Patents Assigned to Sumitomo Chemical Company
  • Publication number: 20210036213
    Abstract: There is provided a piezoelectric stack, including: a substrate; an electrode film; and a piezoelectric film which is comprised of alkali niobium oxide of a perovskite structure represented by a composition formula of (K1-xNax)NbO3 (0<x<1), wherein the piezoelectric film comprises crystals having a grain size with a standard deviation of 0.42 ?m or less.
    Type: Application
    Filed: July 30, 2020
    Publication date: February 4, 2021
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kenji SHIBATA, Kazutoshi WATANABE, Toshiaki KURODA
  • Publication number: 20210036214
    Abstract: There is provided a piezoelectric stack, including: a substrate; an electrode film; and a piezoelectric film which is comprised of alkali niobium oxide of a perovskite structure represented by a composition formula of (K1-xNax)NbO3 (0<x<1), wherein the piezoelectric film comprises crystals having a grain size with a standard deviation of more than 0.42 ?m.
    Type: Application
    Filed: July 30, 2020
    Publication date: February 4, 2021
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kenji SHIBATA, Kazutoshi WATANABE, Toshiaki KURODA
  • Publication number: 20210036212
    Abstract: There is provided a piezoelectric laminate, including: a substrate; an electrode film formed on the substrate; a layer comprised of lanthanum nickel oxide and formed on the electrode film; and a piezoelectric film formed on the layer comprised of lanthanum nickel oxide, and comprised of alkali niobium oxide of a perovskite structure represented by a composition formula of (K1?xNax)NbO3 (0<x<1), and containing a metallic element selected from a group consisting of Cu and Mn at a concentration of 0.2 at % or more and 2.0 at % or less, wherein the piezoelectric film has a breakdown voltage of 350 kV/cm or more.
    Type: Application
    Filed: July 30, 2020
    Publication date: February 4, 2021
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kenji SHIBATA, Kazutoshi WATANABE, Toshiaki KURODA
  • Patent number: 10907035
    Abstract: A propylene resin composition containing (A), (B), (C), and (D) is provided. The content of (A) is 40 to 65 parts by weight, the content of (B) is 10 to 25 parts by weight, the content of (C) is 25 to 35 parts by weight, and the content of (D) is 0.01 to 0.3 parts by weight based on the total weight of (A), (B), and (C) being 100 parts by weight. (A) is a propylene-based polymer, (B) is an ethylene-?-olefin copolymer, (C) is a talc whose ratio of D50[L] to D50[S] is at least 4, and (D) is a nucleating agent having formula (1): R1 and R2 each independently represent an alkyl group having 1 to 8 carbon atoms or a halogen group, and m and n each independently represent an integer of 1 to 5. A molded article produced from the composition has low linear expansion coefficients.
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: February 2, 2021
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Hiroshi Fukuroda, Toshiya Maruyama
  • Patent number: 10906816
    Abstract: An alumina having a multimodal particle size distribution wherein at least one of the particle sizes giving local maximum values in the particle size distribution is less than 10 ?m, and wherein the alumina comprises 1 to 5 wt % of at least one of La and Ba.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: February 2, 2021
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yoshitaka Kawakami, Kohei Sogabe, Tetsu Umeda
  • Publication number: 20210024737
    Abstract: Provided is a colored resin composition excellent in storage stability. The colored resin composition according to the present invention is a colored resin composition comprising a colorant, a resin and a solvent, the colorant comprising a dye, the solvent comprising a first solvent which is propylene glycol monomethyl ether acetate, and a second solvent which is a ketone having 3 to 12 carbon atoms, and the ketone being a chain or branched saturated ketone comprising only an oxygen atom of a carbonyl group as a heteroatom.
    Type: Application
    Filed: February 19, 2019
    Publication date: January 28, 2021
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Yutaka KAWANISHI
  • Publication number: 20210024674
    Abstract: Provided is an organic thin film transistor having a high carrier mobility. Provided is a polymer compound, including: a repeating unit represented by the following formula (1); and at least two repeating units, the repeating units being at least one selected from the group consisting of a repeating unit having a blocked isocyanato group and a repeating unit having a blocked isothiocyanato group, wherein, in formula (1), R1 is a hydrogen atom or a methyl group; R is a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms; Rf is a fluorine atom or a monovalent organic group including a fluorine atom; Ra is a divalent organic group having 1 to 20 carbon atoms, and a hydrogen atom in the divalent organic group may be substituted with a fluorine atom; X is an oxygen atom or a group represented by —NR7—; R7 is a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms; a is an integer of 0 to 20; and m is an integer of 1 to 5.
    Type: Application
    Filed: February 15, 2017
    Publication date: January 28, 2021
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Isao YAHAGI, Yuki YOKOI
  • Publication number: 20210022338
    Abstract: The present invention provides a compound that have excellent harmful arthropod controlling effects, the compounds being represented by formula (I) [wherein R represents a C1-C6 chain hydrocarbon group etc., X represents a C1-C4 chain hydrocarbon group etc., G represents a C1-C4 chain hydrocarbon group etc., and n is 0, 1, 2, or 3], as well as a composition for controlling harmful arthropod comprising the same, and a method for controlling harmful arthropod comprising applying the same.
    Type: Application
    Filed: March 27, 2019
    Publication date: January 28, 2021
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yuko SEMBA, Daisuke OOHIRA, Kazuya UJIHARA
  • Patent number: 10899890
    Abstract: The invention provides an aromatic polysulfone including an aromatic polysulfone having at least one highly polar functional group at its terminus, wherein in the aromatic polysulfone, an area of a signal attributed to the aromatic polysulfone having a highly polar functional group with respect to a total area of all signals attributed to the aromatic polysulfone in a chromatogram obtained by measurement through a gel permeation chromatography method under the following conditions is 19% or more and 100% or less, wherein sample injection volume is 5 ?L, column is “Shodex KF-803” manufactured by Showa Denko K.K., column temperature is 40° C., eluent is N,N-dimethylformamide, eluent flow rate is 0.5 mL/min, and detector is ultraviolet-visible spectrophotometer (UV).
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: January 26, 2021
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kazuyuki Ito, Yoshio Shoda
  • Patent number: 10903074
    Abstract: To provide a new GaN laminate obtained by growing a GaN layer on a GaN substrate by HVPE, including: a GaN substrate containing GaN single crystal and having a low index crystal plane as c-plane closest to a main surface; and a GaN layer epitaxially grown on the main surface of the GaN substrate, and having a thickness of 10 nm or more, wherein a surface of the GaN layer has a step-terrace structure in which a step having a height of equal to or more than a plurality of molecular layers of GaN and extending in a predetermined direction and a terrace are alternately arranged.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: January 26, 2021
    Assignees: SCIOCS COMPANY LIMITED, SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Hajime Fujikura
  • Patent number: 10899888
    Abstract: A thermoplastic aromatic polysulfone is obtained by polymerizing a dihalogeno compound (A) and a dihydric phenol (B). The ratio (Mw/Mn) between a number average molecular weight (Mn) and a weight average molecular weight (Mw) is at least 1.91, and the number average molecular weight (Mn) is at least 6,000 and less than 14,000, In (A) and (B), each of X and X? independently represents a halogen atom; each of R1, R2, R3 and R4 independently represents an alkyl group having 1 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms; each of n1, n2, n3 and n4 independently represents an integer of 0 to 4; and when n1, n2, n3 or n4 is an integer of 2 to 4, a plurality of R1, R2, R3 or R4 groups may be the same or different from each other.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: January 26, 2021
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Shinji Ohtomo, Masanobu Matsubara
  • Patent number: 10897904
    Abstract: The present invention can provide a method exerting an excellent control effect in the control of glyphosate-resistant weeds. The method includes the step of applying 5 to 200 g per 10000 m2 of trifludimoxazin to the glyphosate-resistant weed or a habitat of the glyphosate-resistant weed.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: January 26, 2021
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yoshinao Sada, Yoshinobu Jin
  • Patent number: 10899935
    Abstract: A coating material for preventing metal corrosion contains 50 to 99% by mass of an inorganic layered compound having an average particle size of 10 ?m or less; 1 to 50% by mass of a corrosion inhibitor; and a liquid medium, in which the total content of the inorganic layered compound and the corrosion inhibitor is 100% by mass.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: January 26, 2021
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Nobuhiro Oosaki, Makiko Miura, Daisuke Shibata
  • Patent number: 10899889
    Abstract: The invention provides an aromatic polysulfone including an aromatic polysulfone having at least one highly polar functional group at its terminus, wherein in the aromatic polysulfone, an area of a signal attributed to the aromatic polysulfone having a highly polar functional group with respect to a total area of all signals attributed to the aromatic polysulfone in a chromatogram obtained by measurement through a gel permeation chromatography method under the following conditions is 0.1% or more and 11% or less, wherein the sample injection volume is 5 ?L, column is “Shodex KF-803” manufactured by Showa Denko K.K., column temperature is 40° C., eluent is N,N-dimethylformamide, eluent flow rate is 0.5 mL/min, detector is ultraviolet-visible spectrophotometer (UV), and detection wavelength is 277 nm.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: January 26, 2021
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kazuyuki Ito, Yoshio Shoda
  • Publication number: 20210017321
    Abstract: A method for producing conjugated diene rubber is provided, including: a first step of obtaining a conjugated diene polymer chain having an active end by polymerizing a monomer comprising a conjugated diene compound and a vinyl compound having a functional group interactive with silica using a polymerization initiator in an inert solvent; a second step of reacting a siloxane compound with the active end of the conjugated diene polymer chain having the active end; and a third step of reacting a hydrocarbyloxysilane compound with the conjugated diene polymer chain with which the siloxane compound has been reacted that is obtained in the second step.
    Type: Application
    Filed: March 26, 2019
    Publication date: January 21, 2021
    Applicants: ZEON CORPORATION, SUMITOMO CHEMICAL COMPANY, LIMITED, ZS ELASTOMERS CO., LTD.
    Inventors: Takuro SAKURAI, Takashi IIZUKA, Mana FUJII, Hisakatsu HAMA
  • Publication number: 20210017129
    Abstract: An object of the present invention is to provide a refined methionine production method capable of achieving an improvement in washing efficiency. This production method is a method for producing refined methionine from a slurry of crude methionine and comprises (1) a step of separating the slurry of crude methionine into solid and liquid by using a continuous filter, (2) a step of spraying preliminary washing water on a crude cake obtained by separating the slurry of crude methionine into solid and liquid to wash the crude cake, and (3) a step of mixing a semi-refined cake obtained by spraying preliminary washing water on the crude cake to wash the crude cake with finishing washing water to wash the semi-refined cake.
    Type: Application
    Filed: December 25, 2018
    Publication date: January 21, 2021
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Naoya YAMASHIRO, Akira MORIMOTO, Yoshitaka SATOH
  • Patent number: 10893676
    Abstract: A compound represented by formula (1) is described: The compound has an excellent efficacy for controlling weeds, and is thus useful as an active ingredient for an agent for controlling weeds.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: January 19, 2021
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Shinya Yamada
  • Publication number: 20210007357
    Abstract: A composition is provided for controlling pests containing a carboxamide compound represented by the following formula (I): wherein R1 represents a hydrogen atom or a fluorine atom, and one or more compounds selected from the following group (A), wherein the group (A) is a group consisting of a compound represented by the following formula (II): and a compound represented by the following formula (III): which has an excellent efficacy for controlling pests.
    Type: Application
    Filed: January 26, 2017
    Publication date: January 14, 2021
    Applicants: Sumitomo Chemical Company, Limited, Sumitomo Chemical Company, Limited
    Inventor: Takuya INOUE
  • Publication number: 20210011016
    Abstract: The invention concerns a lateral flow assay device for determining the presence of an analyte in a liquid sample; the use of said device to test for the presence of an analyte in a liquid sample; and a method for determining the presence of an analyte in a liquid sample 5 involving the use of said device.
    Type: Application
    Filed: February 19, 2019
    Publication date: January 14, 2021
    Applicant: Sumitomo Chemical Company Limited
    Inventor: Jonathan Behrendt
  • Patent number: 10890702
    Abstract: Method for producing a thin optical laminated body. This method is a method for producing a laminated body including a polarization layer, a ?/2 layer, a ?/4 layer, a positive C layer, and a transfer adhesive layer, the laminated body including the polarization layer, the ?/2 layer and the ?/4 layer in this member-described order; including the positive C layer between the polarization layer and the ?/4 layer, or at the side of the ?/4 layer that is opposite to the ?/2-layer-arranged side of the ?/4 layer; and including the transfer adhesive layer between the polarization layer and the ?/4 layer or positive C layer, the method including the step of bonding a bonding body including a substrate and the transfer adhesive layer to an adherend through the transfer adhesive layer, and peeling the substrate from the resultant.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: January 12, 2021
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Nobuyuki Hatanaka, Tadahiro Kobayashi, Akira Yokota