Patents Assigned to Mitsui
  • Publication number: 20170232425
    Abstract: To reduce an OSC material, while maintaining necessary OSC capacity; and to improve heat resistance and reactivity of a precious metal. Proposed is an exhaust gas purifying catalyst which comprises a first catalyst layer that is formed on the surface of a substrate that is formed of a ceramic or a metal, and a second catalyst layer that is formed on the upper side of the first catalyst layer. The first catalyst layer comprises a precious metal, an OSC material and an alumina, and the OSC material and the alumina are comprised at a mass ratio of OSC material:alumina=1:7 to 1:3. The second catalyst layer comprises a precious metal, an OSC material and an alumina, and the OSC material and the alumina are comprised at a mass ratio of OSC material:alumina=1:1 to 10:0.
    Type: Application
    Filed: October 21, 2015
    Publication date: August 17, 2017
    Applicants: HONDA MOTOR CO., LTD., Mitsui Mining & Smelting Co., Ltd.
    Inventors: Toshiaki KIMURA, Hiroyuki HORIMURA, Takumi YAMAGUCHI, Takeshi ENDO, Akihiro IIMURO, Ryoichi OSHIMA, Ohki HOUSHITO, Yunosuke NAKAHARA
  • Publication number: 20170233696
    Abstract: Medical instrument includes a substrate, in which cells are in contact with or held on a surface of the substrate, and at least the surface of the substrate which holds the cells is formed of a fluorine-containing cyclic olefin polymer which contains a repeating structure unit represented by Formula (1), wherein in Formula (1), at least one of R1 to R4 is fluorine, an alkyl with 1 to 10 carbon atoms which contains fluorine, an alkoxy with 1 to 10 carbon atoms which contains fluorine, or an alkoxyalkyl with 2 to 10 carbon atoms which contains fluorine, R1 to R4 are selected from hydrogen and certain non-fluorinated groups when R1 to R4 do not contain fluorine, R1 to R4 may be the same as or different from each other, and R1 to R4 may be bonded to each other to form a cyclic structure.
    Type: Application
    Filed: August 10, 2015
    Publication date: August 17, 2017
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Tadahiro SUNAGA, Takashi ODA, Hiroshi MIYASAKO, Takeshi OSAKA
  • Patent number: 9732223
    Abstract: The present invention provides a semi-aromatic polyamide resin composition having exceptional impact resistance, fuel barrier properties, and injection moldability, as well as a molded article containing the same, through a semi-aromatic polyamide resin composition containing specific proportions of (A) a semi-aromatic polyamide comprising a dicarboxylic acid component comprising terephthalic acid and adipic acid and a diamine component having a linear aliphatic diamine having 4-10 carbon atoms, (B) a semi-aromatic polyamide comprising a dicarboxylic acid component having isophthalic acid and a diamine component having an aliphatic diamine having 4-15 carbon atoms, (C) an olefin polymer containing a specific amount of functional group structural units, and (D) a fibrous filler.
    Type: Grant
    Filed: July 25, 2014
    Date of Patent: August 15, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Isao Washio, Hiroki Ebata, Hideto Ogasawara, Nobuhiro Takizawa, Fumio Kageyama, Akinori Amano
  • Patent number: 9731274
    Abstract: The present invention relates to a catalyst carrier comprising an apatite-type composite oxide and proposes a catalyst carrier capable of improving purification performance of NOx due to improvement of phosphorus poisoning. Proposed is a catalyst carrier which contains a composite oxide that is represented by a composition formula of (LaA)9.33??B6O27.00?? (wherein, 0.3???3.0, 0.0<??6.0; “A” represents one or two or more elements selected from Ba, Pr, Y, Sr, Mg, and Ce; and “B” represents one or two or more elements selected from Si, P, and Fe).
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: August 15, 2017
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Yasunori Imada, Yunosuke Nakahara
  • Publication number: 20170226267
    Abstract: The polymerizable composition of the present invention includes at least one isocyanate compound (A) having a cyclic structure, selected from compounds represented by the following Formulae (1), (2), and (3), and aliphatic isocyanate compound (B) having 4 to 11 carbon atoms, and a thiol compound (C).
    Type: Application
    Filed: August 6, 2015
    Publication date: August 10, 2017
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Naoki SHINOHARA, Nobuo KAWATO, Dong Gyu JANG, Soo Gyun ROH
  • Patent number: 9725422
    Abstract: The isocyanurate composition consists essentially of an isocyanurate derivative of 1,3-xylylenediisocyanate, and has a viscosity at 100° C. of 600 mPa·s or more and 20000 mPa·s or less.
    Type: Grant
    Filed: March 3, 2015
    Date of Patent: August 8, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Kazuyuki Fukuda, Hideaki Otsuka, Tsutomu Yoshida, Tatsuya Nakashima, Toshiaki Moriya, Shirou Honma
  • Patent number: 9725540
    Abstract: The present invention provides a 4-methyl-1-pentene/?-olefin copolymer being excellent in lightness, stress absorption, stress relaxation, vibration damping properties, scratch resistance, abrasion resistance, toughness, mechanical properties and flexibility, having no stickiness during molding operation and being excellent in the balance among these properties; a composition comprising the polymer; and uses thereof. The 4-methyl-1-pentene/?-olefin copolymer (A) of the present invention satisfies specific requirements, and comprises 5 to 95 mol % of a structural unit (i) derived from 4-methyl-1-pentene, 5 to 95 mol % of a structural unit (ii) derived from at least one kind of ?-olefin selected from ?-olefins having 2 to 20 carbon atoms excluding 4-methyl-1-pentene and 0 to 10 mol % of a structural unit (iii) derived from a non-conjugated polyene, provided that the total of the structural units (i), (ii), and (iii) is 100 mol %.
    Type: Grant
    Filed: November 5, 2010
    Date of Patent: August 8, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Takayuki Uekusa, Masahiko Okamoto, Yoshisada Tamo
  • Publication number: 20170217144
    Abstract: Disclosed is a stretched laminated film 30 having a heat-sealable layer 10 composed of a resin composition which contains 50 to 97 parts by mass of a propylene-based polymer (A) having a melting point (Tm) of not lower than 120° C. but not higher than 170° C. and comprising more than 50% by mol of a structural unit derived from propylene, 3 to 50 parts by mass of a 1-butene-based polymer (B) having a melting point (Tm) of lower than 120° C. and comprising 10 to 90% by mol of a structural unit derived from 1-butene and 10 to 90% by mol of a structural unit derived from an ?-olefin having 3 or 5 to 20 carbon atoms, and optionally 3 to 30 parts by mass of an ethylene ?-olefin copolymer (C) comprising 50 to 99% by mol of a structural unit derived from ethylene and 1 to 50% by mol of a structural unit derived from an ?-olefin having 3 to 20 carbon atoms, wherein the sum of the component (A) and the component (B) is 100 parts by mass; and a base layer 20.
    Type: Application
    Filed: September 25, 2015
    Publication date: August 3, 2017
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Tatsuya OKU, Tomohiro ABE, Satoshi IKEDA, Kiminori NODA, Makoto EGAWA
  • Publication number: 20170218117
    Abstract: Provided is a polymeric piezoelectric film containing an optically active helical chiral polymer (A) having a weight average molecular weight of from 50,000 to 1,000,000, in which a crystallinity obtained by a DSC method is from 20% to 80%, and the product of the crystallinity and a standardized molecular orientation MORc when a reference thickness measured by a microwave transmission-type molecular orientation meter is set to 50 ?m is from 25 to 700, and in which a surface roughness of at least one plane in terms of a non-contact three-dimensional surface roughness Sa measured by a confocal laser microscope is from 0.040 ?m to 0.105 ?m.
    Type: Application
    Filed: July 10, 2015
    Publication date: August 3, 2017
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kazuhiro TANIMOTO, Keisuke SATO, Toshihisa KITAGAWA, Katsutoshi OZAKI
  • Patent number: 9719500
    Abstract: A fluid intake/discharge valve body for suction of a cryogenic liquefied gas fluid into a cylinder liner and discharge of the gas fluid with a piston, includes: a valve seat body including a fluid supply portion to supply the fluid and a fluid exhaust portion; an intake valve biased against the fluid supply portion; and a discharge valve biased against the fluid exhaust portion. The fluid supply portion includes a supply pathway connected to a supply pipe; a dividing wall including intake holes facing the intake valve; and a counterbore recessed portion on the dividing wall to surround the intake holes. The intake valve abuts an edge of the recessed portion when biased against the fluid supply portion. The discharge valve receives fluid pressure from a side of the discharge hole including a recessed portion disposed in a region wider than an outer periphery of the discharge hole.
    Type: Grant
    Filed: December 26, 2014
    Date of Patent: August 1, 2017
    Assignee: MITSUI ENGINEERING & SHIPBUILDING
    Inventors: Makoto Kounosu, Renzo Kanda
  • Patent number: 9720137
    Abstract: The eyewear material is an eyewear material containing thermoplastic polyurethane. The eyewear material has a tan ? peak at both less than 0° C. and 0° C. or more and 70° C. or less observed in dynamic viscoelasticity measurement in tensile mode under the measurement conditions of a temperature increase speed of 5° C./min and a measurement frequency of 10 Hz.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: August 1, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Satoshi Yamasaki, Goro Kuwamura, Daisuke Nishiguchi, Daisuke Hasegawa, Toshihiko Nakagawa, Hirokazu Morita, Hidetaka Tsukada, Kenichi Goto, Shinsuke Ito, Naoyuki Kakinuma, Tetsuya Hamada, Shinji Kiyono, Takeshi Fukuda, Kazuhiro Kosumi
  • Publication number: 20170210937
    Abstract: The invention provides a cured product (for example, a film including the cured product) which has an excellent balance between hydrophilicity and abrasion resistance, can retain high hydrophilicity even when washed with water, and can remain hydrophilic and resistant to the attachment of (or can be easily cleaned of) contaminants even when subjected to long storage or heating, and a composition which can give such cured products. A cured product is obtained by curing a composition which includes a copolymer (i) including structural units represented by specific chemical formulae, and an amino resin (ii).
    Type: Application
    Filed: July 28, 2015
    Publication date: July 27, 2017
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Koju OKAZAKI
  • Publication number: 20170209345
    Abstract: An object of the present invention is to provide a dental material, particularly, a dental prosthesis, having excellent properties such as hydrophilicity and antifouling properties. The dental prosthesis according to the present invention includes a monolayer film obtained by curing a composition including: a compound (I) having at least one hydrophilic group selected from anionic hydrophilic groups and cationic hydrophilic groups, and at least one functional group with a polymerizable carbon-carbon double bond; a compound (II) having two or more functional groups with a polymerizable carbon-carbon double bond (wherein the compound (II) has no anionic hydrophilic group nor cationic hydrophilic group); and a surfactant (III) having a hydrophilic moiety including an anionic hydrophilic group, a cationic hydrophilic group or two or more hydroxyl groups, and a hydrophobic moiety composed of an organic residue (wherein the surfactant has no polymerizable carbon-carbon double bond).
    Type: Application
    Filed: July 8, 2015
    Publication date: July 27, 2017
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Akira HASEGAWA, Yasufumi TSUCHIYA, Koya KOJIMA, Koju OKAZAKI, Yohsuke ASANO, Kenichi FUJII, Takaaki HAYASHI
  • Publication number: 20170209406
    Abstract: An external wound-healing agent includes, as an active ingredient, at least one compound of a glycerol alkyl ester represented by Formula (I) or a diglycerol alkyl ester represented by Formula (II).
    Type: Application
    Filed: July 15, 2015
    Publication date: July 27, 2017
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Naosuke Kunimoto, Kenichi Suzuki, Kouya Kojima, Akira Hasegawa, Yasufumi Tsuchiya, Jun Kamada, Satoshi Yamasaki, Goro Kuwamura, Daisuke Hasegawa
  • Publication number: 20170210909
    Abstract: A coating material for a gas barrier includes polycarboxylic acid, a polyamine compound, a polyvalent metal compound, and a base, in which (molar number of —COO— groups included in the polycarboxylic acid)/(molar number of amino groups included in the polyamine compound)=100/20 to 100/90.
    Type: Application
    Filed: July 24, 2015
    Publication date: July 27, 2017
    Applicant: MITSUI CHEMICALS TOHCELLO, INC.
    Inventors: Masako KIDOKORO, Akira NOMOTO
  • Publication number: 20170210883
    Abstract: The purpose of the present invention is to provide a resin composition for obtaining a reflective panel that has high reflectivity, and that experiences minimal decline in reflectivity even when exposed to heat in the course of an LED package manufacturing process, a reflow soldering process during mounting of an LED package, or the like, or to heat and light from a light source in the service environment. This resin composition for a reflective panel includes 45-80 mass % of a thermoplastic resin (A) comprising at least one of a polyester resin (A1) and a polyamide resin (A2), that have a melting point (Tm) or glass transition temperature (Tg) of at least 250° C., as measured by a differential scanning calorimeter (DSC), 17-54.99% of a white pigment (B), and 0.01-3 mass % of at least one compound (C) represented by general formula (1) (wherein (A), (B), and (C) total 100 mass %).
    Type: Application
    Filed: June 29, 2015
    Publication date: July 27, 2017
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kaoru OHSHIMIZU, Hideto OGASAWARA, Hiroki EBATA, Takashi HAMA
  • Publication number: 20170210879
    Abstract: The purpose of the present invention is to provide a polyester resin composition for a reflection plate having high reflectance and small decrease of reflectance under exposure to heat during production of an LED package or reflow soldering step for mounting, or exposure to heat and light from a light source. A polyester resin composition of the present invention contains: 30-80% by mass of (A) a polyester resin having a melting point or glass transition temperature of 250° C. or more as measured by DSC; 5-30% by mass of (B) a fibrous reinforcing material having an average fiber length (l) of 2-300 ?m, an average fiber diameter (d) of 0.05-18 ?m and an aspect ratio (l/d) of 2-20, said aspect ratio being a quotient of 1 by d; and 5-50% by mass of (C) a white pigment (with the total of (A), (B) and (C) being 100% by mass).
    Type: Application
    Filed: June 29, 2015
    Publication date: July 27, 2017
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Kaoru OHSHIMIZU, Hideto OGASAWARA, Hiroki EBATA, Takashi HAMA
  • Patent number: 9713805
    Abstract: A catalyst for exhaust gas purification includes a carrier and a platinum group element supported on the carrier. The carrier includes a modified aluminum borate which contains an aluminum borate and at least one of oxides of an element selected from the group consisting of Zr, Si, Fe, and Ti. The modified aluminum borate contains the oxide in a concentration of 0.06% to 18% by mass relative to the mass of the modified aluminum borate.
    Type: Grant
    Filed: November 10, 2014
    Date of Patent: July 25, 2017
    Assignee: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Yuki Nagao, Hironori Iwakura, Michiyo Inoue, Yunosuke Nakahara, Masato Machida
  • Patent number: 9714306
    Abstract: The present invention provides an olefin resin with an improved heat resistance, reduced stickiness, excellent optical and low temperature properties, as well as the balance between these physical properties. The olefin resin according to the present invention satisfies the following requirements: (I) a melting peak (Tm) is observed within the range of from 60° C. to 130° C., and the heat of fusion ?H at the melting peak is within the range of from 5 to 150 J/g; (II) the percentage E (wt %) of a portion soluble in o-dichlorobenzene at 20° C. or lower, and the heat of fusion ?H satisfy certain relationships; (III) the glass transition temperature (Tg) is from ?80 to ?30° C.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: July 25, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Yasushi Yanagimoto, Tomoaki Matsugi, Akihiko Iwashita, Tatsuya Nakamura, Junji Saito
  • Patent number: D792978
    Type: Grant
    Filed: October 9, 2015
    Date of Patent: July 25, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Martin Kay, Ekaterina Obyedkova