Patents Assigned to Idemitsu Kosan Co., Ltd.
  • Patent number: 8926857
    Abstract: The present invention provides a lubricating oil for a compression type refrigerator including a polyvinyl ether-based compound which containing an alkylene glycol or polyoxyalkylene glycol unit and a vinyl ether unit in a molecule and having a molecular weight in a range of 300 to 3,000 and one or more kinds of phosphorous compound selected from a phosphate having 25 or more carbon atoms, a phosphite having 10 to 60 carbon atoms, an amine salt of phosphate having 10 to 60 carbon atoms, and a metal salt of phosphate having to 60 carbon atoms. The lubricating oil for a compression type refrigerator of the present invention has high compatibility and high viscosity index, and is excellent in anti-seizure property and also in stability under carbon dioxide atmosphere.
    Type: Grant
    Filed: September 21, 2007
    Date of Patent: January 6, 2015
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Masato Kaneko, Harutomo Ikeda
  • Publication number: 20150000710
    Abstract: A water-based coolant contains at least one inorganic acid salt of phosphate, phosphite, sulfate, sulfite, borate, molybdate, tungstate, carbonate, hydrogen carbonate and sesquicarbonate. Since the water-based coolant of the invention exhibits a high cooling capability but does not easily corrode a metallic material (a cooling object), the water-based coolant of the invention is suitable as a quenching oil or a cutting oil for the metallic material.
    Type: Application
    Filed: February 27, 2013
    Publication date: January 1, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Mayu Hasegawa, Masahisa Goto, Katsumi Ichitani, Kenro Noguchi
  • Publication number: 20150005512
    Abstract: An anthracene derivative represented by the following formula (1): In the formula (1), Z is a structure represented by the following formula (2).
    Type: Application
    Filed: September 16, 2014
    Publication date: January 1, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Masahiro KAWAMURA, Chishio HOSOKAWA, Masaki NUMATA
  • Publication number: 20150001054
    Abstract: A current breaker case including a polycarbonate resin composition that includes a polycarbonate-polyorganosiloxane copolymer and has a viscosity-average molecular weight of 18000 to 25000.
    Type: Application
    Filed: February 28, 2013
    Publication date: January 1, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yusuke Aoki, Noritada Takeuchi
  • Patent number: 8920683
    Abstract: A sputtering target which is composed of a sintered body of an oxide which contains at least indium, tin, and zinc and includes a spinel structure compound of Zn2SnO4 and a bixbyite structure compound of In2O3. A sputtering target includes indium, tin, zinc, and oxygen with only a peak ascribed to a bixbyite structure compound being substantially observed by X-ray diffraction (XRD).
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: December 30, 2014
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Koki Yano, Kazuyoshi Inoue, Nobuo Tanaka, Akira Kaijo, Satoshi Umeno
  • Publication number: 20140374720
    Abstract: An aromatic amine derivative represented by formula (1): wherein L1, L2, Ar1, Ar2, R1, R2, a, b, and Q are as defined in the specification. An organic electroluminescence device having at least one organic thin film layer which includes the aromatic amine derivative has high emission efficiency and long lifetime.
    Type: Application
    Filed: September 11, 2012
    Publication date: December 25, 2014
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoki Kato, Takahiro Fujiyama
  • Publication number: 20140373584
    Abstract: The invention provides a water-soluble metal-working oil agent, including a component A and a component B, wherein the component A is a mineral oil which has a characteristic temperature, as measured in accordance with JIS K2242, of 570° C. or higher, and the component B is at least one condensed fatty acid which is selected from a condensed fatty acid (1), produced through dehydration condensation of a hydroxycarboxylic acid, and a condensed fatty acid (2), produced through dehydration condensation of an alcoholic hydroxyl group of the condensed fatty acid (1) with a monovalent carboxylic acid, which has a characteristic temperature, as measured in accordance with JIS K2242, of 650° C. or higher. The agent can provide excellent workability with a hard-to-work material and can prolong tool life.
    Type: Application
    Filed: November 15, 2012
    Publication date: December 25, 2014
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Fumiaki Takagi, Yoichiro Jido
  • Publication number: 20140378358
    Abstract: A shock absorber oil composition of the invention includes a base oil: (A) at least one of phosphate, amine phosphate salt, phosphite and amine phosphite salt; (B) an amide compound; and (C) a primary amine.
    Type: Application
    Filed: December 13, 2012
    Publication date: December 25, 2014
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventor: Aya Aoki
  • Patent number: 8916060
    Abstract: The present invention provides a lubricating oil for a compression type refrigerator including a polyvinyl ether-based compound containing an alkylene glycol or polyoxyalkylene glycol unit and a vinyl ether unit in a molecule and having a molecular weight in a range of 300 to 3,000, and a dehydrating agent. The lubricating oil for a compression type refrigerator of the present invention has high miscibility and high viscosity index, and excellent in stability without degradation and alteration due to hydrolysis under carbon dioxide atmosphere.
    Type: Grant
    Filed: September 20, 2007
    Date of Patent: December 23, 2014
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Masato Kaneko, Harutomo Ikeda
  • Publication number: 20140367667
    Abstract: A compound represented by the following formula (1):
    Type: Application
    Filed: December 28, 2012
    Publication date: December 18, 2014
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Toshihiro Iwakuma, Kazuki Nishimura
  • Patent number: 8911886
    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: August 30, 2013
    Date of Patent: December 16, 2014
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Toshihiro Iwakuma, Chishio Hosokawa, Hidetsugu Ikeda, Seiji Tomita, Takashi Arakane
  • Patent number: 8912531
    Abstract: An organic electroluminescent device including an emitting layer, an electron-injecting controlling layer and an electron-transporting layer between an anode and a cathode in sequential order from the anode, bonding one to another, the emitting layer including a host material and a dopant, the ionization potential (Ips) of the main material forming the electron-injecting controlling layer and the ionization potential (Iph) of the host material of the emitting layer satisfying the following relationship (i), the electron mobility of the electron-transporting material forming the electron-transporting layer being 10?5 cm2/Vs or more at the electric field intensity of 400 to 500 (V/cm)1/2, and the affinity level (Af1) of the host material of the emitting layer, the affinity level (Af2) of the main material forming the electron-injecting controlling layer, and the affinity level (Af3) of the electron-transporting material forming the electron-transporting layer satisfying the following relationships (ii) and (iii
    Type: Grant
    Filed: June 3, 2009
    Date of Patent: December 16, 2014
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Toshinari Ogiwara, Kazuki Nishimura, Toshihiro Iwakuma
  • Publication number: 20140364354
    Abstract: An aqueous detergent contains: (A) a branched carboxylic acid having 9 to 11 carbon atoms; (B) alkanolamine; and (C) at least one of phosphate represented by a formula [1] below or a salt of the phosphate, {RO(CH2CH2O)n}m—P?O(OH)3-m ??[1] in which, R is an alkyl group having 6 to 30 carbon atoms, n is an integer of 4 to 20, and m is an integer of 1 to 3.
    Type: Application
    Filed: December 26, 2012
    Publication date: December 11, 2014
    Applicant: IDEMITSU KOSAN CO., LTD
    Inventor: Hiroshi Kawasaki
  • Publication number: 20140364669
    Abstract: Provided is a production process for ?-olefin which does not comply the Shultz-Flory distribution and which is excellent in the yields of ?-olefins of 1-hexene up to 1-tetradecene each having 6 to 14 carbon atoms, particularly a yield of 1-octene. The above production process is characterized by polymerizing ethylene using (A) a specific chromium compound, (B) a specific aminophosphine ligand compound and (C) a promoter.
    Type: Application
    Filed: December 13, 2012
    Publication date: December 11, 2014
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yasushi Shiraki, Masahiko Kuramoto, Takuji Okamoto
  • Publication number: 20140364350
    Abstract: A lubricating oil composition contains: a first base oil with a kinematic viscosity at 100 degrees C. in a range from 1.5 mm2/s to 3.5 mm2/s; a second base oil with a kinematic viscosity at 100 degrees C. in a range more than 3.5 mm2/s but not more than 100 mm2/s; polymethacrylate with a mass average molecular weight in a range from 1×104 to 4×104; and a sulfur compound. The lubricating oil composition has a kinematic viscosity at 100 degrees C. in a range from 5 mm2/s to 6 mm2/s and a viscosity index of 200 or more.
    Type: Application
    Filed: November 29, 2012
    Publication date: December 11, 2014
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventor: Keiichi Narita
  • Publication number: 20140364546
    Abstract: Provided is a polycarbonate resin composition pellet, which has a light transmittance at a wavelength of 380 nm of 97.0% or more when the light transmittance is measured by using a methylene chloride solution having a concentration of 12 g/dL, the solution being charged into a quartz glass cell having an optical path length of 5 cm, and which has a viscosity-average molecular weight (Mv) of from 11,000 to 22,000.
    Type: Application
    Filed: December 27, 2012
    Publication date: December 11, 2014
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yoshio Okamoto, Takayoshi Tanaka, Masami Takimoto, Yasunobu Yamazaki
  • Patent number: 8906250
    Abstract: A lubricating oil composition for refrigerator including a base oil and an acid scavenger, and a compressor using the composition are provided, where the acid scavenger is a polyalkylene glycol derivative represented by a formula (1) as follows: R1—[(OR2)e—OR3]f??(1) and the base oil is at least one compound selected from a group consisting of polyvinyl ether, polyalkylene glycol and an ether-base compound represented by a formula (2) as follows, Ra-[(ORb)n-(X)—(ORc)k]x-Rd??(2) where meanings of respective signs are as described in the specification.
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: December 9, 2014
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Masato Kaneko, Harutomo Ikeda, Tokue Sato, Takayuki Kato, Takahiro Hoshida, Masato Takamatsu, Masahiro Suzuki, Shuichi Yasuda, Masataka Muto, Shozo Ikejima, Masahito Yamashita
  • Publication number: 20140353650
    Abstract: A compound represented by the following formula (1).
    Type: Application
    Filed: December 5, 2012
    Publication date: December 4, 2014
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Takushi Shiomi, Ryohei Hashimoto, Hideaki Nagashima
  • Publication number: 20140353646
    Abstract: An aromatic amine derivative is represented by a formula (1-1) below. In the formula (1-1), R2 to R5 and R7 to R10 are each independently a hydrogen atom or a substituent. In the formula (1-1), R1 and R6 are represented by a formula (2-1) below, and L1 to L3 are each independently a single bond, a divalent residue of an aryl group, and the like. In the formula (2-1); Ar1 is a monovalent substituent having a partial structure represented by a formula (3-1) below; X is an oxygen atom or a sulfur atom; and A and B represent a six-membered ring. In the formula (2-1), Ar2 is an aryl group or a heterocyclic group. The monovalent substituent having the partial structure represented by the formula (3-1) includes at least one of a fluorine atom and the like.
    Type: Application
    Filed: September 21, 2012
    Publication date: December 4, 2014
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yumiko Mizuki, Hirokatsu Ito
  • Publication number: 20140353640
    Abstract: A heterocyclic compound wherein three five-membered rings are fused to one benzene ring and a saturated or unsaturated ring is fused to each five-membered ring. An organic electroluminescence device includes one or more organic thin film layers between an anode and a cathode. The one or more organic thin film layers include a light emitting layer. At least one layer of the one or more organic thin film layers includes the heterocyclic compound.
    Type: Application
    Filed: May 29, 2014
    Publication date: December 4, 2014
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Tasuku HAKETA, Masahiro KAWAMURA, Kazuki NISHIMURA, Yumiko MIZUKI, Hirokatsu ITO, Tomoharu HAYAMA