Patents Assigned to Mitsui
  • Patent number: 10150823
    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: May 5, 2017
    Date of Patent: December 11, 2018
    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
  • Publication number: 20180346677
    Abstract: The present invention aims to solve the above mentioned problems by providing a new azeotrope-like composition that can be used for a wide range of industrial purposes. The provision of an azeotrope-like composition including 93.0-99.0 weight percent Z-1,1,1,4,4,4-hexafluoro-2-buteine and 0.1-7 weight percent isopropanol.
    Type: Application
    Filed: December 7, 2016
    Publication date: December 6, 2018
    Applicant: DUPONT-MITSUI FLUOROCHEMICALS CO. LTD
    Inventors: Hideaki KIKUCHI, Takanori MATSUMOTO
  • Publication number: 20180341043
    Abstract: A polymerizable composition for an optical material according to the present invention, including: a monomer mixture (A) including a polymerizable monomer having a (meth) acrylic group, a photochromic compound (B) which is at least one selected from compounds represented by Formulae (1) and (2); and an ultraviolet absorbing agent (C) which is at least one selected from compounds represented by Formulae (a) to (c).
    Type: Application
    Filed: September 16, 2016
    Publication date: November 29, 2018
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Masaru KAWAGUCHI, Nobuo KAWATO
  • Publication number: 20180340044
    Abstract: A polymerizable composition for an optical material includes an episulfide compound (A); an organic coloring matter (B); an UV absorber (C); and a polymerization catalyst (D), wherein the organic coloring matter (B) has a main absorption peak (P) between 565 nm and 605 nm in a visible light absorption spectrum, an absorption coefficient (ml/g·cm) of a peak apex (Pmax) exhibiting a maximum absorption coefficient of (P) is equal to or greater than 0.5×105, a peak width in an absorbance of ¼ of an absorbance of (Pmax) of (P) is equal to or less than 50 nm, a peak width in an absorbance of ½ of the absorbance of (Pmax) of (P) is equal to or less than 30 nm, and a peak width in an absorbance of ? of the absorbance of (Pmax) of (P) is in a range of equal to or less than 20 nm.
    Type: Application
    Filed: September 15, 2016
    Publication date: November 29, 2018
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Naoyuki KAKINUMA, Koji SUESUGI
  • Patent number: 10141570
    Abstract: The present invention relates to a positive electrode active material including a lithium metal composite oxide having a layer crystal structure, and provides a novel positive electrode active material for a lithium secondary cell, which can suppress the reaction with an electrolyte solution and can raise the charge-discharge cycle ability of the cell, and can make good the output characteristics of the cell.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: November 27, 2018
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Daisuke Washida, Toshikazu Matsuyama, Tetsuya Mitsumoto, Daisuke Inoue, Hideaki Matsushima, Yoshimi Hata, Hitohiko Ide, Shinya Kagei
  • Publication number: 20180334593
    Abstract: A laminate comprising: a layer (A) comprising a resin not having active hydrogen in a main molecular skeleton thereof; and an adhesive layer (B) being at least in partial contact with the layer (A) and comprising a composition for adhesion, wherein the composition for adhesion satisfies the following requirements (i) to (iii): (i) comprising a polyolefin being a product of reaction between polyolefin (a) having a group that reacts with a carbodiimide group and a carbodiimide group-containing compound (b); (ii) comprising a carbodiimide group in an amount of 0.1 to 50 mmol per 100 g of the composition for adhesion; and (iii) having a density of 0.870 to 0.940 g/cm3.
    Type: Application
    Filed: December 15, 2016
    Publication date: November 22, 2018
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Ryohei SHIGA, Takashi YAMASAKI, Yoshiyuki OGAWA, Shigeyuki YASUI, Akihide MORI, Tadashi IMAI, Yasuhiro ISAJI
  • Publication number: 20180336374
    Abstract: A method of manufacturing a metal product includes forming a first identification code onto a surface of a metal member with a laser beam, the first identification code being readable under a first reading condition, and heating the metal member on which the identification code is formed. The method further includes reading the first identification code with a reading device, and forming a second identification code onto the surface of the metal member subsequent to the heating with a laser beam based on the first identification code which is read with the reading device. The second identification code is readable under a second reading condition different from the first reading condition.
    Type: Application
    Filed: May 18, 2018
    Publication date: November 22, 2018
    Applicant: Mitsui High-tec, Inc.
    Inventors: Jin ODA, Junya SATAKE
  • Publication number: 20180337297
    Abstract: A solar cell module includes a light-receiving surface-side protective member, a rear surface-side protective member, solar cell elements, and an encapsulating layer that encapsulates the solar cell elements between the light-receiving surface-side protective member and the rear surface-side protective member. The light-receiving surface-side protective member has a plurality of fine recess portions and a plurality of fine protrusion portions on at least a solar cell element side surface, busbar electrodes are provided to the solar cell elements on at least a light-receiving surface-side surface. The encapsulating layer has a light-receiving surface side-encapsulating layer having an effective thickness of 0.01 mm to less than 0.25 mm and a rear surface-side encapsulating layer, and the solar cell elements are encapsulated between the light-receiving surface side-encapsulating layer and the rear surface-side encapsulating layer.
    Type: Application
    Filed: November 18, 2016
    Publication date: November 22, 2018
    Applicant: Mitsui Chemicals Tohcello, Inc.
    Inventors: Takanobu MUROFUSHI, Jun TOKUHIRO
  • Publication number: 20180334527
    Abstract: A polythiol composition includes a polythiol compound (a) represented by the following formula (5) and a compound (b) wherein, in a high performance liquid chromatography measurement of the polythiol composition under defined conditions, the peak area of the compound (b) which appears at the retention time from 4.3 minutes to 5.6 minutes is equal to or less than 3.0, with respect to the peak area of 100 of the polythiol compound (a) which appears at the retention time from 12.0 minutes to 13.5 minutes. A process for producing a polythiol composition, a method of manufacturing a molded product, a molded product, an optical element and a lens are also provided.
    Type: Application
    Filed: July 31, 2018
    Publication date: November 22, 2018
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Masaru KAWAGUCHI, Takeshi NISHIMURA
  • Publication number: 20180334588
    Abstract: Provided is a composition for forming a film for semiconductor devices, including: a compound (A) including a Si—O bond and a cationic functional group containing at least one of a primary nitrogen atom or a secondary nitrogen atom; a crosslinking agent (B) which includes three or more —C(?O)OX groups (X is a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms) in the molecule, in which from one to six of three or more —C(?O)OX groups are —C(?O)OH groups, and which has a weight average molecular weight of from 200 to 600; and a polar solvent (D).
    Type: Application
    Filed: November 16, 2016
    Publication date: November 22, 2018
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yasuhisa KAYABA, Hirofumi TANAKA, Koji INOUE
  • Publication number: 20180334528
    Abstract: A polythiol composition includes a polythiol compound (a) that includes at least one kind selected from the compounds represented by the following formulae (6) to (8) as main component, and a compound (b) wherein, in a high performance liquid chromatography measurement of the polythiol composition under defined conditions, the peak area of the compound (b) which appears at the retention time from 6.5 minutes to 8.0 minutes is equal to or less than 3.0, with respect to the peak area of 100 of the polythiol compound (a) which appears at the retention time from 22.0 minutes to 28.0 minutes. A process for producing a polythiol composition, a method of manufacturing a molded product, a molded product, an optical element and a lens are also provided.
    Type: Application
    Filed: July 31, 2018
    Publication date: November 22, 2018
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Masaru KAWAGUCHI, Takeshi NISHIMURA
  • Patent number: 10130563
    Abstract: Provided are dental polymerizable monomer compositions that can give cured products having high toughness and high rigidity, and dental compositions containing such dental polymerizable monomer compositions and cured products thereof having high mechanical properties.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: November 20, 2018
    Assignees: MITSUI CHEMICALS, INC., SHOFU INC., SUN MEDICAL CO., LTD.
    Inventors: Kazuhiko Yoshinaga, Hiroshi Naruse, Mitsuji Teramae, Kiyomi Fuchigami, Hidefumi Fujimura, Masuji Tsuchikawa, Hirofumi Imai
  • Patent number: 10136476
    Abstract: A control is performed so that phase angles of outputs from resonant inverters fall within a predetermined range under a mutual induction environment. An inductive heating device (100) includes: a plurality of resonant inverters (30a, 30b) that supply power to a plurality of inductive heating coils (La, Lb), respectively, under a mutual induction environment; and a control circuit (40) that aligns drive frequencies so as to be in common among the resonant inverters and controls the drive frequencies commonly so that phase angles of the outputs from the plurality of the resonant inverters fall within a predetermined range. In addition, the control circuit individually controls coil currents flowing through the inductive heating coils so that the phase angles fall within a predetermined range.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: November 20, 2018
    Assignee: MITSUI E&S MACHINERY CO., LTD.
    Inventor: Naoki Uchida
  • Patent number: 10135371
    Abstract: A door opening/closing device includes: a motor; and a control unit that is configured to control a rotation rate of the motor by pulse-width modulation (PWM) control. The door opening/closing device opens and closes a door of a vehicle with power of the motor. The control unit is configured to perform the PWM control on the motor at a PWM frequency set so as to deviate from a resonance point of an installation body on which the motor is installed.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: November 20, 2018
    Assignee: Mitsui Kinzoku Act Corporation
    Inventors: Yasuyuki Watanabe, Ayahito Kojima
  • Patent number: 10130564
    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: Grant
    Filed: March 31, 2015
    Date of Patent: November 20, 2018
    Assignees: MITSUI CHEMICALS, INC., SHOFU INC., SUN MEDICAL CO., LTD.
    Inventors: Kazuhiko Yoshinaga, Hiroshi Naruse, Mitsuji Teramae, Kiyomi Fuchigami, Hidefumi Fujimura, Masuji Tsuchikawa, Hirofumi Imai
  • Patent number: 10131767
    Abstract: The polymerizable composition for an optical material of the present invention contains (A) at least one kind of isocyanate having two or more isocyanato groups, which contains aromatic isocyanate, (B) at least one kind of alcohol having two or more hydroxyl groups, (C) an acidic phosphoric acid ester represented by the following Formula (1), and (D) a benzotriazole-based compound, in which a ratio of secondary hydroxyl groups to the total molar number of primary and secondary hydroxyl groups contained in the alcohol (B) is equal to or greater than 50%, and the benzotriazole-based compound (D) is contained in an amount of 1 part by weight to 11 parts by weight with respect to a total of 100 parts by weight of the isocyanate (A) and the alcohol (B).
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: November 20, 2018
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Shinsuke Ito, Nobuo Kawato, Kouji Suesugi, Shigetoshi Kuma, Tatsuya Ogawa, Toshiya Hashimoto, Mamoru Tanaka
  • Patent number: 10131726
    Abstract: A novel ethylene/?-olefin/non-conjugated polyene copolymer comprising structural units derived from ethylene (A), an ?-olefin (B) of 3 to 20 carbon atoms, and a non-conjugated polyene (C) containing intramolecularly two or more partial structures in total selected from the group consisting of structures of Formulae (I) and (II), and having a small number of long-chain branches, The novel ethylene/?-olefin/non-conjugated polyene copolymer contains a non-conjugated polyene such as VNB as a copolymerization component and a small long-chain branch content and is excellent in curing properties in the case of crosslinking using peroxide; and a process for producing the ethylene/?-olefin/non-conjugated polyene copolymer, and a use thereof are provided.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: November 20, 2018
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Kotaro Ichino, Yoshiharu Kikuchi, Yasushi Tohi, Tomoaki Matsugi, Yasushi Yanagimoto, Mitsunao Arino, Keisuke Shishido, Mikio Hosoya
  • Publication number: 20180327547
    Abstract: A composition for forming a film for semiconductor devices including: a compound (A) including a cationic functional group containing at least one of a primary nitrogen atom or a secondary nitrogen atom and having a weight average molecular weight of from 10,000 to 400,000; a crosslinking agent (B) which includes the three or more —C(?O)OX groups (X is a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms) in the molecule, in which from one to six of three or more —C(?O)OX groups are —C(?O)OH groups, and which has a weight average molecular weight of from 200 to 600; and water (D), in which the compound (A) is an aliphatic amine.
    Type: Application
    Filed: November 16, 2016
    Publication date: November 15, 2018
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yasuhisa KAYABA, Hirofumi TANAKA, Hiroko WACHI, Shoko ONO
  • Patent number: 10125213
    Abstract: A polyurethane dispersion is a polyurethane dispersion in which polyurethane resin produced by reaction of an isocyanate group-terminated prepolymer with a chain extender is dispersed in water. The isocyanate group-terminated prepolymer is produced by at least allowing a polyisocyanate component containing xylylene diisocyanate and/or hydrogenated xylylene diisocyanate to react with a polyol component containing diol having 2 to 6 carbon atoms, a low-molecular-weight polyol having a functionality of three or more, and an active hydrogen group-containing compound containing a hydrophilic group. The chain extender contains an alkoxysilyl compound having a primary amino group, or a primary amino group and a secondary amino group, and the molar ratio of the hydroxyl group in the low-molecular-weight polyol having a functionality of three or more is less than 25% relative to a total mol 100% of the hydroxyl group in the polyol component.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: November 13, 2018
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Takashi Uchida, Chikako Kouda, Akihiro Oishi
  • Patent number: 10128726
    Abstract: A method for manufacturing a laminate used for manufacturing a rotor is provided. The method includes: (a) stamping out a plurality of workpieces from a metal sheet wherein each of the workpieces has a temporarily-interlocking portion; and (b) obtaining a laminate including the workpieces integrated together by the temporarily-interlocking portion, wherein each of the workpieces further has a shaft hole, a magnet insertion hole, and a weight-reducing hole formed between the shaft hole and the magnet insertion hole, and the temporarily-interlocking portion is provided to the weight-reducing hole.
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: November 13, 2018
    Assignee: MITSUI HIGH-TEC, INC.
    Inventors: Yukio Matsunaga, Hisatomo Ishimatsu, Yusuke Hasuo, Masahiro Izumi, Manabu Yazaki