Patents Assigned to Mitsui
  • Process for preparing copper-based catalyst, copper-based catalyst, and pretreatment method of the same
    Patent number: 8623782
    Abstract: There is provided by the present invention a process for preparing a copper-based catalyst having good catalytic activity, markedly excellent durability and good reproducibility. The process for preparing a copper-based catalyst of the invention is a process for preparing a catalyst composed of metal oxides containing copper oxide as an essential component and is characterized by comprising the following steps: (1) a step of bringing an acidic metal salt solution containing copper and a precipitant solution into contact with each other to obtain a slurry solution containing a precipitate of a catalyst precursor, and (2) a step of continuously bringing the slurry solution and a wash liquid into contact with each other to wash the precipitate, with substantially keeping the suspended state.
    Type: Grant
    Filed: February 15, 2010
    Date of Patent: January 7, 2014
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Masami Murakami, Ken Maeda, Yuya Goto
  • RESIN, OPTICAL MATERIAL, AND OPTICAL DEVICE
    Publication number: 20140001950
    Abstract: The purpose of the invention is to provide a resin, which has a high refractive index, excellent heat resistance and moldability, and high transparency, and is useful as a material for configuring optical devices, etc. The invention provides a resin comprising acyl hydrazone bonds and having a number average molecular weight of 500-500,000, wherein the acyl hydrazone bond equivalent is 100-4000.
    Type: Application
    Filed: March 9, 2012
    Publication date: January 2, 2014
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Shunsuke Fujii, Shintaro Maekawa, Hitoshi Onishi, Akifumi Kagayama
  • POLISHING SLURRY AND POLISHING METHOD THEREOF
    Publication number: 20140001153
    Abstract: The present invention provides a polishing technique capable of polishing, at a high speed, a substrate containing Al and having high hardness, such as single-crystal sapphire substrate, and capable of providing a polished surface of high accuracy. The present invention relates to a polishing slurry for polishing a substrate containing aluminum, comprising abrasive grains, an inorganic boron compound having a solubility in water at 20° C. of 0.1 g/100 g—H2O or more, and water. In the present invention, it is preferable that the content of the inorganic boron compound is 0.1% by mass to 20% by mass in terms of boron atoms based on the polishing slurry.
    Type: Application
    Filed: November 24, 2011
    Publication date: January 2, 2014
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Masayuki Matsuyama, Mikimasa Horiuchi
  • METHOD FOR COMBUSTING DIESEL EXHAUST GAS
    Publication number: 20140004026
    Abstract: Provided is a particulate combustion catalyst including a carrier formed of monoclinic zirconium oxide particles, and metallic Ag or Ag oxide, which serves as a catalyst component and is supported on the carrier, wherein the amount of the catalyst component is 0.5 to 10 mass %, as reduced to metallic Ag, on the basis of the mass of the carrier, and preferably, the catalyst has a BET specific surface area of 8 to 21 m2/g. Also provided are a particulate filter coated with the particulate combustion catalyst; and an exhaust gas cleaning apparatus including a particulate filter coated with the particulate combustion catalyst.
    Type: Application
    Filed: September 3, 2013
    Publication date: January 2, 2014
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Takahito ASANUMA, Hiromitsu TAKAGI, Isamu YASHIMA, Akira ABE
  • Pellets comprising polymer and package containing the same
    Patent number: 8617706
    Abstract: First pellets according to the present invention is characterized by satisfying all of the following requirements (Z), (1), (2), and (3): (Z) the pellet comprises a polymer (A) having an elastic modulus in tension of 100 MPa or less, (1) the pellets have an average weight per 30 pellets in the range of 0.80 to 2.00 g; (2) the pellets have a particle size distribution obtained by sieving in which pellets providing a maximum weight fraction account for 90 to 100% of the pellets; and (3) the pellets have a Lave/Dave value in the range of 1.00 to 1.70. Second pellets according to the present invention is characterized by satisfying the requirements of the (Z) and the following (4): (4) the pellets have a blocking force of 35 N or less that is measured after the pellets are left under a load at 35° C. for 24 hours and further at ?10° C. for 7 days.
    Type: Grant
    Filed: August 6, 2007
    Date of Patent: December 31, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Kan Komiya, Tetsuya Nakamura
  • Device for operating a door latch in a vehicle
    Patent number: 8616594
    Abstract: An action with a handle on a vehicle is transmitted to an operational unit in a door, and then to a locking-unlocking unit via a first action-transmitting member. The locking-unlocking unit allows the door latch to disengage from a striker of the vehicle via a second action-transmitting member. The door of the vehicle opens.
    Type: Grant
    Filed: July 13, 2010
    Date of Patent: December 31, 2013
    Assignee: Mitsui Kinzoku Act Corporation
    Inventors: Ryoji Shimura, Hirotaka Nishijima, Hajime Yoneyama
  • Fluoropolymer composite composition
    Patent number: 8618203
    Abstract: The present invention relates to a heat-meltable fluoropolymer composite composition having excellent thermal conductivity, gas and chemical liquid barrier properties and dynamic properties such as storage modulus which comprises a heat-meltable fluoropolymer fine powder and a layered-compound organized by treatment with tetraphenyl phosphonium ions. The present invention also relates to a heat-meltable fluoropolymer composite composition having similar properties to those mentioned above which is obtained by a process (I) in which a heat-meltable fluoropolymer composite composition is obtained by grinding and mixing a heat-meltable fluoropolymer fine powder and a layered-compound and a process (II) in which such heat-meltable fluoropolymer composite composition thus obtained is melted and mixed under shear stress by means of a melt-mixing extruder.
    Type: Grant
    Filed: October 16, 2009
    Date of Patent: December 31, 2013
    Assignees: Dupont-Mitsui Fluorochemicals Co., Ltd., E.I. Dupont de Nemours & Company
    Inventors: Jeong Chang Lee, Noriyuki Suzuki, Shousaku Kondo, Hajime Sato
  • Single layer film and hydrophilic material comprising the same
    Patent number: 8617711
    Abstract: A single layer film containing at least one anionic hydrophilic group selected from a sulfonic acid group, a carboxyl group and a phosphate group, wherein an anion concentration ratio (Sa/Da) of an anion concentration at a surface (Sa) to an anion concentration at a deep part (Da) is 1.1 or more. The single layer film is a copolymer prepared by polymerizing a composition containing a compound (I) represented by the general formula (1) ([X]s[M1]l[M2]m (1)) and a compound (II) having two or more (meth)acryloyl groups in a molecule at a molar ratio of 15:1 to 1:30 and having a water contact angle of 30° or less. Such a single layer film has high hydrophilicity and surface hardness and is excellent in antifogging property, antifouling property and antistatic property, thus is useful as an antifogging material, an antifouling material, an antistatic material and a multilayer body.
    Type: Grant
    Filed: November 27, 2006
    Date of Patent: December 31, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Koju Okazaki, Ryouichi Seki, Takazou Katou, Masatoshi Takagi
  • CHLORINE-DOPED TIN-OXIDE PARTICLES AND MANUFACTURING METHOD THEREFOR
    Publication number: 20130344336
    Abstract: A chlorine-doped tin oxide particle exhibits peaks at at least 108±5 cm?1, 122±5 cm?1, and 133±5 cm?1 in Raman spectroscopy. The chlorine-doped tin oxide particle preferably has an additional Raman spectral peak at 337±10 cm?1. The chlorine-doped tin oxide particle preferably has a specific surface area of 10 to 300 m2/g. The chlorine-doped tin oxide particle preferably has an average primary particle size of 3 to 200 nm. The chlorine-doped tin oxide particle is preferably substantially free of oxygen deficiency.
    Type: Application
    Filed: March 1, 2012
    Publication date: December 26, 2013
    Applicant: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Satoshi Mogi, Kazuhiko Kato, Kenji Suzuoka, Yasunori Tabira, Isamu Yashima
  • MOLDED ARTICLE
    Publication number: 20130344273
    Abstract: A molded article formed of a composition including 100 parts by weight of at least one kind of resin selected from the group consisting of thermoplastic resins and thermosetting resins, and 0.01 parts by weight to 10,000 parts by weight of a silylated polyolefin, which is obtained by a reaction between a silicon-containing compound containing a structural unit represented by Formula (1) and a vinyl group-containing compound having a defined number average molecular weight, a derivative thereof, or a mixture of these, —Si(R1)H—Y1—??(1) wherein R1 and Y1 are defined and with the proviso that the silylated polyolefin is not obtained by a reaction between a silicon-containing compound containing a structural unit represented by Formula (1) and having two or more SH groups per molecule and a compound having 2.0 or more vinyl groups on average per molecule as the vinyl group-containing compound.
    Type: Application
    Filed: January 18, 2012
    Publication date: December 26, 2013
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Kaori Matoishi, Takuma Yano, Hiromasa Marubayashi, Naoki Tomoshige, Naoshi Nagai, Tamotsu Harada, Kuniaki Kawabe
  • FRET detection method and device
    Patent number: 8614099
    Abstract: When FRET efficiency is measured quantitatively by removing uncertain elements of fluorescence detection information, calibration information prestored in a storage means while including at least the leak rate of donor fluorescence component emitted from a donor molecule, the leak rate of acceptor fluorescence component emitted from an acceptor molecule, and the non-FRET fluorescence lifetime of the donor fluorescence component when FRET is not generated out of the fluorescence of a measurement object sample is acquired. The FRET fluorescence lifetime of the donor fluorescence component is then determined using the intensity information and phase information of fluorescence of the measurement object sample, the leak rate of donor fluorescence component and the leak rate of acceptor fluorescence component, thus determining the FRET fluorescence efficiency.
    Type: Grant
    Filed: August 30, 2007
    Date of Patent: December 24, 2013
    Assignee: Mitsui Engineering & Shipbuilding Co., Ltd.
    Inventors: Shigeyuki Nakada, Noriaki Kimura
  • Bacterium capable of producing lactic acid, and method for producing lactic acid
    Patent number: 8614076
    Abstract: The present invention provides: a lactic acid-producing Escherichia coli including an enzymatic activity of at least one NAD-dependent lactate dehydrogenase and an enzymatic activity of at least one NAD-independent lactate oxidoreductase, both of which are enhanced so as to decompose one of D-lactic acid or L-lactic acid and to produce the other one of D-lactic acid or L-lactic acid; and a lactic acid production method using the lactic acid-producing Escherichia coli.
    Type: Grant
    Filed: September 11, 2009
    Date of Patent: December 24, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Mitsufumi Wada, Katsuyuki Takahashi, Takashi Morishige, Daisuke Miyazawa, Hitoshi Takahashi, Daisuke Mochizuki, Tadashi Araki
  • Toner for electrophotography and binder resin for toner
    Patent number: 8614041
    Abstract: Disclosed is a toner for electrophotography containing at least a binder resin. This toner for electrophotography is characterized in that (a) the tetrahydrofuran (THF) soluble content in the toner has a first peak in the molecular weight region of not less than 2,000 but less than 5,000 and a second peak in the molecular weight region of not less than 100,000 but less than 200,000 in the chromatogram obtained by gel permeation chromatography (GPC); (b) the binder resin contains at least a carboxyl group-containing vinyl resin (C) and a glycidyl group-containing vinyl resin (E); and (c) the mass ratio of the styrene monomer to the acrylic monomer in the binder resin, namely (S/A), is not less than 4.6 but less than 8.5.
    Type: Grant
    Filed: December 18, 2007
    Date of Patent: December 24, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Hiroshi Matsuoka, Kazuya Sakata, Hiroyuki Takei, Kenji Uchiyama, Ichiro Sasaki
  • TANTALUM RECOVERY METHOD
    Publication number: 20130336858
    Abstract: There is provided a technology for decreasing copper and tungsten contained in tantalum-containing wastes, and recovering a high-purity tantalum. The present invention is a tantalum recovery method for recovering tantalum from a tantalum-containing waste, the method comprising subjecting the tantalum-containing waste to an acid treatment in an oxidizing atmosphere, thereafter to a roasting treatment and an alkali treatment, and further comprising carrying out a magnetic separation treatment before the acid treatment to thereby separate a tantalum-containing material in the tantalum-containing waste. This is particularly a suitable recovery method for recovering tantalum from wastes containing a relatively large amount of copper and tungsten such as discarded substrates such as printed wiring boards.
    Type: Application
    Filed: March 16, 2012
    Publication date: December 19, 2013
    Applicant: MITSUI MINING & SMELTING CO. LTD
    Inventors: Tatsuya Aoki, Kenji Matsuzaki
  • Spinel-Type Lithium Manganese-Based Composite Oxide
    Publication number: 20130337330
    Abstract: Regarding Spinel-type lithium manganese-based composite oxide (LMO) to be used as a positive electrode active substance material for lithium battery, a novel LMO is provided, which is capable of maintaining discharge capacity even if charging and discharging are repeated under high temperatures. An LMO in which the crystallite size is 250 nm to 350 nm, the strain is 0.085 or less and the specific surface area increase rate when placed in water at 25° and pH 7 and ultrasonically dispersed at 40 W ultrasonic intensity for 600 seconds is 10.0% or less, can prevent a decrease in the output that accompanies the repetition of charging and discharging while at a high temperature.
    Type: Application
    Filed: February 29, 2012
    Publication date: December 19, 2013
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Satoru Taniguchi, Shinya Kagei, Yoshimi Hata
  • RESIN COMPOSITION FOR EXTRUSION COATING, AND LAYERED FILM AND METHOD FOR PRODUCING THE SAME
    Publication number: 20130337279
    Abstract: The present invention provides a resin composition for extrusion coating, the composition including (1) at least one of a copolymer of ethylene and ?,?-unsaturated carboxylic acid or an ionomer thereof and (2) a homopolypropylene, wherein a content of the component (2) is 3 to 12% by mass based on the total mass of the component (1) and the component (2) and has a melt flow rate (at a load of 2160 g and 190° C., JIS K7210) of 4.0 g/10 min, or more.
    Type: Application
    Filed: December 14, 2011
    Publication date: December 19, 2013
    Applicant: DU PONT-MITSUI POLYCHEMICALS CO., LTD.
    Inventors: Shigenori Nakano, Kaoru Suzuki
  • ADHESIVE COMPOSITION FOR SOFT TISSUES, ADHESIVE COMPOSITION FOR WOUND DRESSING OR WOUND DRESSING COMPOSITION
    Publication number: 20130336882
    Abstract: The adhesive composition for soft tissues, the adhesive composition for wound dressing or the wound dressing agent composition of the present invention is an adhesive composition for soft tissues, an adhesive composition for wound dressing or a wound dressing agent composition, comprising a monomer (A), a polymer (B) and a polymerization initiator composition (C) containing an organoboron compound, and is characterized by having a viscosity of 0.4 to 75,000 cp within 30 seconds after mixing of the components (A), (B) and (C). The composition of the present invention not only has low toxicity, low harmfulness and high adhesive strength but also is excellent in workability during application and is capable of forming films of excellent properties.
    Type: Application
    Filed: August 14, 2013
    Publication date: December 19, 2013
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Noriaki ASADA, Shinya Aoki, Hiroshi Naruse, Shoichi Miyakoshi, Masami Arata
  • Resin composition and use thereof
    Patent number: 8609769
    Abstract: An object of the present invention is to provide resin compositions which have excellent tensile strength, impact resistance and appearance without deterioration in properties inherent to general-purpose engineering plastics and propylene resins and to provide uses thereof. The resin compositions of the present invention contain 20 to 80 wt % of a general-purpose engineering plastic (A), 10 to 50 wt % of a polypropylene resin (B) and 1 to 30 wt % of a modified propylene resin (C), and the modified propylene resin (C) is obtained by modifying a resin composition (C-3) which includes 0 to 40 wt % of a polypropylene (C-1) having a melting point of not less than 120° C., and 60 to 100 wt % of a propylene/C2 or C4-10 ?-olefin copolymer (C-2) having a melting point (Tm) of less than 120° C. or not showing a melting point peak in DSC.
    Type: Grant
    Filed: March 24, 2009
    Date of Patent: December 17, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventor: Kan Komiya
  • Atomic layer deposition apparatus and atomic layer deposition method
    Patent number: 8607733
    Abstract: An atomic layer deposition apparatus includes: a first chamber which is surrounded by walls including a supply hole for the reactive gas formed thereon; a second chamber which is surrounded by walls including a supply hole for a source gas formed thereon; an antenna array which is provided in the first chamber, the antenna array having a plurality of rod-shaped antenna elements provided in parallel respectively to produce the plasma using the reactive gas; a substrate stage which is provided in the second chamber, the substrate being placed on the substrate stage; and a connecting member which connects the first chamber and the second chamber to supply gas containing reactive gas radical from the first chamber to the second chamber, the reactive gas radical being produced using the antenna array.
    Type: Grant
    Filed: February 17, 2009
    Date of Patent: December 17, 2013
    Assignee: Mitsui Engineering & Shipbuilding Co., Ltd.
    Inventor: Hiroyuki Tachibana
  • Lithium-Manganese-Type Solid Solution Positive Electrode Material
    Publication number: 20130327979
    Abstract: Provided is a lithium-manganese-type solid solution positive electrode material capable of effectively suppressing gas generation in an initial cycle. Proposed is a lithium-manganese-type solid solution positive electrode material that includes a monoclinic structure of C2/m in a hexagonal structure of a space group R-3m. The lithium-manganese-type solid solution positive electrode material contains a solid solution expressed by a composition formula: xLi4/3Mn2/3O2+(1?x)LiMn?Co?Ni?O2 (in the formula, 0.2???0.6, 0???0.4, and 0.2???0.6). In the composition formula, x is equal to or more than 0.36 and less than 0.50.
    Type: Application
    Filed: August 14, 2013
    Publication date: December 12, 2013
    Applicant: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Akihiro Modeki, Yanko Marinov Todorov, Shinya Kagei