Patents Assigned to Idemitsu Kosan Co., Ltd.
  • Publication number: 20130303672
    Abstract: Provided are: a polycarbonate-based resin composition, including: (A) 100 parts by mass of a resin mixture formed of: 30 to 100 mass % of a PC-POS copolymer (A-1) which has constituent units represented by a general formula (I) and a general formula (II), and in which an average repetition number n of organosiloxane constituent units in the general formula (II) is 70 to 500; and 70 to 0 mass % of an aromatic polycarbonate resin (A-2) except the PC-POS copolymer (A-1); (B) 0.01 to 0.15 part by mass of an alkaline (earth) metal salt of an organic sulfonic acid; (C) 0.1 to 1 part by mass of a polytetrafluoroethylene having a fibril-forming ability; and (D) 2 to 15 parts by mass of titanium dioxide particles each having, on an outermost surface thereof, a coating layer formed of a polyol free of a nitrogen atom; a molded article obtained by molding the resin composition; and a structure member for solar photovoltaic power generation formed of the molded article.
    Type: Application
    Filed: October 27, 2011
    Publication date: November 14, 2013
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventor: Yusuke Aoki
  • Publication number: 20130302684
    Abstract: A lithium-ion battery cathode material includes a composite of sulfur and porous carbon, and glass particles and/or glass ceramic particles that satisfy a composition represented by the following formula (1), LiaMbPcSd??(1) wherein M is B, Zn, Si, Cu, Ga, or Ge, and a to d are the compositional ratio of each element, and satisfy a:b:c:d=1 to 12:0 to 0.2:1:2 to 9.
    Type: Application
    Filed: December 21, 2011
    Publication date: November 14, 2013
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Hiromichi Koshika, Hiroyuki Higuchi, Atsushi Sato
  • Publication number: 20130299806
    Abstract: To provide an organic EL element material that is capable of enhancing the light emission efficiency and the lifetime of the element as compared to an ordinary organic EL element material, and an organic EL element using the same. Specifically, to provide an aromatic amine derivative represented by Ar1Ar2Ar3N, and an organic EL element using the same. Representative compounds include the following.
    Type: Application
    Filed: January 13, 2012
    Publication date: November 14, 2013
    Applicants: MITSUI CHEMICALS, INC, IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoki Kato, Nobuhiro Yabunouchi, Takahiro Fujiyama
  • Publication number: 20130303818
    Abstract: A method for producing an unsaturated dimer by reacting an ?-olefin having 6 to 14 carbon atoms in an agitated vessel, wherein a metallocene-based catalyst is used as a reaction catalyst; and the supply flow rate of hydrogen (VH) to the vessel is 0.2 to 1.2 [(NL/hr) per L of olefin] and the agitation power (Pv) is 0.18 KW/m3 or more of the time of reaction.
    Type: Application
    Filed: January 11, 2012
    Publication date: November 14, 2013
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Junichi Inagaki, Masashi Machida, Masaki Okano, Minako Tsuji
  • Publication number: 20130299812
    Abstract: An organic electroluminescence device includes: a first substrate, first electrode, organic compound layer and second electrode in this sequence. A first insulative portion and a second auxiliary electrode are formed between the first electrode and the second electrode in this sequence from the first electrode. The second electrode is in electric continuity with the second auxiliary electrode. The first electrode and the organic compound layer are insulated from the second auxiliary electrode by the first insulative portion.
    Type: Application
    Filed: January 24, 2012
    Publication date: November 14, 2013
    Applicant: IDEMITSU KOSAN CO., LTD
    Inventor: Chishio Hosokawa
  • Patent number: 8580719
    Abstract: A lubricating oil composition for internal combustion engines which comprises a base oil comprising mineral oils and/or synthetic oils and polyisobutylene having a weight-average molecular weight of 500,000 or higher. Consumption of the engine oil can be decreased by using the above composition. In particular, consumption of the engine oil can be decreased even when the above composition is used as the engine oil of the energy saving type using a base oil having a low viscosity.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: November 12, 2013
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Motoharu Ishikawa, Masahiko Kido
  • Patent number: 8580391
    Abstract: A material for organic electroluminescence devices comprising a compound in which a heterocyclic group having nitrogen is bonded to an arylcarbazolyl group or a carbazolylalkylene group and an organic electroluminescence device comprising an anode, a cathode and an organic thin film layer comprising at least one layer and disposed between the anode and the cathode, wherein at least one layer in the organic thin film layer comprises the material for organic electroluminescence devices described above. The material can provide an organic electro-luminescence device emitting bluish light with a high purity of color. The organic electroluminescence device uses the material.
    Type: Grant
    Filed: June 13, 2005
    Date of Patent: November 12, 2013
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Toshihiro Iwakuma, Hiroshi Yamamoto, Yoshio Hironaka, Hidetsugu Ikeda, Chishio Hosokawa, Seiji Tomita, Takashi Arakane
  • Patent number: 8580398
    Abstract: A material for electroluminescent devices which comprises a compound in which a heterocyclic group having nitrogen is bonded to carbazolyl group and an organic electroluminescent device having at least one organic thin film layer which is sandwiched between the cathode and the anode and contains the above material in at least one layer, are provided. The material can provide organic electroluminescent devices emitting bluish light with a high purity of color. The organic electroluminescence device uses the material.
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: November 12, 2013
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Toshihiro Iwakuma, Chishio Hosokawa, Hidetsugu Ikeda, Seiji Tomita, Takashi Arakane
  • Patent number: 8580393
    Abstract: A polymer compound including a repeating unit shown by the following formula (1) wherein at least one of Ar1, Ar2 and Ar3 in the formula (1) is a group shown by the formula (2) and the two bonds shown in the formula (1) are present on any one or any two of Ar1, Ar2, Ar3 and L1.
    Type: Grant
    Filed: February 25, 2009
    Date of Patent: November 12, 2013
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Yumiko Mizuki, Nobuhiro Yabunouchi, Mitsuru Eida
  • Publication number: 20130296518
    Abstract: A method for producing an ?-olefin oligomer including: polymerizing in the presence of a catalyst one or more ?-olefins having 6 to 20 carbon atoms to produce an ?-olefin oligomer; and deactivating the catalyst by a deactivator from which oxygen is removed. A method for producing an ?-olefin oligomer including: polymerizing in the presence of a catalyst one or more ?-olefins having 6 to 20 carbon atoms to produce an ?-olefin oligomer; and passing the reaction solution containing the ?-olefin oligomer through a bag filter.
    Type: Application
    Filed: January 11, 2012
    Publication date: November 7, 2013
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Hideki Sato, Yushi Matsuda, Jun Kohiruimaki, Masao Aida, Kana Minamimoto, Jun Mase
  • Publication number: 20130296483
    Abstract: A method for producing an olefin oligomer mixture comprising: feeding a raw olefin oligomer mixture to a first evaporator; feeding a residue which is taken out from the first evaporator to a second evaporator, and returning a distillate which is distilled from the second evaporator to the first evaporator; taking a distillate out from the first evaporator; feeding a residue which is taken out from the second evaporator to a third evaporator; and taking a distillate out from the third evaporator.
    Type: Application
    Filed: January 11, 2012
    Publication date: November 7, 2013
    Applicant: IDEMITSU KOSAN CO, LTD.
    Inventors: Tatsuyoshi Yokota, Shoichi Uchiyama, Hdeki Sato, Shinji Miyamoto
  • Publication number: 20130292664
    Abstract: An organic electroluminescence device includes a pair of electrodes and an organic compound layer interposed therebetween. The organic compound layer includes a plurality of emitting layers including a first emitting layer and a second emitting layer, in which at least one of the first and second emitting layers contains a phosphorescent dopant material, and a space layer between the first and second emitting layers. The space layer contains a compound satisfying a relationship of the following numerical formula (1) in terms of a difference ?ST between singlet energy EgS and an energy gap Eg77K at 77K, [Numerical Formula 1] ?ST=EgS?Eg77K?0.5 (eV)??(1).
    Type: Application
    Filed: January 20, 2012
    Publication date: November 7, 2013
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Kazuki Nishimura, Yukitoshi Jinde, Toshinari Ogiwara, Tesuya Inoue, Chishio Hosokawa
  • Publication number: 20130295464
    Abstract: A composite material including a conducting material and an alkali metal sulfide formed integrally on the surface of the conducting material.
    Type: Application
    Filed: January 25, 2012
    Publication date: November 7, 2013
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Kazuaki Yanagi, Minoru Senga, Ryo Aburatani, Tsuyoshi Ota
  • Patent number: 8575599
    Abstract: A compound for an organic thin film transistor having a structure of the following formula (1): wherein R1 to R6 are independently a hydrogen atom, a halogen atom, an alkyl group having 1 to 30 carbon atoms, a haloalkyl group having 1 to 30 carbon atoms, an alkoxy group having 1 to 30 carbon atoms, a haloalkoxy group having 1 to 30 carbon atoms, an alkylthio group having 1 to 30 carbon atoms, a haloalkylthio group having 1 to 30 carbon atoms, an alkylamino group having 1 to 30 carbon atoms, a dialkylamino group having 2 to 60 carbon atoms (the alkyl groups may be combined with each other to form a ring structure containing the nitrogen atom), an alkylsulfonyl group having 1 to 30 carbon atoms, a haloalkylsulfonyl group having 1 to 30 carbon atoms, an aromatic hydrocarbon group having 6 to 60 carbon atoms, an aromatic heterocyclic group having 3 to 60 carbon atoms, an alkylsilyl group having 3 to 20 carbon atoms, an alkylsilylacetylene group having 5 to 60 carbon atoms or a cyano group, which each may have
    Type: Grant
    Filed: August 5, 2009
    Date of Patent: November 5, 2013
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Yuki Nakano, Masatoshi Saito, Hiroaki Nakamura
  • Patent number: 8574725
    Abstract: An organic electroluminescence device includes: an anode; a cathode; and an organic thin-film layer interposed between the anode and the cathode. The organic thin-film layer includes a phosphorescent-emitting layer containing a host and a phosphorescent dopant. The host contains a first host and a second host. The first host includes a substituted or unsubstituted polycyclic fused aromatic skeleton, the skeleton having 10 to 30 ring-forming atoms not including an atom of a substituent. The second host has an affinity level greater than the affinity level of the first host.
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: November 5, 2013
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Kazuki Nishimura, Toshihiro Iwakuma, Kenichi Fukuoka, Chishio Hosokawa
  • Patent number: 8575080
    Abstract: A lubricating oil composition for diesel engines, particularly a composition with low ashes and no metals. The lubricating oil composition has exceedingly high detergency and excellent antiwear so that it is suitably used for diesel engines equipped with an apparatus for after-treatment of exhaust gas. The lubricating oil composition contains a lubricating base oil which includes a component (A): 2 to 30% by mass, based on the total amount of the composition, of a succinimide compound having an alkenyl group or an alkyl group of a number average molecular weight of 80 to 500 or a boronic compound thereof; and a component (B): 0.5 to 30% by mass, based on the total amount of the composition, of a succinimide compound having an alkenyl group of a number average molecular weight of 800 to 3,500 or a boronic compound thereof.
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: November 5, 2013
    Assignees: Idemitsu Kosan Co., Ltd., Petroleum Energy Center, A Juridical Incorporated Foundation
    Inventor: Tadashi Katafuchi
  • Patent number: 8568609
    Abstract: A lubricating oil composition for refrigerator is formed by adding an organic compound that includes a double bond in the molecule such as ?-olefin or conjugated diene to a base oil. Capable of being stably used for a long time in the presence of oxygen, the lubricating oil composition for refrigerator according to the invention is suitable for an open-type car air-conditioner, an electric driven car air-conditioner, a gas heat pump, an air conditioning device, a refrigerator, a vending machine, a showcase, various hot-water supply systems or a heating/cooling system.
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: October 29, 2013
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Tokue Sato, Masato Kaneko, Harutomo Ikeda
  • Patent number: 8568902
    Abstract: Provided are an asymmetric monoanthracene derivative having a specific structure, a material for an organic EL device comprising the above asymmetric monoanthracene derivative and an organic EL device in which an organic thin film layer comprising a single layer or plural layers including a luminescent layer is interposed between a cathode and an anode, wherein at least one of the above organic thin film layers contains the asymmetric monoanthracene derivative described above in the form of a single component or a mixed component. Provided are an organic electroluminescent (EL) device having a high luminous efficiency and a long life, an asymmetric monoanthracene derivative which materializes the same and a material for an organic EL device.
    Type: Grant
    Filed: November 30, 2004
    Date of Patent: October 29, 2013
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Mineyuki Kubota, Masakazu Funahashi
  • Patent number: 8568903
    Abstract: A phenanthrene derivative is represented by a formula (1) below. In the formula (1), Ar1 to Ar4 each represent an aromatic hydrocarbon ring group having 6 to 18 carbon atoms for forming the ring. The aromatic hydrocarbon ring group contains none of anthracene skeleton, pyrene skeleton, aceanthrylene skeleton and naphthacene skeleton. L represents a single bond, a substituted or unsubstituted benzene skeleton, naphthalene skeleton, biphenylene skeleton, fluorene skeleton, phenanthrene skeleton, fluoranthene skeleton, triphenylene skeleton, chrysene skeleton, phenyl-naphthalene skeleton or binaphthalene skeleton. R1 and R2 each represent a substituent, the number of which may be 0, 1 or more. R1 and R2 may be bonded in any positions of the phenanthrene skeleton. m, n, l and p each represent 0 or 1 while satisfying m+n+l+p?1 (m,n?l,p). a and b each represent an integer of 0 to 8.
    Type: Grant
    Filed: July 4, 2008
    Date of Patent: October 29, 2013
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Masahiro Kawamura, Kazuki Nishimura, Yoriyuki Takashima, Mitsunori Ito, Toshihiro Iwakuma, Toshinari Ogiwara
  • Patent number: 8568621
    Abstract: A transparent conductive film which is an indium zinc oxide film comprising In2O3 crystals, and has an X-ray diffraction peak using a Cuk? ray that appears within at least one area selected from areas ranging from 2?=35.5° to 37.0°, 39.0° to 40.5° and 66.5° to 67.8°, wherein the peak intensities of peaks that appear within areas ranging from 2?=30.2° to 30.8° and 54.0° to 57.0° are 20% or less of the peak intensity of the main peak.
    Type: Grant
    Filed: June 23, 2010
    Date of Patent: October 29, 2013
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Masahito Matsubara, Masashi Ohyama