Patents Assigned to Idemitsu Petrochemical Co., Ltd.
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Publication number: 20080176978Abstract: The present invention provides a thermoplastic resin composition containing 100 parts by mass of a mixture of a thermoplastic resin (A) and carbon nanotubes (B), the mixture comprising the component (A) in an amount of 20 to 99.95 mass % and the component (B) in an amount of 0.05 to 20 mass %; a flame retardant (C) in an amount of 0.05 to 30 parts by mass; and a polyfluoroolefin resin in an amount of 0 to 2 parts by mass. The flame retardant is preferably a phosphorus compound, and the thermoplastic resin preferably contains, as a component, an aromatic polycarbonate-polyorganosiloxane copolymer.Type: ApplicationFiled: June 28, 2007Publication date: July 24, 2008Applicant: IDEMITSU PETROCHEMICAL CO., LTD.Inventor: Akio NODERA
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Patent number: 7402712Abstract: Provided by the present invention are an adamantyl vinyl ether compound which is useful as a monomer for functional resins in the photolithography field or a raw material therefor and medical and agricultural intermediates and a production process for the same. The present invention relates to a production process for an adamantyl vinyl ether compound, characterized by subjecting an adamantyl vinyl ether compound having a specific structure and alcohol having an eliminating group in a ? position to chloroalkyl-etherification, then subjecting it to etherification to form an adamantyl group-containing ether and then subjecting it to vinyl-etherification.Type: GrantFiled: June 8, 2004Date of Patent: July 22, 2008Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Naoyoshi Hatakeyama, Shinji Tanaka, Hidetoshi Ono, Kouichi Kodoi
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Publication number: 20070129490Abstract: The present invention provides a propylene polymer composition containing a component (A) which is either a propylene block copolymer or a composition containing a propylene polymer and a rubber ingredient; and a component (B) which is a polyolefin copolymer that contains a fraction eluting at 101° C. or higher through temperature rising elution fractionation chromatography, the fraction exhibiting a 13C-NMR peak attributed to an ethylene chain, the polyolefin copolymer having an intrinsic viscosity falling within a range of 0.5 to 10.0 deciliter/g as measured at 135° C. in decalin; a molded product formed from the composition; and a polyolefin copolymer formed of the component (B) in which a propylene polymer segment and an ethylene copolymer segment are chemically linked.Type: ApplicationFiled: December 27, 2006Publication date: June 7, 2007Applicant: IDEMITSU PETROCHEMICAL CO., LTD.Inventors: YASUHIRO GOTO, Masaru Nakagawa, Tomio Tatsumi, Shuji Machida
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Patent number: 7169961Abstract: A process for producing an ?-olefin oligomer by oligomerization of an ?-olefin in a presence of a Ziegler-based catalyst, the process comprising introducing at least a portion of a reaction product which is taken out of a reactor and has a temperature of 115° C. or higher into an external heat exchanger, cooling the introduced reaction product, maintaining an oligomerization solution taken out of the external heat exchanger at a temperature of 110° C. or higher and returning at least a portion of the oligomerization solution to the reactor. In the production of an ?-olefin oligomer, precipitation and adhesion of polymers at the inside of manufacturing apparatuses such as the external heat exchanger and troubles caused thereby can be prevented and a stable continuous operation can be continued for a long time.Type: GrantFiled: August 21, 2002Date of Patent: January 30, 2007Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Ryoichi Kobayashi, Shigeki Kura
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Patent number: 7129382Abstract: There is disclosed a process for producing bisphenol A by subjecting phenol and acetone to condensation reaction in the presence of a catalyst composed of an acid type ion exchange resin which is modified in part with a sulfur-containing amine compound, wherein the ion exchange resin having a modification rate of 10 to less than 20 mol % is used for a methanol concentration in acetone of lower than 250 ppm by weight, and the ion exchange resin having a modification rate of 20 to 65 mol % is used for a methanol concentration in acetone of 250 to 8000 ppm by weight. The above process is capable of producing bisphenol A at high conversion and selectivity by suppressing deterioration of catalytic activity due to methanol as an impurity in acetone.Type: GrantFiled: April 13, 2004Date of Patent: October 31, 2006Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Masahiro Iwahara, Tetsuya Saruwatari
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Patent number: 7071138Abstract: A solid catalyst component for olefin polymerization in which the molar ratio of residual alkoxy groups to supported titanium is 0.60 or less is obtained by reacting the following compound (a1) with the following compound (b1) at a hydroxyl group/magnesium molar ratio of 1.0 or more, reacting the reaction mixture with the following compound (c1) at a halogen/magnesium molar ratio of 0.20 or more, reacting the resultant reaction mixture with the following compounds (d1) and (e) at a temperature of 120° C. or higher but 150° C.Type: GrantFiled: November 1, 2002Date of Patent: July 4, 2006Assignee: Idemitsu Petrochemical Co., LTDInventors: Shojiro Tanase, Takanori Sadashima
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Publication number: 20060105907Abstract: A solid catalyst component for olefin polymerization in which the molar ratio of residual alkoxy groups to supported titanium is 0.60 or less is obtained by reacting the following compound (a1) with the following compound (b1) at a hydroxyl group/magnesium molar ratio of 1.0 or more, reacting the reaction mixture with the following compound (c1) at a halogen/magnesium molar ratio of 0.20 or more, reacting the resultant reaction mixture with the following compounds (d1) and (e) at a temperature of 120° C. or higher but 150° C.Type: ApplicationFiled: December 29, 2005Publication date: May 18, 2006Applicant: Idemitsu Petrochemical Co., Ltd.Inventors: Shojiro Tanase, Takanori Sadashima
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Publication number: 20060089434Abstract: The present invention provides a thermoplastic resin composition containing 100 parts by mass of a mixture of a thermoplastic resin (A) and carbon nanotubes (B), the mixture being composed of the component (A) in an amount of 20 to 99.95 mass % and the component (B) in an amount of 0.05 to 20 mass %; a flame retardant (C) in an amount of 0.05 to 30 parts by mass; and a polyfluoroolefin resin in an amount of 0 to 2 parts by mass. The flame retardant is preferably a phosphorus compound, and the thermoplastic resin preferably contains, as a component, an aromatic polycarbonate-polyorganosiloxane copolymer.Type: ApplicationFiled: January 28, 2003Publication date: April 27, 2006Applicant: IDEMITSU PETROCHEMICAL CO., LTD.Inventor: Akio Nodera
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Patent number: 7001945Abstract: A flame-retardant polycarbonate resin composition comprising either a resin mixture of a polycarbonate resin and a styrenic resin, a functional group-having silicone compound, and a fluoro-olefin resin; or a polycarbonate resin, a functional group-having silicone compound, and a core/shell-type, grafted rubbery elastomer; or a resin mixture of a polycarbonate resin and a styrenic resin, a fluoro-olefin resin, an inorganic filler, and a polycarbonate-polyorganosiloxane copolymer and/or a functional group-having silicone resin, which composition and its moldings, exhibit good flame retardance, good impact resistance, and good thermal stability.Type: GrantFiled: March 18, 2003Date of Patent: February 21, 2006Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Akio Nodera, Masahiro Kitayama
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Patent number: 6930160Abstract: 1-butene based polymer satisfying following requirements (1?) to (4?) provides formed product having low stickiness, superior flexibility and transparency. (1?) Crystalline resin having melting point (Tm?P), not observed or in the range of 0 to 100° C., wherein said melting point defined as the peak top of the peak observed in the highest temperature zone of the melting heat absorption curve obtained by heating a sample of said polymer at a rate of 10° C./minute using Differential Scanning Calorimeter (DSC), after melting said sample in advance at 190° for 5 minutes under nitrogen atmosphere, followed by cooling it to ?10° C. at a rate of 5° C./minutes, and keeping it at ?10° C. for 5 minutes. (2?) Stereoregularity index {(mmmm)/(mmrr+rmmr)} is at most 20. (3?) Molecular weight distribution (Mw/Mn) measured by Gel Permeation Chromatography (GPC) method is at most 4.0. (4?) Weight average molecular weight (Mw) measured by GPC method is in the range of 10,000 to 1,000,000.Type: GrantFiled: August 21, 2001Date of Patent: August 16, 2005Assignee: Idemitsu Petrochemical Co. Ltd.Inventors: Yutaka Minami, Masami Kanamaru, Koji Kakigami, Hideo Funabashi
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Publication number: 20050165204Abstract: The present invention provides an aromatic polycarbonate resin product for producing optical disc substrates of high reliability at high molding yield. The aromatic polycarbonate resin for optical disc substrates is produced by adding 0.015 to 0.05 parts by mass of a C14-C30 fatty acid monoglyceride to 100 parts by mass of an aromatic polycarbonate resin, adding water having an electric conductivity, as measured at 25° C., of 1 ?S/cm or less to the resin, the water content of the resin being controlled to 0.05 to 0.3 mass %, melt-extruding the water-added resin, cooling, and cutting to form pellets, the resin having a viscosity average molecular weight (Mv) of 10,000 to 20,000.Type: ApplicationFiled: February 14, 2003Publication date: July 28, 2005Applicant: Idemitsu Petrochemical Co., LtdInventor: Munehiro Chosa
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Patent number: 6906155Abstract: A propylenic polymer according to the present invention or a composition thereof have an excellent melt flowability and contains a less amount of stickiness-causing components, and also has a low modulus and is pliable, and is capable of providing a transparent molded article, thus being useful as a substitute for a pliable vinyl chloride resin. In addition, a molded article made therefrom exhibits an excellent heat seal performance at a low temperature, and is excellent in terms of transparency and rigidity. Specifically, it has an isotactic pentad fraction (mmmm), which indicates a stereoregulariry, of 30 to 80%, a molecular weight distribution (Mw/Mn) of 3.5 or less and an intrinsic viscosity [?] of 0.8 to 5 dl/g.Type: GrantFiled: June 25, 1999Date of Patent: June 14, 2005Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Yutaka Minami, Masato Kijima, Takuji Okamoto, Yasushi Seta, Yasuhiro Mogi, Tsuyoshi Ota, Hideo Funabashi, Takashi Kashiwamura, Noriyuki Tani
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Publication number: 20050118093Abstract: A method for reproducing lithium sulfide, including the steps of reacting lithium halide generated as a byproduct during the production of a polyarylene sulfide by a reaction between lithium sulfide and a halogenated aromatic compound with sodium carbonate to generate lithium sulfide, isolating the lithium carbonate and reacting the lithium carbonate with a sulfur compound to generate the lithium sulfide. According to the above method, lithium sulfide having a less Na content can be reproduced from lithium halide generated as a byproduct during the production of a polyarylene sulfide.Type: ApplicationFiled: December 17, 2002Publication date: June 2, 2005Applicant: Idemitsu Petrochemical Co., LtdInventors: Minoru Senga, Junji Matsui, Hideaki Kakimoto
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Publication number: 20050107239Abstract: The present invention relates to a process for producing sulfide glass or sulfide glass ceramic each capable of conducting a lithium ion, comprising subjecting metallic lithium, sulfur as a simple substance and phosphorus as a simple substance as starting raw materials, which constitute the sulfide glass and sulfide glass ceramic, to mechanical milling to thereby convert them into sulfide glass or sulfide glass ceramic; and a whole solid type cell using the above-mentioned sulfide glass ceramic as a solid electrolyte. According to the present invention, it is made possible to produce sulfide glass and sulfide glass ceramic which are each capable of conducting a lithium ion and which have high electroconductivity at room temperature by a simple and advantageous process from starting raw materials being easily available and inexpensive.Type: ApplicationFiled: January 14, 2003Publication date: May 19, 2005Applicant: IDEMITSU PETROCHEMICAL CO., LTDInventors: Iwao Akiba, Masahiro Tatsumisago
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Patent number: 6890494Abstract: The present invention is directed to a method for polymerizing olefins in a multi-stage polymerization apparatus including a gas-phase polymerization reactor in a subsequent stage. By use of the present method, the composition of gas in the gas-phase reactor is easily adjusted, and moreover, a polymer having an intended composition is produced in a consistent manner. In one aspect, the method for polymerizing olefins is performed in successive, multiple stages by use of a plurality of polymerization reactors disposed in series which include at least one gas-phase polymerization reactor after a first reactor, wherein a multi-component gas is removed from a gas-phase reactor and pressurized and/or cooled to thereby liquefy a portion of the gas; at least a portion of gas is discharged; and the remaining gas and the liquid are returned to the gas-phase reactor.Type: GrantFiled: March 28, 2001Date of Patent: May 10, 2005Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Hideki Satou, Youichi Matsuo, Itaru Matsuhiro
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Publication number: 20050087254Abstract: To provide a transfer method of crude oil and naphtha, in which one piping is used to transfer the naphtha and crude oil to a storage tank from a carrying tank in batches. To use a piping 53 to transfer a naphtha 3 to tanks 6 for the naphtha from inboard tanks 11, a method comprises: connecting the piping 53 to the tanks 4 for the crude oil; calculating the amount of the crude oil 2 remaining in the piping 53 beforehand; discharging the naphtha 3 from the inboard tanks 11; measuring the discharge amount; and stopping the discharge of the naphtha 3, changing to the tanks 4 for the crude oil, and restarting the discharge of the naphtha 3 based on a flow analysis of a mixed fluid 7 including the crude oil 2 and naphtha 3 in the piping 53, when the discharge amount of the naphtha 3 is substantially the same as the pre-calculated amount of the remaining crude oil 2.Type: ApplicationFiled: April 23, 2004Publication date: April 28, 2005Applicants: Idemitsu Petrochemical Co., Ltd., Idemitsu Kosan Co., Ltd., Idemitsu Tanker Co., Ltd.Inventors: Yasuhiko Tashiro, Kunio Enomoto, Yasushi Shinohara, Makoto Fujito
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Patent number: 6867252Abstract: A propylene-based resin composition has good external appearance due to good weld appearance and low gloss and has excellent mechanical properties such as impact resistance and stiffness. The composition is well-balanced in the external appearance and mechanical properties. Automotive interior trims made of the composition are also described. The propylene-based resin composition comprises (A) 60 to 90% by weight of a propylene-based resin (1) comprising 78 to 88% by weight of 23° C. p-xylene insolubles (a) and 12 to 22% by weight of 23° C. p-xylene solubles (b), (2) the insolubles (a) having an isotactic pentad fraction of 95% or higher, a relaxation time (?) of 0.01 to 0.Type: GrantFiled: March 8, 2000Date of Patent: March 15, 2005Assignees: Idemitsu Petrochemical Co., Ltd., Honda Giken Kogyo Kabushiki KaishaInventors: Ryuzo Tomomatsu, Youichi Matsuo, Naoki Narukawa, Tetsushi Yamada, Tetsuya Oda
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Patent number: 6860539Abstract: A window 30 is a two-color molding comprising a transparent section 32 and a frame section 31 integrated with the transparent section 32, the frame section 31 and the transparent section 32 are formed with a first material and a second material respectively, and the first material is a thermoplastic resin with the linear thermal expansion coefficient in the MD direction lower by 1×10?5 to 3×10?5 (mm/(mm.K)) than that of the second material, and also with the MD/TD ratio for the linear thermal expansion coefficient in the range from 0.6 to 1.Type: GrantFiled: April 30, 2003Date of Patent: March 1, 2005Assignees: Idemitsu Petrochemical Co., Ltd., Asahi Glass Company, LimitedInventors: Nobuhiro Watanabe, Tomomi Hasegawa, Akio Ishiguchi
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Publication number: 20050043495Abstract: A propylenic polymer according to the present invention or a composition thereof have an excellent melt flowability and contains a less amount of stickiness-causing components, and also has a low modulus and is pliable, and is capable of providing a transparent molded article, thus being useful as a substitute for a pliable vinyl chloride resin. In addition, a molded article made therefrom exhibits an excellent heat seal performance at a low temperature, and is excellent in terms of transparency and rigidity. Specifically, it has an isotactic pentad fraction (mmmm), which indicates a stereoregulariry, of 30 to 80%, a molecular weight distribution (Mw/Mn) of 3.5 or less and an intrinsic viscosity [?] of 0.8 to 5 dl/g.Type: ApplicationFiled: May 28, 2004Publication date: February 24, 2005Applicant: IDEMITSU PETROCHEMICAL CO., LTD.Inventors: Yutaka Minami, Masato Kijima, Takuji Okamoto, Yasushi Seta, Yasuhiro Mogi, Tsuyoshi Ota, Hideo Funabashi, Takashi Kashiwamura, Noriyuki Tani, Masami Kanamaru, Koji Kakigami
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Publication number: 20050038189Abstract: The present invention relates to a pigment master batch composition which comprises a specific thermoplastic elastomer, a thermoplastic resin and a pigment and clearly reveals grain-like colored patterns and which can effectively suppress a reduction in a pinch-off part strength and an impact strength caused by a pattern-coloring action, and the above composition can be used not only for blow molding but also injection molding and extrusion molding. Further, a change in a color tone of a base color can be inhibited even if a recycled material containing pigments is used to carry out molding, and a rate of defectives produced by a difference in a color tone can be controlled.Type: ApplicationFiled: October 16, 2002Publication date: February 17, 2005Applicant: IDEMITSU PETROCHEMICAL CO., LTDInventors: Masami Takimoto, Yukuo Fujimoto, Takeshi Watanabe