layer; and a discontinuous fiber prepreg; the woven fabric prepreg including reinforcing fibers R1 having a woven structure, and a thermosetting resin A, the discontinuous fiber prepreg including unidirectionally oriented discontinuous reinforcing fibers R2 and a thermosetting resin B, the thermosetting resin A and the thermosetting resin B satisfying the following calorific value condition: calorific value condition: when each of the thermosetting resin A and the thermosetting resin B is heated using a differential scanning calorimeter from 50° C. to 130° C. at 700° C./min under a nitrogen atmosphere followed by retention at 130° C.Type: GrantFiled: July 3, 2018Date of Patent: March 12, 2024Assignee: Toray Industries, Inc.Inventors: Kentaro Adachi, Yuzo Fujita, Takuya Karaki
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Patent number: 11929511Abstract: 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: GrantFiled: December 21, 2020Date of Patent: March 12, 2024Assignee: TORAY INDUSTRIES, INC.Inventors: Yuta Shintaku, Ryuta Sakashita, Daisuke Izuhara, Kiyoshi Minoura, Mei Kumagai
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Publication number: 20240074947Abstract: There is provided a nonwoven fabric for skin care products excellent in adhesion and wiping properties, and soft touch to the skin. The nonwoven fabric includes synthetic fibers and cellulose fibers. When a maximum length of a cross section of the synthetic fibers is denoted by A and a maximum width thereof is denoted by B, flatness expressed by the formula (1) is 1.0 to 1.5: flatness=A/B??(1) the synthetic fibers have recesses, a depth of which is 1.0% or more and 10.0% or less relative to a single fiber diameter of the synthetic fibers, a single fiber diameter of the synthetic fibers is 1 ?m or more and 20 ?m or less, a content of the synthetic fibers is 30 to 70% by mass relative to the entire nonwoven fabric for skin care products, a content of the cellulose fibers is 70 to 30% by mass relative to the entire nonwoven fabric for skin care products, and an average single fiber diameter of all fibers constituting the nonwoven fabric for skin care products is 5 ?m or more and 20 ?m or less.Type: ApplicationFiled: December 16, 2021Publication date: March 7, 2024Applicant: Toray Industries, Inc.Inventors: Kumi Oyama, Taira Omori, Tomoko Takano
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Patent number: 11920131Abstract: A method produces a hairpin single-stranded RNA molecule capable of inhibiting expression of a target gene, the method including: (i) an annealing step of annealing a first single-stranded oligoRNA molecule and a second single-stranded oligoRNA molecule; and (ii) a ligation step of ligating 3? end of the first single-stranded oligoRNA molecule and 5? end of the second single-stranded oligoRNA molecule by an Rnl2 family ligase, wherein a sequence produced by ligating the first single-stranded oligoRNA molecule and the second single-stranded oligoRNA molecule includes a gene expression-inhibiting sequence for the target gene.Type: GrantFiled: March 29, 2019Date of Patent: March 5, 2024Assignee: Toray Industries, Inc.Inventors: Hideaki Inada, Katsuhiko Iseki, Keiichi Okimura, Masato Sanosaka, Ayumi Takashina
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Publication number: 20240066758Abstract: A problem to be solved by the present invention is to provide a prepreg and an integrally molded article, wherein the prepreg exhibits suitable flexibility and adhesiveness, excels in formability on a complicated mold face and adhesion to a mold face, causes no positional shift, and can be efficiently reinforced and stiffened at an intended position. A main object of the present invention is to provide a prepreg including (A) reinforcing fibers, (B) a thermosetting resin, and (C) a thermoplastic resin, wherein the (C) thermoplastic resin exists in at least a part of a face of the prepreg, and wherein the prepreg satisfies the condition [I], and satisfies the condition [II] or the condition [III]: [I]: the (B) thermosetting resin has a peak in the temperature range of more than 100° C. and 180° C.Type: ApplicationFiled: December 21, 2021Publication date: February 29, 2024Applicant: Toray Industries, Inc.Inventors: Miho Onodera, Yoshiki Takebe, Yuta Naito, Jun Misumi, Yoshifumi Nakayama, Masato Honma
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Publication number: 20240067822Abstract: A problem to be solved by the present invention is to provide a resin composition suitable for spinning, particularly electrospinning, and in addition, to provide a heat-resistant non-woven fabric having excellent strength and a method of producing the same. A main object of the present invention is: to provide a resin composition including: (a) at least one heat-resistant resin or a precursor thereof, the heat-resistant resin being selected from the group consisting of a heat-resistant resin containing a nitrogen atom and a heat-resistant resin containing, in the main chain, a group selected from the group consisting of ether group, ketone group, sulfone group, and sulfide group; (b) a solvent; and (c) a surfactant having a fluoroalkyl group; and to form a non-woven fabric using the resin composition by an electrospinning method.Type: ApplicationFiled: October 27, 2021Publication date: February 29, 2024Applicant: Toray Industries, Inc.Inventors: Shuhei Tanabe, Tomoyuki Yuba, Natsuko Tobata
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Publication number: 20240069220Abstract: Provided is a scintillator panel with reduced deterioration in brightness due to irradiation and higher brightness. A scintillator panel including a substrate and a scintillator layer containing phosphors, in which the scintillator layer includes a binder resin having a ?-conjugated structure composed of seven or more atoms; in which the glass transition temperature of the binder resin is from 30 to 430° C.; and the thickness of the scintillator layer is from 50 to 800 ?m.Type: ApplicationFiled: July 20, 2021Publication date: February 29, 2024Applicant: Toray Industries, Inc.Inventors: Sho Miyao, Takahiro Murai, Yasuhiro Kobayashi, Nobuyasu Fujioka
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Patent number: 11912859Abstract: The purpose of the present invention is to provide: an epoxy resin composition capable of giving cured resins which combine flexural modulus with flexural strain on a high level and have excellent heat resistance; a prepreg comprising the epoxy resin composition and reinforcing fibers; and a fiber-reinforced composite material obtained by curing the prepreg and excellent especially in terms of 0° and 90° bending strength. An embodiment of the epoxy resin composition of the present invention for achieving such purpose is an epoxy resin composition which comprises the following components [A], [B], and [C] and satisfies a specific requirement. Component [A]: a trifunctional amine type epoxy resin. Component [B]: a bisphenol F type epoxy resin which is solid at 25° C. Component [C]: an aromatic amine compound.Type: GrantFiled: June 17, 2019Date of Patent: February 27, 2024Assignee: TORAY INDUSTRIES, INC.Inventors: Daisuke Konishi, Yuichi Yamakita, Noriyuki Hirano, Eiki Takahashi
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Publication number: 20240060142Abstract: An embodiment according to the present invention provides a kit or device for detection of bladder cancer, and a method for detecting bladder cancer. An embodiment according to the present invention relates to: a kit or device for detection of bladder cancer, including a nucleic acid(s) capable of specifically binding to an miRNA(s) or a complementary strand(s) thereof in a sample from a subject; and a method for detecting bladder cancer, including measuring the miRNA(s) in vitro.Type: ApplicationFiled: June 22, 2023Publication date: February 22, 2024Applicants: TORAY INDUSTRIES, INC., NATIONAL CANCER CENTERInventors: Makiko YOSHIMOTO, Hiroko SUDO, Satoko KOZONO, Junpei KAWAUCHI, Takahiro OCHIYA, Hiroyuki FUJIMOTO, Wataru USUBA, Juntaro MATSUZAKI
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Publication number: 20240060217Abstract: A composite fiber that satisfies properties of both stretchability and wear resistance, and that exhibits a delicate worsted-wool feeling closer to wool, a deep natural appearance, and a satisfactory feeling is described, and a woven/knitted fabric and a garment including the composite fiber, where the composite fiber includes a polyester-based thermoplastic resin A and a polyester-based thermoplastic resin B, and satisfies requirements (1) to (4): (1) a difference (MA?MB) between a weight average molecular weight MA of the polyester-based thermoplastic resin A and a weight average molecular weight MB of the polyester-based thermoplastic resin B is 2,000 to 15,000; (2) in the composite fiber, an apparent thick/thin ratio (Dthick/Dthin) of the composite fiber is 1.05 to 3.Type: ApplicationFiled: January 7, 2022Publication date: February 22, 2024Applicant: Toray Industries, Inc.Inventors: Shinya Nakamichi, Kojiro Inada, Tomohiko Matsuura, Masato Masuda
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Publication number: 20240059031Abstract: A prepreg laminate is described that is a fiber-reinforced plastic material having high rigidity, lightweight properties and excellent moldability, where the prepreg laminate is obtained by a prepreg (A), in which non-continuous reinforcing fibers are impregnated with a thermosetting resin or thermoplastic resin, and a prepreg (B), in which non-continuous reinforcing fibers are impregnated with a thermoplastic resin, being laminated adjacent to each other, and by the prepreg (A) being disposed on at least one surface, at least some combinations of the prepreg (A) and the prepreg (B) adjacent to each other forming an overlap region that satisfies at least one of the requirements (1) and (2) as defined.Type: ApplicationFiled: March 17, 2022Publication date: February 22, 2024Applicant: Toray Industries, Inc.Inventors: Kentaro Adachi, Masato Honma, Hiroaki Matsutani
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Patent number: 11906536Abstract: It is intended to provide a kit or a device for the detection of lung cancer and a method for detecting lung cancer. The present invention provides a kit or a device for the detection of lung cancer, comprising a nucleic acid capable of specifically binding to a miRNA in a sample from a subject, and a method for detecting lung cancer, comprising measuring the miRNA in vitro.Type: GrantFiled: October 31, 2022Date of Patent: February 20, 2024Assignees: TORAY INDUSTRIES, INC., NATIONAL CANCER CENTERInventors: Hiroko Sudo, Hitoshi Nobumasa, Satoko Kozono, Satoshi Kondou, Junpei Kawauchi, Atsushi Ochiai, Motohiro Kojima
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Patent number: 11905180Abstract: The present invention relates to a method for recovering a rare metal salt, the method including: an acid treatment step of obtaining a rare metal-containing acidic aqueous solution by bringing a material including a monovalent rare metal and a polyvalent rare metal into contact with an acidic aqueous solution; a separation step of obtaining permeated water including the monovalent rare metal and non-permeated water including the polyvalent rare metal from the rare metal-containing acidic aqueous solution by using a nanofiltration membrane satisfying the condition (1); and a concentration step of obtaining non-permeated water having a higher concentration of the monovalent rare metal and permeated water having a lower concentration of the monovalent rare metal than that of the permeated water in the separation step, by using a reverse osmosis membrane.Type: GrantFiled: April 21, 2021Date of Patent: February 20, 2024Assignee: TORAY INDUSTRIES, INC.Inventors: Tomoya Yoshizaki, Takanori Soya, Masakazu Koiwa, Shigehisa Hanada
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Patent number: 11905565Abstract: This invention provides a kit or device for detection of prostate cancer and a method for detecting prostate cancer. This invention provides a kit or device for detection of prostate cancer comprising a nucleic acid capable of specifically binding to an miRNA in a sample from a subject or a complementary strand thereof and a method for detecting prostate cancer comprising measuring the miRNA in vitro.Type: GrantFiled: November 17, 2022Date of Patent: February 20, 2024Assignees: TORAY INDUSTRIES, INC., NATIONAL CANCER CENTERInventors: Makiko Yoshimoto, Hiroko Sudo, Atsuko Miyano, Satoko Kozono, Takahiro Ochiya, Hiroyuki Fujimoto, Fumihiko Urabe, Juntaro Matsuzaki
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Publication number: 20240051281Abstract: A lightweight laminate capable of maintaining mechanical properties while exhibiting excellent flame retardancy, a method for producing the laminate, and a prepreg are described, where the laminate includes fibers; a matrix resin; and a flame-retardant filler and satisfies 0.01<A/B<0.15 under the described conditions where A and B are as defined. The prepreg includes fibers; a matrix resin; and a flame-retardant filler and satisfies 0.01<A/B<0.15 under the described conditions where A and B are as defined.Type: ApplicationFiled: January 13, 2022Publication date: February 15, 2024Applicant: Toray Industries, Inc.Inventors: Yuki Sado, Hiroaki Sakata