Patents Assigned to Sanyo Chemical Industries, Ltd.
  • Publication number: 20220364013
    Abstract: The present invention aims to provide a viscosity index improver composition and a lubricating oil composition having a low HTHS viscosity at 100° C., an excellent shear stability, and an excellent low temperature viscosity.
    Type: Application
    Filed: June 15, 2020
    Publication date: November 17, 2022
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Ryota SATO, Hiroki YAMASHITA, Kazunori YOSHIDA
  • Patent number: 11430973
    Abstract: The present invention provides a viscous adhesive capable of retaining the shape of an electrode and allowing for production of an electrode for a lithium-ion battery having a structure in which the energy density of the electrode does not decrease. The present invention relates to a viscous adhesive for a lithium-ion electrode which allows active materials to adhere to each other in a lithium-ion electrode, the viscous adhesive having a glass transition temperature of 60° C. or lower, a solubility parameter of 8 to 13 (cal/cm3)1/2, and a storage shear modulus and a loss shear modulus of 2.0×103 to 5.0×107 Pa as measured in a frequency range of 10?1 to 101 Hz at 20° C.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: August 30, 2022
    Assignee: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Tomoya Ohta, Kotaro Nasu, Kenichi Kawakita, Takuya Suenaga, Yusuke Mori, Yasuhiko Ohsawa, Yuki Kusachi, Hajime Satou, Hiroshi Akama, Hideaki Horie
  • Patent number: 11424078
    Abstract: An electrolytic solution for an electrolytic capacitor comprising an electrolyte and a solvent, in which the electrolyte contains an anion and a cation, and the anion is an anion having a structure obtained by removing at least one hydrogen ion from a carboxy group from a copolymer having a carboxy group, the copolymer having a carboxy group has a substituent having 5-20 carbon atoms bonded to a carbon atom of a backbone of the copolymer, the copolymer having a carboxy group does not include a hydroxy group or if it does include a hydroxy group, the content of monomers including a hydroxy group in the structural monomers of the copolymer having a carboxy group is less than 60 wt % based on the weight of all monomers constituting the copolymer having a carboxy group, and the copolymer satisfies a specific condition, and the solvent contains ethylene glycol.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: August 23, 2022
    Assignee: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Fumiyuki Tanabe, Takahiro Shiba, Kengo Uchihashi
  • Publication number: 20220259584
    Abstract: A magnetic particle composition (e) containing magnetic particles (c) and a chaotropic salt (D), the magnetic particles (c) each including a core particle (P) that is a magnetic silica particle containing a magnetic metal oxide particle (A), wherein the magnetic metal oxide particle (A) in the core particle (P) has a weight percentage of 60 wt % or more based on the weight of the core particle (P), and the magnetic particles (c) have a particle size distribution with a coefficient of variation of 5 to 50%.
    Type: Application
    Filed: September 8, 2020
    Publication date: August 18, 2022
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Masumi UEDA, Kohei SAKUMA, Yuya TANAKA
  • Patent number: 11414514
    Abstract: The present invention aims to provide a method of producing a polyether polyol having a low aldehyde content, the method including simpler steps; and a method of producing polyurethane foam having a reduced amount of aldehyde volatilization. The present invention provides a method of producing a polyether polyol (F) including step (1) of obtaining a crude polyether polyol composition (D2) having a pH higher than 5.0 by contact of a crude polyether polyol composition (D1) containing a polyether polyol (A) with an acid catalyst (B) in the presence of water, the polyether polyol (A) being obtainable by ring-opening polymerization of an alkylene oxide with an active hydrogen compound; and step (2) of removing a volatile component containing an aldehyde (C) after step (1).
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: August 16, 2022
    Assignee: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Erika Nobukuni, Takashi Yabuta
  • Publication number: 20220212165
    Abstract: Provided is a method for efficiently producing recycled water-absorbing resin particles from, as a raw material, discarded water-absorbing resin particles derived from used sanitary supplies, etc., the recycled water-absorbing resin particles having decreased little in absorption property and having various excellent properties. The method for producing water-absorbing resin particles of the present invention comprises a polymerization step (I) in which an aqueous gel containing a crosslinked polymer (A) of a water-soluble vinyl monomer (a1) is obtained, a gel reduction step (II) in which the aqueous gel is reduced into particles to obtain aqueous-gel particles, a step (Va) in which resin particles including the crosslinked polymer (A) and obtained from the aqueous-gel particles are mixed with a surface-crosslinking agent (d), and a reaction step (Vb) in which the surface-crosslinking agent (d) is reacted.
    Type: Application
    Filed: March 10, 2020
    Publication date: July 7, 2022
    Applicant: Sanyo Chemical Industries, Ltd.
    Inventors: Eiji Morita, Toru Miyajima, Kazumitsu Suzuki
  • Patent number: 11377623
    Abstract: A surfactant (a) having a critical micelle concentration (CMC) of 0.10 g/L or lower, represented by formula (1): R1—[—O-(A1O)n—H]m (1), wherein R1 is a C7-C20 hydrocarbon group having a valence number of m; m is an integer of 2 to 6; A1 in (A1O)n in each of [—O-(A1O)n—H]m is each independently a C2-C4 alkylene group; n in [—O-(A1O)n—H]m is each independently an integer of 1 to 100; and the sum of n in [—O-(A1O)n—H]m is 13 or greater.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: July 5, 2022
    Assignee: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yusuke Araki, Yoshiyuki Wakahara
  • Publication number: 20220185939
    Abstract: The present invention aims to provide a polyol composition capable of producing a flexible polyurethane foam having excellent low resilience at room temperature and good breathability. The present invention provides a polyol composition (C) for producing flexible polyurethane foam, containing a polyester polyol (A) and a polyether polyol (B), wherein the followings (1) to (4) are satisfied: (1) the polyol composition (C) has an ester group concentration of 0.4 to 4.
    Type: Application
    Filed: February 20, 2020
    Publication date: June 16, 2022
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Takuma TAHARA, Tomohisa HIRANO, Tomo SATO
  • Patent number: 11355794
    Abstract: The present disclosure provides a secondary battery module capable of optically transmitting measurement data on characteristics of cells forming a battery pack and further reducing a complicated procedure of wiring. The secondary battery module of the present disclosure includes: a battery pack in which a plurality of cell units are connected, each of the cell units including a cell and a light-emitting unit, the cell including a stacked unit and an electrolyte, the light-emitting unit being configured to measure characteristics of the cell and generate an optical signal according to the characteristics; and an optical waveguide into which an optical signal is introduced from the light-emitting unit of each of the cell units, wherein the number of optical waveguides is less than the number of optical signals, and the optical waveguide provides a common optical path through which optical signals are propagated from the light-emitting units provided in the battery pack.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: June 7, 2022
    Assignees: SANYO CHEMICAL INDUSTRIES, LTD., APB CORPORATION
    Inventors: Yohji Kawasaki, Yusuke Mizuno, Hideaki Horie
  • Patent number: 11322732
    Abstract: The present invention aims to provide an electrode for lithium ion batteries which exhibits excellent electrical conductivity even if its thickness is large. The electrode for lithium ion batteries of the present invention includes a first main surface to be located adjacent to a separator of a lithium ion battery and a second main surface to be located adjacent to a current collector of the lithium ion battery. The electrode has a thickness of 150 to 5000 ?m. The electrode contains, between the first main surface and the second main surface, a conductive member (A) made of an electronically conductive material and a large number of active material particles (B). At least part of the conductive member (A) forms a conductive path that electrically connects the first main surface to the second main surface. The conductive path is in contact with the active material particles (B) around the conductive path.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: May 3, 2022
    Assignees: SANYO CHEMICAL INDUSTRIES, LTD., NISSAN MOTOR CO., LTD.
    Inventors: Yusuke Mizuno, Yasuhiro Shindo, Yasuhiro Tsudo, Kenichi Kawakita, Yuki Kusachi, Yasuhiko Ohsawa, Hajime Satou, Hiroshi Akama, Hideaki Horie
  • Patent number: 11316163
    Abstract: The present invention provides a dispersant for carbon materials, the dispersant containing a copolymer having a nitrogen-containing group, wherein the copolymer has a nitrogen content of 0.01 wt % or more and 5 wt % or less and the copolymer has an SP value of 8.0 to 12 (cal/cm3)1/2.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: April 26, 2022
    Assignee: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Tomonobu Ishida, Koichi Mori, Kohei Yamamoto
  • Patent number: 11309136
    Abstract: The purpose of the present invention is to provide an electrolyte solution for an electrolytic capacitor which has high withstand voltage. The electrolyte solution for an electrolytic capacitor that is used contains: an organic solvent; an acrylic polymer which has hydroxy group and/or carboxy group; and an electrolyte. A concentration of hydroxy groups included in the organic solvent is 10 mmol/g or less with respect to the weight of the organic solvent.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: April 19, 2022
    Assignee: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Fumiyuki Tanabe, Takahiro Shiba, Yoshihiko Akazawa, Takao Mukai
  • Patent number: 11299587
    Abstract: The present invention provides a raw material for bulk drugs and a pharmaceutical additive which provide excellent formulation stability and excellent over-time stability of drug efficacy when used to modify a bulk drug, a polypeptide, a bioactive protein, an enzyme, and the like. The present invention relates to a raw material for bulk drugs or a pharmaceutical additive, containing: a polyether composition (A) represented by formula (1), wherein the polyether composition (A) has a unimodal molecular weight distribution, the polyether composition (A) has a ratio (Mw/Mn) of the weight average molecular weight (Mw) to the number average molecular weight (Mn) of 1.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: April 12, 2022
    Assignee: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Shihei Motofuji, Kenichiro Nakai, Kyosuke Michigami, Itsuka Matsumoto
  • Patent number: 11289705
    Abstract: The present invention provides a dispersant for carbon materials, the dispersant containing a copolymer having a nitrogen-containing group, wherein the copolymer has a nitrogen content of 0.01 wt % or more and 5 wt % or less and the copolymer has an SP value of 8.0 to 12 (cal/cm3)1/2.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: March 29, 2022
    Assignee: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Tomonobu Ishida, Koichi Mori, Kohei Yamamoto
  • Publication number: 20220089922
    Abstract: The present invention aims to provide a two-component curable urethane adhesive that is easy to handle while it is substantially solvent-free, having weak to strong adhesive properties, and being capable of forming a cured film having excellent physical properties.
    Type: Application
    Filed: December 9, 2019
    Publication date: March 24, 2022
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yuko NARUTAKI, Tetsuya SHIMADA, Yuuki TANAKA
  • Patent number: 11283066
    Abstract: An object of the present invention is to provide a negative electrode active material capable of reducing the irreversible capacity of a lithium ion battery. The present invention provides a coated negative electrode active material for lithium ion batteries wherein at least a portion of the surface of a particulate negative electrode active material for lithium ion batteries is coated with a coating agent and the coated negative electrode active material is doped with at least one of lithium and lithium ions.
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: March 22, 2022
    Assignee: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yusuke Mizuno, Takahiro Imaishi, Kenichi Kawakita, Yuki Kusachi, Hiroshi Akama, Hideaki Horie
  • Publication number: 20220040386
    Abstract: The present invention aims to provide a cervical canal sealant that can be used as a sealant to stop bleeding in the uterus and vaginal discharge, particularly, a cervical canal sealant that can block the cervical canal to inhibit amniotic fluid leakage and that can also be peeled off without damaging reproductive tissue. The present invention relates to a sealant for reproductive organs in which a cured product (X) at 25° C. has a storage modulus G? of 200 to 2,000 kPa, the cured product (X) being a cured product obtained by curing the sealant for reproductive organs to a thickness of 120 to 150 ?m.
    Type: Application
    Filed: October 26, 2021
    Publication date: February 10, 2022
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Eiji KONDO, Hiroaki MAEDA, Shingo KAWABATA
  • Patent number: 11233229
    Abstract: The present invention aims to provide an electrode for lithium ion batteries which exhibits excellent electrical conductivity even if its thickness is large. The electrode for lithium ion batteries of the present invention includes a first main surface to be located adjacent to a separator of a lithium ion battery and a second main surface to be located adjacent to a current collector of the lithium ion battery. The electrode has a thickness of 150 to 5000 ?m. The electrode contains, between the first main surface and the second main surface, a conductive member (A) made of an electronically conductive material and a large number of active material particles (B). At least part of the conductive member (A) forms a conductive path that electrically connects the first main surface to the second main surface. The conductive path is in contact with the active material particles (B) around the conductive path.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: January 25, 2022
    Assignees: SANYO CHEMICAL INDUSTRIES, LTD., NISSAN MOTOR CO., LTD.
    Inventors: Yusuke Mizuno, Yasuhiro Shindo, Yasuhiro Tsudo, Kenichi Kawakita, Yuki Kusachi, Yasuhiko Ohsawa, Hajime Satou, Hiroshi Akama, Hideaki Horie
  • Publication number: 20210408525
    Abstract: The present invention aims to provide a method for producing a pinhole-free thin resin current collector for negative electrodes. The method for producing a sheet-shaped resin current collector for negative electrodes of the present invention includes stacking three or more layers of melts of conductive resin compositions each containing a polyolefin and a conductive filler to obtain a multilayered body, wherein the polyolefin contained in each of the conductive resin compositions that form the respective layers of the multilayered body has a melt mass flow rate of 15 to 70 g/10 min as measured at a temperature of 230° C. and a load of 2.16 kg in accordance with JIS K7210-1:2014.
    Type: Application
    Filed: October 21, 2019
    Publication date: December 30, 2021
    Applicants: SANYO CHEMICAL INDUSTRIES, LTD., GUNZE LIMITED
    Inventors: Ryosuke KUSANO, Yasuhiro TSUDO, Yasuji MARUYAMA, Kazuaki ONISHI, Yasuhiko OHSAWA, Yuki KUSACHI, Hajime SATOU, Hiroshi AKAMA, Hideaki HORIE
  • Patent number: 11211596
    Abstract: The present invention provides a method of producing an electrode active material molded body for a lithium-ion battery suitable for the production of a lithium-ion battery, and a method of producing a lithium-ion battery using the electrode active material molded body, wherein the methods can reduce the time, work, equipment, and the like required for the production. The present invention provides a method of producing an electrode composition molded body for a lithium-ion battery, including: a molding step of molding a composition containing an electrode active material for a lithium-ion battery and an electrolyte solution into an electrode active material molded body for a lithium-ion battery as an unbound product of the electrode active material for a lithium-ion battery, wherein the composition has an electrolyte solution content of 0.1 to 40 wt % based on the weight of the composition.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: December 28, 2021
    Assignees: SANYO CHEMICAL INDUSTRIES, LTD., NISSAN MOTOR CO., LTD.
    Inventors: Takuya Suenaga, Kenichi Kawakita, Yuki Kusachi, Yasuhiko Ohsawa, Hajime Satou, Hiroshi Akama, Hideaki Horie