Patents Assigned to Seimi Chemical Co., Ltd.
  • Patent number: 10064803
    Abstract: The purpose of the present invention is to provide: a copolymer for cosmetics, which has excellent water repellency and oil repellency even though a polyfluoroalkyl group therein has 6 or less carbon atoms; a surface treatment agent which contains the copolymer for cosmetics; a powder for cosmetics, which is treated with the surface treatment agent and has excellent water repellency and oil repellency; and a cosmetic preparation which contains the powder for cosmetics. A copolymer for cosmetics of the present invention contains: 70-90% by mass of a constituent unit (A) that is derived from a compound represented by formula (a); 2-25% by mass of a constituent unit (B) that is derived from a compound represented by formula (b); 2-25% by mass of a constituent unit (C) that is derived from a compound represented by formula (c); 0.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: September 4, 2018
    Assignee: AGC SEIMI CHEMICAL CO., LTD.
    Inventor: Fusae Ishiwata
  • Patent number: 9570754
    Abstract: To provide an NiO-GDC composite powder or NiO-SDC composite powder having a uniform composition, which is suitable as an anode material for a solid oxide fuel cell. A process for producing an anode material for a solid oxide fuel cell, made of a composite powder comprising a composite oxide containing cerium element and gadolinium or samarium element, and oxygen element, and an oxide containing nickel element and oxygen element, which comprises a dissolving step of mixing raw material compounds containing metal elements constituting the above composite powder, at least one organic acid selected from the group consisting of maleic acid, lactic acid and malic acid, and a solvent to obtain a metal elements-containing solution, and a drying/sintering step of drying and sintering the metal elements-containing solution.
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: February 14, 2017
    Assignee: AGC SEIMI CHEMICAL CO., LTD.
    Inventors: Futoshi Nada, Takene Hirai
  • Patent number: 9412486
    Abstract: To provide a composite oxide powder for a solid oxide fuel cell containing lanthanum, strontium and/or calcium, manganese and oxygen and having a highly uniform composition, and its production method. A composite oxide powder containing lanthanum, strontium and/or calcium, manganese and oxygen, wherein the coefficient of variation (?) of lanthanum is at most 6.0% and the coefficient of variation (?) of manganese is at most 13.0%, as calculated from the peak area ratio of the L? ray of lanthanum and the K? ray of manganese measured by an energy dispersive X-ray spectrometer attached to a scanning electron microscope.
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: August 9, 2016
    Assignee: AGC SEIMI CHEMICAL CO., LTD.
    Inventors: Futoshi Nada, Takene Hirai
  • Patent number: 9379391
    Abstract: To provide an air electrode material powder for a solid oxide fuel cell, comprising a novel LSCF powder having a highly uniform composition suitable as an air electrode material for a solid oxide fuel cell, and its production process. A composite oxide having a perovskite structure and containing lanthanum, strontium, cobalt, iron and oxide, wherein the dispersion point determined by the peak intensity [La] of the L?1 characteristic X-ray of lanthanum and the peak intensity [Sr] of the L?1 characteristic X-ray of strontium as obtained by EPMA measurement, is present within a range of the formula (1) and the dispersion point determined by the peak intensity [Co] of the K?1 characteristic X-ray of cobalt and the peak intensity [Fe] of the K?1 characteristic X-ray of iron is present within a range of the formula (2): a[La]?150?[Sr]?a[La]+150??(1) b[Co]?300?[Fe]?b[Co]+300??(2) wherein 0.2?a?1.0 and 0.1?b?4.0.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: June 28, 2016
    Assignee: AGC SEIMI CHEMICAL CO., LTD.
    Inventors: Futoshi Nada, Michinori Suehara, Takanori Ito, Takene Hirai
  • Publication number: 20150162621
    Abstract: To provide an air electrode material powder for a solid oxide fuel cell, comprising a novel LSCF powder having a highly uniform composition suitable as an air electrode material for a solid oxide fuel cell, and its production process. A composite oxide having a perovskite structure and containing lanthanum, strontium, cobalt, iron and oxide, wherein the dispersion point determined by the peak intensity [La] of the L?1 characteristic X-ray of lanthanum and the peak intensity [Sr] of the L?1 characteristic X-ray of strontium as obtained by EPMA measurement, is present within a range of the formula (1) and the dispersion point determined by the peak intensity [Co] of the K?1 characteristic X-ray of cobalt and the peak intensity [Fe] of the K?1 characteristic X-ray of iron is present within a range of the formula (2): a[La]?150?[Sr]?a[La]+150 ??(1) b[Co]?300?[Fe]?b[Co]+300 ??(2) wherein 0.2?a?1.0 and 0.1?b?4.0.
    Type: Application
    Filed: February 20, 2013
    Publication date: June 11, 2015
    Applicant: AGC SEIMI CHEMICAL CO., LTD
    Inventors: Futoshi Nada, Michinori Suehara, Takanori Ito, Takene Hirai
  • Publication number: 20150140475
    Abstract: To provide an NiO-GDC composite powder or NiO-SDC composite powder having a uniform composition, which is suitable as an anode material for a solid oxide fuel cell. A process for producing an anode material for a solid oxide fuel cell, made of a composite powder comprising a composite oxide containing cerium element and gadolinium or samarium element, and oxygen element, and an oxide containing nickel element and oxygen element, which comprises a dissolving step of mixing raw material compounds containing metal elements constituting the above composite powder, at least one organic acid selected from the group consisting of maleic acid, lactic acid and malic acid, and a solvent to obtain a metal elements-containing solution, and a drying/sintering step of drying and sintering the metal elements-containing solution.
    Type: Application
    Filed: January 28, 2015
    Publication date: May 21, 2015
    Applicant: AGC SEIMI CHEMICAL CO., LTD.
    Inventors: Futoshi NADA, Takene Hirai
  • Patent number: 9000110
    Abstract: A compound represented by the following formula (a): CH2?CR1—CONJ-CGR2—(CH2)n—COO-Q1-Rf1??(a) is provided. This compound is capable of forming a polymer having an oil repellency equivalent to polymers containing a polyfluoroalkyl group containing at least 8 carbon atoms, although the polyfluoroalkyl group contains up to 6 carbon atoms. In the formula, R1 is hydrogen atom or methyl group, R2 is hydrogen atom or a group represented by —(CH2)m—COO-Q2-Rf2 (r), n and m are independently an integer of 0 to 4, Rf1 and Rf2 are independently a polyfluoroalkyl group or a polyfluoroether group containing 1 to 6 carbon atoms, Q1 and Q2 are independently single bond or a divalent linkage group, J is hydrogen atom or an alkyl group containing 1 to 3 carbon atoms, and G is hydrogen atom or an alkyl group containing 1 to 3 carbon atoms.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: April 7, 2015
    Assignee: AGC Seimi Chemical Co., Ltd.
    Inventors: Fusae Ishiwata, Ryo Hirabayashi, Hirotaka Shimizu
  • Publication number: 20150056511
    Abstract: To provide a cathode active material for a lithium ion secondary battery, which has high packing properties and high volume capacity density, and a method for its production.
    Type: Application
    Filed: November 5, 2014
    Publication date: February 26, 2015
    Applicant: AGC SEIMI CHEMICAL CO., LTD.
    Inventors: Satoshi TAKAMATSU, Yukimitsu WAKASUGI, Megumi UCHIDA
  • Publication number: 20150053898
    Abstract: To provide a composite oxide powder for a solid oxide fuel cell containing lanthanum, strontium and/or calcium, manganese and oxygen and having a highly uniform composition, and its production method. A composite oxide powder containing lanthanum, strontium and/or calcium, manganese and oxygen, wherein the coefficient of variation (?) of lanthanum is at most 6.0% and the coefficient of variation (?) of manganese is at most 13.0%, as calculated from the peak area ratio of the L? ray of lanthanum and the K? ray of manganese measured by an energy dispersive X-ray spectrometer attached to a scanning electron microscope.
    Type: Application
    Filed: July 22, 2014
    Publication date: February 26, 2015
    Applicant: AGC SEIMI CHEMICAL CO., LTD.
    Inventors: Futoshi NADA, Takene HIRAI
  • Patent number: 8883352
    Abstract: To provide a surface modified lithium-containing composite oxide having excellent discharge capacity, volume capacity density, safety, durability for charge and discharge cycles, and high rate property. A surface modified lithium-containing composite oxide, comprising particles of a lithium-containing composite oxide having a predetermined composition and a lithium titanium composite oxide containing lithium, titanium and element Q (wherein Q is at least one element selected from the group consisting of B, Al, Sc, Y and In) contained in the surface layer of the particles, wherein the lithium titanium composite oxide is contained in the surface layer of the particles in a proportion of the total amount of titanium and element Q in the lithium titanium composite oxide contained in the surface layer to the lithium-containing composite oxide particles is from 0.01 to 2 mol %, and the lithium titanium composite oxide has a peak at a diffraction angle 2? within a range of 43.8±0.
    Type: Grant
    Filed: August 3, 2011
    Date of Patent: November 11, 2014
    Assignee: AGC Seimi Chemical Co., Ltd.
    Inventors: Remi Hiraki, Takeshi Kawasato
  • Publication number: 20140228450
    Abstract: The purpose of the present invention is to provide: a copolymer for cosmetics, which has excellent water repellency and oil repellency even though a polyfluoroalkyl group therein has 6 or less carbon atoms; a surface treatment agent which contains the copolymer for cosmetics; a powder for cosmetics, which is treated with the surface treatment agent and has excellent water repellency and oil repellency; and a cosmetic preparation which contains the powder for cosmetics. A copolymer for cosmetics of the present invention contains: 70-90% by mass of a constituent unit (A) that is derived from a compound represented by formula (a); 2-25% by mass of a constituent unit (B) that is derived from a compound represented by formula (b); 2-25% by mass of a constituent unit (C) that is derived from a compound represented by formula (c); 0.
    Type: Application
    Filed: August 22, 2012
    Publication date: August 14, 2014
    Applicant: AGC SEIMI CHEMICAL CO., LTD.
    Inventor: Fusae Ishiwata
  • Patent number: 8795896
    Abstract: A lithium/nickel/cobalt/manganese-containing composite oxide powder represented by the formula LipNixCoyMnzMqO2-aFa (wherein M is at least one element selected from the group consisting of Al, Ge, Sn, alkaline earth metal elements and transition metal elements other than Co, Mn and Ni, 0.9?p?1.1, 0.2?x?0.5, 0.2?y?0.5, 0.1?z?0.4, 0?q?0.5, 1.9?a?2.1, p+x+y+z+q=2, and 0?a?0.02), characterized in that when the powder is classified into small particle size-classified particles with an average particle size 2 ?m?D50?8 ?m and large particle size-classified particles with an average particle size of 10 ?m?D50?75 ?m, the ratio of (% by weight of the small particle size-classified particles)/(% by weight of the large particle size-classified particles) is from 15/85 to 40/60.
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: August 5, 2014
    Assignee: AGC Seimi Chemical Co., Ltd.
    Inventors: Takeshi Kawasato, Takuya Mihara, Koichiro Ueda, Yukimitsu Wakasugi, Nozomi Honda
  • Patent number: 8574455
    Abstract: A liquid crystal compound, a liquid crystal composition, and a liquid crystal electric optical device having a low rotational viscosity (?1) and appropriate elastic constants. A fluorine-containing liquid crystal compound represented by formula (1). R1-(A1-Z1)a-(A2-Z2)b-(A3-Z3)c-A4-(CH2)n-CF?CF—R2 (1), R1 is a hydrogen atom, a halogen atom, or an alkyl group, R2 is a halogen atom or an alkyl group that may be halogen-substituted or which may include a (thio)ether group, A1 to A4 may be a phenylene group or a cyclohexylene group that may be halogen-substituted or which may include a (thio)ether group, Z1 to Z3 are a single bond, —O—, —S—, or a divalent aliphatic hydrocarbon group that may be halogen-substituted or which may include a (thio)ether group. n is an integer from 0 to 3, and a, b, and c are 0 or 1, provided that a+b+c is 1 or greater.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: November 5, 2013
    Assignee: AGC Seimi Chemical Co., Ltd.
    Inventors: Tomoko Yaguchi, Tomoyuki Asai, Hidemasa Koh
  • Patent number: 8563769
    Abstract: A fluorine-containing compound exhibiting excellent surface tension-reducing ability despite the absence of perfluoroalkyl group having a chain length of 8 or more which had been the cause of the PFOS and PFOA problems and use of a fluorine material with low environmental load is provided. Also provided are a fluorine-containing surfactant and a composition thereof, an aqueous resin emulsion and a floor polish composition containing such surfactant. The fluorine-containing compound is represented by the following formula (1): Rf1—CpH2p—CH(OH)—CqH2q—NR—CrH2r—(O)n—SO3M (1) wherein Rf1 is a C1-6 perfluoroalkyl group, p, q, and r are independently an integer of 1 to 6, M is a cationic atom or atomic group, n is 0 or 1, R is hydrogen atom, a C1-12 alkyl group, or a group represented by the following formula (2): Rf2—CsH2s—CH(OH)—CtH2t—??(2) wherein Rf2 is a C1-6 perfluoroalkyl group, and s and t are independently an integer of 1 to 6.
    Type: Grant
    Filed: July 26, 2010
    Date of Patent: October 22, 2013
    Assignee: AGC Seimi Chemical Co., Ltd.
    Inventors: Katsuyuki Tsugita, Masato Mitsuhashi
  • Patent number: 8551658
    Abstract: To provide a process for a lithium-containing composite oxide for a positive electrode for a lithium secondary battery, which has a large volume capacity density and high safety, and is excellent in the charge and discharge cyclic durability and low temperature characteristics. A process for producing a lithium-containing composite oxide represented by the formula LipNxMyOzFa (wherein N is at least one element selected from the group consisting of Co, Mn and Ni, M is at least one element selected from the group consisting of Al, alkaline earth metal elements and transition metal elements other than N, 0.9?p?1.2, 0.95?x?2.00, 0<y?0.05, 1.9?z?4.2 and 0?a?0.
    Type: Grant
    Filed: July 25, 2007
    Date of Patent: October 8, 2013
    Assignee: AGC Seimi Chemical Co., Ltd.
    Inventors: Ryoji Yamada, Koji Tatsumi, Shogo Nakaoka, Kenji Ito, Kazuya Hiratsuka
  • Patent number: 8287828
    Abstract: A process for producing a lithium-containing composite oxide for a positive electrode active material for use in a lithium secondary battery, the oxide having the formula LipQqNxMyOzFa (wherein Q is at least one element selected from the group consisting of titanium, zirconium, niobium and tantalum, N is at least one element selected from the group consisting of Co, Mn and Ni, M is at least one element selected from the group consisting of Al, alkaline earth metal elements and transition metal elements other than Q and N, 0.9?p?1.1, 0?q<0.03, 0.97?x?1.00, 0?y<0.03, 1.9?z?2.1, q+x+y=1 and 0?a?0.02), which comprises firing a mixture of a lithium, Q element source and N element sources, and an M element source and/or fluorine source when these elements are present, in an oxygen-containing atmosphere, wherein the Q element source is a Q element compound aqueous solution having a pH of from 0.5 to 11.
    Type: Grant
    Filed: March 10, 2006
    Date of Patent: October 16, 2012
    Assignee: AGC Seimi Chemical Co., Ltd.
    Inventors: Takeshi Kawasato, Naoshi Saito, Megumi Uchida, Kazushige Horichi, Koji Tatsumi, Kunihiko Terase, Manabu Suhara
  • Patent number: 8283001
    Abstract: Disclosed is a liquid crystal composition suitable for producing a liquid crystal electrooptical element which can be driven at a low voltage in a wide temperature range and has high display quality. Also disclosed is a liquid crystal electrooptical element produced by using the liquid crystal composition. Further disclosed is a liquid crystal compound useful in preparing this composition.
    Type: Grant
    Filed: May 2, 2011
    Date of Patent: October 9, 2012
    Assignee: AGC Seimi Chemical Co., Ltd.
    Inventors: Atsushi Kawamata, Tomoyuki Asai, Hidemasa Koh
  • Patent number: 8273420
    Abstract: Disclosed is a liquid crystal composition suitable for producing a liquid crystal electrooptical element which can be driven at a low voltage in a wide temperature range and has high display quality. Also disclosed is a liquid crystal electrooptical element produced by using the liquid crystal composition. Further disclosed is a liquid crystal compound represented by the formula [R1-(A1)a-Z1-(A2)b-Z2-(A7)e-Z5-A3-CF?CFCF2O-A4-Z3-(A5)c-Z4-(A6)d-R2].
    Type: Grant
    Filed: May 2, 2011
    Date of Patent: September 25, 2012
    Assignee: AGC Seimi Chemical Co., Ltd.
    Inventors: Atsushi Kawamata, Tomoyuki Asai, Hidemasa Koh
  • Publication number: 20120149860
    Abstract: A compound represented by the following formula (a): CH2?CR1—CONJ-CKR2—(CH2)n—COO-Q1-Rf1??(a) is provided. This compound is capable of forming a polymer having an oil repellency equivalent to polymers containing a polyfluoroalkyl group containing at least 8 carbon atoms, although the polyfluoroalkyl group contains up to 6 carbon atoms. In the formula, R1 is hydrogen atom or methyl group, R2 is hydrogen atom or a group represented by —(CH2)m—COO-Q2-Rf2 (r), n and m are independently an integer of 0 to 4, Rf1 and Rf2 are independently a polyfluoroalkyl group or a polyfluoroether group containing 1 to 6 carbon atoms, Q1 and Q2 are independently single bond or a divalent linkage group, J is hydrogen atom or an alkyl group containing 1 to 3 carbon atoms, K is hydrogen atom or an alkyl group containing 1 to 3 carbon atoms, and j and k are independently single bond or an alkylene group containing 1 to 3 carbon atoms with the proviso that j and k are not simultaneously single bond.
    Type: Application
    Filed: August 17, 2010
    Publication date: June 14, 2012
    Applicant: AGC SEIMI CHEMICAL CO.,LTD.
    Inventors: Fusae Ishiwata, Ryo Hirabayashi, Hirotaka Shimizu
  • Patent number: 8192715
    Abstract: The present invention provides a lithium-containing composite oxide for a positive electrode for a lithium secondary battery, which has a large volume capacity density and high safety, and excellent durability for charge and discharge cycles and charge and discharge rate property, and its production method. The lithium-containing composite oxide is represented by the general formula LipNxMyOzFa (where N is at least one element selected from the group consisting of Co, Mn and Ni, M is at least one element selected from the group consisting of Al, Sn, alkaline earth metal elements and transition metal elements other than Co, Mn and Ni, 0.9?p?1.2, 0.965?x<2.00, 0<y?0.035, 1.9?z?4.2, and 0?a?0.
    Type: Grant
    Filed: February 10, 2009
    Date of Patent: June 5, 2012
    Assignee: AGC Seimi Chemical Co., Ltd.
    Inventors: Takeshi Kawasato, Kazushige Horichi, Megumi Uchida, Takuya Mihara, Naoshi Saito