Patents Assigned to Mitsui
  • Patent number: 9690117
    Abstract: The present invention relates generally to electro-active optical systems, such as a pair of spectacles having one or more lenses that employ electro-active optical structures. In some embodiments, the invention relates to electro-active optical systems having a flexible electrically conductive connection between the lens and the frame.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: June 27, 2017
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Ronald D. Blum, Charles Willey, Joshua Haddock
  • Patent number: 9687817
    Abstract: Provided is a carrier for an exhaust gas purification catalyst containing aluminum borate particles having a peak (pore peak) exhibiting the highest intensity in a void volume diameter range of from 20 nm to 100 nm in a logarithmic differential void volume distribution measured using a mercury intrusion porosimeter, in order to provide a new catalyst support capable of effectively suppressing a decrease in catalytic performance caused by sulfur (S) component contained in the exhaust gas, in the case of supporting Pd as a catalytically active component.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: June 27, 2017
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Akira Abe, Takahiro Sato, Ohki Houshito, Yuki Nagao, Yunosuke Nakahara
  • Publication number: 20170174621
    Abstract: Provided are dental polymerizable monomers that can give cured products having high toughness and high rigidity, dental polymerizable monomer compositions containing the polymerizable monomers, and dental compositions containing the dental polymerizable monomer compositions, and cured products thereof having high mechanical properties. The dental polymerizable monomer (A) which includes a urethane acrylate obtained from an appropriately rigid diisocyanate and an appropriately flexible hydroxyacrylate is used to prepare a dental polymerizable monomer composition containing the dental polymerizable monomer, and a dental composition containing the dental polymerizable monomer composition.
    Type: Application
    Filed: March 31, 2015
    Publication date: June 22, 2017
    Applicants: MITSUI CHEMICALS, INC., SHOFU INC., SUN MEDICAL CO., LTD.
    Inventors: Kazuhiko YOSHINAGA, Hiroshi NARUSE, Mitsuji TERAMAE, Kiyomi FUCHIGAMI, Hidefumi FUJIMURA, Masuji TSUCHIKAWA, Hirofumi IMAI
  • Publication number: 20170174863
    Abstract: The present invention addresses the problem of providing a polyester resin composition for reflective materials which gives a reflective material having a high reflectance. The polyester resin composition for reflective materials comprises: a polyester resin (A) comprising an alicyclic dicarboxylic acid ingredient unit (a1) and an aliphatic diol ingredient unit (b1); and a white pigment (B). The amount of the alicyclic dicarboxylic acid ingredient unit (a1) is 50 mol % or more of the amount of all the dicarboxylic acid ingredient units (a) in the polyester resin (A), and the amount of the aliphatic diol ingredient unit (b1) is 50 mol % or more of the amount of all the diol ingredient units (b) in the polyester resin (A). The alicyclic dicarboxylic acid ingredient unit (a1) comprises the cis and trans forms of cis-trans isomers, the proportion of the cis form determined by NMR being 20 mol % or higher.
    Type: Application
    Filed: March 26, 2015
    Publication date: June 22, 2017
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kaoru OHSHIMIZU, Hideto OGASAWARA, Hiroki EBATA, Takashi HAMA, Fumio KAGEYAMA, Shintaro MITSUNAGA, Nobuhiro TAKIZAWA, Akinori AMANO
  • Publication number: 20170175028
    Abstract: Provided are a viscosity modifier for lubricating oils for obtaining an additive composition for lubricating oils having excellent fluidity in a wide temperature range from low temperature to high temperature; and said additive composition for lubricating oils. Further provided are a viscosity modifier for lubricating oils for obtaining a lubricating oil composition capable of reducing viscosity in good balance in a wide temperature range from low temperature to high temperature; and said lubricating oil composition. The viscosity modifier for lubricating oils includes an ethylene ?-olefin copolymer (A) which includes 30 to 50 mole % of structural units derived from at least one ?-olefin selected from ?-olefins having 4 and 5 carbon atoms and 50 to 70 mole % of structural units derived from ethylene (with the proviso that the total of all structural units of said copolymer is 100 mole %) and which satisfies specific requirements (a), (b), and (c).
    Type: Application
    Filed: March 27, 2015
    Publication date: June 22, 2017
    Applicants: MITSUI CHEMICALS, INC., THE LUBRIZOL CORPORATION
    Inventors: Atsushi YAMAMOTO, Terufumi SUZUKI, Kenta IDE, Chor HUANG
  • Publication number: 20170179426
    Abstract: The purpose of the present invention is to provide the following: an optical-device surface-sealing composition that makes it possible to fabricate an optical-device-using display with a low amount of warpage even if there is a large difference between the coefficients of linear expansion of substrates used in said display; a display with a low amount of warpage; and a manufacturing method therefor. The storage modulus of elasticity (G?(80)) of this optical-device surface-sealing composition, measured at 80° C. after said composition is heated from 40° C. to 80° C. at 5° C./min and then held at 80° C. for 30 minutes, is between 1.0×103 and 2.0×106 Pa.
    Type: Application
    Filed: March 1, 2017
    Publication date: June 22, 2017
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yugo YAMOTO, Setsuko OIKE, Masatoshi TAKAGI
  • Patent number: 9682365
    Abstract: Provided is a new catalyst that can have heightened purification performance for NOx under lean conditions. Proposed is an exhaust gas purification catalyst composition provided with: a carrier (A) comprising zirconium phosphate; a catalyst active component (a) supported on the carrier (A); a carrier (B) comprising an inorganic oxide porous body; and a catalyst active component (b) supported on the carrier (B).
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: June 20, 2017
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Yuki Nagao, Hironori Iwakura, Yunosuke Nakahara, Masato Machida
  • Patent number: 9682896
    Abstract: An object of the present invention is to provide a method of producing a corresponding olefin such as propylene with a high activity and a high selectivity even in a high LHSV range by an intramolecular dehydration reaction of an alcohol such as isopropyl alcohol. The present invention provides a method of producing an olefin represented by General Formula (II) below from an alcohol represented by General Formula (I) below, which method uses, as a dehydration catalyst, a chemically treated silica gel (X) in which an aluminum compound is supported onto a silica gel (A) with an average fine pore diameter of 10 to 50 nm in the amount of 1,000 to 10,000 ppm by weight in terms of aluminum element. (In General Formulae (I) and (II), R1 is selected from alkyl groups of 1 to 5 carbon atoms and R2 is selected from a hydrogen atom and alkyl groups of 1 to 5 carbon atoms.
    Type: Grant
    Filed: June 3, 2014
    Date of Patent: June 20, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventor: Masayasu Ishibashi
  • Patent number: 9676879
    Abstract: An object of the invention is to provide a solid polyaluminoxane composition suitably used as a cocatalyst and a catalyst carrier in combination with an olefin oligomerization or polymerization catalyst, without the use of solid inorganic carriers such as silica. The solid polyaluminoxane composition of the invention includes a polyalkylaluminoxane and a trialkylaluminum, and has a solubility in n-hexane at 25° C. of less than 0.50 mol % as measured by a specific method (i), a solubility in toluene at 25° C. of less than 1.0 mol % as measured by a specific method (ii), and a 13 mol % or more molar fraction of alkyl groups derived from the trialkylaluminum moieties relative to the total number of moles of alkyl groups derived from the polyalkylaluminoxane moieties and the alkyl groups derived from the trialkylaluminum moieties as measured with respect to tetrahydrofuran-d8 soluble components by a specific method (iii).
    Type: Grant
    Filed: February 7, 2014
    Date of Patent: June 13, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Kou Tsurugi, Shiori Hanada, Atsushi Shibahara, Kazumori Kawamura, Fumiaki Nishino, Yasuyuki Harada, Wataru Yamada, Akiko Matsumoto, Isao Hara, Tatsuya Nakamura, Toshihiro Muroto
  • Patent number: 9678246
    Abstract: A polymerizable composition for an optical material includes: (A) one or more isocyanates having two or more isocyanato groups that contains an aromatic isocyanate; (B) one or more alcohols having two or more hydroxyl groups; and (C) an acid phosphate represented by the following formula (1), in which a ratio of the molar number of a secondary hydroxyl group to the total molar number of primary and secondary hydroxyl groups contained in the alcohol (B) is 50% or higher.
    Type: Grant
    Filed: November 1, 2013
    Date of Patent: June 13, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Nobuo Kawato, Tatsuya Ogawa, Toshiya Hashimoto, Mamoru Tanaka, Shigetoshi Kuma
  • Publication number: 20170162382
    Abstract: The invention provides a sealing composition including: polymer (A) containing a cationic functional group and having a weight average molecular weight of from 2,000 to 1,000,000; and a benzotriazole compound; in which the content of the polymer (A) is from 0.05 parts by mass to 0.20 parts by mass with respect to 100 parts by mass of the sealing composition; in which the content of the benzotriazole compound in the sealing composition is from 3 ppm by mass to 200 ppm by mass; and in which the sealing composition has a pH of from 3.0 to 6.5.
    Type: Application
    Filed: August 5, 2015
    Publication date: June 8, 2017
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yasuhisa KAYABA, Hirofumi TANAKA, Shoko ONO, Koji INOUE, Hiroko WACHI, Tsuneji SUZUKI
  • Patent number: 9670555
    Abstract: PURPOSE: An object of the present invention is to provide a method for producing a sugar crystal-containing liquid with good reproducibility, wherein crystallization is enhanced, it is unnecessary to add seed crystals which may affect the number of grains and a size of the crystals, and graining conditions are stable. CONSTITUTION: The present invention is a method for producing a sugar crystal-containing liquid, wherein the method comprises steps of preparing a liquid supersaturated with sugar; and applying a shearing force to the liquid, characterized in that the step of applying the shearing force comprises exerting a pressure higher than atmospheric pressure on the liquid to make the liquid pass through a narrow space.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: June 6, 2017
    Assignee: MITSUI SUGAR CO., LTD.
    Inventors: Masahiro Okuno, Hisanori Nakajima
  • Patent number: 9670148
    Abstract: A method for producing meta-xylylenediisocyanates includes a reaction step in which monohalogenated benzenes, formaldehydes, and an amide compound represented by general formula (1) below are allowed to react in the presence of an acidic liquid to produce a bisamide compound; a dehalogenation step in which in the bisamide compound, the halogen atom derived from the monohalogenated benzenes is replaced with a hydrogen atom; and a thermal decomposition step in which the bisamide compound from which the halogen atom is eliminated is subjected to thermal decomposition. In the reaction step, the acidic liquid contains inorganic acid, the equivalent ratio of the hydrogen atom of the inorganic acid relative to the monohalogenated benzenes is more than 14, the acidic liquid has an inorganic acid concentration of more than 90 mass %, and the reaction temperature is more than 10° C. General formula (1): wherein R1 represents an alkoxy group or an amino group.
    Type: Grant
    Filed: August 11, 2014
    Date of Patent: June 6, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Kouya Kojima, Hidetaka Tsukada, Mamoru Takashina, Chitoshi Shimakawa, Naoyuki Kakinuma
  • Patent number: 9670346
    Abstract: An object of the present invention is to provide a propylene-based resin composition capable of providing a molded article having an excellent balance between rigidity and impact resistance. The object can be achieved by a propylene-based resin composition including an olefin-based resin characterized by including a grafted ethylene-based copolymer having an ethylene polymer as a side chain.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: June 6, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Keita Itakura, Akiko Odawara, Satoru Kinouchi, Tateo Takashima, Ryoichi Tsunori, Tomoaki Matsugi, Yasushi Yanagimoto, Tatsuya Nakamura
  • Patent number: 9674898
    Abstract: A semiconductor substrate thermal treatment apparatus enables excellent heating control in suppressing influence of mutual induction between induction heating coils even when the induction heating coils are arranged in the vertical direction while providing horizontal magnetic flux to susceptors. The apparatus indirectly heats wafers mounted on horizontally-arranged susceptors including induction heating coils to form alternate-current magnetic flux in a direction parallel to a mount face of the susceptor. The wafer are arranged at an outer circumferential side of the susceptor. The induction heating coils are structured with at least one main heating coil and subordinate heating coils electromagnetically coupled with the main heating coil.
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: June 6, 2017
    Assignee: Mitsui Engineering and Shipbuilding Co., Ltd.
    Inventors: Naoki Uchida, Yoshihiro Okazaki, Kazuhiro Ozaki
  • Patent number: 9670701
    Abstract: In a motor-vehicle door latch device, a latch engages with a striker of a vehicle body when a door is closed. The latch comprises a half-latch engaging portion for incompletely engaging the latch with the striker and a full-latch engaging portion for fully engaging the latch with the striker. A half-latch avoiding member has a half-latch avoiding guide path which engages with a connecting member, thereby preventing the engagement member from engaging the half-latch portion of the latch.
    Type: Grant
    Filed: August 1, 2014
    Date of Patent: June 6, 2017
    Assignee: Mitsui Kinzoku Act Corporation
    Inventors: Shintaro Okawa, Shigekazu Sugo
  • Patent number: 9669389
    Abstract: An internal combustion engine exhaust gas purifying catalyst carrier has a core body formed of a CeO2—ZrO2 solid solution or a CeO2—ZrO2—La2O2 solid solution, and CeO2 supported on the surface of the core body, wherein the core body has a CeO2 content of 5 to 35 mass % and an La2O2 content of 0 to 10 mass %, on the basis of the mass of the carrier, and the amount of CeO2 supported on the core body is 5 to 17 mass %, on the basis of the mass of the carrier.
    Type: Grant
    Filed: October 20, 2011
    Date of Patent: June 6, 2017
    Assignee: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Yunosuke Nakahara, Takashi Wakabayashi, Yasunori Imada, Ohki Houshito, Yuki Nagao, Takahiko Sakaue, Akihiro Nara, Shinji Aoki
  • Patent number: 9670700
    Abstract: A door latch system for a vehicle includes: a latch interlocking mechanism arranged to be actuated in a release cancel direction from a neutral position to be interlocked with the pivot movement of the latch in a predetermined direction; and a release cancel mechanism arranged to be actuated from a connection state where an operation force transmitting path for transmitting the power of the electric driving mechanism to the ratchet is connected, to a disconnection state where the operation force transmitting path is disconnected, by the actuation of the latch interlocking mechanism in the release cancel direction from the neutral position, the release cancel mechanism being arranged to be actuated from the connection state to the disconnection state when the ratchet is in a release restriction state so as to enable the ratchet to return to the engagement position.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: June 6, 2017
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Naoki Hanaki, Kohei Yamashita
  • Patent number: 9670703
    Abstract: An opening-and-closing device for vehicle door includes: a close-latch mechanism; an electric-powered releasing mechanism; an association mechanism; a relay mechanism; an electric open/close unit; and a control unit. The relay mechanism switches from a connection state to a disconnection state by the operation of an association mechanism in a cancellation direction to allow returning a first ratchet stopped at a release position. The control unit reversely controls the electric open/close unit, operates a door to be opened toward a fully opened position, operate the association mechanism in a cancellation direction, and switches the relay mechanism to the disconnection state, upon detection of operational malfunction of the electric-powered releasing mechanism during closing of the door from the fully opened position to a fully closed position by closing operation of the electric open/close unit.
    Type: Grant
    Filed: April 20, 2015
    Date of Patent: June 6, 2017
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Naoki Hanaki, Kohei Yamashita
  • Publication number: 20170151821
    Abstract: An aqueous dispersion resin composition contains a first polymer produced by polymerizing a first monomer component containing (meth)acrylamide and a second polymer produced by polymerizing a second monomer component containing a carboxy group-containing vinyl monomer, wherein at least a portion of the carboxy group in the second polymer is neutralized.
    Type: Application
    Filed: May 18, 2015
    Publication date: June 1, 2017
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yoshifumi IIMURO, Toshihiro YOSHIMURA, Syouta MIZUTANI