Patents Assigned to Toyobo Co., Ltd.
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Publication number: 20220282296Abstract: Provided is a means for increasing mannosylerythritol lipid (MEL) production efficiency. The present invention is a mannosylerythritol-lipid-producing microorganism transformed with an expression vector having a gene that encodes a lipase under the control of E5Pgap promoter or E5Ptef promoter.Type: ApplicationFiled: July 8, 2020Publication date: September 8, 2022Applicants: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, TOYOBO CO., LTD.Inventors: Tomotake MORITA, Azusa SAIKA, Hideaki KOIKE, Tokuma FUKUOKA, Dai KITAMOTO, Tomohiro SUGAHARA, Shuhei YAMAMOTO, Atsushi SOGABE
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Patent number: 11433653Abstract: It is an object of the present invention to provide a packaging bag having excellent dimensional stability, processability, bag breakage resistance, and chemical resistance, and causing less transfer of an extract to contents. A packaging bag includes a laminated body in which a layer of biaxially stretched polybutylene terephthalate film, having a thickness of 8 to 25 ?m and a polyolefin film sealant layer having a thickness of 10 to 100 ?m are laminated. The biaxially stretched polybutylene terephthalate film satisfies (a) to (c) below: (a) the biaxially stretched polybutylene terephthalate film contains 60% by mass or more of a polybutylene terephthalate resin; (b) a thermal shrinkage of the biaxially stretched polybutylene terephthalate film at 150° C. for 30 minutes is ?2 to +4%; and (c) a total amount of 1,4-butanediol and THF volatilized during heating at a temperature of 135° C. for 60 minutes is 2000 ppb or less.Type: GrantFiled: July 3, 2018Date of Patent: September 6, 2022Assignee: TOYOBO CO., LTD.Inventor: Takamichi Goto
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Publication number: 20220275139Abstract: Provided is a white laminated polyester film that has blocking resistance when water adheres and has excellent adhesion to UV ink. A white laminated polyester film comprising a polyester resin layer and a coating layer on at least one surface of the polyester film substrate, the coating layer being formed by curing a composition containing a urethane resin with a polycarbonate structure and a branched structure, a crosslinking agent, and a polyester resin. The crosslinking agent is preferably a compound containing three or more blocked isocyanate groups.Type: ApplicationFiled: July 10, 2020Publication date: September 1, 2022Applicant: TOYOBO CO., LTD.Inventors: Noriyuki TAKAGI, Eiji KUMAGAI, Takeshi KUBO
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Publication number: 20220275159Abstract: Provided is a hard coating film for foldable displays that does not form creases or cracks in the folding portion, and that is also excellent in reducing iridescent colors (interference mottling) caused by fine cracks in an easy-to-adhere resin layer or other layers.Type: ApplicationFiled: June 30, 2020Publication date: September 1, 2022Applicant: TOYOBO CO., LTD.Inventors: Yohei YAMAGUCHI, Kokichi TOKUO, Shotaro NISHIO, Kiwamu KAWAI
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Publication number: 20220275414Abstract: Provided is a means for efficiently producing a monoacyl MEL. This means comprises culturing a monoacyl-MEL-producing microorganism in the presence of a surfactant.Type: ApplicationFiled: August 24, 2020Publication date: September 1, 2022Applicants: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, TOYOBO CO., LTD.Inventors: Tomotake MORITA, Azusa SAIKA, Tokuma FUKUOKA, Dai KITAMOTO, Tomohiro SUGAHARA, Shuhei YAMAMOTO, Atsushi SOGABE
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Publication number: 20220274314Abstract: This apparatus for manufacturing a laminate comprises: a first sheet transporting device for transporting a first sheet; a water supply device for supplying an aqueous medium to the surface of the first sheet coated with a silane coupling agent and/or the surface of a second sheet coated with a silane coupling agent; and a laminating device for attaching the first sheet and the second sheet which have been supplied with the aqueous medium.Type: ApplicationFiled: June 18, 2020Publication date: September 1, 2022Applicant: TOYOBO CO., LTD.Inventors: Tetsuo OKUYAMA, Kaya TOKUDA, Kazuyuki OUYA, Naoki WATANABE
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Publication number: 20220274731Abstract: A heat-shrinkable polyester film that has (1) a hot-water heat shrinkage of 40% or more in a main shrinkage direction of the film when immersed in hot water of 98° C. for 10 seconds; (2) a planar orientation coefficient of 0.035-0.070; (3) ethylene terephthalate as a main constituent component and 6-25 mol % diethylene glycol (DEG) constituent in 100 mol % of polyhydric alcohol in all the polyester resin constituting the film; (4) a maximum shrinkage stress of 2-17 MPa in the main shrinkage direction of the film when measured in hot air of 90° C.; and (5) a tensile elongation at break of 20% or more in a direction orthogonal to the main shrinkage direction after the film is aged in an atmosphere with an atmospheric temperature of 40° C. and a relative humidity of 85% for 28 days.Type: ApplicationFiled: July 17, 2020Publication date: September 1, 2022Applicant: TOYOBO CO., LTD.Inventors: Masafumi INOUE, Masayuki HARUTA
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Patent number: 11427689Abstract: A first object of the present invention is to provide a stretchable conductor sheet that exhibits isotropic conductivity when stretched in a predetermined direction or in a direction perpendicular to the predetermined direction, and a paste for forming a stretchable conductor sheet, which is used for the stretchable conductor sheet. A second object of the present invention is to provide a stretchable conductor sheet having a small change in specific resistance even when repeatedly twisted, and a paste for forming a stretchable conductor sheet, which is used for the stretchable conductor sheet. A third object of the present invention is to provide a stretchable conductor sheet having a small change in specific resistance even when repeatedly washed, and a paste for forming a stretchable conductor sheet, which is used for the stretchable conductor sheet.Type: GrantFiled: March 8, 2017Date of Patent: August 30, 2022Assignee: TOYOBO CO., LTD.Inventors: Michihiko Irie, Satoshi Imahashi, Hiromichi Yonekura, Takashi Kondo, Maki Kinami
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Publication number: 20220267597Abstract: A polyamide resin composition containing a polyimide resin (A), a modified styrene-based copolymer (B), a modified high-density polyethylene (C), and an aliphatic metal salt (D), and having a melt mass flow rate (MFR) of 20 g/10 minutes or more and less than 60 g/10 minutes and a 65% RH equilibrium water absorption rate of less than 3%. The polyamide resin composition can form a molded article having a sufficiently high limit of fatigue against continuous load, achieve high mechanical characteristics and high fluidity to prevent the occurrence of a short shot or decrease in the strength of a welded part even in a large and/or thick molded article, and has excellent mold releasability and more excellent abrasion resistance than ever before.Type: ApplicationFiled: September 9, 2020Publication date: August 25, 2022Applicant: TOYOBO CO., LTD.Inventors: Yoshitaka AYUZAWA, Kensaku MAEDA, Ryo UMEKI
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Publication number: 20220266580Abstract: A multilayered stretched polyamide film which is biaxially stretched, and comprises three layers composed of a polyamide resin composition and comprising layer B as an easily adhesive layer, layer A as a base layer, and layer C as an easily slippery layer in this order, wherein the film satisfies the following (1) to (4); (1) the layer A contains 50 to 90% by mass of polyamide 6 and 10 to 50% by mass of a polyamide 6 copolymer in which a ratio of a copolymerization component in the copolymer is 3 to 35% by mass; (2) the layer B contains 0 to 40% by mass of polyamide 6 and 60 to 100% by mass of the polyamide 6 copolymer in which a ratio of the copolymerization component in the copolymer is 3 to 35% by mass; (3) the layer C contains 70% by mass or more of polyamide 6 and 0.05 to 1% by mass of fine particles having an average diameter of 0.1 to 10 ?m; (4) the film has tensile strength at break of 150 MPa or more both in MD direction and TD direction; and (5) the film has laminate strength of 3.3 N/15 mm or more.Type: ApplicationFiled: August 26, 2020Publication date: August 25, 2022Applicant: TOYOBO CO., LTD.Inventors: Takamichi GOTO, Takuro ENDO
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Publication number: 20220267541Abstract: The invention provides a heat-shrinkable polyester film roll obtained by winding a heat-shrinkable polyester film on a paper tube with primary shrinkage in the longitudinal direction and a shrinkage rate of 40% or more, wherein the film has a winding length of 1000 to 30000 m, a width of 50 to 1500 mm, and a thickness of 5-30 ?m, the thickness irregularity of the film roll in the width direction is 20% or less, the paper tube has an inner diameter of 3 inches with a 0.5 mm or less difference in clearance and a 1700 N/100 mm or more flat compressive strength in the width direction after the film is removed from the film roll, the mean value of the winding hardness of the surface layer part of the film roll in the width direction is 500-850, and the natural shrinkage rate in the longitudinal direction is 2.0% or less.Type: ApplicationFiled: September 23, 2020Publication date: August 25, 2022Applicant: TOYOBO CO., LTD.Inventors: Masafumi INOUE, Masayuki HARUTA
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Patent number: 11420430Abstract: It is provided that a polypropylene-based laminated film having high heat resistance and stiffness. A polypropylene-based laminated film comprising: a base layer (A) that is formed of a polypropylene-based resin satisfying following conditions 1) to 4) and contains an antifogging agent; and a heat seal layer (B) formed on one or both surfaces of the base layer (A) and formed of a polyolefin-based resin, wherein a lower limit of a plane orientation coefficient of the film is 0.0125, 1) a lower-limit mesopentad fraction is 96%, 2) an upper-limit amount of a copolymerization monomer other than propylene is 0.1 mol %, 3) mass average molecular weight (Mw)/number average molecular weight (Mn) is 3.0 or more and 5.4 or less, and 4) a melt flow rate (MFR) measured at 230° C. and 2.16 kgf is 6.2 g/10 min or more and 9.0 g/10 min or less.Type: GrantFiled: June 11, 2019Date of Patent: August 23, 2022Assignee: TOYOBO CO., LTD.Inventors: Tomoya Yoshii, Kazuya Kiriyama, Ryo Takai, Toru Imai
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Publication number: 20220259390Abstract: The invention provides a biaxially oriented polypropylene-based resin film having a base layer (A) consisting of a polypropylene-based resin composition and surface layers (B) consisting of a polypropylene-based resin composition on both sides of base layer (A), wherein the film has a) a mesopentad fraction of the polypropylene-based resin composition constituting base layer (A) of 95.0 to 99.5%; b) a ratio of ?-olefin monomer-derived component to a total of propylene monomer-derived component and ?-olefin monomer-derived component in the polypropylene-based resin composition constituting base layer (A) of 0.2% by mole or less; c) a ratio of butene-1 monomer-derived component to a total of propylene monomer-derived component and ?-olefin monomer-derived component in the polypropylene-based resin composition constituting surface layers (B) of 5 to 10% by mole; and d) a thickness of 60 ?m or less, wherein the thickness of surface layers (B) is 3-10% of the total layer thickness of the film.Type: ApplicationFiled: May 20, 2020Publication date: August 18, 2022Applicant: TOYOBO CO., LTD.Inventors: Kazuya KIRIYAMA, Toru IMAI
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Publication number: 20220259431Abstract: Provided is a gas-barrier polyamide film that has excellent bending pinhole resistance and friction pinhole resistance at the same time, that has excellent gas barrier properties, and that is suitable for use for packaging materials. In addition, the environmental load is reduced by using a plant-derived resin as a raw material. A gas-harrier polyamide film comprising an inorganic thin film layer on at least one surface of a biaxially stretched polyamide film containing 99 to 70% by mass of a polyamide 6 resin and 1 to 30% by mass of a polyamide resin in which at least a part of raw material is derived from biomass.Type: ApplicationFiled: July 29, 2020Publication date: August 18, 2022Applicant: TOYOBO CO., LTD.Inventors: Takuro ENDO, Takamichi GOTO, Atsushi YAMAZAKI
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Patent number: 11414579Abstract: The present invention provides a sealing resin composition containing a polyester resin (A), carbodiimide (B) and an antioxidant (C).Type: GrantFiled: May 17, 2018Date of Patent: August 16, 2022Assignee: TOYOBO CO., LTD.Inventor: Yuki Murakami
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Publication number: 20220252987Abstract: A device for recycling a used water-based developer after development of a flexographic original printing plate having a photosensitive resin layer containing a water-dispersible synthetic rubber-based polymer. the device including a centrifugal separator having a rotating body for separating a resin flocculate from the used water-based developer, wherein a cross-sectional shape of the rotating body in a vertical direction including a rotation shaft of the rotating body substantially has a cylindrical or truncated-conical outline, and wherein the rotating body has a slit to allow the used water-based developer after the centrifugation to flow out. Preferably, when a total area of an opening of the slit open to the inside of the rotating body is defined as A cm2, and an internal volume of the rotating body is defined as B cm3, a value of a slit opening area ratio (B/A) is in a range of 30000 to 140000.Type: ApplicationFiled: July 30, 2020Publication date: August 11, 2022Applicant: TOYOBO CO., LTD.Inventor: Hiroto Yamada
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Publication number: 20220251314Abstract: Disclosed is a biaxially oriented polyester film that is superior in transparency and easy to perform secondary processing such as coating and vapor deposition, and satisfies performance after the secondary processing. The biaxially oriented polyester film consists of a polyester resin composition including particles, and at least one surface of the film satisfies all of the following requirements (1) to (3): (1) the number of micro protrusions having a height of less than 3 nm per an area of 4×10?12 m2 of 250 or more and 600 or less; (2) the number of micro protrusions having a height of 3 nm or more per an area of 4×10?12 m2 of 300 or more and 600 or less; and (3) an arithmetic average height Sa of 0.010 ?m or more and 0.025 ?m or less.Type: ApplicationFiled: June 23, 2020Publication date: August 11, 2022Applicant: TOYOBO CO., LTD.Inventors: Nobuyuki MANABE, Masayuki HARUTA
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Publication number: 20220251381Abstract: Provided is a polyamide resin composition which is used for a foam molded body and has high appearance performance, high load resistance, and high impact resistance. This polyamide resin composition for foam molding contains: 40 to 70 parts by mass of a crystalline polyamide resin (A); 5 to 15 parts by mass of a non-crystalline polyamide resin (B); 15 to 50 parts by mass of an inorganic reinforcing material (C); 0.1 to 10 parts by mass of an elastomer (D); and 0.5 to 15 parts by mass of a copolymer (E) having a functional group that reacts with a terminal group of the polyamide resin. The total amount of the crystalline polyamide resin (A), the non-crystalline polyamide resin (B), the inorganic reinforcing material (C), the elastomer (D), and the copolymer (E) having a functional group that reacts with a terminal group of the polyamide resin is 100 parts by mass.Type: ApplicationFiled: June 22, 2020Publication date: August 11, 2022Applicant: TOYOBO CO., LTD.Inventors: Kazuki IWAMURA, Nobuhiro YOSHIMURA, Ryo UMEKI
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Publication number: 20220250303Abstract: The purpose of the present invention is to provide a sheet for molding that is easily used for various applications. The sheet for molding includes a nonwoven fabric and a resin layer laminated on the nonwoven fabric, wherein the nonwoven fabric includes a fiber having a birefringence ?n of 0.005 or more and 0.050 or less; and the resin layer includes a resin having a number average molecular weight of 5,000 or more and 150,000 or less, and has an infiltrating portion infiltrating into the nonwoven fabric and a non-infiltrating portion not infiltrating into the nonwoven fabric.Type: ApplicationFiled: June 4, 2020Publication date: August 11, 2022Applicant: TOYOBO CO., LTD.Inventors: Shinichiro Inatomi, Mariko Matsui, Takehisa Yane, Keiko Taga, Naoki Takagi, Masashi Shimoda
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Publication number: 20220250282Abstract: A pellet production method comprising: an operation in which a strand comprising a composition containing thermoplastic resin and reinforcing material is extruded from an orifice at a die; an operation in which the strand is drawn into water within a tank and is cooled; and an operation in which the cooled strand is cut to obtain a pellet; wherein at least one first guide roller for guiding the strand within the tank is provided within the tank, and an angle made by portions of the strand that are ahead of and behind that first guide roller which is in an upstreammost location is not less than 90° but is less than 180°; and wherein a ratio of a diameter of the pellet to a diameter of the orifice (diameter of the pellet/diameter of the orifice) is 0.45 to 0.80.Type: ApplicationFiled: June 2, 2020Publication date: August 11, 2022Applicant: TOYOBO CO., LTD.Inventors: Ryo UMEKI, Yoshitaka AYUZAWA