Patents Assigned to Idemitsu Kosan Co., Ltd.
  • Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device
    Patent number: 11939279
    Abstract: A compound represented by formula (1) provides a high performance organic electroluminescence device and a novel material for realizing such an organic electroluminescence device: wherein R1 to R6, a to f, L1 to L3, and Ar are as defined in the description.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: March 26, 2024
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoki Kato, Taro Yamaki, Masahiro Kawamura, Hirokatsu Ito
  • Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device
    Patent number: 11944009
    Abstract: A compound is represented by one of formulae (11) to (13). R1 to R4 each independently represent a group represented by a formula (1-1), a group represented by a formula (2-1), a group represented by a formula (2-2) or the like. At least one of R1 to R4 is the group represented by the formula (1-1) or the like. At least one of R1 to R4 is the group represented by the formula (2-1), (2-2) or the like. For instance, in the formula (1-1), R11 represents a substituent, and R101 to R110 each independently represent a hydrogen atom or a substituent. For instance, in the formulae (2-1) to (2-2), R161 to R168 and R171 to R180 each independently represent a hydrogen atom or a substituent.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: March 26, 2024
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Keiichi Yasukawa, Shota Sawano, Keiji Okinaka, Toshinari Ogiwara, Takushi Shiomi
  • REFRIGERATOR OIL COMPOSITION AND MIXED COMPOSITION FOR REFRIGERATOR
    Publication number: 20240093120
    Abstract: A refrigerator oil composition may effectively suppress an increase in an acid value even when a ratio of an unsaturated fluorinated hydrocarbon compound (HFO) in a refrigerant is increased. Such a refrigerator oil composition can used for a refrigerant and may include one or more unsaturated fluorinated hydrocarbon compounds of formula (1): CxFyH??(1), wherein x is an integer of 2 to 6, y is an integer of 1 to 11, and z is an integer of 1 to 11, and one or more carbon-carbon unsaturated bonds are present in the molecule. The refrigerator oil composition may include a base oil (A), and one or more silicone compounds (B) selected from the group consisting of an unmodified silicone (B1) and a modified silicone (B2), wherein a content of the silicone compound (B) is 0.05% by mass or more based on the total amount of the refrigerator oil composition.
    Type: Application
    Filed: March 15, 2022
    Publication date: March 21, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventor: So NAKAJIMA
  • ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
    Publication number: 20240099127
    Abstract: An organic electroluminescence device having: a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer includes an emitting layer and a first layer, the first layer is disposed between the anode and the emitting layer, and the first layer contains a first hole-transporting material represented by the following formula (1) and a second hole-transporting material represented by the following formula (11):
    Type: Application
    Filed: September 28, 2020
    Publication date: March 21, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Tasuku HAKETA, Kazuki NISHIMURA
  • Lubricating oil composition
    Patent number: 11932822
    Abstract: There is provided a lubricating oil composition which is excellent in the wear resistance and the oil film retention even when the viscosity of the composition is lowered. The lubricating oil composition comprises: a base oil (A); an imide compound (B); a calcium-based detergent (C); a polymer component (D); and a zinc dithiophosphate (E), wherein the imide compound (B) comprises at least one non-boron-modified succinic acid imide compound (Bx) selected from a succinic acid monoimide (B1x) represented by general formula (b-1) and a succinic acid bisimide (B2x) represented by general formula (b-2), and wherein the polymer compound (D) has a mass average molecular weight (Mw) of not less than 10,000 and not more than 50,000, and comprises at least one selected from an olefin polymer (D1) and a polymethacrylate (D2).
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: March 19, 2024
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Naoto Horita, Hiroshi Oki
  • METHOD FOR PRODUCING SOLID ELECTROLYTE
    Publication number: 20240083748
    Abstract: An object of the present invention is to provide a method of producing a modified sulfide solid electrolyte in which ionic conductivity reduction is suppressed, and a generation amount of a hydrogen sulfide gas is reduced even if a sulfide solid electrolyte comes in contact with moisture and hydrogen sulfide is generated, and the modified sulfide solid electrolyte, and an electrode combined material and a lithium ion battery using the same. The modified sulfide solid electrolyte producing method according to the present invention includes mixing the sulfide solid electrolyte with Li2S, in which (100-?) parts by mass of the sulfide solid electrolyte is used per a parts by mass of Li2S (a represents a number of 0.3 to 15.0).
    Type: Application
    Filed: January 21, 2022
    Publication date: March 14, 2024
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Nobuhito NAKAYA, Hiroaki Yamada
  • METHOD FOR MANUFACTURING HALOGENATED LITHIUM AND METHOD FOR MANUFACTURING SULFIDE SOLID ELECTROLYTE
    Publication number: 20240083761
    Abstract: The present invention relates to a method for producing a lithium halide compound, including performing a mixing heat treatment step of mixing lithium sulfide and an ammonium halide under a heating condition of 90 to 250° C., and which does not involve a step of directly removing water, does not use a simple substance halogen which is complicated to handle, can easily remove by-products, and does not require excessive energy for production.
    Type: Application
    Filed: January 17, 2022
    Publication date: March 14, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Takayoshi KAMBARA, Hiroaki YAMADA
  • COMPOUND, ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
    Publication number: 20240090329
    Abstract: A compound includes: at least one group represented by a formula (11) below; and a single benz[de]anthracene derivative skeleton represented by a formula (1000) below in a molecule, in which Ar1 is a substituted or unsubstituted aryl group including at least four rings, at least one of R10 to R19 is a group represented by the formula (11), L1 is a substituted or unsubstituted arylene group having 6 to 15 ring carbon atoms or a substituted or unsubstituted divalent heterocyclic group having 5 to 15 ring atoms, and mx is 1, 2, or 3.
    Type: Application
    Filed: October 1, 2021
    Publication date: March 14, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Hiroaki ITOI, Yuki NAKANO, Taro YAMAKI, Maiko IIDA, Takamoto MORITA, Shintaro BAN, Ryota TAKAHASHI, Yu KUDO, Yoshinao SHIRASAKI
  • ELECTRIC CONDUCTIVE POLYMER COMPOSITION
    Publication number: 20240084134
    Abstract: A conductive polymer composition comprising (a) conductive polymer and (b) a solvent, wherein the component (b) comprises a tertiary alcohol, and the content ratio of the tertiary alcohol in the entire component (b) is more than 1% by mass and 70% by mass or less.
    Type: Application
    Filed: December 27, 2021
    Publication date: March 14, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Shingo ONODERA, Toru BANDO
  • ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
    Publication number: 20240090319
    Abstract: An organic electroluminescence device including a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer indudes an emitting layer and a first layer, wherein the first layer is disposed between the anode and the emitting layer, and the first layer contains a first hole-transporting material and a second hole-transporting material, the first hole-transporting material is a compound represented by the following formula (1) (at least one of Ar1 to Ar3 is a group represented by the following formula (2)):
    Type: Application
    Filed: September 28, 2020
    Publication date: March 14, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Tasuku HAKETA, Kazuki NISHIMURA
  • Curable material and method for molding said thermally curable material
    Patent number: 11926683
    Abstract: The present invention provides a thermosetting material, which contains the following components (A) to (C) and which, when measured with a rotational viscometer at a constant shear rate (JIS K7117-2:1999), exhibits a viscosity at 25° C. and 10 s?1 of 5 Pa·s or more and 200 Pa·s or less and, when measured with a rotational viscometer at a constant shear rate in the same manner as above, exhibits a viscosity at 25° C. and a shear rate of 100 s?1 of 0.3 Pa·s or more and 50 Pa·s or less. (A): a (meth) acrylate compound in which a substituted or unsubstituted alicyclic hydrocarbon group having 6 or more carbon atoms is ester-bonded, and which, when measured with a rotational viscometer at a constant shear rate in the same manner as above, exhibits a viscosity of 5 to 300 mPa·s as a viscosity measured at 25° C. and 10 to 100 s?1; (B): spherical silica; and (C): a black pigment.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: March 12, 2024
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yutaka Obata, Haruhiko Mori
  • METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE
    Publication number: 20240079640
    Abstract: Provided is a method for producing a sulfide solid electrolyte that is superior in productivity and that has a small particle diameter. The method for producing a sulfide solid electrolyte includes mixing a raw material-containing matter that contains a lithium atom, a phosphorus atom, and a sulfur atom with a first solvent to provide a precursor-containing mixture, mixing the precursor-containing mixture with a second solvent that is incompatible with the first solvent to provide an emulsion, and removing the first solvent and the second solvent from the emulsion.
    Type: Application
    Filed: June 29, 2023
    Publication date: March 7, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventor: Shota Totsuka
  • MODIFIED SULFIDE SOLID ELECTROLYTE AND MANUFACTURING METHOD THEREFOR
    Publication number: 20240079648
    Abstract: Provided are a method of manufacturing a modified sulfide solid electrolyte, which is excellent in coating suitability when applied as a paste even if a sulfide solid electrolyte has a large specific surface area, and can efficiently exhibit an excellent battery performance, the modified sulfide solid electrolyte obtained by the manufacturing method, and an electrode combined material and a lithium ion battery which exhibit an excellent battery performance. The method includes: mixing an organic halide and an organic solvent with a sulfide solid electrolyte having a BET specific surface area of 10 m2/g or more and containing a lithium atom, a sulfur atom, a phosphorus atom, and a halogen atom; and removing the organic solvent.
    Type: Application
    Filed: January 25, 2022
    Publication date: March 7, 2024
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Nobuhito NAKAYA, Yusuke ISEKI, Tomoyuki OKUYAMA, Hiroto IDA, Toshifumi MIYAGAWA, Atsushi YAO
  • COMPOUND, ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
    Publication number: 20240074311
    Abstract: A compound is represented by a formula (1) below. In the formula (1): R1 to R9, R101 to R108, and R111 to R118 are each independently a hydrogen atom, a substituted or unsubstituted aryl group having 6 to 20 ring carbon atoms, or the like; Ar12 is a substituted or unsubstituted aryl group having 10 to 30 ring carbon atoms or the like; p is 0 or 1; q is 0 or 1; and p+q is 1 or 2.
    Type: Application
    Filed: June 13, 2023
    Publication date: February 29, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Shintaro BAN, Yu KUDO, Kei YOSHIDA, Sigma HASHIMOTO, Yoshinao SHIRASAKI
  • Interior component for vehicular lamp
    Patent number: 11913617
    Abstract: An internal part for a lighting tool for a vehicle, including: an entering portion for light; an emitting portion for light; and a light-guiding portion to guide the light from the entering portion to the emitting portion, the part being arranged at a distance of 5 mm or less from a light source, wherein the part is a molded body formed of a resin composition, wherein a 5-millimeter thick plate, obtained by subjecting the resin composition to injection molding at a cylinder temperature of 260° C., a die temperature of 80° C., a cycle time of 50 seconds, and a retention time of 230 seconds, a total light transmittance of 80% or more, and a ratio (X/Y) of a spectral light transmittance (X) of the 5-millimeter thick plate at a wavelength of 350 nm to a spectral light transmittance (Y) thereof at a wavelength of 400 nm is 0.75 or more.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: February 27, 2024
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Junichi Tsuzuki, Toshio Isozaki
  • Method for producing sulfide solid electrolyte having argyrodite-type crystal structure
    Patent number: 11916191
    Abstract: A method for producing a sulfide solid electrolyte having an argyrodite-type crystal structure may involve: mixing a raw material containing elemental phosphorus at an integrated power of 0.5 kWh/kg or more, and heat-treating a precursor obtained in the mixing at 350 to 500° C.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: February 27, 2024
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Takayoshi Kambara, Minoru Senga, Katsuhito Kondo, Naoya Masuda, Hironari Kimpara, Futoshi Utsuno, Hiroyuki Tamura
  • Method for producing a crystalline solid electrolyte, a crystalline solid electrolyte, and an electrode combined material and a lithium ion battery using it
    Publication number: 20240063425
    Abstract: Provided are a method for producing a crystalline sulfide solid electrolyte, the method including mixing a raw material-containing substance that contains a lithium atom, a sulfur atom, a phosphorus atom, and a halogen atom to provide a reaction product, heating the reaction product to provide a crystalline product, and subjecting the crystalline product to a grinding treatment to amorphize at least a part of a surface of the crystalline product, the grinding treatment being performed with an integrated power of 1 (Wh/kg) or more and 500 (Wh/kg) or less; a crystalline sulfide solid electrolyte; and an electrode combined material and a lithium ion battery using it.
    Type: Application
    Filed: May 10, 2023
    Publication date: February 22, 2024
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventor: Tomoyuki OKUYAMA
  • Viscosity index improver composition and lubricating oil composition
    Patent number: 11905486
    Abstract: An object is to provide a viscosity index improver composition that is capable of properly regulating the HTHS viscosity in the effective temperature range of a lubricating oil composition to a lower range, and a lubricating oil composition containing the viscosity index improver composition, and the viscosity index improver composition contains a comb-shaped polymer (A) containing a structural unit derived from a macromonomer (?) and a structural unit derived from a particular monomer (A1), the macromonomer (?) having a (meth)acryloyl group at one end, and having a structural unit derived from a monomer (?1) selected from butadiene and hydrogenated butadiene.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: February 20, 2024
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yoriyuki Takashima, Taeko Nakano, Koki Hirano, Motoharu Ishikawa
  • METHOD FOR PRODUCING LITHIUM HYDROXIDE
    Publication number: 20240051838
    Abstract: A method of producing lithium hydroxide using a variety of aqueous solutions as a source liquid. The method includes: providing a lithium ion extraction liquid, including a first mixing of an aqueous solution containing lithium and at least one kind of an element other than lithium and a base in a reaction tank, with a pH regulated to 6 or more and 10 or less, a second mixing of the aqueous solution and the base, with a pH regulated to 12 or more, and removal of a hydroxide of the element other than lithium formed through the first and second mixing; recovering only lithium ion from the lithium ion extraction liquid to a recovery liquid with an electrochemical device including a Li-selectively permeable membrane; and performing the regulation of pH by returning the lithium ion extraction liquid after recovering lithium ion with the electrochemical device to the reaction tank.
    Type: Application
    Filed: March 25, 2022
    Publication date: February 15, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Shota HOSHI, Daisuke MORI, Futoshi UTSUNO, Atsushi SATO, Satoshi KATSUMATA
  • ORGANIC ELECTROLUMINESCENCE ELEMENT AND ELECTRONIC DEVICE
    Publication number: 20240057478
    Abstract: An organic electroluminescence device includes an anode, a cathode, and an emitting layer, in which the emitting layer contains a first compound represented by a formula (1) and a delayed fluorescent second compound represented by a formula (2), and singlet energy S1(M1) of the first compound and singlet energy S1(M2) of the second compound satisfy a relationship of Numerical Formula 1, S1(M2)>S1(M1) (Numerical Formula 1).
    Type: Application
    Filed: December 16, 2021
    Publication date: February 15, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Kazuki TERADA, Hisato MATSUMOTO, Keiichi YASUKAWA, Yuichiro KAWAMURA, Toshinari OGIWARA, Yuichi NISHIMAE