Patents Assigned to Mitsui
  • Publication number: 20120164908
    Abstract: A mixed fiber spunbonded nonwoven fabric which comprises 90 to 10% by weight of a long fiber of thermoplastic resin (A) that has been hydrophilization-treated and 10 to 90% by weight of a long fiber of thermoplastic elastomer (B) and which has a strength ratio [the ratio of a strength at 20% of an elongation at a maximum strength (elongation at a maximum point) to the maximum strength] in at least one direction of not more than 40% and a bulk density of 0.10 to 0.40 g/cm3. The fabric can exhibit excellent initial hydrophilicity, long-lasting hydrophilicity, liquid dispersibility, liquid transpiration property, moisture permeability, breathability, softness, resistance to fluff, stretchability and touch, and low stickiness, and is suitable for sheets constituting absorbent articles such as sanitary napkins, panty liners, incontinence pads, and disposable diapers. A production method is also provided.
    Type: Application
    Filed: July 22, 2010
    Publication date: June 28, 2012
    Applicant: MITSUI CHEMICALS INC.
    Inventor: Naosuke Kunimoto
  • Patent number: 8205322
    Abstract: A method of manufacturing a laminated stator core includes: forming a band-shaped yoke core sub-piece having a shape that an outer half is developed in a straight line when a yoke portion of the laminated stator core is divided into two halves in the width direction by punching a metal plate; forming an outer laminated yoke body by winding and laminating the band-shaped yoke core sub-piece in a spiral shape and coupling it in a caulking manner; forming an inner yoke-attachment magnetic core sub-piece having an inner yoke sub-portion obtained by dividing the inner half in a unit of magnetic poles when the yoke portion of the laminated stator core is divided into two halves in the width direction, by punching a metal plate; forming an inner yoke-attachment laminated magnetic sub-body by laminating and coupling a predetermined number of the inner yoke-attachment magnetic core sub-pieces to each other in a caulking manner; forming an intermediate assembly in which the inner yoke sub-portions form a ring shape by
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: June 26, 2012
    Assignee: Mitsui High-Tec, Inc.
    Inventors: Yoshiaki Mitsui, Katsufusa Fujita
  • Publication number: 20120156448
    Abstract: A fluorine-containing cyclic olefin polymer composition of the present invention includes a fluorine-containing cyclic olefin polymer (A) containing a repeating structural unit represented by the general formula (1) and having a fluorine atom content rate of 40 to 75% by mass; a photocurable compound (B); and a photocuring initiator (C).
    Type: Application
    Filed: August 20, 2010
    Publication date: June 21, 2012
    Applicant: MITSUI CHEMICALS INC
    Inventors: Tadahiro Sunaga, Takashi Oda
  • Patent number: 8202367
    Abstract: An atomic layer growing apparatus includes a film forming chamber (101) in which the vapor phase growth of a film is performed, a substrate table (102) having a heating mechanism accommodated in the film forming chamber (101), and an exhaust mechanism (104). The atomic layer growing apparatus also includes a material supply unit (105) including a material vaporizer (151), two buffer tanks, i.e., a buffer tank A (152a) and buffer tank B (152b), a fill valve A (153a) and supply valve A (154a) of the buffer tank A (152a), a fill valve B (153b) and supply valve B (154b) of the buffer tank B (152b), an injection control valve (155), and a control unit (156) which controls the opening/closing of each valve.
    Type: Grant
    Filed: March 28, 2007
    Date of Patent: June 19, 2012
    Assignee: Mitsui Engineering & Shipbuilding Co., Ltd.
    Inventors: Hiroyuki Tachibana, Kazutoshi Murata, Nozomu Hattori
  • Publication number: 20120149575
    Abstract: There are provided novel A-87774 compounds or salts thereof having a herbicidal activity or a plant growth regulating activity, a microorganism producing the same, a production method thereof, an agrochemical (in particular, herbicide or plant growth regulator) containing the same as an active ingredient, a method for using the same, and a culture of the microorganism.
    Type: Application
    Filed: August 13, 2010
    Publication date: June 14, 2012
    Applicant: MITSUI CHEMICALS AGRO, INC.
    Inventors: Yoshio Shigematsu, Yoshiko Sugie, Masaaki Kizuka
  • Patent number: 8197966
    Abstract: A negative electrode 10 for a nonaqueous secondary battery has an active material layer 12 containing active material particles 12a. The particles 12a are coated at least partially with a metallic material 13 having low capability of lithium compound formation. The active material layer 12 has voids located between the metallic material-coated particles 12a with a void fraction of 15% to 45%. The metallic material 13 on the surface of the particles is preferably present throughout the thickness of the active material layer. The active material particles 12a are preferably of a silicon-based material. The active material layer 12 preferably contains 1% to 3% by weight of an electroconductive carbon material based on the weight of the active material particles 12a.
    Type: Grant
    Filed: April 18, 2007
    Date of Patent: June 12, 2012
    Assignee: Mitsui Mining & Smelting Co., Ltd
    Inventors: Akihiro Modeki, Tomoyoshi Matsushima, Masahiro Hyakutake, Kiyotaka Yasuda, Kayoko Shinzawa, Yoshiki Sakaguchi
  • Patent number: 8198482
    Abstract: This invention relates to a method for producing a carboxylic acid chloride, which efficiently decomposes a Vilsmeier reagent type compound in a carboxylic acid chloride lacking a thermal stability or a carboxylic acid chloride hardly distilled in practice due to a high boiling point with a simple operation and has no adverse effect on a subsequent step, and more particularly to a method for producing a carboxylic acid chloride, characterized by comprising reacting a carboxylic acid with a chlorinating agent in the presence of a catalyst, removing the excessive chlorinating agent from a reaction system after the reaction, and then further adding 1.0 to 3.0 equivalents of the starting carboxylic acid based on the catalyst to the reaction system to decompose a Vilsmeier reagent type compound remaining in the reaction system.
    Type: Grant
    Filed: February 27, 2008
    Date of Patent: June 12, 2012
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Takeshi Kobayashi, Kiyomi Kido, Akinori Nagatomo
  • Patent number: 8197832
    Abstract: We search for a cultivation method for reducing the amount of mycotoxin contamination in wheat which has been an important pending question for the quality in actual producing field of wheat and the health hazard risk for customers. The present invention discloses a method of reducing the contamination amount of mycotoxin in cereals characterized in that one or more compounds A selected from the group consisting of ammonium salts, primary to quaternary ammonium salts, alkali metal salts, alkaline earth metal salts and polyvalent metal salts of phosphorous acid and phosphite ester are given to the cereals.
    Type: Grant
    Filed: December 4, 2003
    Date of Patent: June 12, 2012
    Assignees: Mitsui Chemicals Agro, Inc., Hokusan Co., Ltd.
    Inventors: Daisuke Awakura, Kiyoshi Kimura, Kazuyoshi Masuda
  • Publication number: 20120138599
    Abstract: A semiconductor substrate heat treatment apparatus includes a boat formed by stacking, in a vertical direction, a plurality of susceptors to be treated placing wafers thereon individually, and auxiliary susceptors disposed in a manner to sandwich the plurality of susceptors to be treated therebetween in the vertical direction; an induction heating coil disposed on an outer circumferential side of the boat and configured to generate an alternating magnetic flux in a direction parallel to planes of the plurality of susceptors to be treated on which the wafers are individually placed; and a power supply configured to supply power to the induction heating coil.
    Type: Application
    Filed: September 30, 2010
    Publication date: June 7, 2012
    Applicant: MITSUI ENGINEERING & SHIPBUILDING CO., LTD.
    Inventors: Junya Miyata, Naoki Uchida
  • Publication number: 20120142986
    Abstract: Provided is a process for producing an aromatic hydrocarbon efficiently at high yield from a lower hydrocarbon containing methane as a major component, and such a process for producing an aromatic hydrocarbon includes the step of reacting a lower hydrocarbon containing methane as a major component in the presence of a transition-metal-containing crystalline metallosilicate catalyst which is obtainable by supporting 5 to 25 parts by weight of a transition metal (X) on 100 parts by weight of a modified crystalline metallosilicate obtainable by subjecting a crystalline metallosilicate to a series of treatment (A) including a step (i) of eliminating part of a metal from the crystalline metallosilicate and a silylation step (ii).
    Type: Application
    Filed: August 4, 2010
    Publication date: June 7, 2012
    Applicants: AGENCY FOR SCIENCE TECHNOLOGY AND RESEARCH, MITSUI CHEMICALS, INC.
    Inventors: Akihiro Okabe, Yoshimichi Namai, Hideyuki Ito, Satoshi Akiyama, Michiaki Umeno, Takashi Ono, Toru Nishimura
  • Publication number: 20120141777
    Abstract: The object of the present invention is to provide a metal layer with an insulating layer which is uniform and thin and can be produced in low cost. To achieve the object, a laminate composed of a ceramic insulating layer and a metal layer characterized in that the ceramic insulating layer has a binder provided among ceramic particles constituting a ceramic particle film formed by electrophoretic deposition of the ceramic particles is employed. The laminate can be suitably used as a base material for production of various types of electronic devices, the circuit formation of printed wiring boards, semiconductor circuits and circuits including semiconductor circuits, and capacitors utilizing dielectric performance of the ceramic insulating layer.
    Type: Application
    Filed: April 20, 2010
    Publication date: June 7, 2012
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Yasushi Idemoto, Ryuichi Sato, Naohiko Abe
  • Patent number: 8193681
    Abstract: A laminated stator core 10 and a manufacturing method thereof, the method including producing a plurality of core sheets 15 and 16 from a strip 33, ends 34 of the strip 33 being a part of a product without being cut twice, and rotating and laminating the core sheets. A laminated stator core formed by core sheets blanked from a magnetic strip, both ends of the magnetic strip being one of the sides of the core sheets, wherein the identically shaped core sheets each have a rotor space in the center thereof, each rotor space having a center located off-center in one direction with respect to each center of the core sheets, and the core sheets are rotated by a predetermined angle before being laminated with the rotor spaces vertically aligned.
    Type: Grant
    Filed: November 11, 2008
    Date of Patent: June 5, 2012
    Assignee: Mitsui High-Tec, Inc.
    Inventors: Kazuhiko Umeda, Shuichi Nakamura, Kenichiro Iwata
  • Publication number: 20120132846
    Abstract: The invention provides a piezoelectric polymer material comprising a helical chiral polymer having a weight average molecular weight of from 50,000 to 1,000,000 and optical activity, the piezoelectric polymer material having: crystallinity as obtained by a DSC method of from 20% to 80%; a transmission haze with respect to visible light of 50% or less; and a product of the crystallinity and a standardized molecular orientation MORc, which is measured with a microwave transmission-type molecular orientation meter at a reference thickness of 50 ?m, of from 40 to 700.
    Type: Application
    Filed: February 9, 2012
    Publication date: May 31, 2012
    Applicants: A school Corporation Kansai University, Mitsui Chemicals, Inc.
    Inventors: Mitsunobu YOSHIDA, Shunsuke Fujii, Hitoshi Onishi, Yoshiro Tajitsu, Taizo Nishimoto, Kazuhiro Tanimoto, Kenichi Goto
  • Patent number: 8188156
    Abstract: Disclosed is a polyol composition containing an aromatic polyester polyol having a hydroxyl number of 300-500 mgKOH/g and an average number of functional groups of 2.0-2.5, a medium-chain polyether polyol having a hydroxyl number of 100-250 mgKOH/g and an average number of functional groups of 2.0-4.0 and composed of a polyoxypropylene unit, and a long-chain polyether polyol having a hydroxyl number of 15-40 mgKOH/g, an average number of functional groups of 2.0-4.0 and an oxyethylene content of not more than 14% by weight and mainly composed of a polyoxypropylene unit.
    Type: Grant
    Filed: November 6, 2008
    Date of Patent: May 29, 2012
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Kenji Yamanaka, Masayoshi Idomoto, Kouji Fukui, Masashi Obata, Katsumi Inaoka, Masaaki Shibata
  • Patent number: 8187723
    Abstract: A surface-treated copper foil comprising an electrodeposited copper foil with a chromium-free rust-proofing layer which exhibits good performance in peel strength and resistance to peel loss after chemical treatment as a printed wiring board. The surface-treated copper foil comprises a rust-proofing layer and a silane coupling agent layer formed on an electrodeposited copper foil , wherein the rust-proofing layer comprises a nickel layer having a thickness by weight of 5 to 40 mg/m2 and a tin layer having a thickness by weight of 5 to 40 mg/m2 stacked in this order, and the silane coupling layer is applied on top of the tin layer. The surface-treated copper foil may be further coated with a very thin primer resin layer having a thickness of 0.5 to 5 ?m.
    Type: Grant
    Filed: June 12, 2006
    Date of Patent: May 29, 2012
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventor: Tetsuhiro Matsunaga
  • Patent number: 8187712
    Abstract: To provide a plastic polarized lens which is excellent in processability and the like as well as in adhesion property of the polarized film, and a method of producing the same. In the plastic polarized lens of the present invention, layers comprised of thiourethane-based resins obtained by reacting (A) isocyanate compounds with (B) active hydrogen compounds are stacked on both sides of a polarized film comprised of thermoplastic polyester formed under a predetermined temperature condition.
    Type: Grant
    Filed: February 6, 2009
    Date of Patent: May 29, 2012
    Assignees: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.
    Inventors: Akinori Ryu, Seiichi Kobayashi, Yoshimitsu Aiiso
  • Patent number: 8188191
    Abstract: The present invention is a polyolefin polymer containing vinyl groups at both ends thereof, and a composition and a molded product containing the polymer, wherein the polymer contains a constitutional unit derived from at least one selected from the group consisting of ethylene (a), an ?-olefin (b) having 3 to 20 carbon atoms, and a cyclic olefin (c), and (1) a ratio of terminal vinylation is 70% or more relative to all of both ends of molecular chains, and (2) an intrinsic viscosity [?] is in the range of 0.01 to 10 dl/g as measured in a decalin solution at 135° C. The polymer of the present invention may be molded by a LIM molding, an injection molding, a transfer molding, a compression molding, and the like, and is excellent in acid resistance, gas permeation resistance, hydrolysis resistance, and dynamic fatigue resistance. From the polymer, a thermoplastic resin composition and a crosslinkable resin composition, and a crosslinked composition having excellent mechanical characteristics are obtained.
    Type: Grant
    Filed: August 29, 2007
    Date of Patent: May 29, 2012
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Shigenobu Ikenaga, Keiji Okada, Yoshiki Shimokawatoko, Akihiro Matsuda, Shigekazu Matsui, Masahiro Enna
  • Patent number: 8187722
    Abstract: An object of the present invention is to provide a copper foil with carrier sheet which permits releasing of the carrier sheet from the copper foil layer even when hot pressing at a temperature exceeding 300° C. is applied in the production of a printed wiring board. In order to achieve the object, a copper foil with physically releasable carrier sheet having a copper foil layer on the surface of the carrier sheet through a bonding interface layer, characterized in that the bonding interface layer is composed of a metal layer and a carbon layer. It is preferable for the bonding interface layer to be composed of a metal layer of 1 nm to 50 nm thick and a carbon layer of 1 nm to 20 nm thick.
    Type: Grant
    Filed: May 18, 2007
    Date of Patent: May 29, 2012
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Seiji Nagatani, Hiroshi Watanabe, Kazufumi Izumida
  • Publication number: 20120126393
    Abstract: Disclosed is a resin composition which has high heat dissipation properties and high electrical insulation properties at the same time, while having low-temperature bondability to a conductor circuit or the like. The resin composition contains (A) a thermoplastic polyimide resin having a glass transition temperature of 160 DEG C or less and (B) an inorganic filler. The aspect ratio, that is the value of length/thickness, of the inorganic filler (B) is 9 or more, and the content of the inorganic filler (B) is 40-70 weight % relative to the total weight of the resin composition. The resin composition has a melt viscoelasticity of 10-300 MPa (inclusive) at 170 DEG C.
    Type: Application
    Filed: July 2, 2010
    Publication date: May 24, 2012
    Applicant: Mitsui Chemicals, Inc.
    Inventor: Kenji IIda
  • Patent number: 8182925
    Abstract: It is an object of the invention to provide a carbodiimide modified polyolefin adhesive having excellent adhesive strength in a room temperature atmosphere and excellent adhesive strength in a high temperature atmosphere even in continuously molding with a practical molding machine. An adhesive (D), i.e., a carbodiimide modified polyolefin adhesive of the present invention which can solve the above problem is obtainable by allowing a polyolefin (A) having a group capable of reacting with a carbodiimide group to react with a carbodiimide group-containing compound (B) in the presence of an unmodified polyolefin (C) and having a ratio of a peak intensity at 2130 to 2140 cm?1 to a peak intensity at 1470 cm?1, as determined by infrared absorbance analysis, of not more than 60% and a density of 0.870 g/cm3 to 0.920 g/cm3.
    Type: Grant
    Filed: October 5, 2006
    Date of Patent: May 22, 2012
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Shigeyuki Yasui, Akihide Mori, Seiji Ota