Patents Assigned to Tosoh Corporation
  • Patent number: 11065597
    Abstract: A xenon adsorbent capable of efficiently adsorbing xenon, even at a low concentration, from a mixture gas is Provided. A xenon adsorbent comprising a zeolite having a pore size in the range of 3.5 to 5 ? and a silica alumina molar ratio in the range of 10 to 30.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: July 20, 2021
    Assignee: TOSOH CORPORATION
    Inventors: Shigeru Hirano, Keisuke Tokunaga, Hiroshi Okaniwa, Megu Fukui
  • Publication number: 20210214332
    Abstract: Provided is a method of manufacturing a trifluoropyruvyl fluoride dimer, including a reaction step of reacting hexafluoropropylene oxide and aldehyde.
    Type: Application
    Filed: September 3, 2019
    Publication date: July 15, 2021
    Applicants: TOSOH CORPORATION, TOSOH FINECHEM CORPORATION
    Inventors: Hideki MIYAUCHI, Hiroshi MATSUO, Takumi KAGAWA, Norihisa KONDO, Hideyuki MIMURA
  • Publication number: 20210214538
    Abstract: A polyethylene resin composition comprising from 50 to 89 parts by weight of a linear low density polyethylene (A) having specific physical properties, from 10 to 40 parts by weight of a high density polyethylene (B) having specific physical properties, and from 1 to 20 parts by weight of a high pressure low density polyethylene (C) having specific physical properties (the total amount of (A), (B) and (C) is 100 parts by weight), and having MFR of from 3.0 to 9.0 g/10 min, is excellent in heat resistance, flexibility, barrier property and cleanness (low particle property), will not deform even after sterilization at 121° C., maintains high transparency and is excellent in processability in water cooling blown-film extrusion, and a medical container using it.
    Type: Application
    Filed: September 6, 2019
    Publication date: July 15, 2021
    Applicant: TOSOH CORPORATION
    Inventors: Hideyasu NAKAO, Yoshiyuki MORO
  • Patent number: 11059932
    Abstract: To provide a catalyst composition to obtain a flexible polyurethane foam from which substantially no amine compound is discharged and which has sufficient resistance to compressive strain, and a method for producing a flexible polyurethane foam using the catalyst composition. A polyurethane foam is produced by using a catalyst composition for producing a polyurethane foam, which comprises an amine compound represented by the following formula (1) and at least one glycol selected from the group consisting of ethylene glycol and polyethylene glycol, provided that when the compound of the formula (1) has enantiomers, diastereomers or geometric isomers, both a mixture thereof and isolated isomers are included: wherein R1, R2, R3 and R4 are each independently a hydrogen atom, a C1-4 alkyl group, a hydroxy group, a hydroxymethyl group or a C1-4 alkoxy group, and m is an integer of 1 or 2.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: July 13, 2021
    Assignee: TOSOH CORPORATION
    Inventors: Yusuke Sesoko, Hiroyuki Kiso
  • Patent number: 11053343
    Abstract: Provided is a thermoplastic resin composition which has improved ultraviolet absorbing capability, mechanical characteristics, hydrolysis resistance, transparency, and blooming resistance and is used for protecting an article used outdoors from ultraviolet light. A problem is solved by a thermoplastic polyurethane resin composition which is a reaction product of an isocyanate component (A1) containing an aliphatic polyisocyanate, a chain extender (A2), and a polyol component (A3) containing a polycarbonate diol having a side-chain alkyl group and contains an ultraviolet absorber (B1) having a benzotriazole skeleton, an ultraviolet absorber (B2) having a maximum absorption wavelength in a range from greater than or equal to 250 nm to less than or equal to 290 nm and having a triazine skeleton, a hindered amine light stabilizer (C), and an antioxidant (D).
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: July 6, 2021
    Assignee: TOSOH CORPORATION
    Inventors: Kazuhiro Koide, Hiroei Yokota
  • Patent number: 11046803
    Abstract: The present invention addresses the problem of providing a block copolymer which is useful as a surface treatment agent for cell culture substrates, said surface treatment agent enabling cell separation in a short period of time. The above-mentioned problem is solved by a block copolymer that includes the following blocks (A), (B) and (C): (A) a temperature-responsive polymer block that has a lower critical solution temperature (LCST) within the range of from 0° C. to 50° C. with respect to water (B) a hydrophilic polymer block that does not have an LCST within the range of from 0° C. to 50° C., while having an HLB value within the range of from 9 (inclusive) to 20 (exclusive) (C) a hydrophobic polymer block that does not have an LCST within the range of from 0° C. to 50° C., while having an HLB value within the range of from 0 (inclusive) to 9 (exclusive).
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: June 29, 2021
    Assignee: TOSOH CORPORATION
    Inventors: Yukie Maejima, Satoru Kondou, Shinya Imatomi, Satoru Yamada, Hiroyuki Ito
  • Publication number: 20210190786
    Abstract: The present invention aims to provide a method for simply and highly accurately detecting castration-resistant prostate cancer (CRPC), and a reagent that can be used for this method. By measuring the level of GDF15 propeptide present in a sample as a novel detection marker for CRPC, acquisition of castration resistance in a prostate cancer patient during or after endocrine therapy is detected. An antibody that specifically recognizes GDF15 propeptide is included in the CRPC detection reagent.
    Type: Application
    Filed: February 23, 2017
    Publication date: June 24, 2021
    Applicants: PUBLIC UNIVERSITY CORPORATION YOKOHAMA CITY UNIVERSITY, TOSOH CORPORATION
    Inventors: Noriaki ARAKAWA, Hisashi HIRANO, Hiroji UEMURA, Yusuke ITO, Shohei MYOBA, Norihisa OHTAKE
  • Publication number: 20210163300
    Abstract: The present disclosure relates to a partial oxidation catalyst that causes a light hydrocarbon partial oxidation reaction to proceed readily with high activity and high selectivity and a high-yield carbon monoxide production method using the same. The present disclosure further relates to a light hydrocarbon partial oxidation catalyst containing a zeolite supporting cobalt and rhodium.
    Type: Application
    Filed: March 25, 2019
    Publication date: June 3, 2021
    Applicants: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, TOSOH CORPORATION
    Inventors: Atsushi FUKUOKA, Hirokazu KOBAYASHI, Sae SOMEYA
  • Patent number: 11021401
    Abstract: Provided are a zirconia sintered body capable of being widely used as a dental material, in particular, a zirconia sintered body capable of being applied to both a dental material for a back tooth and a dental material for a front tooth and a simple and easy method for manufacturing the zirconia sintered body. The method for manufacturing a zirconia sintered body includes a molding step of molding a powder composition that has an yttria content of more than 3% by mole and 5.2% by mole or less and that contains a first zirconia powder having an yttria content of 2% by mole or more and 4% by mole or less and a second zirconia powder having an yttria content of more than 4% by mole and 6% by mole or less to obtain a green body, and a sintering step of sintering the green body to obtain a sintered body.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: June 1, 2021
    Assignee: TOSOH CORPORATION
    Inventors: Kiyotaka Kawamura, Akiko Ito, Hiroyuki Fujisaki, Sho Azechi
  • Publication number: 20210139328
    Abstract: Provided are gallium nitride particles that have a low oxygen content and a high moldability and allow a gallium nitride sputtering target having a high density and a high strength to be produced. By causing a mixed powder of gallium oxide and gallium nitride to react at a temperature of 1000-1100° C. such that an ammonia reaction amount per hour is 1 or more times (by mole) an amount of gallium charged, gallium nitride particles are obtained of which an oxygen content is 1 atm % or less, an average particle size of primary particles is 5 ?m or more, and a particle size of a range of 10 area % from smallest particles of a particle size distribution (10% particle size) is 3 ?m or less.
    Type: Application
    Filed: June 14, 2018
    Publication date: May 13, 2021
    Applicant: TOSOH CORPORATION
    Inventors: Masami MESUDA, Hideto KURAMOCHI
  • Publication number: 20210135115
    Abstract: Provided is a resin which is excellent in terms of solubility in common solvents, crosslinking temperature, time required for crosslinking, solvent resistance (cracking resistance), breakdown voltage, leakage current, solvent wettability, and planarity in cases where the resin is formed into a thin film. A resin which comprises repeating units represented by formula (1) and formula (2), and wherein the repeating unit represented by formula (2) is contained in an amount of 20% by mole or more relative to the total amount of the repeating units represented by formula (1) and formula (2).
    Type: Application
    Filed: March 9, 2018
    Publication date: May 6, 2021
    Applicant: TOSOH CORPORATION
    Inventors: Hiroshi YAMAKAWA, Shinya OKU, Shohei YUMINO, Junghwi LEE, Fumiaki KATAGIRI
  • Publication number: 20210123151
    Abstract: A manganese oxide, a manganese oxide/carbon mixture and a manganese oxide composite electrode material, having high catalytic activity produced at low cost, to be used as an anode catalyst for oxygen evolution in water electrolysis, and their production methods, are provided. A manganese oxide for an oxygen evolution electrode catalyst in water electrolysis is provided, which is a manganese oxide having a metallic valence of higher than 3.0 and at most 4.0, having an average primary particle size of at most 80 nm and an average secondary particle size of at most 25 ?m, a manganese oxide/carbon mixture for an oxygen evolution electrode catalyst in water electrolysis, having a proportion of manganese oxide to the total of the manganese oxide and electrically conductive carbon of from 0.5 to 40 wt %, and a manganese oxide composite electrode material which includes an electrically conductive substrate constituted by fibers.
    Type: Application
    Filed: December 12, 2018
    Publication date: April 29, 2021
    Applicants: RIKEN, TOSOH CORPORATION
    Inventors: Ryuhei NAKAMURA, Toru HAYASHI, Nadege BONNET, Kazumasa SUETSUGU, Kazuyuki CHIBA
  • Patent number: 10988494
    Abstract: To provide europium complexes having high photostability.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: April 27, 2021
    Assignees: TOSOH CORPORATION, SAGAMI CHEMICAL RESEARCH INSTITUTE
    Inventors: Keisuke Araki, Hiroya Honda, Naoyuki Koiso, Ryo Nakagame, Fumiaki Yoshitomi, Kohei Iwanaga, Taishi Furukawa
  • Publication number: 20210116445
    Abstract: An object of the present invention is to provide a method for detecting the presence or absence of a disease, the risk of developing a disease, the degree of progression of a disease and/or the degree of progression of aging, in a subject. The present invention achieves the above described object by a method including the following steps (a) to (c): (a) adding a solution containing an antibody obtained from a subject to a column filled with an insoluble carrier on which an Fc-binding protein is immobilized, to allow the antibody to be adsorbed on the carrier; (b) eluting the antibody adsorbed on the carrier using an eluent, to obtain data of a separation pattern of the antibody; and (c) detecting the presence or absence of a disease, the risk of developing a disease, the degree of progression of a disease and/or the degree of progression of aging, in the subject, using the data as an indicator.
    Type: Application
    Filed: June 18, 2019
    Publication date: April 22, 2021
    Applicant: TOSOH CORPORATION
    Inventors: Yosuke TERAO, Yasuyuki AKIYAMA, Satoshi ENDO, Ryoko WATANABE
  • Publication number: 20210101838
    Abstract: A zirconia sintered body is provided and includes yttria and zirconia, containing yttria by a content ranging from 4.5 mol % or more to 6.5 mol % or less and zirconia as the remainder, the total light transmittance of a 1-mm thick sample measured in compliance with JIS K 7361-1 being 46.5% or higher, the three-point bending strength being 700 MPa or higher, and a ratio of an integrated value for the total light transmittance to an integrated value for the parallel light transmittance of a 1-mm thick sample measured at the measurement wavelength ranging from 400 to 700 nm being 1.3% or less.
    Type: Application
    Filed: September 30, 2020
    Publication date: April 8, 2021
    Applicant: TOSOH CORPORATION
    Inventors: Akiko ITO, Ayako WATANABE, Sho AZECHI, Hitoshi NAGAYAMA, Hiroyuki FUJISAKI
  • Patent number: 10953390
    Abstract: A CHA-type zeolite has a molar ratio of silica to alumina of 10.0 or more and less than 20.0 and a molar ratio of silanol groups to silicon of 0.15×10?2 or more and 0.50×10?2 or less, a molar ratio of silica to alumina of 20.0 or more and 35.0 or less and a molar ratio of silanol groups to silicon of 0.15×10?2 or more and 1.10×10?2 or less, a molar ratio of silica to alumina of more than 35.0 and 45.0 or less and a molar ratio of silanol groups to silicon of 0.15×10?2 or more and 1.65×10?2 or less, or a molar ratio of silica to alumina of more than 45.0 and 55.0 or less and a molar ratio of silanol groups to silicon of 0.15×10?2 or more and 1.80×10?2 or less.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: March 23, 2021
    Assignee: TOSOH CORPORATION
    Inventors: Seiji Maehama, Hidekazu Aoyama, Satoshi Nakamura
  • Patent number: 10953642
    Abstract: To provide a laminate excellent in the oil resistance without using a polypropylene film for the innermost layer of a packaging material. A laminate comprising at least three layers (A), (B) and (C) in this order, wherein the layer (A) is composed of a polyolefin which satisfies the following requirements (a) to (c), the layer (B) is composed of an adhesive which satisfies the following requirements (d) to (f), and the layer (C) is a substrate comprising at least one layer: (a) density of from 900 to 970 kg/m3, (b) MFR of from 2 to 30 g/10 min, (c) film thickness of from 5 to 25 ?m, (d) film thickness of from 0.01 to 3.0 ?m, (e) glass transition temperature of from ?30 to +10° C., and (f) storage modulus E? at 20° C. of from 1.0×106 to 2.5×107 Pa.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: March 23, 2021
    Assignee: TOSOH CORPORATION
    Inventors: Daisuke Kawato, Shingo Kouda, Shigeki Iwamoto
  • Publication number: 20210069686
    Abstract: Provided is a ?-zeolite that has an SiO2/Al2O3 ratio of less than 20 but yet is comparable or superior in heat resistance to conventional ?-zeolites having SiO2/Al2O3 ratio of 20 or greater. This ?-zeolite is characterized in that: in powder X-ray diffractometry using a CuK?-ray as a ray source, the full width at half maximum of a powder X-ray diffraction peak on the (302) plane is 0.15-0.50 inclusive; and the molar ratio of silica to alumina is less than 20.0. Preferably, the ?-zeolite is obtained by a production method which comprises a crystallization step for crystallizing a composition comprising an alumina source, a silica source, an alkali source, a tetraethylammonium cation source and water, characterized in that the composition contains potassium and the molar ratio of potassium to silica exceeds 0.04.
    Type: Application
    Filed: December 12, 2018
    Publication date: March 11, 2021
    Applicant: TOSOH CORPORATION
    Inventors: Ning CHEN, Yusuke NARAKI
  • Publication number: 20210061717
    Abstract: A zirconia sintered body that includes a transparent zirconia portion and an opaque zirconia portion has a biaxial bending strength of 300 MPa or more. In addition, the opaque zirconia portion is configured by an opaque zirconia sintered body that is any one of a dark-colored zirconia sintered body, a medium-light-colored zirconia sintered body, and a light-colored zirconia sintered body.
    Type: Application
    Filed: September 2, 2020
    Publication date: March 4, 2021
    Applicant: TOSOH CORPORATION
    Inventors: Takeshi ITO, Yuji MATSUMURA, Isao YAMASHITA
  • Patent number: 10927084
    Abstract: To provide a friction-reducing agent containing no sulfur nor phosphorus and being excellent in friction-reducing properties, and a lubricating oil composition using it. An alkanolamine represented by the following formula is used as a friction-reducing agent: wherein A1 and A2 are each independently a hydroxy group or a hydrogen atom, provided that A1 and A2 are not hydrogen atoms at the same time, R1 is a hydrocarbon group having at most 30 carbon atoms, R2 to R6 are each independently a hydrogen atom or a hydrocarbon group having at most 30 carbon atoms, and m and n are each independently an integer of from 0 to 10.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: February 23, 2021
    Assignee: TOSOH CORPORATION
    Inventors: Arimitsu Takemoto, Hiroshi Awano, Hisao Eguchi, Manabu Yanase