Patents Assigned to Nippon Chemical Industrial Co., Ltd.
  • Patent number: 10280086
    Abstract: The present application provides a negative thermal expansion material having excellent dispersibility and packing properties in a positive thermal expansion material. The negative thermal expansion material of the present invention comprises spherical zirconium tungsten phosphate having a BET specific surface area, of 2 m2/g or smaller. The degree of sphericity is preferably 0.90 or more and 1 or less. Also preferably, the negative thermal expansion material further contains at least Mg and/or V as a subcomponent element. Also preferably, the content of the subcomponent element is 0.1% by mass or more and 3% by mass or less. Also preferably, the average particle size is 1 ?m or larger and 50 ?m smaller.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: May 7, 2019
    Assignee: NIPPON CHEMICAL INDUSTRIAL CO., LTD.
    Inventors: Junya Fukazawa, Toru Hata
  • Patent number: 10224473
    Abstract: There is provided a thermoelectric conversion material which is characterized by being composed of a sintered body of plate-like crystals of a composite oxide represented by general formula (2) BifCagM3hCoiM4jOk, and by having a density of 4.0-5.1 g/cm3. This thermoelectric conversion material is also characterized in that: when observed by SEM, the ratio of the plate-like crystals of a composite oxide represented by general formula (2) having an inclination in the major axis direction within 0±20° relative to the surface of the thermoelectric conversion material is 60% or more on the number basis; the average length of the lengths of the plate-like crystals of a composite oxide represented by general formula (2) is 20 ?m or more; and the aspect ratio of the plate-like crystals of a composite oxide represented by general formula (2) is 20 or more.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: March 5, 2019
    Assignee: NIPPON CHEMICAL INDUSTRIAL CO., LTD.
    Inventors: Kazuya Taga, Ryota Satomura, Yasuhiro Nakaoka
  • Patent number: 10167197
    Abstract: It is intended to provide an industrially advantageous method for obtaining zirconium tungsten phosphate that is useful as a negative thermal expansion material and exhibits a single phase in X-ray diffraction. The method for producing zirconium tungsten phosphate according to the present invention comprises using a mixture of a tungsten compound and an amorphous compound containing phosphorus and zirconium as a reaction precursor and calcining the reaction precursor. Preferably, the reaction precursor has an infrared absorption peak at least at 950 to 1150 cm?1, and the maximum value of the infrared absorption peak in this range appears at 1030 (±20) cm?1.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: January 1, 2019
    Assignee: NIPPON CHEMICAL INDUSTRIAL CO., LTD.
    Inventor: Junya Fukazawa
  • Publication number: 20180366729
    Abstract: An electric storage device is provided with a positive electrode having a positive-electrode mixture layer including a positive-electrode active material. The positive-electrode active material includes a lithium-vanadium-phosphate from 8% to 70% by mass and a lithium-nickel complex oxide from 20% to 82% by mass. A coating concentration of the positive-electrode mixture layer is from 4 mg/cm2 to 20 mg/cm2. The lithium-nickel complex oxide includes a nickel element from 0.3 mol to 0.8 mol with respect to a lithium element of 1 mol.
    Type: Application
    Filed: August 16, 2018
    Publication date: December 20, 2018
    Applicant: NIPPON CHEMICAL INDUSTRIAL CO., LTD.
    Inventors: Hideo Yanagita, Kazuki Takimoto, Takahito Sakuraba, Ken Baba, Yasuyuki Kiya, Tsutomu Kikuchi
  • Publication number: 20180366646
    Abstract: An additive for a light-emitting layer contains a compound represented by formula (1): where X is P, C, or S; A is a cyclic hydrocarbon group that may have H, a direct bond, a chain hydrocarbon group, or a heteroatom; R is H or an alkyl group, and a plurality of R may link together to form a ring, and if said ring is formed, at least one R is an alkyl group; m is 0 or 1; r is 1 when X is a phosphorous atom or a carbon atom and 2 when X is a sulfur atom; n is a number represented by 3-m when X is a phosphorous atom, and a number represented by 2-m if X is a carbon atom or a sulfur atom; and p is 1 when m is 0, at least 1 when m is 1, and is a substitutable number in A.
    Type: Application
    Filed: July 22, 2016
    Publication date: December 20, 2018
    Applicant: Nippon Chemical Industrial Co., Ltd.
    Inventors: Fumihiro Yonekawa, Yohei Mizuguchi
  • Patent number: 10150678
    Abstract: The objective of the present invention is to provide, in an industrially advantageous method, ?-lithium aluminate which has various favorable physical properties as a MCFC electrolyte holding plate with excellent heat stability and chemical stability, even when the ?-lithium aluminate is minute with the BET specific surface area being 10 m2/g or greater. A method for producing ?-lithium aluminate is characterized by mixing hydrated alumina and lithium carbonate in an Al/Li molar ratio of 0.95-1.01 and subjecting the obtained mixture (a) to a first firing reaction to obtain a fired product, and then subjecting a mixture (b) which is the obtained fired product to which an aluminum compound is added to a second firing reaction.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: December 11, 2018
    Assignee: NIPPON CHEMICAL INDUSTRIAL CO., LTD.
    Inventor: Junya Fukazawa
  • Patent number: 10111892
    Abstract: The anti-cancer agent of the present invention contains at least one kind of phosphine transition metal complex selected from a group of compounds represented by the following Formulae (1a) to (1d). According to this anti-cancer agent, an anti-cancer agent is provided which has a higher anti-cancer activity and lower toxicity compared to anti-cancer agents in the related art. In Formulae (1a), (1b), (1c), and (1d), R1 and R2 represent a linear or branched alkyl group, and R1 has a higher priority than R2 as ranked according to RS notation. R3 and R4 represent a hydrogen atom or a linear or branched alkyl group. M represents an atom of a transition metal selected from a group consisting of gold, copper, and silver. X? represents an anion.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: October 30, 2018
    Assignee: Nippon Chemical Industrial Co., Ltd.
    Inventors: Nobuhiko Oohara, Kazuhiro Nakatsui
  • Publication number: 20180301653
    Abstract: A light-emitting electrochemical cell has a light-emitting layer and electrodes and disposed on the respective surface thereof. The light-emitting layer includes an organic polymeric light-emitting material and an ionic compound represented by the general formula (1). The ring A1 denotes an aromatic ring; X is S, C or P; R1 denotes R? or OR?, and R? denotes an alkyl group; n denotes 0 or 1; B denotes O, OR2 or A2, R2 denotes a saturated hydrocarbon group, and A2 denotes an aromatic ring; the bond a is a single bond or a double bond; the bond a between B and X is a double bond and B is O; when X is P, the bond a between B and X is a single bond and B is OR2 or A2; d is 1 or more; and Y+ denotes a cation.
    Type: Application
    Filed: November 8, 2016
    Publication date: October 18, 2018
    Applicant: Nippon Chemical Industrial Co., Ltd.
    Inventors: Fumihiro Yonekawa, Yohei Mizuguchi
  • Publication number: 20180265358
    Abstract: It is intended to provide an industrially advantageous method for obtaining zirconium tungsten phosphate that is useful as a negative thermal expansion material and exhibits a single phase in X-ray diffraction. The method for producing zirconium tungsten phosphate according to the present invention comprises using a mixture of a tungsten compound and an amorphous compound containing phosphorus and zirconium as a reaction precursor and calcining the reaction precursor. Preferably, the reaction precursor has an infrared absorption peak at least at 950 to 1150 cm?1, and the maximum value of the infrared absorption peak in this range appears at 1030 (±20) cm?1.
    Type: Application
    Filed: October 4, 2016
    Publication date: September 20, 2018
    Applicant: Nippon Chemical Industrial Co., Ltd.
    Inventor: Junya Fukazawa
  • Publication number: 20180251376
    Abstract: The present application provides a negative thermal expansion material having excellent dispersibility and packing properties in a positive thermal expansion material. The negative thermal expansion material of the present invention comprises spherical zirconium tungsten phosphate having a BET specific surface area of 2 m2/g or smaller. The degree of sphericity is preferably 0.90 or more and 1 or less. Also preferably, the negative thermal expansion material further contains at least Mg and/or V as a subcomponent element. Also preferably, the content of the subcomponent element is 0.1% by mass or more and 3% by mass or less. Also preferably, the average particle size is 1 ?m or larger and 50 ?m smaller.
    Type: Application
    Filed: October 4, 2016
    Publication date: September 6, 2018
    Applicant: Nippon Chemical Industrial Co., Ltd.
    Inventors: Junya Fukazawa, Toru Hata
  • Patent number: 9935270
    Abstract: A light-emitting electrochemical cell 10 includes an emitting layer 12 and electrodes 13 and 14, one on each side of the emitting layer 12. The emitting layer 12 contains a light-emitting material and an ionic compound. The ionic compound has general formula (1), wherein M is N or P; R1, R2, R3, and R4 each independently represent a C1-C20 saturated aliphatic group; and X is preferably an anion having a phosphoric ester bond or a sulfuric ester bond. The light-emitting material is preferably an organic light-emitting polymer, a metal complex, an organic low molecular compound, or a quantum dot.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: April 3, 2018
    Assignees: NIPPON CHEMICAL INDUSTRIAL CO., LTD., WASEDA UNIVERSITY
    Inventors: Fumihiro Yonekawa, Tomo Sakanoue, Taishi Takenobu
  • Publication number: 20180062060
    Abstract: There is provided a thermoelectric conversion material which is characterized by being composed of a sintered body of plate-like crystals of a composite oxide represented by general formula (2) BifCagM3hCoiM4jOk, and by having a density of 4.0-5.1 g/cm3. This thermoelectric conversion material is also characterized in that: when observed by SEM, the ratio of the plate-like crystals of a composite oxide represented by general formula (2) having an inclination in the major axis direction within 0±20° relative to the surface of the thermoelectric conversion material is 60% or more on the number basis; the average length of the lengths of the plate-like crystals of a composite oxide represented by general formula (2) is 20 ?m or more; and the aspect ratio of the plate-like crystals of a composite oxide represented by general formula (2) is 20 or more.
    Type: Application
    Filed: March 15, 2016
    Publication date: March 1, 2018
    Applicant: NIPPON CHEMICAL INDUSTRIAL CO., LTD.
    Inventors: Kazuya Taga, Ryota Satomura, Yasuhiro Nakaoka
  • Publication number: 20180008954
    Abstract: Provided is an adsorbent for removal of iodide ions and iodate ions, which exhibits excellent adsorption performance of iodide ions and iodate ions. An adsorbent according to the present invention comprises cerium(IV) hydroxide and a poorly soluble silver compound. It is preferable that the content of cerium(IV) hydroxide is 50% by mass or more and 99% by mass or less, and the content of the poorly soluble silver compound is 1% by mass or more and 50% by mass or less. It is also preferable that the poorly soluble silver compound is at least one selected from silver zeolite, silver phosphate, silver chloride, and silver carbonate.
    Type: Application
    Filed: January 13, 2016
    Publication date: January 11, 2018
    Applicant: Nippon Chemical Industrial Co., Ltd.
    Inventors: Shinsuke Miyabe, Yutaka Kinose, Kenta Kozasu, Takeshi Sakamoto, Kiyoshi Satou, Kaori Sugihara
  • Publication number: 20170294616
    Abstract: Provided is an electrochemical luminescent cell 10 having a luminescent layer 12 and electrodes 13, 14 provided on each surface of the luminescent layer 12. The luminescent layer 12 comprises an organic polymeric luminescent material and a combination of at least two organic salts. In particular, the luminescent layer preferably comprises a combination of at least two types of ionic liquids represented by formula (1) (wherein R1, R2, R3 and R4 each represent an optionally-substituted alkyl group, alkoxy alkyl group, trialkylsilylalkyl group, alkenyl group, alkynyl group, aryl group or heterocylic group. R1, R2, R3 and R4 may be the same or different. M represents N or P. X? represents an anion.
    Type: Application
    Filed: October 6, 2015
    Publication date: October 12, 2017
    Applicant: NIPPON CHEMICAL INDUSTRIAL CO., LTD.
    Inventor: Fumihiro Yonekawa
  • Publication number: 20170275240
    Abstract: A method for preparing chiral ?-secondary amino alcohol includes: adding into a solvent an acid addition salt of ?-secondary amino ketone represented by general formula (1), an alkali, a metal salt additive and a diphosphine-rhodium complex, so as to carry out a reaction in a hydrogen atmosphere and obtain a chiral ?-secondary amino alcohol compound represented by general formula (2). In general formula (2), Ar represents an aryl group with or without substituent group(s), R represents an alkyl group or an aralkyl group, and HY represents an acid. The synthesis scheme has a simple process, the metal salt additive remarkably improves the effect of a rhodium-catalyzed asymmetric hydrogenation technology, and accordingly, the reaction yield and the optical purity of a product are improved, the production process is simplified, production costs are reduced, and the synthesis scheme is highly suitable for mass industrial production.
    Type: Application
    Filed: September 23, 2015
    Publication date: September 28, 2017
    Applicants: SHANGHAI JIAOTONG UNIVERSITY, NIPPON CHEMICAL INDUSTRIAL CO., LTD.
    Inventors: Wanbin Zhang, Zhenfeng Zhang, Qiupeng Hu
  • Publication number: 20170244038
    Abstract: A light-emitting electrochemical cell 10 includes an emitting layer 12 and electrodes 13 and 14, one on each side of the emitting layer 12. The emitting layer 12 contains a light-emitting material and an ionic compound. The ionic compound has general formula (1), wherein M is N or P; R1, R2, R3, and R4 each independently represent a C1-C20 saturated aliphatic group; and X is preferably an anion having a phosphoric ester bond or a sulfuric ester bond. The light-emitting material is preferably an organic light-emitting polymer, a metal complex, an organic low molecular compound, or a quantum dot.
    Type: Application
    Filed: December 3, 2015
    Publication date: August 24, 2017
    Applicants: NIPPON CHEMICAL INDUSTRIAL CO., LTD., WASEDA UNIVERSITY
    Inventors: Fumihiro Yonekawa, Tomo Sakanoue, Taishi Takenobu
  • Patent number: 9731977
    Abstract: The purpose of the present invention is to provide an industrially advantageous method for producing ?-lithium aluminate which has physical properties that are suitable for use as an electrolyte holding plate of a MCFC having excellent thermal stability, even if the ?-lithium aluminate is a fine material having a BET specific surface area of 10 m2/g or higher in particular. Provided is a method for producing ?-lithium aluminate characterized by subjecting a mixture (a), which is obtained by mixing transitional alumina and lithium carbonate at an Al/Li molar ratio of 0.95-1.01, to a first firing reaction so as to obtain a fired product, and subjecting a mixture (b), which is obtained by adding an aluminum compound to the obtained fired product at quantities whereby the molar ratio of aluminum atoms in the aluminum compound relative to lithium atoms in the fired product (Al/Li) is 0.001-0.05, to a second firing reaction.
    Type: Grant
    Filed: February 5, 2014
    Date of Patent: August 15, 2017
    Assignee: NIPPON CHEMICAL INDUSTRIAL CO., LTD.
    Inventor: Junya Fukazawa
  • Publication number: 20170216813
    Abstract: The invention provides an industrially advantageous method for producing a crystalline silicotitanate having high adsorption/removal capabilities for cesium and strontium in seawater. The method includes a first step of mixing a silicic acid source, a sodium compound, titanium tetrachloride, and water to prepare a mixed gel and a second step of hydrothermal reaction of the mixed gel prepared in the first step to produce crystalline silicotitanate of formula: Na4Ti4Si3O16.nH2O (wherein n represents 0 to 8). In the first step, the silicic acid source, sodium compound, and titanium tetrachloride are mixed in such a mixing ratio that the resulting mixed gel may have a Ti to Si molar ratio, Ti/Si, of 1.2 to 1.5 and an Na2O to SiO2 molar ratio, Na2O/SiO2, of 0.7 to 2.5.
    Type: Application
    Filed: September 30, 2015
    Publication date: August 3, 2017
    Applicant: NIPPON CHEMICAL INDUSTRIAL CO., LTD.
    Inventors: Shinsuke Miyabe, Yutaka Kinose, Kenta Kozasu, Eiji Noguchi, Takeshi Sakamoto
  • Publication number: 20170210633
    Abstract: The objective of the present invention is to provide, in an industrially advantageous method, ?-lithium aluminate which has various favorable physical properties as a MCFC electrolyte holding plate with excellent heat stability and chemical stability, even when the ?-lithium aluminate is minute with the BET specific surface area being 10 m2/g or greater. A method for producing ?-lithium aluminate is characterized by mixing hydrated alumina and lithium carbonate in an Al/Li molar ratio of 0.95-1.01 and subjecting the obtained mixture (a) to a first firing reaction to obtain a fired product, and then subjecting a mixture (b) which is the obtained fired product to which an aluminum compound is added to a second firing reaction.
    Type: Application
    Filed: July 22, 2015
    Publication date: July 27, 2017
    Applicant: NIPPON CHEMICAL INDUSTRIAL CO., LTD.
    Inventor: Junya Fukazawa
  • Patent number: 9675957
    Abstract: There are provided an adsorbent material excellent in the adsorptive removal properties of Cs and Sr also in seawater, and a method for producing a crystalline silicotitanate suitable for the adsorbent material. The adsorbent material according to the present invention comprises: at least one selected from crystalline silicotitanates represented by Na4Ti4Si3O16.nH2O, (NaxK(1-x))4Ti4Si3O16.nH2O and K4Ti4Si3O16.nH2O wherein x represents a number of more than 0 and less than 1 and n represents a number of 0 to 8; and at least one selected from titanate salts represented by Na4Ti9O20.mH2O, (NayK(1-y))4Ti9O20.mH2O and K4Ti9O20.mH2O wherein y represents a number of more than 0 and less than 1 and m represents a number of 0 to 10.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: June 13, 2017
    Assignee: NIPPON CHEMICAL INDUSTRIAL CO., LTD.
    Inventors: Shinsuke Miyabe, Yutaka Kinose, Masahiro Kikuchi, Takeshi Sakamoto