Patents Assigned to Sumitomo Chemical Company, Ltd.
  • Patent number: 8120242
    Abstract: A transistor capable of modulating, at low voltages, a large current flowing between an emitter electrode and a collector electrode. A process of producing the transistor, a light-emitting device comprising the transistor, and a display comprising the transistor. The transistor comprises an emitter electrode and a collector electrode. Between the emitter electrode and the collector electrode are situated a semiconductor layer and a sheet base electrode. It is preferred that the semiconductor layer be situated between the emitter electrode and the base electrode and also between the collector electrode and the base electrode to constitute a second semiconductor layer and a first semiconductor layer, respectively. It is also preferred that the thickness of the base electrode be 80 nm or less. Furthermore, a dark current suppressor layer is situated at least between the emitter electrode and the base electrode, or between the collector electrode and the base electrode.
    Type: Grant
    Filed: March 22, 2007
    Date of Patent: February 21, 2012
    Assignees: Osaka University, Sumitomo Chemical Company, Ltd., Dai Nippon Printing Co., Ltd., Ricoh Company, Ltd.
    Inventors: Masaaki Yokoyama, Kenichi Nakayama
  • Publication number: 20110165513
    Abstract: The present invention provides a photoresist composition comprising a resin which comprises a structural unit represented by the formula (I): wherein Q1 and Q2 independently represent a fluorine atom etc., U represents a C1-C20 divalent hydrocarbon group etc., X1 represents —O—CO— etc., and A+ represents an organic counter ion, and a compound represented by the formula (D?): wherein R51, R52, R53 and R54 independently represent a C1-C20 alkyl group etc., and A11 represents a C1-C36 saturated cyclic hydrocarbon group which may have one or more substituents and which may contain one or more heteroatoms.
    Type: Application
    Filed: January 3, 2011
    Publication date: July 7, 2011
    Applicant: SUMITOMO CHEMICAL COMPANY LTD
    Inventors: Yuko YAMASHITA, Nobuo ANDO
  • Publication number: 20110158897
    Abstract: There is disclosed a process for producing chlorine by feeding hydrogen chloride and oxygen into catalyst beds which are formed in the reaction tubes of a fixed-bed multitubular reactor and which contain catalysts for use in oxidation of hydrochloric acid, and this process is characterized in that the catalyst beds in one reaction zone in the fixed-bed multitubular reactor are catalyst beds formed by packing catalysts of a plurality of production lots; and in that the catalysts of the plurality of production lots satisfy the following condition (I): Condition (I): a value of A/B is smaller than 1.20 (with the proviso that A and B are values of three significant figures, having a relationship of A?B), wherein the pore volume of a catalyst of one production lot optionally selected from the plurality of production lots is A [ml/g], and the pore volume of another one production lot is B [ml/g].
    Type: Application
    Filed: August 28, 2009
    Publication date: June 30, 2011
    Applicant: Sumitomo Chemical Company, Ltd.
    Inventor: Kohei Seki
  • Publication number: 20110129848
    Abstract: A novel protein (Gm1) includes an amino acid sequence part having a high homology with a domain having a high homology with a GTP binding site and a GTPase site conserved among G protein ? subunits and a trimer forming domain conserved among G protein ? subunits. The Gm1 protein is involved in signal transduction via a G protein-coupled receptor (GPCR) stimulation. The Gm1 protein is expressed intensively in human brain, thymus, testes, spleen, small intestine, uterus and heart.
    Type: Application
    Filed: February 1, 2011
    Publication date: June 2, 2011
    Applicant: SUMITOMO CHEMICAL COMPANY, LTD.
    Inventors: Yasuhiko Takahashi, Yasuo Matsumoto, Kenji Oeda
  • Patent number: 7893203
    Abstract: A novel protein (Gm1) includes an amino acid sequence part having a high homology with a domain having a high homology with a GTP binding site and a GTPase site conserved among G protein ? subunits and a trimer forming domain conserved among G protein ? subunits. The Gm1 protein is involved in signal transduction via a G protein-coupled receptor (GPCR) stimulation. The Gm1 protein is expressed intensively in human brain, thymus, testes, spleen, small intestine, uterus and heart. A method for screening for a substance capable of regulating a cellular signal transduction employs a polynucleotide encoding the Gm1 protein.
    Type: Grant
    Filed: May 9, 2008
    Date of Patent: February 22, 2011
    Assignee: Sumitomo Chemical Company, Ltd.
    Inventors: Yasuhiko Takahashi, Yasuo Matsumoto, Kenji Oeda
  • Patent number: 7871557
    Abstract: The object is to provide a method for producing a film excellent in a quality of odorless or free from deteriorating taste of food contained in a package of the extruded molded article by using an ethylene-?-olefin copolymer excellent in extrusion molding processability. This object is achieved by a method for producing an extruded molded article comprising a step of extruding a copolymer of ethylene and ?-olefin of from 3 to 20 carbon atoms having an activation energy for melt flow of not less than 50 kJ/mol under one of the following conditions: (a) a temperature of melted resin at die gap of T-die is not more than 200° C., (b) a temperature of melted resin at die gap of tubular tie is not more than 170° C.
    Type: Grant
    Filed: September 23, 2004
    Date of Patent: January 18, 2011
    Assignee: Sumitomo Chemical Company, Ltd.
    Inventors: Yuki Iseki, Kenzo Chikanari, Yasuro Suzuki
  • Patent number: 7858065
    Abstract: The present invention provides a process for producing supported ruthenium, which comprises recovering a ruthenium compound from supported ruthenium used as a catalyst in production of chlorine by oxidation of hydrogen chloride with oxygen, and supporting the ruthenium compound on a carrier; and a process for producing chlorine, which comprises producing a supported ruthenium catalyst by the process mentioned above and oxidizing hydrogen chloride with oxygen in the presence of the supported ruthenium.
    Type: Grant
    Filed: November 30, 2006
    Date of Patent: December 28, 2010
    Assignee: Sumitomo Chemical Company, Ltd.
    Inventor: Kohei Seki
  • Patent number: 7811839
    Abstract: The present invention provides a semiconductor light emitting device and a method for manufacturing the same. The semiconductor device comprises (i) a semiconductor layer with convex portions in a shape selected from a cone and a truncated cone and (ii) electrodes, wherein in the case of the convex portions with the shape of the truncated cone, the convex portions has a height of from 0.05 to 5.0 ?m and a bottom base diameter of from 0.05 to 2.0 ?m; in case of the convex portions with the shape of the cone, the convex portions has a height of from 0.05 to 5.0 ?m and a base diameter of from 0.05 to 2.0 ?m. A method for manufacturing a semiconductor light emitting device comprising the steps of (a) growing a semiconductor layer on a substrate, (b) forming on the semiconductor layer a region having particles with an average particle diameter of 0.
    Type: Grant
    Filed: February 16, 2006
    Date of Patent: October 12, 2010
    Assignee: Sumitomo Chemical Company, Ltd,
    Inventors: Kenji Kasahara, Kazumasa Ueda
  • Publication number: 20100144999
    Abstract: Disclosed is a method for producing an aromatic polymer characterized in that an aromatic compound represented by the formula (I) below is polycondensed in the presence of a palladium complex containing a phosphine compound represented by the formula (II) below. (I) (In the formula (I), Ar represents a bifunctional organic group containing an aromatic ring; X represents a halogen atom, a nitro group or a group expressed as —SO3Q (wherein Q is an optionally substituted hydrocarbon group); Y represents an oxygen atom, a sulfur atom or the like; n is 0 or 1; and M represents a hydrogen atom, a —B(OQ1)2 group (wherein Q1 is a hydrogen atom or a hydrocarbon group) or the like.) P(R1)3 (II) (In the formula (II), R1 represents a group represented by the formula (III) below or a group represented by the formula (IV) below, and three R1s may be the same as or different from one another, provided that at least one of R1s is a group represented by the formula (III) below.
    Type: Application
    Filed: February 15, 2006
    Publication date: June 10, 2010
    Applicant: Sumitomo Chemical Company, Ltd.
    Inventors: Tsutomu Yokozawa, Kazuei Ohuchi, Yasuhiro Kubota, Hideyuki Higashimura
  • Publication number: 20100140076
    Abstract: Disclosed is a method for processing a waste water containing an oxygen-containing compound having a phenolic hydroxyl group or a carbonyl group, which comprises the following first step and second step. First step: An alkaline agent is added into a waste water containing an oxygen-containing compound having a phenolic hydroxyl group or a carbonyl group so that the waste water has a pH of not less than 10. Second step: The waste water to which the alkaline agent is added in the first step is distilled for separating a waste liquid in which the oxygen-containing compound having a phenolic hydroxyl group or a carbonyl group is concentrated.
    Type: Application
    Filed: March 24, 2006
    Publication date: June 10, 2010
    Applicant: Sumitomo Chemical Company, Ltd.
    Inventor: Kenji Itoh
  • Publication number: 20100028807
    Abstract: An imide compound represented by the formula (I): wherein R1 represents a C1-C20 aliphatic hydrocarbon group etc., W1 represents —CO—O— etc., Q1 and Q2 each independently represent a fluorine atom etc., and A represents a group represented by the formula (I-1): wherein A1 represents —CH2—CH2— etc., and a chemically amplified resist composition containing the same.
    Type: Application
    Filed: July 21, 2009
    Publication date: February 4, 2010
    Applicant: SUMITOMO CHEMICAL COMPANY, LTD.
    Inventors: Ichiki TAKEMOTO, Tatsuro MASUYAMA, Takashi HIRAOKA
  • Publication number: 20100021847
    Abstract: An oxime compound represented by the formula (I): wherein Y represents an unsubstituted or substituted n-valent C6-C14 aromatic hydrocarbon group, n represents an integer of 1 to 6, R1) represents a C1-C30 aliphatic hydrocarbon group etc., R2 represents a linear or branched chain C1-C20 aliphatic hydrocarbon group etc., W represents —CO—O— etc., Q1 and Q2 each independently represent a fluorine atom etc., Z represents a C1-C20 halogenated aliphatic hydrocarbon group etc, and the resist composition containing the same.
    Type: Application
    Filed: July 21, 2009
    Publication date: January 28, 2010
    Applicant: SUMITOMO CHEMICAL COMPANY, LTD.
    Inventors: Tatsuro MASUYAMA, Kazuhiko HASHIMOTO, Takashi HIRAOKA, Ichiki TAKEMOTO
  • Publication number: 20090137839
    Abstract: A method for producing a (2-formyl-1-alkenyl)cyclopropane compound represented by the formula (1): wherein R1 and R2 are the same or different, and independently represent a hydrogen atom, an optionally substituted alkyl group, an optionally substituted alkenyl group, an optionally substituted alkynyl group, an optionally substituted aryl group or an optionally substituted aralkyl group, which comprises reacting a formylcyclopropane compound represented by the formula (3): wherein R1 is the same as defined above, with an aldehyde compound represented by the formula (4): wherein R2 is the same as defined above, in the presence of a base.
    Type: Application
    Filed: January 22, 2009
    Publication date: May 28, 2009
    Applicant: Sumitomo Chemical Company, Ltd.
    Inventor: Kouji YOSHIKAWA
  • Publication number: 20090108749
    Abstract: A transistor capable of modulating, at low voltages, a large current flowing between an emitter electrode and a collector electrode. A process of producing the transistor, a light-emitting device comprising the transistor, and a display comprising the transistor. The transistor comprises an emitter electrode and a collector electrode. Between the emitter electrode and the collector electrode are situated a semiconductor layer and a sheet base electrode. It is preferred that the semiconductor layer be situated between the emitter electrode and the base electrode and also between the collector electrode and the base electrode to constitute a second semiconductor layer and a first semiconductor layer, respectively. It is also preferred that the thickness of the base electrode be 80 nm or less. Furthermore, a dark current suppressor layer is situated at least between the emitter electrode and the base electrode, or between the collector electrode and the base electrode.
    Type: Application
    Filed: March 22, 2007
    Publication date: April 30, 2009
    Applicants: Osaka University, Sumitomo Chemical Company, Ltd., Dai Nippon Printing Co. Ltd., Ricoh Company Ltd.
    Inventors: Masaaki Yokoyama, Kenichi Nakayama
  • Patent number: 7511191
    Abstract: Raffinose synthase genes coding for proteins capable of producing raffinose by combining a D-galactosyl group through an ?(1?6) bond with a hydroxyl group attached to the carbon atom at position 6 of a D-glucose residue in a sucrose molecule were isolated from various plants. These raffinose synthase genes are useful to change the content of raffinose family oligosaccharides in plants.
    Type: Grant
    Filed: April 29, 1999
    Date of Patent: March 31, 2009
    Assignee: Sumitomo Chemical Company Ltd.
    Inventors: Eijiro Watanabe, Kenji Oeda
  • Publication number: 20090008652
    Abstract: The present invention provides a free-standing substrate, a method for producing the same and a semiconductor light-emitting device. The free-standing substrate comprises a semiconductor layer and inorganic particles, wherein the inorganic particles are included in the semiconductor layer. The method for producing a free-standing substrate comprises the steps of: (a) placing inorganic particles on a substrate, (b) growing a semiconductor layer thereon, and (c) separating the semiconductor layer from the substrate, in that order. The semiconductor light-emitting device comprises the free-standing substrate, a conductive layer, a light-emitting device, and electrodes.
    Type: Application
    Filed: March 20, 2006
    Publication date: January 8, 2009
    Applicant: Sumitomo Chemical Company, Ltd.
    Inventors: Kazumasa Ueda, Naohiro Nishikawa, Yoshihiko Tsuchida
  • Patent number: 7468448
    Abstract: The present invention provides a method for producing compound (XIV) useful as an intermediate for pharmaceutical agents efficiently and economically on an industrial scale without using ozone oxidation and highly toxic reagent, and an intermediate used for this method. Particularly, the present invention provides a method for producing a compound having an absolute configuration represented by the formula (XV) and an enantiomer thereof without using a technique such as optical resolution and the like, and an intermediate used for this method. (1) Compound (XIII) as a starting material is led to compound (I), and after introducing a protecting group, subjected to reduction and cyclization to give compound (XIV). Particularly, compound (XIII) as a material is led to compound (I) via compound (XX) to produce compound (XIV).
    Type: Grant
    Filed: February 24, 2005
    Date of Patent: December 23, 2008
    Assignee: Sumitomo Chemical Company, Ltd.
    Inventors: Tetsuya Ikemoto, Dongguo Piao
  • Publication number: 20080233126
    Abstract: A novel protein (Gm1) includes an amino acid sequence part having a high homology with a domain having a high homology with a GTP binding site and a GTPase site conserved among G protein ? subunits and a trimer forming domain conserved among G protein ? subunits. The Gm1 protein is involved in signal transduction via a G protein-coupled receptor (GPCR) stimulation. The Gm1 protein is expressed intensively in human brain, thymus, testes, spleen, small intestine, uterus and heart. A method for screening for a substance capable of regulating a cellular signal transduction employs a polynucleotide encoding the Gm1 protein.
    Type: Application
    Filed: May 9, 2008
    Publication date: September 25, 2008
    Applicant: SUMITOMO CHEMICAL COMPANY, LTD.
    Inventors: Yasuhiko Takahashi, Yasuo Matsumoto, Kenji Oeda
  • Publication number: 20080081845
    Abstract: A resin composition for pressure-foam molding, which comprises an ethylene-based copolymer and a foaming agent, wherein the ethylene-based copolymer has monomer units derived from ethylene and monomer units derived from an a-olefin having 3 to 20 carbon atoms, has a melt flow rate of 0.01 to 0.7 g/10 minutes, a molecular weight distribution of 5 or more determined by a gel permeation chromatography, an activation energy of flow of 40 kJ/mol or more, and inflection points of 3 or less on a melting curve within temperature range from 25° C. to the end point of melting obtained by a differential scanning calorimetry; a foam obtained by press foaming; and a process for producing the foam.
    Type: Application
    Filed: September 24, 2007
    Publication date: April 3, 2008
    Applicant: SUMITOMO CHEMICAL COMPANY, LTD.
    Inventors: Katsuhiro Yamada, Tatsuhiro Nagamatsu
  • Patent number: 7339019
    Abstract: A copolymer having monomer units derived from ethylene and monomer units derived from an ?-olefin of 3 to 20 carbon atoms, a density of 906 to 970 kg/m3 and an activation energy of flow of 50 kJ/mol or more, and satisfying specific relations among a melt complex viscosity, a melt flow rate and a characteristic relaxation time.
    Type: Grant
    Filed: October 24, 2005
    Date of Patent: March 4, 2008
    Assignee: Sumitomo Chemical Company, Ltd.
    Inventors: Yuki Iseki, Katsuhiro Yamada, Tatsuhiro Nagamatsu