Patents Assigned to Toyobo Co., Ltd.
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Publication number: 20230078293Abstract: The present invention aims to provide an adhesive composition excellent in storage stability, adhesiveness, blocking resistance, and water resistance. A crystalline polyester resin containing a polycarboxylic acid component and a polyhydric alcohol component as copolymerization components, wherein 30 to 70 mol % of terephthalic acid and 10 to 60 mol % of 1,4-cyclohexanedicarboxylic acid are contained as the polycarboxylic acid component, and 50 mol % or more of 1,4-butanediol is contained as the polyhydric alcohol component, wherein the acid value of the crystalline polyester resin is 100 to 600 eq/t, wherein the glass transition temperature of the crystalline polyester resin is ?30 to 30° C., and wherein the melting point of the crystalline polyester resin is 70 to 160° C.Type: ApplicationFiled: February 16, 2021Publication date: March 16, 2023Applicant: TOYOBO CO., LTD.Inventors: Tadahiko MIKAMI, Yasuhiro SAKAMOTO
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Publication number: 20230077683Abstract: An object of the present invention is to provide a polyester resin having good producibility and color tone, containing fewer foreign bodies, and showing good adhesion to a metal substrate and curability. A polyester resin containing 2 to 10 ppm by mass of titanium in terms of metal and 50 to 100 ppm by mass of zinc in terms of metal, in which the number of foreign bodies contained in the polyester resin is 15 or less per 5 g of the polyester resin.Type: ApplicationFiled: February 24, 2021Publication date: March 16, 2023Applicant: TOYOBO CO., LTD.Inventors: Wataru MIURA, Yumi NOMURA
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Publication number: 20230081425Abstract: A composition for a film adhesive, an ink binder, or a coating agent based on a polyurethane resin having excellent heat resistance and surface hardness and good adhesiveness to various substrates. A composition containing a polyurethane resin (X) and a crosslinking agent (Y), in which the polyurethane resin (X) contains a polycarbonate polyol (A), an organic diisocyanate (B), and a chain extender (C) as copolymerization components, characterized in that the glass transition temperature of the polyurethane resin (X) is 50° C. or higher, that the polycarbonate polyol (A) contains 60 mol % or more of a specific structure, and that the composition contains 1 to 30 parts by mass of the crosslinking agent (Y) with respect to 100 parts by mass of the polyurethane resin (X).Type: ApplicationFiled: February 5, 2021Publication date: March 16, 2023Applicant: TOYOBO CO., LTD.Inventors: Hiroyuki MIEDA, Hiroki OKAJIMA, Katsuya SHIMENO
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Patent number: 11591631Abstract: A glucose monitoring method and a glucose sensor, both of which use glucose dehydrogenase having a Michaelis constant (Km) for xylose of 600 mM or more and 3000 mM or less, and a Km for glucose of 0.1 mM or more and 100 mM or less, which provide for evaluating FADGDH in an aqueous system while reducing the practical influence of FADGDH on D-xylose.Type: GrantFiled: June 22, 2018Date of Patent: February 28, 2023Assignee: TOYOBO CO., LTD.Inventors: Yasuhiro Yamazaki, Atsushi Kawai, Takahide Kishimoto
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Publication number: 20230056608Abstract: An object of the present invention is to provide a laminated film that exhibits superior water repellency and oil repellency and has good adhesion between a substrate film and a coating layer, and for this purpose, the laminated film is a laminated film comprising a substrate film and at least one coating layer laminated on the substrate film, wherein the coating layer contains an acid-modified polyolefin and hydrophobic oxide particles, and the acid-modified polyolefin has an acid value of 1 mgKOH/g or more and 60 mgKOH/g or less. Preferably, the laminated film is a solution means in which a surface of the coating layer has a contact angle with respect to water of 100 degrees or more.Type: ApplicationFiled: January 5, 2021Publication date: February 23, 2023Applicant: TOYOBO CO., LTD.Inventors: Miyuki HAYASHI, Masako TATSUTA, Koji YAMADA, Yoshihiko TERAMOTO, Katsuya ITO
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Publication number: 20230039528Abstract: The accuracy of immunoassay using a latex reagent is improved in a high CRP concentration range. Provided are C-reactive proteins generated by genetic recombination, 55% or more of the C-reactive proteins having a pyroglutamylated N-terminal.Type: ApplicationFiled: October 23, 2020Publication date: February 9, 2023Applicant: TOYOBO CO., LTD.Inventors: Ayaka MISHIMA, Yosuke SUMIDA
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Publication number: 20230038115Abstract: A polyolefin-based film comprising at least one layer permitting printing as a result of laser irradiation; wherein not less than 100 ppm but not greater than 3000 ppm of pigment permitting printing as a result of laser irradiation is present in all layers of the film; haze thereof is not less than 1% but not greater than 30%; and unevenness in thickness thereof in either a machine direction or a transverse direction is not less than 0.1% but not greater than 25%. An object is to provide a film capable of being printed in distinct fashion by a laser, that excels with respect to unevenness in thickness, and that is of high transparency, and at the same time provide packaging which employs such film and on which printing has been directly carried out.Type: ApplicationFiled: December 14, 2020Publication date: February 9, 2023Applicant: TOYOBO CO., LTD.Inventors: Shintaro ISHIMARU, Masayuki HARUTA
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Publication number: 20230037120Abstract: Provided is a monoacylated MEL. A microorganism of the genus Pseudozyma produces monoacylated MEL-B.Type: ApplicationFiled: December 2, 2020Publication date: February 2, 2023Applicants: 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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Patent number: 11565459Abstract: The invention provides a heat-shrinkable polyester-based film roll obtained by winding a heat-shrinkable polyester-based film with a shrinkage ratio of 30% or more in a film main shrinkage direction in hot water at 90° C. for 10 seconds. The film roll has a winding length of 2000-25000 m and a width of 400-2500 mm. The film has a thickness of 5-40 ?m. In thickness unevenness in a width direction of the film on a surface layer of the film roll, there are positions having concave thickness patterns, and in a concave portion that has a maximum thickness difference (maximum concave portion), thickness unevenness in the maximum concave portion, which is obtained from the maximum thickness difference in the maximum concave portion and an average thickness of the film is 10% or less. The winding hardness of the surface layer of the film roll is 400-800.Type: GrantFiled: September 3, 2018Date of Patent: January 31, 2023Assignee: TOYOBO CO., LTD.Inventors: Masayuki Haruta, Norimi Tabota
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Publication number: 20230025401Abstract: A hollow fiber membrane module includes a pressure vessel, a plurality of hollow fiber membrane elements arranged in series inside the pressure vessel, and a connector that connects the hollow fiber membrane elements to each other. Each of the hollow fiber membrane elements includes a plurality of hollow fiber membranes, and a double-core tube extending in a longitudinal direction of the plurality of hollow fiber membrane elements. The connector includes a first channel and a second channel that do not communicate with each other. Between the hollow fiber membrane elements, the outer channels of the hollow fiber membrane elements are connected to each other through the first channel, the inner channels of the hollow fiber membrane elements are connected to each other through the second channel, and hollow portions of the hollow fiber membranes communicate with the inner channels through the second channel.Type: ApplicationFiled: December 17, 2020Publication date: January 26, 2023Applicant: TOYOBO CO., LTD.Inventors: Tomohiro Okamura, Hiroyuki Yoshida, Hideki Mihara, Mikio Katsube
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Patent number: 11554342Abstract: It is an object of the present invention to provide a filter which remove acidic gas in the atmosphere with high efficiency and has excellent water resistance. A filter comprising: an aluminium substrate; and an adsorption layer on a surface of the aluminium substrate, wherein the adsorption layer contains activated carbon, a manganese oxide, and an acrylic resin having a pH of 3.0 to 6.5.Type: GrantFiled: October 29, 2018Date of Patent: January 17, 2023Assignees: TOYOBO CO., LTD., TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Yusuke Hidaka, Keiko Sakaguchi, Takuya Nakazawa, Kimiko Yoshida, Jun Goto
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Patent number: 11548271Abstract: The invention provides a sealant film that is less likely to adsorb components formed of various types of organic compounds, has excellent heat sealing characteristics at 140° C., while having low heat sealing strength at 100° C. and being less likely for heat sealing layers to adhere to each other even when the film is used as a packaging bag and the content thereof is warmed in boiling water. The sealant film has at least one heat sealing layer consisting of a polyester component, wherein a heat sealing strength of the heat sealing layer being heat sealed to another heat sealing layer at 100° C. and 0.2 MPa for 2 seconds is 0-5 N/15 mm and at 140° C. and 0.2 MPa for 2 seconds is 8-30 N/15 mm, and a film density including all layers is 1.20 or more and less than 1.39.Type: GrantFiled: September 30, 2019Date of Patent: January 10, 2023Assignee: TOYOBO CO., LTD.Inventors: Hiroko Maruyama, Masayuki Haruta, Shintaro Ishimaru
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Publication number: 20230001679Abstract: A polyester-based film comprising at least one layer permitting printing as a result of laser irradiation; wherein not less than 100 ppm but not greater than 3000 ppm of laser-printable metal is present in all layers of the film. The film is capable of being printed in distinct fashion by a laser, excels with respect to unevenness in thickness, and is of high transparency, while at the same time provide packaging which employs such film and on which printing has been directly carried out.Type: ApplicationFiled: October 20, 2020Publication date: January 5, 2023Applicant: TOYOBO CO., LTD.Inventors: Shintaro ISHIMARU, Masayuki HARUTA
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Publication number: 20230002551Abstract: The present invention is to provide a high-quality polyester resin that is produced by using a polymerization catalyst containing an aluminum compound and a phosphorus compound, that can reduce a catalyst cost, for which polymerization activity is high, and in which there is less foreign matter. The polyester resin contains an aluminum compound and a phosphorus compound used as a catalyst, and the amount of aluminum atom contained in the polyester resin is 9 to 20 ppm, the amount of phosphorus atom contained in the polyester resin is 13 to 31 ppm, a mole ratio of the phosphorus atom to the aluminum atom in the polyester resin is 1.32 to 1.80.Type: ApplicationFiled: December 14, 2020Publication date: January 5, 2023Applicant: TOYOBO CO., LTD.Inventors: Satoru NAKAGAWA, Kosuke UOTANI, Shinya KANETAKA
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Publication number: 20230001619Abstract: [Problem] To provide: a biaxially oriented polyester film that exhibits excellent transparency, enables easy secondary processing such as coating and vapor deposition, provides excellent post-secondary-processing properties, and is environmentally friendly in that the film is made from polyester resins recycled from the market and society, including those from PET bottles; and a production method for such a film. [Solution] A biaxially oriented polyester film comprising a polyester resin composition containing particles and polyester resins recycled from the market and society, including those from PET bottles, the film having at least one surface that satisfies all requirements (1)-(3). (1) The number of fine projections having a height less than 3 nm per an area of 4×10-12m2 is 250-600. (2) The number of fine projections having a height not less than 3 nm per an area of 4×10-12m2 is 300-600. (3) The arithmetic average height Sa is 0.01-0.025 ?m.Type: ApplicationFiled: December 8, 2020Publication date: January 5, 2023Applicant: TOYOBO CO., LTD.Inventors: Nobuyuki MANABE, Masayuki HARUTA
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Patent number: 11542380Abstract: According to the present invention, there is provided a foam molded product of thermoplastic polyester elastomer resin which exhibits light weight and excellent rebound resilience. The foam molded product is characterized in that, the foam molded product has a foamed layer consisting of a resin phase and an isolated foamed cell.Type: GrantFiled: June 25, 2018Date of Patent: January 3, 2023Assignee: TOYOBO CO., LTD.Inventors: Eri Morio, Takuya Akaishi
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Patent number: 11543419Abstract: Provided are a measurement sample diluent that enables the measurement of the proportion of HbA1c in the total Hb molecules in a measurement sample (HbA1c (%)), with high sensitivity, high accuracy, and high correlation with HPLC without being affected by the length of time required to mix a measurement sample with the measurement sample diluent and to drop the mixture onto an immunochromatographic specimen for measuring HbA1c; and a kit containing the measurement sample diluent. The present invention relates to a measurement sample diluent for immunochromatography for quantifying the proportion of hemoglobin A1c in the total hemoglobin molecules in a measurement sample (hemoglobin A1c (%)); and the measurement sample diluent is an aqueous solution that contains a non-ionic surfactant, an anionic surfactant, and a buffer.Type: GrantFiled: December 27, 2018Date of Patent: January 3, 2023Assignee: TOYOBO CO., LTD.Inventors: Jun Okamoto, Keizo Yoneda
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Publication number: 20220410546Abstract: The invention provides a laminated body which contains an environmentally friendly recycled material, has a lamination constitution composed of substantially a single resin type mainly composed of polyester and having a low environmental load, and has required performances such as gas barrier properties, sealability, toughness, and transparency required for a packaging material. The laminated body is formed by laminating a polyester substrate film containing 50% by weight or more of a polyester resin recycled from PET bottles and a heat sealable resin layer in this order, wherein the substrate film is a laminated film including an inorganic thin film layer (A) and a protective layer (a) containing a urethane resin on one surface thereof, and the heat sealable resin layer is formed of a polyester-based resin mainly composed of ethylene terephthalate, and has a piercing strength of 10 N or more and a haze of 20% or less.Type: ApplicationFiled: November 25, 2020Publication date: December 29, 2022Applicant: TOYOBO CO., LTD.Inventors: Atsushi YAMAZAKI, Yukihiro NUMATA, Kyoko INAGAKI, Yuya YAMAGUCHI, Shintaro ISHIMARU
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Publication number: 20220411581Abstract: To provide a semi-aromatic polyamide resin composition having excellent good plating properties, low water absorption properties, and solder reflow resistance. A semi-aromatic polyamide resin composition of the present invention comprises: 10 to 200 parts by mass of an inorganic filler (B) and 2 to 30 parts by mass of a toughness improver (C) based on 100 parts by mass of a semi-aromatic polyamide (A), wherein the semi-aromatic polyamide resin (A) satisfies the following (a) and (b): (a) a melting point (Tm) measured by differential scanning calorimetry (DSC) is 280° C. or higher; and (b) an equilibrium water absorption rate at 80° C. and 95% RH is 3.5% or less.Type: ApplicationFiled: November 24, 2020Publication date: December 29, 2022Applicant: TOYOBO CO., LTD.Inventors: Makoto TAMATSUSHIMA, Jun YAMADA, Maki HASEBE
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Publication number: 20220416334Abstract: The present invention provides an adhesive composition that shows good adhesion to a polyolefin resin substrate and a metal substrate, and good electrolyte solution resistance, and also exhibits excellent heat resistance. The present invention also provides a laminate including an adhesive layer comprising the adhesive composition, a packaging material using the laminate for which heat resistance and electrolyte solution resistance are required, and a packaging material for a lithium-ion battery comprising the laminate as a constituent member. The adhesive composition comprises an acid-modified polyolefin (A), an isocyanate curing agent (B), and an acid anhydride group-containing compound (C), the acid anhydride group-containing compound (C) being present in an amount of 0.1 parts by mass or more and 20 parts by mass or less based on 100 parts by mass of the acid-modified polyolefin (A).Type: ApplicationFiled: November 24, 2020Publication date: December 29, 2022Applicant: TOYOBO CO., LTD.Inventors: Motoki FUJIMOTO, Kenji KASHIHARA