Patents Assigned to Dai-Ichi Kogyo Seiyaku Co., Ltd.
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Patent number: 8871567Abstract: The present invention achieves a formation of a metal oxide film of a thin film transistor with a simplified process. The present invention is concerned with a method for manufacturing a field-effect transistor comprising a gate electrode, a source electrode, a drain electrode, a channel layer and a gate insulating layer wherein the channel layer is formed by using a metal salt-containing composition comprising a metal salt, a polyvalent carboxylic acid having a cis-form structure of —C(COOH)?C(COOH)—, an organic solvent and a water wherein a molar ratio of the polyvalent carboxylic acid to the metal salt is in the range of 0.5 to 4.0.Type: GrantFiled: December 19, 2011Date of Patent: October 28, 2014Assignees: Panasonic Corporation, Dai-Ichi Kogyo Seiyaku Co., Ltd.Inventors: Koichi Hirano, Shingo Komatsu, Yasuteru Saito, Naoki Ike
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Patent number: 8828609Abstract: The invention relates to a method for manufacturing an electrochemical cell comprising an anode and a cathode separated by a separator and a gel electrolyte. The method comprises the steps of assembling the electrodes and the separator, and injecting a liquid electrolyte composition between the electrodes, the liquid electrolyte composition comprising a polymer, an aprotic liquid solvent and a lithium salt, wherein the polymer in the liquid electrolyte composition has functional groups capable of polymerizing via cationic polymerization, and the cell is submitted to an electrochemical cycling comprising a charging step and a discharging step.Type: GrantFiled: March 5, 2009Date of Patent: September 9, 2014Assignees: Hydro-Quebec, Dai-Ichi Kogyo Seiyaku Co., Ltd.Inventors: Karim Zaghib, Manabu Kikuta, Martin Dontigny, Abdelbast Guerfi, Michiyuki Kono
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Publication number: 20140243552Abstract: A reactive emulsifier comprising a compound of formula (I), which makes polymerization stability satisfactory and is capable of improving the water resistance etc. of the polymer film to be obtained. In the formula (I), D represents a polymerizable unsaturated group represented by the chemical formula D-1 or D-2; m1 represents a number of 1 or larger; R1 represents an alkyl group having 1 to 12 carbon atoms; m2 represents a number of 0 to 4; and the sum of m1 and m2 is 1 to 5. R2 represents a hydrocarbon group having 6 to 30 carbon atoms; A represents either an alkylene group or a substituted alkylene group which has 2 to 4 carbon atoms; and n is in the range of 0 to 1,000. X represents a hydrogen atom or an anionic hydrophilic group which is —(CH2)a—SO3M etc. R3 represents a hydrogen atom or methyl.Type: ApplicationFiled: September 18, 2012Publication date: August 28, 2014Applicant: Dai-ichi Kogyo Seiyaku Co., Ltd.Inventors: Asako Ogasawara, Masayuki Hashimoto
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Publication number: 20140171559Abstract: A polylactic acid resin composition excellent in impact resistance, migration resistance, and heat resistance, and excellent in productivity at the time of the mold forming thereof, and a resin molded article thereof. The polylactic acid resin composition includes a polylactic acid; a reaction product of at least one selected from the group consisting of sorbitol, mannitol, and dehydration condensates thereof, an alkylene oxide mainly formed of ethylene oxide, and a fatty acid having 12 to 24 carbon atoms; and a crystal nucleating agent comprising at least one compound selected from: an organic phosphonic acid salt compound, an amide compound having a ring structure, an organic hydrazide compound, an organic sulfonic acid salt compound, a phthalocyanine compound, and a melamine compound.Type: ApplicationFiled: December 11, 2013Publication date: June 19, 2014Applicant: DAI-ICHI KOGYO SEIYAKU CO., LTD.Inventor: Ken Morishita
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Publication number: 20140128554Abstract: The polyurethane resin composition comprises a main agent (I) which comprises an urethane prepolymer (A) with an isocyanate group terminal and a hardener (II) which comprises an urethane prepolymer (B) with a hydroxyl group terminal, wherein the urethane prepolymer (B) with the hydroxyl group is a product of reaction between a polyol ingredient (a) comprising a castor oil-based polyol (a1) and a polyisocyanate (b) can inhibit the hollow fiber membranes from clogging, regardless of the kind thereof, when the composition is used as a binder for hollow fiber membranes.Type: ApplicationFiled: May 25, 2012Publication date: May 8, 2014Applicant: DAI-ICHI KOGYO SEIYAKU CO., LTD.Inventor: Masaharu Hirose
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Patent number: 8668850Abstract: A flame retarded foamed plastic composition comprises a polystyrene type resin; a brominated flame retardant having a Br content greater than 60% by weight and a 5 wt % loss temperature of 190-320° C.; a hindered amine of 4-hydroxy-2,2,6,6-tetramethylpiperidine carboxylate series, and a blowing agent.Type: GrantFiled: April 6, 2006Date of Patent: March 11, 2014Assignee: Dai-Ichi Kogyo Seiyaku Co., Ltd.Inventors: Hideaki Onishi, Ken Morishita
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Publication number: 20130084489Abstract: A lithium ion secondary battery capable of charging in 15 minutes or less has a cathode with a composite layer on a surface of a collector having an active material and a conducting agent, an anode with an active material, an insulator between the cathode and anode, and an electrolyte with lithium ions. The cathode active material is represented by LixMPO4, where M is a metal atom and 0<x<2 and the conducting agent contains particles between 3 ?m and 12 ?m in size and in an amount of 1% or more by weight.Type: ApplicationFiled: April 26, 2012Publication date: April 4, 2013Applicant: Dai-Ichi Kogyo Seiyaku Co., LTDInventors: Tetsuya Higashizaki, Toshinori Sugimoto, Yuji Hoshihara, Eriko Ishiko
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Patent number: 8377504Abstract: A method for producing an electroconductive polymer electrode that is excellent in electroconductivity and catalyst capability, is easily patterned, is high in use efficiency of a coating solution, and can produce conveniently with good reproducibility and productivity, and a dye-sensitized solar cell with an excellent conversion efficiency obtained by using the same are provided. Specifically, such a method is employed that a solution containing a monomer of an electroconductive polymer, a pyrrolidone compound represented by the following general formula (1) as a polymerization controlling agent and an oxidizing agent is coated on an electrode substrate, and then the monomer is polymerized by oxidation polymerization to form an electroconductive polymer electrode. wherein in the formula (1), R1 represents an alkyl group or an aryl group.Type: GrantFiled: September 10, 2008Date of Patent: February 19, 2013Assignee: Dai-Ichi Kogyo Seiyaku Co., Ltd.Inventors: Yasuteru Saito, Masashi Nakayama
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Publication number: 20130017456Abstract: A flame-retardant lithium secondary battery is provided that has better battery performance and higher safety than conventional batteries. The lithium secondary battery uses a positive electrode that includes a positive electrode active material of the general formula (I) below, and a nonaqueous electrolytic solution in which an ionic liquid that contains bis(fluorosulfonyl)imide anions as an anionic component is used as the solvent, (1) LiNixMny O4, wherein x and y are values that satisfy the relations x+y=2, and x:y=27.572.5 to 22.577.5.Type: ApplicationFiled: January 17, 2011Publication date: January 17, 2013Applicants: A SCHOOL CORPORATION KANSAI UNIVERSITY, DAI-ICHI KOGYO SEIYAKU CO., LTD.Inventors: Toshinori Sugimoto, Tetsuya Higashizaki, Eriko Ishiko, Michiyuki Kono, Masashi Ishikawa
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Patent number: 8354479Abstract: The present invention provides a functional filler which is excellent in dispersibility or interaction with polylactic acid as a matrix polymer and can improve heat resistance, moldability and mechanical strength of the polylactic acid; and a resin composition containing the functional filler. The functional filler of the present invention is characterized in including a raw material filler and polylactic acid, wherein a surface or end the raw material filler is modified by the polylactic acid.Type: GrantFiled: November 30, 2010Date of Patent: January 15, 2013Assignee: Dai-ichi Kogyo Seiyaku Co., Ltd.Inventors: Masahiro Satoh, Fengzhe Jin, Yoshikazu Kondo
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Publication number: 20120308624Abstract: A viscous composition of the present invention comprises specific cellulose fibers (A), (A?) and (A?) which are selected according to uses of a cosmetic composition, a gel-like composition and a spray composition. By using the composition of the present invention, a cosmetic composition which is excellent in shape retention ability and dispersion stability and excellent in water tolerance to satisfy the properties and the performance which is necessary for cosmetics; a gel-like composition wherein gel-state can be kept without separation or water release; and wherein various functional additives which is necessary for the use is mixed without any problem can be obtained.Type: ApplicationFiled: January 22, 2010Publication date: December 6, 2012Applicant: DAI-ICHI KOGYO SEIYAKU CO., LTD.Inventors: Akira Isogai, Hideyuki Sumi, Yousuke Goi
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Publication number: 20120270101Abstract: A lithium ion secondary battery capable of charging in 15 minutes or less has a cathode with a composite layer on a surface of a collector having an active material and a conducting agent, an anode with an active material, an insulator between the cathode and anode, and an electrolyte with lithium ions. The cathode active material is represented by LixMPO4, where M is a metal atom and 0<x<2 and the conducting agent contains particles between 3 ?m and 12 ?m in size and in an amount of 1% or more by weight.Type: ApplicationFiled: April 26, 2012Publication date: October 25, 2012Applicant: Dai-Ichi Kogyo Seiyaku Co., LTDInventors: Tetsuya Higashizaki, Toshinori Sugimoto, Yuji Hoshihara, Eriko Ishiko
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Publication number: 20120230900Abstract: An object of the present invention is to provide a metal salt-containing composition which is applicable to many metal source materials, and can be used for forming a compact and uniform metal oxide film comparable to those formed according to a sputtering method, as well as to provide a substrate having a metal complex film on the surface thereof obtained using the metal salt-containing composition, and a substrate having a metal complex film on the surface thereof obtained by further heating the substrate. Moreover, another object of the present invention is to provide a method for manufacturing a substrate having such a metal complex film on the surface thereof. According to the present invention, a metal salt-containing composition containing a metal salt, a polyvalent carboxylic acid having a cis-form structure, and a solvent, in which: the molar ratio of the polyvalent carboxylic acid to the metal salt is not less than 0.5 and not more than 4.Type: ApplicationFiled: September 28, 2009Publication date: September 13, 2012Applicant: Dai-Ichi Kogyo Seiyaku Co., Ltd.Inventors: Yasuteru Saito, Naoki Ike
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Publication number: 20120115037Abstract: The present invention provides a polymer gel electrolyte capable of inhibiting the cell expansion of a polymer secondary battery and improving the cycle characteristics and high-temperature storage characteristics of a polymer secondary battery. The present invention relates to a polymer gel electrolyte comprising an aprotic solvent; a supporting salt; a cyclic sulfonic acid ester which includes at least two sulfonyl groups; and a crosslinked polymer obtained by crosslinking a methacrylic acid ester polymer represented by general formula (1) below. In the general formula (1), n meets 1800<n<3000 and m meets 350<m<600.Type: ApplicationFiled: July 9, 2009Publication date: May 10, 2012Applicants: DAI-ICHI KOGYO SEIYAKU CO., LTD., NEC ENERGY DEVICES, LTD.Inventors: Yasutaka Kono, Koji Utsugi, Hiroshi Kobayashi, Hitoshi Ishikawa, Manabu Kikuta, Michiyuki Kono
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Publication number: 20120037861Abstract: A flame retardant composition for flammable plastic materials and a method for producing the same are disclosed. The flame retardant composition comprises 2,4,6-tris(2,4,6-tribromophenoxy)-1,3,5-triazine that contains 1 to 1000 ppm of a metal species of a water-insoluble polyvalent metal compound selected from the group consisting of oxide, hydroxide, carbonate, phosphate, sulfate and silicate present in the particles of 2,4,6-tris(2,4,6-tribromophenoxy)-1,3,5-triazine. The flame retardant composition is produced by reacting an alkali metal salt of 2,4,6-tribromophenol and cyanuric chloride in the presence of said water-insoluble polyvalent metal compound.Type: ApplicationFiled: May 1, 2009Publication date: February 16, 2012Applicant: Dai-Ichi Kogyo Seiyaku Co., Ltd.Inventors: Hideaki Onishi, Michael Peled
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Patent number: 7938985Abstract: An anticaking agent for an iron and steel slag contains (A) at least one member selected from the group consisting of a phosphonic acid derivative and a salt thereof and (B) at least one member selected from the group consisting of an aliphatic hydroxycarboxylic acid and a salt thereof, at a mixing ratio (A)/(B) of the at least one member selected from the group consisting of a phosphonic acid derivative and a salt thereof (A) to the at least one member selected from the group consisting of an aliphatic hydroxycarboxylic acid and a salt thereof (B) of from 95/5 to 5/95 by mass, and the anticaking agent for an iron and steel slag may further contain (C) a sugar alcohol, thereby providing further high synergistic effect on anticaking capability.Type: GrantFiled: November 21, 2008Date of Patent: May 10, 2011Assignee: Dai-Ichi Kogyo Seiyaku Co., Ltd.Inventors: Masayuki Hashimoto, Kazunori Nakagawa
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Publication number: 20110081583Abstract: The lithium secondary battery of the present invention is a lithium secondary battery including a positive electrode, a negative electrode, a separator provided between the positive electrode and the negative electrode, and a non-aqueous electrolyte containing a lithium salt, wherein the non-aqueous electrolyte includes, as a solvent, an ionic liquid containing a bis(fluorosulfonyl)imide anion as an anion component; and the separator is a nonwoven fabric comprising at least one member selected from an organic fiber and a glass fiber and has a porosity of 70% or more.Type: ApplicationFiled: June 8, 2010Publication date: April 7, 2011Applicant: DAI-ICHI KOGYO SEIYAKU CO., LTD.Inventors: Toshinori SUGIMOTO, Eriko ISHIKO, Tetsuya HIGASHIZAKI, Michiyuki KONO
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Patent number: 7902304Abstract: The present invention provides a functional filler which is excellent in dispersibility or interaction with polylactic acid as a matrix polymer and can improve heat resistance, moldability and mechanical strength of the polylactic acid; and a resin composition containing the functional filler. The functional filler of the present invention is characterized in including a raw material filler and polylactic acid, wherein a surface or end the raw material filler is modified by the polylactic acid.Type: GrantFiled: September 29, 2006Date of Patent: March 8, 2011Assignee: Dai-Ichi Kogyo Seiyaku Co., Ltd.Inventors: Masahiro Satoh, Fengzhe Jin, Yoshikazu Kondo
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Publication number: 20090263718Abstract: A positive electrode for a lithium secondary cell is provided that is excellent in dispersibility and adhesion of the conductive agent and provides a lithium secondary cell excellent in performance. The positive electrode for a lithium secondary cell contains a positive electrode active substance represented by the following formula (I), a conductive agent and a binder, and the conductive agent has an average particle diameter of from 3 to 20 ?m measured by a laser diffraction scattering method: LixMPO4 ??(I) wherein M represents a metallic atom containing at least one member selected from the group consisting of Co, Ni, Fe, Mn, Cu, Mg, Zn, Ti, Al, Si, B and Mo; and 0<x<2.Type: ApplicationFiled: April 22, 2009Publication date: October 22, 2009Applicant: Dai-Ichi Kogyo Seiyaku Co., Ltd.Inventors: Tetsuya Higashizaki, Eriko Ishiko
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Patent number: 7605271Abstract: Provided is an ionic liquid, represented by the formula K+A?, having a very low content of impurities, especially a low content of halogen ions and/or a low content of alkali metal, wherein K+is a quaternary ammonium ion, for example an imidazolium ion. Also provided is a quaternarization process for making the ionic liquid in reacted with an acid ester such as a sulfate or phosphate.Type: GrantFiled: February 17, 2006Date of Patent: October 20, 2009Assignee: Dai-Ichi Kogyo Seiyaku Co., LtdInventors: Hirofumi Uchimura, Manabu Kikuta