Patents Assigned to Mitsui
  • Publication number: 20120021234
    Abstract: Provided is a low-cost polyimide, containing cyclohexane diamine as a diamine unit, that has a low thermal expansion coefficient. Said block polyimide contains blocks having the repeating structural unit shown in formula (1A) and blocks having the repeating structural unit shown in formula (1B). This block polyimide is preferably obtained by imidizing a block polyamide acid imide that contains blocks having the repeating structural unit shown in formula (2A) and blocks having the repeating structural unit shown in formula (2B).
    Type: Application
    Filed: March 18, 2010
    Publication date: January 26, 2012
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kenichi Fukukawa, Tatsuhiro Urakami, Yoshihiro Sakata, Wataru Yamashita, Masaki Okazaki
  • Publication number: 20120019093
    Abstract: A laminated core 10 improves material yield and prevents cracks or breakages of core pieces by relaxing stress on connecting portions 13. A connected core segment 14 to be the laminated core 10 includes: a V-shaped cutout 17 located radially inward from the connecting portion 13, the cutout 17 opening in a radially inward direction with an opening angle of 360°/n given that n is a number of core segments 19; a slit 18 located radially outward from the connecting portion 13, the slit 18 dividing adjacent segment yokes 12 located radially outward from the connecting portion; a first through-hole 20 having a circular arc formed in a radially outward end of the cutout 17 in contact with the connecting portion 13; and a second through-hole 21 having a circular arc formed in a radially inward end of the slit 18 in contact with the connecting portion 13.
    Type: Application
    Filed: April 28, 2010
    Publication date: January 26, 2012
    Applicant: MITSUI HIGH-TEC, INC.
    Inventors: Kiyohisa Maki, Yusuke Hasuo, Mei Arazoe
  • Publication number: 20120018674
    Abstract: An emitting phosphor is provided, which can be excited by a blue LED or a near-UV LED, emit visible light and increase internal quantum efficiency. An emitting phosphor is proposed, comprising an orthorhombic crystal system comprising Ga and S, wherein the orthorhombic crystal system has, in an XRD pattern using a Cu K? beam, a proportion of the diffraction intensity of the maximum peak appearing at diffraction angle 2?=16.0 to 18.0° with respect to the diffraction intensity of the maximum peak appearing at diffraction angle 2?=23.6 to 24.8° of 0.4 or greater.
    Type: Application
    Filed: June 2, 2010
    Publication date: January 26, 2012
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Asuka Sasakura, Jun-ichi Itoh, Taizo Morinaka
  • Patent number: 8101254
    Abstract: The present invention provides a molded product exhibiting excellent various properties by improving compatibility of an ethylene/?-olefin/non-conjugated polyene copolymer with a polyolefin resin and a rubber composition for forming the molded product. The present invention further provides a molded product which comprises a rubber composition, is inhibited from fogging and tackiness and is excellent in mechanical strength and heat aging resistance. The rubber composition of the invention comprises an ethylene/?-olefin/non-conjugated polyene copolymer (A), and a polyolefin resin (B) having Mn of not less than 10,000 and/or an ethylene/?-olefin copolymer (C) having Mn of 2500 to 5000, and satisfies the following requirements: (1) a maximum value and a minimum value of an ethylene distribution parameter P of the component (A) have a relationship of Pmax/Pmin?1.
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: January 24, 2012
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Yuji Noguchi, Takashi Hakuta, Hiroki Ebata, Kotaro Ichino, Shuichi Nonaka, Satoshi Hase, Kazuyoshi Kaneko, Akinori Takehara
  • Patent number: 8101684
    Abstract: A material which is excellent in mechanical strength, solar cell sealing properties, transparency, etc., even in an uncrosslinked state and is used in producing a sheet for solar cell sealing. The thermoplastic resin composition for solar cell sealing comprises (A) 0-70 wt. % propylene polymer having a melting point of 100° C. or higher and (B) 30-100 wt. % propylene copolymer satisfying the following requirements (b). (b) The copolymer has an MFR (230° C., 2.16-kg load) in the range of 0.01-100 g/10 min and satisfies at least one of the following requirements (b-1) and (b-2): (b-1) the rr content is 60% or higher; and (b-2) the copolymer comprises 55-90 mol % structural units derived from propylene and 10-45 mol % structural units derived from a C2-20 ?-olefin (excluding propylene) and has an intrinsic viscosity [?] (dL/g) (measured in 135° C. decalin) satisfying a specific relationship with the MFR.
    Type: Grant
    Filed: July 27, 2007
    Date of Patent: January 24, 2012
    Assignee: Mitsui Chemicals, Inc.
    Inventor: Hiroshi Hoya
  • Patent number: 8101657
    Abstract: The invention provides a plant disease and insect damage control composition including, as active ingredients, dinotefuran and at least one fungicidal compound; and a plant disease and insect damage prevention method that includes applying such a composition to a plant body, soil, plant seed, stored cereal, stored legume, stored fruit, stored vegetable, silage, stored flowering plant, or export/import timber. The invention provides a new plant disease and insect damage control composition and a plant disease and insect damage prevention method with very low toxicity to mammals and fishes, the composition and method showing an effect against plural pathogens and pest insects, including emerging resistant pathogens and resistant pest insect, by application to a plant body, soil, plant seed, stored cereal, stored legume, stored fruit, stored vegetable, silage, stored flowering plant, or export/import timber.
    Type: Grant
    Filed: November 22, 2007
    Date of Patent: January 24, 2012
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Eiichi Yamada, Ryutaro Ezaki, Hidenori Daido
  • Patent number: 8099905
    Abstract: A window regulator includes a carrier member to which a window panel is attached, a pair of sliding elements provided on the carrier member, and a positioning unit which relatively positions the pair of sliding elements in a state where the pair of sliding elements press the guide rail and the pair of sliding elements sandwich the guide rail.
    Type: Grant
    Filed: September 4, 2008
    Date of Patent: January 24, 2012
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Kazuyuki Sasaki, Ryoji Shimura, Yasunori Nakajima
  • Publication number: 20120016172
    Abstract: A method for manufacturing an olefin through reaction between the same type of or different types of raw material olefins to obtain an olefin having a structure different from the structure of the raw material olefins, the method including using a catalyst containing at least one type of metal element selected from the group consisting of tungsten, molybdenum, and rhenium together with other specific catalysts. In the method, side reactions of a metathesis reaction can be suppressed and the selectivity of a desired product can be increased by facilitating double bond isomerization of raw material olefins. Furthermore, the desired product can be obtained efficiently at a high productivity by maintaining the activity of a metathesis catalyst for a long term and suppressing deterioration of performance of a catalyst (isomerization catalyst) for facilitating double bond isomerization of the raw material olefins.
    Type: Application
    Filed: March 31, 2010
    Publication date: January 19, 2012
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Satoru Miyazoe, Hirokazu Ikenaga, Makoto Kotani
  • Publication number: 20120012776
    Abstract: With the object of providing a positive electrode active material for lithium battery that can increase the filling density, can increase the output characteristics, and furthermore, with a small voltage decrease during conservation at high temperature in a charged state, a positive electrode active material for lithium battery is proposed, containing a spinel type (Fd3-m) lithium transition metal oxide represented by general formula Li1+xM2-xO4-? (where M represents a transition metal including Mn, Al and Mg, x represents 0.01 to 0.08 and 0??) and a boron compound, the inter-the atomic distance Li—O of the spinel type lithium transition metal oxide being 1.971 ? to 2.006 ?, and the amount of magnetic substance measured for the positive electrode active material for lithium battery being 600 ppb or less.
    Type: Application
    Filed: March 31, 2010
    Publication date: January 19, 2012
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Shinya Kagei, Keisuke Miyanohara, Yoshimi Hata, Yasuhiro Ochi, Kenji Sasaki
  • Publication number: 20120012832
    Abstract: There are provided an aromatic monoamine derivative having a fluorene structure-containing organic group and an aromatic hydrocarbon group-containing organic group, and an organic electroluminescent element containing an organic thin film layer composed of a single layer or plural layers while including at least a light emitting layer, the organic thin film layer being between a cathode and an anode, wherein at least one layer of the organic thin film layer, particularly a hole transport layer, contains the aromatic amine derivative alone or as a component of a mixture. An organic electroluminescent element which maintains high luminous efficiency even if exposed to a high temperature environment, and has a low driving voltage and a long emission lifetime, and an aromatic amine derivative capable of realizing the organic electroluminescent element are provided.
    Type: Application
    Filed: March 18, 2010
    Publication date: January 19, 2012
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Nobuhiro Yabunouchi, Tomoki Kato, Takahiro Fujiyawa, Yoshiyuki Totani
  • Patent number: 8098016
    Abstract: An impedance matching device is provided with a basic element having variable characteristic parameters for impedance matching, and an auxiliary element having variable characteristic parameters. At the time of generating plasma by using the impedance matching device, the characteristic parameters of the basic element of each antenna element are fixed, respectively, and the characteristic parameters of the auxiliary element are adjusted for each antenna element. Thus, in an adjusted status where impedance matching for each antenna element is adjusted, each antenna element of an antenna array is fed with a high frequency signal, an electromagnetic wave is radiated from the antenna element, the characteristic parameters of the basic element of each antenna element are synchronized and adjusted, and the impedances of the whole antenna array are matched.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: January 17, 2012
    Assignee: Mitsui Engineering & Shipbuilding Co., Ltd.
    Inventor: Yasunari Mori
  • Patent number: 8096606
    Abstract: A sliding door in a vehicle includes a motor unit, a guide positioned rail along the sliding door, a slider that slides along the guide rail, a cable coupled to the motor unit, a hinge unit in which the outer thereof end is pivotally mounted to a body of the vehicle and the inner thereof is pivotally mounted to the slider, and a control lever pivotally mounted to the slider and coupled to the hinge unit. The cable is pulled by in the motor unit to turn the control lever, which turns the hinge unit and moves the sliding door from a closed position to a projecting position for opening.
    Type: Grant
    Filed: October 20, 2008
    Date of Patent: January 17, 2012
    Assignee: Mitsui Kinzoku Act Corporation
    Inventors: Naoki Hanaki, Andrew Baranowski, Bryan Farris
  • Patent number: 8097672
    Abstract: The crosslinked material of the present invention is obtainable by crosslinking a propylene resin composition through irradiation with an ionizing radiation wherein the propylene resin composition comprises 100 parts by mass of a propylene resin comprising 15 to 99% by mass of a propylene polymer (A) having a melting point, as measured by a differential scanning calorimeter (DSC), of 120 to 170° C., and 1 to 85% by mass of a propylene polymer (B) having a melting point, as measured by a differential scanning calorimeter (DSC), of below 120° C. or not observed (provided that the total of the components (A) and (B) is 100% by mass), and 0.1 to 5 parts by mass of a crosslinking assistant (C). The production process of the crosslinked material of the present invention comprises a step of molding the propylene resin composition into a molded form, and a step of crosslinking the molded form through irradiation with an ionizing radiation.
    Type: Grant
    Filed: April 23, 2008
    Date of Patent: January 17, 2012
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Hiroshi Uehara, Kiminori Noda, Masayoshi Yamaguchi
  • Patent number: 8096798
    Abstract: A molding machine for production of gas hydrate pellets under a high pressure in gas hydrate forming conditions, which is inexpensive through minimizing of the use of expensive mechanical seal. The molding machine comprises two forming rolls each fitted to a rotary shaft whose both ends are supported by bearings; a drive unit for rotating the forming rolls; a screw transfer unit for supplying powder to the forming rolls; and a high-pressure vessel, wherein the bearings, the rotary shaft and the forming rolls are all disposed in the high-pressure vessel.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: January 17, 2012
    Assignees: Mitsui Engineering & Shipbuilding Co., Ltd., The Chugoku Electric Power Co., Inc.
    Inventors: Kenji Watanabe, Kiyoaki Suganoya, Takahiro Yoshida, Kenji Ogawa, Shigeru Nanbara, Shinji Imai
  • Patent number: 8097079
    Abstract: A laminating adhesive includes a polyol; an acid-modified polyol obtained by reaction of a hydrophobic polyol containing a hydrocarbon moiety having 12 to 80 carbon atoms in its molecule in an amount of 30 to 95% by weight or a derivative thereof with an aromatic polycarboxylic acid anhydride and having a carboxyl group at a molecular terminal thereof; an organic polyisocyanate compound; and a silane coupling agent. A laminating adhesive film is excellent even after high-temperature sterilization treatment in adhesion performance between a metal foil or a barrier film and a plastic film serving as an inner layer, and also in adhesion performance between a metal foil or a barrier film and a plastic film serving as an outer layer.
    Type: Grant
    Filed: February 14, 2007
    Date of Patent: January 17, 2012
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Hideki Terada, Shigetoshi Sasano
  • Publication number: 20120010453
    Abstract: A novel olefin production process is provided which can be established as an industrial and practical process capable of producing olefins by directly reacting a ketone and hydrogen in a single reaction step. In particular, a novel olefin production process is provided in which propylene is obtained with high selectivity by directly reacting acetone and hydrogen. The olefin production process according to the present invention includes reacting a ketone and hydrogen in the presence of at least one dehydration catalyst and a silver-containing catalyst, and the at least one dehydration catalyst is selected from metal oxide catalysts containing a Group 6 element, zeolites, aluminas and heteropoly acid salts in which part or all the protons in heteropoly acids are exchanged with metal cations.
    Type: Application
    Filed: March 12, 2010
    Publication date: January 12, 2012
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Tsuneyuki Ohkubo, Kenji Fujiwara, Terunori Fujita, Masayasu Ishibashi
  • Patent number: 8088865
    Abstract: Provided is a method for producing a resin composition by melt-kneading a cyclic olefin polymer (A) having a glass transition temperature of from 60 to 200° C. and a flexible polymer (B) having a glass transition temperature of 0° C. or lower, wherein a part of the cyclic olefin polymer (A) is previously melt-kneaded with the flexible polymer (B) and a radical initiator (C) and then the remaining cyclic olefin polymer (A) is added thereto and melt-kneaded. The cyclic olefin polymer (A) is divided into two portions and added separately at two times, and accordingly, the mixture having a crosslinked structure may be diluted with the cyclic olefin polymer (A) not having a crosslinked structure, and the increase in the melt viscosity of the resin composition may be thereby prevented. A composition having good abrasion resistance and good melt shapability can be obtained.
    Type: Grant
    Filed: August 29, 2005
    Date of Patent: January 3, 2012
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Kazuyoshi Kaneko, Toshiyuki Hirose
  • Publication number: 20110319566
    Abstract: Provided is a sheet for a solar cell encapsulant containing (A) an ethylene-based polymer having a melting point of 90° C. or higher and containing an ethylene-derived constituent unit as a main component; (B) an ethylene-vinyl acetate copolymer having a vinyl acetate-derived constituent unit at a content ratio of from 19% to 40% by mass; and (C) a silane coupling agent having an amino group. The sheet for solar cell encapsulant has the excellent transparency and flexibility possessed by an ethylene-vinyl acetate copolymer. Furthermore, a crosslinking treatment is substantially unnecessary, and adhesiveness and adhesion stability that are appropriate for practical use are obtained.
    Type: Application
    Filed: February 15, 2010
    Publication date: December 29, 2011
    Applicant: DU PONT-MITSUI POLYCHEMICALS CO., LTD.
    Inventors: Koichi Nishijima, Yasuki Shibata, Koji Kawano
  • Publication number: 20110318590
    Abstract: Disclosed are a metal layer-attached film for an electronic component having an adhesive layer excellent in adhesion to a metal and excellent in the productivity, a method for producing the film, and use application of the film. The metal layer-attached film for an electronic component has a metal layer stacked on at least one surface of a resin film through an adhesive layer, wherein the adhesive layer contains an ethylene-unsaturated carboxylic acid copolymer or a metal salt thereof.
    Type: Application
    Filed: March 23, 2010
    Publication date: December 29, 2011
    Applicant: DU PONT-MITSUI POLYCHEMICALS CO., LTD.
    Inventors: Nobuyuki Maki, Hidenori Hashimoto, Yoshimasa Yamamoto
  • Publication number: 20110319540
    Abstract: Disclosed is a method for producing an aqueous dispersion, which includes using ammonia (B) to neutralize and disperse an ethylene/methacrylic acid copolymer (A) in an aqueous medium in the presence of monohydric alcohol (C) containing 3 or more carbon atoms. The process allows for dispersion with ammonia and production of a low viscosity aqueous dispersion with better dispersibility and higher uniformity of the dispersed particles than a conventional process with ammonia neutralization.
    Type: Application
    Filed: March 1, 2010
    Publication date: December 29, 2011
    Applicant: DU PONT-MITSUI POLYCHEMICALS CO., LTD.
    Inventors: Toshihiro Ito, Akira Fujiwara