Patents Assigned to Sumitomo Chemical Company
  • Patent number: 9705120
    Abstract: The present invention provides a laminated porous film and a non-aqueous electrolyte secondary battery. The laminated porous film is a laminated porous film in which a heat-resistant layer comprising a binder resin and a filler is laminated on one or both of the surfaces of a porous film substrate mainly comprising a polyolefin, wherein a part occupied by at least one out of the binder resin and the filler is formed in the porous film substrate so as to touch the heat-resistant layer, and the total thickness of the occupied part is not less than 1% and not more than 20% of the overall thickness of the porous film substrate. The non-aqueous electrolyte secondary battery comprises the laminated porous film according as a separator.
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: July 11, 2017
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Hirohiko Hasegawa, Yuzuru Saitou
  • Patent number: 9700050
    Abstract: The present invention relates to a method of controlling weeds in a crop field, the method including treating the crop field with crystal of flumioxazin described in the specification, before sowing or planting, at the same time of sowing or planting, or after sowing or planting crop seeds or vegetative organs such as tubers, bulbs, or stem fragments which are treated with one or more compounds selected from the following group B; Group B: neonicotinoid type compounds, diamide type compounds, carbamate type compounds, organic phosphorous type compounds, biological nematicidal compounds, other insecticidal compounds and nematicidal compounds, azole type compounds, strobilurin type compounds, metalaxyl type compounds, SDHI compounds, and other fungicidal compounds and plant growth regulators. According to the method of controlling pests of the present invention, weeds in clop fields can be efficiently controlled.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: July 11, 2017
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Hajime Ikeda
  • Patent number: 9704612
    Abstract: A composition of a silver-conjugated compound composite containing (1) a silver-conjugated compound composite containing a silver particle with a Feret diameter of 1,000 nm or less and a conjugated compound having a weight average molecular weight of 3.0×102 or more being adsorbed to the silver particles and (2) an ionic compound. The ionic compound may be a compound having a structure represented by the following Formula (hh-1): [Chem. 1] Mm?+aX?n??b??(hh-1) wherein Mm?+ represents a metal cation, X?n?? represents an anion, a and b each independently represent an integer of 1 or more, and when Mm?+ and X?n?? are each plurally present, they may be the same as or different from each other.
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: July 11, 2017
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Takayuki Iijima, Hideyuki Higashimura
  • Patent number: 9703025
    Abstract: Provided are a polarizer that resists red discoloration in a heat resistance test even when it has a small thickness, and a polarizing plate including the polarizer. The polarizer has a thickness less than or equal to 10 ?m and a retardation Rpva variation within 0.2 nm/mm in the transmission axis direction.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: July 11, 2017
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Yuichiro Kunai
  • Patent number: 9705100
    Abstract: Organic electroluminescent element capable of conveniently and precisely establishing the emission color of the element and capable of fine-adjusting the emission color in the white region. The organic electroluminescent element includes a pair of electrodes and a light-emitting layer provided between the electrodes and presents an emission color at the coordinate Ao (Xo, Yo) in the CIE 1931 chromaticity coordinate system. The light-emitting layer contains in the same layer, a white light emitting material A1 that presents an emission color at the coordinate A1 (x1, y1) in the CIE 1931 chromaticity coordinate system and a white light emitting material A2 that presents an emission color at the coordinate A2 (x2, y2) different from the coordinate A1(x1, y1) in the CIE 1931 chromaticity coordinate system. A distance LA1-A2 between the coordinates A1 (x1, y1) and A2 (x2, y2) in the CIE 1931 chromaticity coordinate system satisfies LA1-A2<0.13.
    Type: Grant
    Filed: April 4, 2013
    Date of Patent: July 11, 2017
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMIETD
    Inventors: Shoji Mima, Yoshinobu Ono
  • Patent number: 9705097
    Abstract: A highly stable metal complex useful for the manufacture of a light-emitting device has an excellent lifetime property, particularly in a blue region, specifically a metal complex represented by Formula (1): wherein M is a metal atom; each R0 independently represents a divalent linking group; i and j each independently represent 0 or 1; RP1, RP2, RP3, RP4, RP5 and RP6 each independently represent a hydrogen atom and the like, with a proviso that at least one of RP1, RP2, RP3, RP4, RP5 and RP6 is a dendron; m is an integer of from 1 to 3, n is an integer of from 0 to 2, and m+n is 2 or 3; and the portion represented by Formula (2): represents a bidentate ligand; wherein Rx and Ry are an atom bonding to the metal atom M, and each independently represents a carbon atom and the like.
    Type: Grant
    Filed: January 10, 2013
    Date of Patent: July 11, 2017
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Nobuhiko Akino, Taichi Abe, Hideo Konno, Shigeru Shimada, Kazuhiko Sato
  • Publication number: 20170190896
    Abstract: In order to provide a methacrylic resin composition that maintains all of physical properties such as excellent solvent resistance, heat resistance, mechanical strength, and stringing resistance, and has particularly excellent fluidity and also heat stability, the present invention provides a methacrylic resin composition that satisfies conditions (I) through (IV) and includes two types of methacrylic resins having mutually different peak molecular weights. (I) The weight ratio of methyl methacrylate units in the methacrylic resin is greater than 98.5 wt % with respect to 100 wt % of all monomer units. (II) The HP value indicating the higher peak molecular weight satisfies the expression 180,000?HP?220,000. (III) The LP value indicating the lower peak molecular weight satisfies the expression 24,000?LP?35,000.
    Type: Application
    Filed: June 22, 2015
    Publication date: July 6, 2017
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Akihiro YAMAMORI, Hidenori KADOYA, Kazuhiro YAMAZAKI
  • Publication number: 20170191097
    Abstract: Isolated oxidases, isolated polynucleotides encoding the oxidases, and methods of using the oxidases to produce ?-oxocarboxylic acid compounds or L-?-amino acid compounds are described.
    Type: Application
    Filed: July 2, 2015
    Publication date: July 6, 2017
    Applicants: Sumitomo Chemical Company, Limited, Sumitomo Chemical Company, Limited
    Inventor: Hiroyuki ASAKO
  • Publication number: 20170191186
    Abstract: There is provided a method for manufacturing a nitride crystal substrate, including: arranging a plurality of seed crystal substrates made of a nitride crystal in a planar appearance, so that their main surfaces are parallel to each other and their lateral surfaces are in contact with each other; growing a first crystal film using a vapor-phase growth method on a surface of the plurality of seed crystal substrates arranged in the planar appearance, and preparing a combined substrate formed by combining the adjacent seed crystal substrates each other by the first crystal film; growing a second crystal film using a liquid-phase growth method on a main surface of the combined substrate so as to be embedded in a groove that exists at a combined part of the seed crystal substrates, and preparing a substrate for crystal growth having a smoothened main surface; and growing a third crystal film using the vapor-phase growth method, on the smoothed main surface of the substrate for crystal growth.
    Type: Application
    Filed: January 4, 2017
    Publication date: July 6, 2017
    Applicants: OSAKA UNIVERSITY, SCIOCS COMPANY LIMITED, SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yusuke MORI, Masashi YOSHIMURA, Mamoru IMADE, Masayuki IMANISHI, Masatomo SHIBATA, Takehiro YOSHIDA
  • Patent number: 9696475
    Abstract: To provide an optical film excellent in suppression of light leakage in black display. An optical film having a first phase difference layer and a second phase difference layer, wherein the second phase difference layer has an optical property represented by the formula (3), the second phase difference layer has a thickness of 0.2 ?m to 2.0 ?m, and further, the optical film has optical properties represented by the formulae (1) and (2): Re(450)/Re(550)?1.00??(1) 1.00?Re(650)/Re(550)??(2) nx?ny<nz??(3).
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: July 4, 2017
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Nobuyuki Hatanaka, Akira Yokota, Tadahiro Kobayashi, Mitsutaka Sase, Yoshifumi Komatsu
  • Patent number: 9695260
    Abstract: A method for producing an olefin block polymer, the method includes: polymerizing olefin using a polymerization catalyst (X), a polymerization catalyst (Y), and an organometallic compound (C) having an atom of any of Groups 2, 12, and 13 of the periodic table of the elements, the organometallic compound (C) excluding an activating co-catalyst agent (B), wherein: the polymerization catalyst (X) is formed by bringing a transition metal compound (A-X) represented by a general formula (1-X) into contact with an activating co-catalyst agent (B); and the polymerization catalyst (Y) is formed by bringing a transition metal compound (A-Y) represented by a general formula (1-Y) into contact with the activating co-catalyst agent (B). [Chem.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: July 4, 2017
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Koji Ishiwata, Kazuo Takaoki, Kazuyuki Ito
  • Patent number: 9696462
    Abstract: There is provided a metal-based particle assembly comprising 30 or more metal-based particles separated from each other and disposed in two dimensions, the metal-based particles having an average particle diameter in a range of from 200 to 1600 nm, an average height in a range of from 55 to 500 nm, and an aspect ratio, as defined by a ratio of the average particle diameter to the average height, in a range of from 1 to 8, wherein the metal-based particle assembly has in an absorption spectrum for a visible light region a maximum wavelength of a peak at a longest side in wavelength, and an absorbance at the maximum wavelength is higher as compared with that of a reference metal-based particle assembly, on the premise that the numbers of the metal-based particles are the same. The metal-based particle assembly of the present invention presents significantly intense plasmon resonance.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: July 4, 2017
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Tomohiro Fukuura
  • Patent number: 9694522
    Abstract: Disclosed are a thermoplastic elastomer composition and a composite molded body. Specifically disclosed is a thermoplastic elastomer composition containing the following component (A1), component (B1) and component (C1). Component (A1): 70-90% by weight of a propylene polymer unit (?1) obtained in a first step by polymerizing a monomer mainly composed of propylene, and an ethylene copolymer unit obtained in a second step by copolymerizing ethylene with propylene and/or an ?-olefin having 4 or more carbon atoms Component (B1): an ethylene-propylene copolymer rubber having a Mooney viscosity (ML1+4, 125° C.) of 20-100 and a weight ratio between the monomer unit derived from ethylene and the monomer unit derived from propylene of from 30/70 to 75/25 Component (C1): an ethylene copolymer as a copolymer of ethylene and an ?-olefin having 4 or more carbon atoms.
    Type: Grant
    Filed: July 16, 2008
    Date of Patent: July 4, 2017
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kohsuke Ohtani, Yasuhito Ijichi
  • Publication number: 20170187031
    Abstract: The object of the present invention is to provide a positive electrode active material usable for a lithium ion battery capable of high charge/discharge cycle performance and high discharge capacity. The positive electrode active material for a lithium secondary battery has a layered structure and comprises at least nickel, cobalt and manganese. Further, the positive electrode active material satisfies requirements (1) to (3) below: (1) a primary particle size of 0.1 ?m to 1 ?m, and a 50% cumulative particle size D50 of 1 ?m to 10 ?m, (2) a ratio (D90/D10) of volume-based 90% cumulative particle size D50 to volume-based 10% cumulative particle size D10 of 2 to 6, and (3) a lithium carbonate content in a residual alkali on particle surfaces of 0.1% by mass to 0.8% by mass as measured by neutralization titration.
    Type: Application
    Filed: May 27, 2015
    Publication date: June 29, 2017
    Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED, TANAKA CHEMICAL CORPORATION
    Inventors: Hiroyuki KURITA, Kenji TAKAMORI, Yuichiro IMANARI, Takaaki MASUKAWA, Daisuke YAMASHITA, Kimiyasu NAKAO
  • Publication number: 20170186958
    Abstract: A polymer compound comprising a structural unit represented by the formula (1): wherein R1, R2, R3 and R4 each independently represent an alkyl group, an aryl group or a monovalent heterocyclic group, and these groups optionally have a substituent, two rings A may be the same or different, and represent a thiophene ring, a benzothiophene ring or a thienothiophene ring, n represents 1 or 2, and X represents a halogen atom, an alkyl group, an alkoxy group, an alkylthio group, an amino group, an aryl group, a monovalent heterocyclic group, an alkenyl group or an alkynyl group, and these groups optionally have a substituent, and when n is 2, two groups X may be the same or different.
    Type: Application
    Filed: July 15, 2015
    Publication date: June 29, 2017
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Eiji YOSHIKAWA, Tomoya KASHIKI
  • Patent number: 9693423
    Abstract: There is provided a metal-based particle assembly comprising 30 or more metal-based particles separated from each other and disposed in two dimensions, the metal-based particles having an average particle diameter in a range of from 200 to 1600 nm, an average height in a range of from 55 to 500 nm, and an aspect ratio, as defined by a ratio of the average particle diameter to the average height, in a range of from 1 to 8, wherein the metal-based particles are disposed such that an average distance between adjacent metal-based particles may be in a range of from 1 to 150 nm. This metal-based particle assembly presents significantly intense plasmon resonance and also allows plasmon resonance to have an effect over a range extended to a significantly large distance.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: June 27, 2017
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Tomohiro Fukuura
  • Patent number: 9693424
    Abstract: There is provided a metal-based particle assembly comprising 30 or more metal-based particles separated from each other and disposed in two dimensions, the metal-based particles having an average particle diameter of 200 to 1600 nm, an average height of 55 to 500 nm, and an aspect ratio of 1 to 8, wherein the metal-based particle assembly has in an absorption spectrum for a visible light region a maximum wavelength of a peak at a longest side in wavelength, and the maximum wavelength shifts toward a shorter side in wavelength in a range of from 30 to 500 nm as compared with that of a prescribed reference metal-based particle assembly. The metal-based particle assembly can have in an absorption spectrum a maximum wavelength of a peak at a longest side in wavelength, and the maximum wavelength is in a range of from 350 to 550 nm.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: June 27, 2017
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Tomohiro Fukuura
  • Patent number: 9691983
    Abstract: It is an object of the present invention to provide a composition using a polymer compound, which is useful for manufacturing a blue phosphorescent light-emitting device excellent in luminous efficiency. The present invention provides a composition including: a polymer compound substantially consisting of a constitutional unit selected from a constitutional unit represented by Formula (1)-1 below, a constitutional unit represented by Formula (1)-2 below, a constitutional unit represented by Formula (2)-1 below, a constitutional unit represented by Formula (2)-2 below, and a constitutional unit derived from a phosphorescent light-emitting compound having a light-emitting spectrum peak at smaller than 480 nm and the polymer compound containing at least both of the constitutional unit represented by Formula (1)-1 and the constitutional unit represented by Formula (1)-2; and a phosphorescent light-emitting compound having a light-emitting spectrum peak at smaller than 480 nm.
    Type: Grant
    Filed: July 13, 2011
    Date of Patent: June 27, 2017
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masayuki Soga, Osamu Goto, Kazuei Ohuchi, Nobuhiko Akino
  • Patent number: 9691984
    Abstract: A semiconducting polymer and electronic devices comprising such polymer, in which the polymer has one or more repeat units, a first of the repeat units having the structure wherein R12 to R17 independently comprise H or a polyether group having at least five ethoxy repeat units, and in which at least one of R12 to R17 has a polyether group.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: June 27, 2017
    Assignees: CAMBRIDGE DISPLAY TECHNOLOGY LIMITED, SUMITOMO CHEMICAL COMPANY LIMITED
    Inventor: Helen Middleton
  • Patent number: 9687990
    Abstract: A good-quality slit separator having a small amount of fuzziness at a slit part thereof is to be obtained. The present invention includes: a step (S101) of conveying an original sheet (S); and a step (S102) of slitting the original sheet (S) by causing a slitting blade (72) to cut into the original sheet (S) such that a d tangent plane angle (?3) in a tangent plane, on which a slitting position is in contact with the original sheet (S), is in a range of not less than 3° to not more than 35°.
    Type: Grant
    Filed: May 26, 2015
    Date of Patent: June 27, 2017
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Satoshi Oohira, Tatsuya Kataoka, Kiyomu Nomura, Masaya Kondo