Tokyo, Japan
Tokyo, Japan

Idemitsu Kosan Co.,Ltd. is a Japanese petroleum company. It owns and operates oil platforms, refineries and produces and sells petroleum, oils and petrochemical products.Idemitsu is the second largest petroleum refiner in Japan, after Nippon Oil. It was ranked as the 262nd largest company in the world by revenue in Fortune Global 500 . It is number 26 in petroleum refining. Only publicly traded since 2006, Idemitsu Kosan is not listed on the Nikkei 225 stock index or the Topix 100, but instead in Topix Mid 400. Wikipedia.


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Through a lubricating oil additive including an amide compound represented by the following general formula (1) and a lubricating oil composition using the same, a lubricating oil additive and a lubricating oil composition exhibiting not only a high intermetal friction coefficient but also excellent intermetal friction-coefficient/slipping-velocity characteristics are provided.R^(a)-CO-(NH-L^(1))_(n)-NR^(b)R^(c)(1) In the formula, R^(a) is a straight-chain alkyl group having 8 to 22 carbon atoms or a branched-chain alkyl group having 8 to 22 carbon atoms, or a straight-chain alkenyl group having 8 to 22 carbon atoms or a branched-chain alkenyl group having 8 to 22 carbon atoms; L^(1) is an alkylene group having 1 to 6 carbon atoms; n is an integer of 1 to 4; and -NR^(b)R^(c) is a primary amino group or a piperazyl group.


Patent
Idemitsu Kosan Co. | Date: 2017-01-12

An organic electroluminescence device which comprises a cathode, an anode and an organic thin film layer comprising at least one layer comprising a light emitting layer and disposed between the cathode and the anode, wherein at least one layer in the organic thin film layer comprises an anthracene derivative having a specific structure singly or as a component of a mixture, and an anthracene derivative having a specific asymmetric structure and providing an organic electroluminescence device exhibiting a great efficiency of light emission and having a long life, are provided.


Patent
Idemitsu Kosan Co. | Date: 2017-05-10

A nonwoven fabric formed of an olefin-based resin composition (I) containing an olefin-based polymer (i) satisfying specific requirements; a spunbond nonwoven fabric obtained by melt-extruding and molding the olefin-based resin composition (I) at a resin temperature of 220C or lower, and a method for producing it; a multilayer nonwoven fabric containing the spunbond nonwoven fabric; a nonwoven fabric and a multilayer nonwoven fabric including composite fibers containing an olefin-based resin composition (II) containing an olefin-based polymer (ii) satisfying specific requirements; and a fiber product using the spunbond nonwoven fabric, the nonwoven fabric of composite fibers, or the multilayer nonwoven fabric.


Patent
Idemitsu Kosan Co. | Date: 2017-01-05

A compound is represented by the following formula (1). In the formula (1), Ar is a substituted or unsubstituted aryl group including 6 to 30 ring carbon atoms, R^(a )are independently a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, or a substituted or unsubstituted cycloalkyl group including 3 to 15 carbon atoms, R^(b1 )to R^(b4 )are independently a halogen atom, a cyano group, a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, or the like, R^(c1 )to R^(c10 )are independently a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, or the like, * is a bonding position at which one of R^(c1 )to R^(c10 )is bonded to either nitrogen atom, x is an integer from 0 to 3, y is an integer from 0 to 4, and z are independently an integer from 0 to 5.


Patent
Idemitsu Kosan Co. | Date: 2016-12-28

A Schottky barrier diode element includes an n-type or p-type silicon (Si) substrate, an oxide semiconductor layer, and a Schottky electrode layer, the oxide semiconductor layer including either or both of a polycrystalline oxide that includes gallium (Ga) as the main component and an amorphous oxide that includes gallium (Ga) as the main component.


A method for producing a polyaniline complex composition including: removing from an organic solution that includes (a) polyaniline doped with a compound represented by M(XARn)m (I) and (b) a phenolic compound, thereby to obtain a composition; and immersing the composition in (c) a solution that comprises at least one of sulfonic acid and sulfonate, followed by drying.


Patent
Idemitsu Kosan Co. | Date: 2017-02-01

An organic EL device includes a pair of electrodes and an organic compound layer between pair of electrodes. The organic compound layer includes an emitting layer including a first material and a second material. The second material is a fluorescent material. Singlet energy EgS(H) of the first material and singlet energy EgS(D) of the second material satisfy a relationship of the following formula (1). The first material satisfies a relationship of the following formula (2) in terms of a difference ST(H) between the singlet energy EgS(H) and an energy gap Eg_(77K)(H) at 77K. EgS(H)>EgS(D)(1) ST(H)=EgS(H)Eg_(77K)(H)<0.3 (eV)(2)


Patent
Idemitsu Kosan Co. | Date: 2017-05-24

Provided is a refrigerator oil composition for a refrigerant containing an unsaturated fluorinated compound having a carbon-carbon unsaturated bond, which is represented by a general formula (I): C_(2)F_(p)R_(4-p), wherein R each independently represents a hydrogen atom, a chlorine atom, a bromine atom, or an iodine atom, and p represents an integer of 1 to 3. The composition contains a base oil (P) including one or more kinds selected from polyvinyl ethers, polyalkylene glycols, copolymers of a poly(oxy)alkylene glycol or a monoether thereof and polyvinyl ethers, and a polyol ester. The kinematic viscosity at 100C of the base oil (P) is 2.00 to 50.00 mm^(2)/s, and the hydroxyl value thereof is 5.0 mgKOH/g or less. The refrigerator oil composition is excellent in compatibility with a refrigerant containing an unsaturated fluorinated compound having 2 carbon atoms and having a specific atom, and is also excellent in thermal stability.


The present invention relates to compounds of formula (I) and their use in electronic devices, especially electroluminescent devices. When used as hole transport material in electroluminescent devices, the compounds of formula (I) may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.


Patent
Idemitsu Kosan Co. | Date: 2017-01-25

The present invention relates to compounds of formula (I) which are characterized in that they are substituted by at least one nitrile substituted carbazolyl group and their use in electronic devices, especially electroluminescent devices. When used as electron transport material, hole blocking material and/or host material for phosphorescent emitters in electroluminescent devices, the compounds of formula I may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.

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