Patents Assigned to Mitsui
  • Publication number: 20110031448
    Abstract: Copper powder is provided, which, while having fine granularity, does not loose either resistance to oxidation or balance in conductivity, and furthermore, copper powder for conductive paste in which variations in shape and granularity are small and having a low concentration in oxygen content. The copper powder for conductive paste contains 0.07 to 10 atomic % Al inside each copper particle in the powder.
    Type: Application
    Filed: October 14, 2010
    Publication date: February 10, 2011
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Koyu Ota, Touru Kurimoto, Yoshiaki Uwazumi, Koichi Miyake, Katsuhiko Yoshimaru
  • Publication number: 20110034648
    Abstract: Provided are a solid titanium catalyst component for ethylene polymerization which can polymerize ethylene at a high activity and which can provide an ethylene polymer having an excellent particle property, an ethylene polymerization catalyst and an ethylene polymerization method in which the catalyst is used. The solid titanium catalyst component (I) for ethylene polymerization according to the present invention is obtained by bringing a liquid magnesium compound (A) including a magnesium compound, an electron donor (a) having 1 to 5 carbon atoms and an electron donor (b) having 6 to 30 carbon atoms into contact with a liquid titanium compound (C) under the presence of an electron donor (B) and includes titanium, magnesium and a halogen. The ethylene polymerization catalyst of the present invention includes the component (I) and an organic metal compound catalyst component (II).
    Type: Application
    Filed: April 3, 2009
    Publication date: February 10, 2011
    Applicant: Mitsui Chemicals
    Inventors: Kazuhisa Matsunaga, Hideki Yamamoto, Kunio Yamamoto, Tetsunori Shinozaki, Kiyoshi Takahashi
  • Patent number: 7884159
    Abstract: A propylene polymer resin composition characterized in that it has a flexural modulus in the range of 200 to 1200 MPa and a melt flow rate (MFR) measured at 230° C. in the range of 0.1 to 30 g/min, and a melt tension (MT (mN)) and an MFR (g/10 min) measured at 230° C. satisfy a specific formula, and a sheet or film obtained therefrom. According to the present invention, there is provided a polyolefin film which is excellent in transparency and especially excellent in transparency and low-temperature heat shrinkable properties after stretching.
    Type: Grant
    Filed: January 31, 2007
    Date of Patent: February 8, 2011
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Takayuki Kuroki, Norihide Inoue
  • Patent number: 7883783
    Abstract: An electrodeposited copper foil with carrier foil on which a resin layer for forming an insulating layer is formed, comprising a carrier foil, a bonding interface layer, an electrodeposited copper foil with smooth surfaces on both sides and a resin layer. The resin layer is composed of 20 to 80 parts by weight of an epoxy resin and a curing agent, 20 to 80 parts by weight of a solvent soluble aromatic polyamide resin polymer and optionally a curing accelerator in a suitable amount.
    Type: Grant
    Filed: March 15, 2005
    Date of Patent: February 8, 2011
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventor: Seiji Nagatani
  • Patent number: 7884216
    Abstract: The present invention provides a fluorine-containing pyrazolecarbonitrile derivative and a method for producing the same, and a fluorine-containing pyrazolecarboxylic acid derivative obtained by using the fluorine-containing pyrazolecarbonitrile derivative and a method for producing the same. A fluorine-containing acyacrylonitrile derivative prepared from a fluoroacyl derivative and an aminoacrylonitrile derivative, is reacted with a hydrazine derivative to produce a fluorine-containing pyrazolecarbonitrile derivative represented by Formula (1). In Formula (1), Rf represents an alkyl group having 1 to 6 carbon atoms and substituted with at least one fluorine atom; R1 represents an alkyl group having 1 to 6 carbon atoms and R2 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms or the like. The fluorine-containing pyrazolecarbonitrile derivative represented by Formula (1) is reacted with water to produce a fluorine-containing pyrazolecarboxylic acid derivative.
    Type: Grant
    Filed: February 13, 2008
    Date of Patent: February 8, 2011
    Assignee: Mitsui Chemicals Agro, Inc.
    Inventors: Hideki Umetani, Takeshi Kakimoto, Yoji Aoki
  • Publication number: 20110028658
    Abstract: An ionomer resin composition according to the present invention is obtained by bringing a functional group-containing olefin copolymer (A) having a structural unit derived from a cyclic olefin in the range of 10 percent by mol or more and having a group derived from an acid and/or a derivative thereof as the functional group into contact with a metal compound (B). A shaped article having well-balanced two excellent properties of the optical characteristics and the moisture permeability can be formed by using the ionomer resin composition.
    Type: Application
    Filed: March 30, 2009
    Publication date: February 3, 2011
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Hirokazu Tanaka, Takayuki Onogi, Hiroyasu Oochi
  • Publication number: 20110028707
    Abstract: An object of the present invention is to provide a ketone body accumulation inhibitor which inhibits the accumulation of ketone bodies caused by exercising. The present invention provides a ketone body accumulation inhibitor containing isomaltulose as an active ingredient.
    Type: Application
    Filed: March 25, 2009
    Publication date: February 3, 2011
    Applicant: MITSUI SUGAR CO., LTD.
    Inventors: Masahiro Okuno, Koji Suzuki
  • Publication number: 20110027134
    Abstract: An object of the invention is to provide a decomposing system for polyisocyanate residues that is capable of suppressing reaction of polyisocyanate residues with high temperature and high pressure water to allow smooth start-up of the operation, and a start-up method for the decomposing system for the polyisocyanate residues. The decomposing system is used for hydrolyzing the polyisocyanate residues to polyamine using high temperature and high pressure water, comprising a hydrolyzer, a water feed pipe connected to the hydrolyzer, a residual feed pipe connected to the water feed pipe, a solvent feed line for filling an organic solvent in a solvent filling portion of the residual feed pipe, and a solvent draining line. Upon start-up of the operation, the organic solvent is previously filled in the solvent filling portion via the solvent feed line and the solvent draining line, first, and then, the high temperature and high pressure water is fed from the water feed pipe to the hydrolyzer.
    Type: Application
    Filed: October 15, 2010
    Publication date: February 3, 2011
    Applicant: MITSUI CHEMICALS, Inc.
    Inventors: Tadashi Yoshida, Yasumichi Ooto, Akio Saito
  • Patent number: 7879960
    Abstract: A high molecular weight propylene polymer exhibiting high stereoregularity (isotactic) and high position selectivity can be effectively produced by polymerizing at least one monomer selected from propylene, ?-olefins and polyenes in the presence of a catalyst for olefin polymerization comprising: (A) a bridged metallocene compound represented by the General Formula [I] given in claims (diphenylmethylene(3-tert-butyl-5-ethyl-cyclopentadienyl)(fluorenyl)zirconium dichloride, etc.); and (B) one or more compound(s) selected from (b-1) an organoaluminumoxy compound (b-2) a compound which reacts with the bridged metallocene compound (A) to form an ion pair, and (b-3) an organoaluminum compound.
    Type: Grant
    Filed: August 29, 2005
    Date of Patent: February 1, 2011
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Munehito Funaya, Naritoshi Hirota, Mayumi Hiwara, Yasushi Tohi, Koji Kawai, Ryoji Mori, Masahiko Okamoto, Shigenobu Ikenaga, Hiromasa Marubayashi
  • Patent number: 7879947
    Abstract: A composition having gas-barrier properties, which can produce a resin film having gas-barrier properties under high humidity conditions and high abrasion resistance, and a coating film formed by thermally treating a film-like product of the composition having gas-barrier properties and a method for producing the same are provided. A composition having gas-barrier properties, comprising a water-soluble polymer having hydroxyl group (A), a water-soluble polymer having carboxyl group (B), a metal alkoxide and/or a hydrolysis condensate thereof (C), and an esterification catalyst (E), such that the weight ratio of the component (A) and the component (B) is 97/3 to 3/97, and the component (C) is contained in an amount ranging from 1 part by weight to 400 parts by weight, while the component (E) is contained in an amount ranging from 0.
    Type: Grant
    Filed: February 18, 2009
    Date of Patent: February 1, 2011
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Katsunori Nishiura, Kazuyuki Fukuda, Toshihiko Takaki
  • Patent number: 7879950
    Abstract: A solvent dispersion of a composite resin which comprises a solvent and a composite resin comprising a thermoplastic elastomer (A) and a polymer of copolymerizable monomers (B) comprising a monomer having an ?,?-monoethylenically unsaturated group and other copolymerizable monomer(s), wherein the thermoplastic elastomer (A) is a propylene-based elastomer having a molecular weight distribution (Mw/Mn) of not more than 3 as measured by gel permeation chromatography (GPC), and the copolymerizable monomers (B) include at least one monomer containing no functional groups; and uses of the dispersion. The dispersion can be used to provide a coating material, primer, adhesive, additive, binder, film, and primer for strippable paints and traffic paints, which have excellent adhesiveness to various materials.
    Type: Grant
    Filed: April 30, 2004
    Date of Patent: February 1, 2011
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Keiichi Asami, Kunihiko Takeuchi
  • Publication number: 20110022014
    Abstract: An extensible nonwoven fabric comprises a fiber comprising at least two olefin-based polymers. These olefin-based polymers are of the same kind and have different induction periods of strain-induced crystallization as measured at the same temperature and shear strain rate. A composite nonwoven fabric of the invention comprises at least one layer comprising the extensible nonwoven fabric.
    Type: Application
    Filed: September 30, 2010
    Publication date: January 27, 2011
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: KENICHI SUZUKI, Hisashi Morimoto, Katsuaki Harubayashi, Shigeyuki Motomura, Pingfan Chen
  • Publication number: 20110018108
    Abstract: Disclosed is a composition comprising a hydrolysate of an alkoxysilane compound, a hydrolysate of a siloxane compound represented by Formula (1), a surfactant, and an element having an electronegativity of 2.5 or less. In Formula (1), RA and RB independently represent a hydrogen atom, a phenyl group, —CaH2a+1, —(CH2)b(CF2)cCF3 or —CdH2d?1, RA and RB are not both hydrogen atoms simultaneously, RC and RD independently represent a single bond that links a silicon atom and an oxygen atom to form a cyclic siloxane structure, or each independently represent a hydrogen atom, a phenyl group, —CaH2a+1, —(CH2)b(CF2)cCF3, or —CdH2d?1, a represents an integer of 1 to 6, b represents an integer of 0 to 4, c represents an integer of 0 to 10, d represents an integer of 2 to 4, and n represents an integer of 3 or greater.
    Type: Application
    Filed: March 30, 2009
    Publication date: January 27, 2011
    Applicant: Mitsui Chemicals ,Inc.
    Inventors: Kazuo Kohmura, Hirofumi Tanaka
  • Patent number: 7875253
    Abstract: An object of the invention is to provide a decomposing system for polyisocyanate residues that is capable of suppressing reaction of polyisocyanate residues with high temperature and high pressure water to allow smooth start-up of the operation, and a start-up method for the decomposing system for the polyisocyanate residues. The decomposing system is used for hydrolyzing the polyisocyanate residues to polyamine using high temperature and high pressure water, comprising a hydrolyzer, a water feed pipe connected to the hydrolyzer, a residual feed pipe connected to the water feed pipe, a solvent feed line for filling an organic solvent in a solvent filling portion of the residual feed pipe, and a solvent draining line. Upon start-up of the operation, the organic solvent is previously filled in the solvent filling portion via the solvent feed line and the solvent draining line, first, and then, the high temperature and high pressure water is fed from the water feed pipe to the hydrolyzer.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: January 25, 2011
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Tadashi Yoshida, Yasumichi Ooto, Akio Saito
  • Patent number: 7875350
    Abstract: Ethylene polymer particles having an intrinsic viscosity [?] of 5 dl/g to 30 dl/g, a degree of crystallinity of as high as 80% or more, and a specific shape on the surface of the particles. The ethylene polymer particles can be obtained by carrying out polymerization of olefins including ethylene using an olefin polymerization catalyst containing a solid titanium catalyst component including magnesium, halogen and titanium under specific conditions. The ethylene polymer particles obtained by a solid phase method, such as solid phase drawing molding, are capable of providing a molded article with high strength.
    Type: Grant
    Filed: July 25, 2007
    Date of Patent: January 25, 2011
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Tetsuhiro Matsumoto, Tetsunori Shinozaki, Yasushi Nakayama, Kunihiko Mizumoto, Satoshi Akiyama, Toshiyuki Tsutsui
  • Publication number: 20110015406
    Abstract: A halogenating agent is added to a mixture including a base, a fluoroalkylcarboxylic acid derivative and an acrylate derivative to produce a fluoroaclyacetic acid derivative represented by the following Formula (3): wherein Rf represents a fluorine containing alkyl group, R1 and R2 represent a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, an arylalkyl group or an acyl group, or together represent an atomic group that forms a 5- or 6-membered ring containing a nitrogen atom to which R1 and R2 are bonded; R3 represents a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, or an arylalkyl group; and R4 represents an alkyl group, a cycloalkyl group, an aryl group, or an aryl alkyl group.
    Type: Application
    Filed: March 11, 2009
    Publication date: January 20, 2011
    Applicant: Mitsui Chemicals Agro, Inc.
    Inventors: Hideki Umetani, Takeshi Kakimoto, Yoji Aoki
  • Publication number: 20110011731
    Abstract: To provide a method for producing a method for producing a low-resistance and high-transmittance indium-oxide-based transparent conductive film readily obtained through crystallization, the method employing an amorphous film which can easily be patterned through etching with a weak acid.
    Type: Application
    Filed: March 28, 2008
    Publication date: January 20, 2011
    Applicant: MITSUI MINING & SMELTING CO., LTD
    Inventors: Seiichiro Takahashi, Norihiko Miyashita
  • Publication number: 20110012379
    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: Application
    Filed: July 13, 2010
    Publication date: January 20, 2011
    Applicant: MITSUI MINING AND SMELTING CO., LTD.
    Inventors: Ryoji SHIMURA, Hirotaka Nishijima, Hajime Yoneyama
  • Patent number: D631942
    Type: Grant
    Filed: August 6, 2008
    Date of Patent: February 1, 2011
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Atsushi Koike, Toshimi Nakamura, Kenjiro Izutani
  • Patent number: D631943
    Type: Grant
    Filed: August 6, 2008
    Date of Patent: February 1, 2011
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Atsushi Koike, Toshimi Nakamura, Kenjiro Izutani