Patents Assigned to Tosoh Corporation
  • Publication number: 20240141081
    Abstract: A fluororesin including a residue unit of formula (1) and having a haze value equal to 2% or less of a heat-press molded product (thickness 1 mm) with a small haze value of a melt-molded product and a method for producing the same, Rf1, Rf2, Rf3 and Rf4 each independently represent one of the groups consisting of a fluorine atom, a linear perfluoroalkyl group having 1 to 7 carbon atoms, a branched perfluoroalkyl group having 3 to 7 carbon atoms, and a cyclic perfluoroalkyl group having 3 to 7 carbon atoms, the perfluoroalkyl group may have an ethereal oxygen atom, Rf1, Rf2, Rf3 and Rf4 may be linked to each other to form a ring having 4 or more and 8 or less carbon atoms, and the ring may include an ethereal oxygen atom.
    Type: Application
    Filed: January 8, 2024
    Publication date: May 2, 2024
    Applicant: TOSOH CORPORATION
    Inventors: Kota SAKAGUCHI, Tomoya SHIMONO, Tomonari NAGAI, Kazunari IWANAGA, Shohei YUMINO, Masao TANABIKI, Toru DOI
  • Publication number: 20240140006
    Abstract: A metal member—polyarylene sulfide resin member complex superior in airtightness between the metal member and the polyarylene sulfide (PAS) resin member and a production method therefor, in which the complex comprises a metal member and a PAS member combined together into a one-piece shaped article by injection molding and satisfies conditions 1) and 2) as described, and the PAS resin member contains a PAS resin and a modified ethylene copolymer.
    Type: Application
    Filed: February 8, 2022
    Publication date: May 2, 2024
    Applicant: TOSOH CORPORATION
    Inventors: Takeshi HARUNARI, Naoki YAMANO
  • Publication number: 20240130361
    Abstract: To provide an industrially and environmentally more preferable nonflammable liquid composition having a fluorine compound reduced, as compared to previously known nonflammable liquid compositions. A liquid composition is used, which includes a flammable liquid and a fluoroiodoalkane represented by the following formula (1): (in the formula, X each independently represents H or F, and n represents an integer of from 0 to 5), and which is characterized in that the total amount of the above-mentioned flammable liquid and the above-mentioned fluoroiodoalkane is from 95 to 100 wt % of the entire amount of the above-mentioned liquid composition.
    Type: Application
    Filed: January 20, 2022
    Publication date: April 25, 2024
    Applicant: TOSOH CORPORATION
    Inventors: Yuji OKA, Kosuke KAWABE, Takeshi KANBARA
  • Patent number: 11967493
    Abstract: It is difficult for a Cr—Si-based sintered body composed of chromium silicide (CrSi2) and silicon (Si) to have high strength. Provided is a Cr—Si-based sintered body including Cr (chromium) and silicon (Si), in which the crystal structure attributed by X-ray diffraction is composed of chromium silicide (CrSi2) and silicon (Si), a CrSi2 phase is present at 60 wt % or more in a bulk, a density of the sintered body is 95% or more, and an average grain size of the CrSi2 phase is 60 ?m or less.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: April 23, 2024
    Assignee: TOSOH CORPORATION
    Inventors: Hiroyuki Hara, Hideto Kuramochi, Kenichi Itoh
  • Patent number: 11964916
    Abstract: A layered body, which has a change in texture derived from zirconia, particularly a change in translucency and is suitable as a dental prosthetic member, a precursor thereof, or a method for producing these. The layered body has a structure in which two or more layers containing zirconia containing a stabilizer are layered, the layered body including at least: a first layer containing zirconia having a stabilizer content of higher than or equal to 4 mol %; and a second layer containing zirconia having a stabilizer content different from that of the zirconia contained in the first layer. At least one layer contains one or more elements capable of coloring zirconia.
    Type: Grant
    Filed: November 30, 2022
    Date of Patent: April 23, 2024
    Assignee: TOSOH CORPORATION
    Inventors: Yuki Ushio, Akiko Ito, Sho Azechi, Hiroyuki Fujisaki
  • Publication number: 20240122065
    Abstract: The present invention provides: a metal patterning material which exhibits excellent heat resistance and is suppressed in the formation of a metal thin film on a film surface; an amine compound; a method for forming a metal pattern using these; and an electronic device.
    Type: Application
    Filed: August 11, 2021
    Publication date: April 11, 2024
    Applicant: TOSOH CORPORATION
    Inventors: Naoki MATSUMOTO, Hiroyuki KAWASHIMA, Shintaro NOMURA
  • Publication number: 20240101483
    Abstract: To provide at least one of: a powder composition from which a calcined body with similar processability can be produced without requiring the application of different forming conditions and calcination conditions for each composition; a method for producing the powder composition; a calcined body produced from the powder composition; a method for producing the calcined body; and uses thereof. A powder composition including: two or more types of zirconia in which a lanthanoid rare-earth element is dissolved; a transition metal element other than zirconium and hafnium; and a remainder composed of zirconia stabilized only by one or more selected from the group consisting of yttrium, calcium and magnesium, wherein a different lanthanoid rare-earth element is dissolved in each zirconia in which the lanthanoid rare-earth element is dissolved, and a transition metal element content is 1500 ppm or less.
    Type: Application
    Filed: January 19, 2022
    Publication date: March 28, 2024
    Applicant: TOSOH CORPORATION
    Inventors: Sho AZECHI, Yuki USHIO, Takahiro SHIMIZU, Yuya HIGUCHI, Hitoshi NAGAYAMA, Hiroyuki FUJISAKI, Kenji IMAI, Risa KAWASHIMA
  • Patent number: 11939426
    Abstract: A polycarbonate polyol represented by the following Formula (A-1): [in Formula (A-1), R1 represents a hydrogen atom, an alkyl group or a hydroxyalkyl group, R2 represents an alkanediyl group, n and m each represent an integer of 1 or more; and a plurality of R2's may be the same as or different from each other].
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: March 26, 2024
    Assignee: TOSOH CORPORATION
    Inventors: Kohei Honda, Shinji Shigeyasu, Takahiro Tanaka
  • Patent number: 11936040
    Abstract: To provide electrolytic manganese dioxide excellent in low rate characteristics and middle rate characteristics when used as a cathode material for alkaline manganese dry cells, and a method for its production. Electrolytic manganese dioxide of which the apparent density is at least 4.0 g/cm3 and at most 4.3 g/cm3, and the mode particle size is at least 30 ?m and at most 100 ?m; a method for its production and its application.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: March 19, 2024
    Assignee: TOSOH CORPORATION
    Inventors: Naoto Suzuki, Akinori Eshita
  • Publication number: 20240076426
    Abstract: The present invention relates to resin particles including a residue unit represented by the following general formula (1) and having a volume average particle diameter equal to or more than 5 ?m and equal to or less than 2008 ?m, and a method for producing thereof. Fruthermore the present invention relates to a fluororesin comprising a residue unit represented by a general formula (1) and having a weight average molecular weight Mw in a range of 5×104 to 3×105, and a yellow index of a heat-melted molded product (thickness 3 mm) after 24 h at 280° C. of equal to or less than 6, and a method for producing thereof. In the formula (1), Rf1, Rf2, Rf3, and Rf4 are each independently one of the groups consisting of a fluorine atom, a linear perfluoroalkyl group having 1 to 7 carbon atoms, a branched perfluoroalkyl group having 3 to 7 carbon atoms, or a cyclic perfluoroalkyl group having 3 to 7 carbon atoms. The perfluoroalkyl group may have an ethereal oxygen atom.
    Type: Application
    Filed: September 21, 2023
    Publication date: March 7, 2024
    Applicant: TOSOH CORPORATION
    Inventors: Shohei YUMINO, Tomoya SHIMONO, Kota SAKAGUCHI, Tomonari NAGAI, Kazunari IWANAGA, Masao TANABIKI, Toru DOI
  • Patent number: 11911742
    Abstract: A hydrocarbon adsorbent having high hydrocarbon adsorbing properties even after exposed to a high temperature/high humidity reducing atmosphere, includes a FAU type zeolite having in ESR measurement a spin concentration of a least 1.0×10{circumflex over (?)}19 (spins/g) and a ratio of a peak intensity at a magnetic field of at least 260 mT and at most 270 mT to a peak intensity at a magnetic field of at least 300 mT and at most 320 mT of at least 0.25 and at most 0.50 ? and containing bivalent copper. The hydrocarbon adsorbent may be used for a method for adsorbing hydrocarbons to be exposed to a high temperature/high humidity environment, and may be used particularly for a method for adsorbing hydrocarbons in an exhaust gas of an internal combustion engine, such as an automobile exhaust gas.
    Type: Grant
    Filed: April 4, 2023
    Date of Patent: February 27, 2024
    Assignee: TOSOH CORPORATION
    Inventors: Keita Nakao, Ryo Mitsuhashi
  • Patent number: 11913955
    Abstract: The present invention provides a method for detecting cancer in a simple and highly accurate manner, and a reagent that can be used in the method. According to the present invention, cancer (excluding castration-resistant prostate cancer) is detected by measuring the intact growth and differentiation factor (GDF15) propeptide level, the GDF15 propeptide fragment level, or the total of the intact GDF15 propeptide level and the GDF15 propeptide fragment level, in a sample. The above described method for detecting cancer includes a method for detecting one or more selected from the group consisting of stomach cancer, pancreatic cancer, colorectal cancer, lung cancer, breast cancer and esophageal cancer, and a method for distinguishing and detecting non-small cell lung cancer and small cell lung cancer. Further, a reagent for detecting cancer includes an antibody that specifically recognizes GDF15 propeptide.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: February 27, 2024
    Assignee: TOSOH CORPORATION
    Inventors: Shohei Myoba, Norihisa Ohtake
  • Publication number: 20240059809
    Abstract: The present invention relates to resin particles including a residue unit represented by the following general formula (1) and having a volume average particle diameter equal to or more than 5 ?m and equal to or less than 2000 ?m, and a method for producing thereof. Furthermore the present invention relates to a fluororesin comprising a residue unit represented by a general formula (1) and having a weight average molecular weight Mw in a range of 5×104 to 3×105, and a yellow index of a heat-melted molded product (thickness 3 mm) after 24 h at 280° C. of equal to or less than 6, and a method for producing thereof. In the formula (1), Rf1, Rf2, Rf3, and Rf4 are each independently one of the groups consisting of a fluorine atom, a linear perfluoroalkyl group having 1 to 7 carbon atoms, a branched perfluoroalkyl group having 3 to 7 carbon atoms, or a cyclic perfluoroalkyl group having 3 to 7 carbon atoms. The perfluoroalkyl group may have an ethereal oxygen atom.
    Type: Application
    Filed: September 21, 2023
    Publication date: February 22, 2024
    Applicant: TOSOH CORPORATION
    Inventors: Shohei YUMINO, Tomoya SHIMONO, Kota SAKAGUCHI, Tomonari NAGAI, Kazunari IWANAGA, Masao TANABIKI, Toru DOI
  • Publication number: 20240053363
    Abstract: An object of the present invention is to provide a biomarker that enables selection of an embryo having a high rate of implantation and pregnancy, that is, an embryo having high fertility, from embryos obtained through embryo culture after in vitro fertilization in infertility treatment, and a criterion therefor. Provided is a criterion that enables identification of an ovum suitable for implantation and pregnancy based on measurement of the concentration of soluble CD163 which is present in follicular fluid collected at the same time as an ovum in ovum pick up in infertility treatment, or which is present in serum immediately before the ovum pick up.
    Type: Application
    Filed: December 13, 2021
    Publication date: February 15, 2024
    Applicants: PUBLIC UNIVERSITY CORPORATION YOKOHAMA CITY UNIVERSITY, TOSOH CORPORATION
    Inventors: Etsuko MIYAGI, Mariko MURASE, Tomonari HAYAMA, Akihide RYO, Yayoi HORIUCHI, Hiroki KOBORI, Norihisa OHTAKE
  • Patent number: 11884799
    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: Grant
    Filed: September 6, 2019
    Date of Patent: January 30, 2024
    Assignee: TOSOH CORPORATION
    Inventors: Hideyasu Nakao, Yoshiyuki Moro
  • Publication number: 20240001334
    Abstract: The present application provides a material for efficiently removing active hydrogen-containing compounds such as alcohol compounds. The present application uses an active hydrogen-containing organic compound scavenger having a bromine content of from 38 to 78 wt % represented by the formula (1) (wherein R1 and R2 each independently represent a hydrogen atom or a C1-4 alkyl group, each R3 independently represents a hydrogen atom, a C1-4 alkyl group or a bromine atom, m represents at least one selected from the group consisting of 0, 1, 2 and 3, and n represents a real number of 0 or more) (wherein the isocyanate compound may be a single species or a mixture of two or more species, and in the case of a mixture, n represents an average n of the mixture).
    Type: Application
    Filed: December 2, 2021
    Publication date: January 4, 2024
    Applicant: TOSOH CORPORATION
    Inventors: Takanori MIYAZAKI, Tomohiro ARITA, Takeshi OKADA, Takeshi KANBARA
  • Publication number: 20230416690
    Abstract: A method for manufacturing a cell mass adherently cultured on a cell culture substrate, in which the cell culture substrate comprises two regions (A) and (B), and the method comprising steps (1) to (3): (A) an island-shaped region having a cell proliferation property and an area of 0.001 to 1 mm2; and (B) a region adjacent to the region (A) and having no cell proliferation properties, (1) a step of preparing a cell suspension comprising a mesenchymal cell and an ectoderm-derived cell; (2) a step of bringing the cell suspension into contact with the cell culture substrate, and randomly adhering the two types of cells to the region (A), and in which, on the contact surface between the cell suspension and the cell culture substrate, a total number of cells of the two types of cells is 100 to 100,000 cells/cm2; and (3) a step of culturing the cell adhered to the region (A) and forming a cell mass comprising the two types of cells.
    Type: Application
    Filed: November 25, 2021
    Publication date: December 28, 2023
    Applicant: TOSOH CORPORATION
    Inventor: Goshi KUNO
  • Patent number: 11840522
    Abstract: A method of stabilizing perfluoro(2-methylene-4-methyl-1,3-dioxolane) (hereinafter simply referred to as a “stabilization method”), including incorporating at least one selected from the group consisting of a hydroxy group-containing fluoroaromatic compound represented by General Formula (1) below and a hydroxy group-containing fluoroaromatic compound represented by General Formula (2) below into a composition containing perfluoro(2-methylene-4-methyl-1,3-dioxolane): (in the formula, R1 to R6 each independently represent one selected from the group consisting of a fluorine atom, a perfluoroalkyl group and a hydroxy group, and at least one of R1 to R6 is a hydroxy group); (in the formula, R7 to R14 each independently represent one selected from the group consisting of a fluorine atom, a perfluoroalkyl group and a hydroxy group, and at least one of R7 to R14 is a hydroxy group).
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: December 12, 2023
    Assignees: TOSOH CORPORATION, TOSOH FINECHEM CORPORATION
    Inventors: Hideki Miyauchi, Shota Nishida, Daisuke Inoue, Yusuke Shigeta, Norihisa Kondo, Makoto Watanabe, Shohei Yumino, Tomoya Shimono
  • Publication number: 20230391674
    Abstract: A sintered body comprises zirconia including a stabilizer element dissolved therein and a lanthanoid element dissolved therein, the lanthanoid element having an ionic radius larger than the atomic radius of zirconium. The content of monoclinic zirconia after a hydrothermal treatment at 140° C. for 24 hours is less than 25%. The sintered body includes a spinel compound including aluminum and a coloring element.
    Type: Application
    Filed: May 26, 2023
    Publication date: December 7, 2023
    Applicant: TOSOH CORPORATION
    Inventors: Hitoshi NAGAYAMA, Hajime FUNAKOSHI, Satoshi TSUCHIYA
  • Patent number: 11839158
    Abstract: Provided is a silicide-based alloy material with which environmental load can be reduced and high thermoelectric conversion performance can be obtained. Provided is a silicide-based alloy material including silicon and ruthenium as main components, in which when the contents of silicon and ruthenium are denoted by Si and Ru, respectively, the atomic ratio of the devices constituting the alloy material satisfies the following: 45 atm %?Si/(Ru+Si)?70 atm % 30 atm %?Ru/(Ru+Si)?55 atm %.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: December 5, 2023
    Assignee: TOSOH CORPORATION
    Inventors: Yoichiro Koda, Ryo Akiike, Hideto Kuramochi