Patents Assigned to Seimi Chemical Co., Ltd.
  • Patent number: 8192711
    Abstract: To provide a process for producing a surface modified lithium-containing composite oxide, which is excellent in discharge capacity, volume capacity density, safety, durability for charge and discharge cycles and an excellent rate property, at a low production cost. The present invention is characterized in that a process for producing a surface modified lithium-containing composite oxide, wherein a lithium titanium composite oxide is contained in the surface layer of particles of a lithium-containing composite oxide represented by the 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?1.3, 0.9?x?2.0, 0?y?0.1, 1.9?z?4.2, and 0?a?0.
    Type: Grant
    Filed: October 27, 2009
    Date of Patent: June 5, 2012
    Assignee: AGC Seimi Chemical Co., Ltd.
    Inventors: Megumi Uchida, Takeshi Kawasato, Remi Hiraki
  • Publication number: 20120132103
    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: Application
    Filed: July 26, 2010
    Publication date: May 31, 2012
    Applicant: AGC Seimi Chemical Co., Ltd.
    Inventors: Katsuyuki Tsugita, Masato Mitsuhashi
  • Publication number: 20120105792
    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: Application
    Filed: May 2, 2011
    Publication date: May 3, 2012
    Applicant: AGC Seimi Chemical Co., Ltd.
    Inventors: Atsushi Kawamata, Tomoyuki Asai, Hidemasa Koh
  • Patent number: 8163198
    Abstract: A process for producing a lithium-containing composite oxide having a large volume capacity density, high safety, excellent durability for charge/discharge cycles, and excellent low temperature characteristics. An oxide of general formula LipNxMyOzFa (wherein N is at least one of Co, Mn or Ni, M is at least one of Al, an alkali earth metal element, a transition metal element other than N, 0.9?p?1.2, 0.97?x?1.00, 0?y?0.03, 1.9?z?2.2, x+y=1 and 0?a?0.02) can be produced.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: April 24, 2012
    Assignee: AGC Seimi Chemical Co., Ltd.
    Inventors: Naoshi Saito, Takeshi Kawasato, Tokumitsu Kato, Kazushige Horichi
  • Publication number: 20120059137
    Abstract: Provided is a monodisperse polymer of chloromethylstyrene as a bifunctional compound. Chloromethylstyrene is purified to a purity of at least 99% and polymerized preferably using a RAFT reagent.
    Type: Application
    Filed: May 10, 2010
    Publication date: March 8, 2012
    Applicant: AGC SEIMI CHEMICAL CO., LTD.
    Inventors: Riina Kambara, Hideharu Mori, Takeshi Endo, Shigeaki Yonemori
  • Publication number: 20120050661
    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: Application
    Filed: May 2, 2011
    Publication date: March 1, 2012
    Applicant: AGC Seimi Chemical Co., Ltd.
    Inventors: Atsushi KAWAMATA, Tomoyuki Asai, Hidemasa Koh
  • Patent number: 8101300
    Abstract: A cathode active material for a non-aqueous electrolyte secondary battery comprises a lithium-containing composite oxide powder, which is represented by the formula LipNxMyOzFa wherein N is at least one element selected from the group consisting of Co, Mn and Ni, M is zirconium and optionally at least one element selected from the group consisting of Al, alkaline earth metal elements and transition metal elements other than the element N, 0.9?p?1.1, 0.965?x?1.00, 0?y?0.035, 1.9?z?2.1, x+y=1 and 0?a?0.02, an atomic ratio of zirconium/the element N is in a range of at least 1.0 to 4.0. A method to produce the cathode active material is provided.
    Type: Grant
    Filed: March 13, 2008
    Date of Patent: January 24, 2012
    Assignee: AGC Seimi Chemical Co., Ltd.
    Inventors: Yukio Jitsugiri, Yukiko Amagasaki, Takeshi Kawasato, Naoshi Saito, Tokumitsu Kato, Yukimitsu Wakasugi
  • Patent number: 8101143
    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 LipNxMmOzFa (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, 0.9?x<1.00, 0<m?0.03, 1.9?z?2.2, x+m=1 and 0?a?0.02), which comprises using as an M element source a solution comprising a complex containing the M element dissolved in an organic solvent.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: January 24, 2012
    Assignee: Seimi Chemical Co., Ltd.
    Inventors: Takeshi Kawasato, Megumi Uchida, Toshiaki Abe, Naoshi Saito, Manabu Suhara
  • Publication number: 20110287321
    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: Application
    Filed: August 3, 2011
    Publication date: November 24, 2011
    Applicant: AGC Seimi Chemical Co., Ltd.
    Inventors: Remi HIRAKI, Takeshi Kawasato
  • Publication number: 20110268894
    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: Application
    Filed: December 22, 2009
    Publication date: November 3, 2011
    Applicant: AGC Seimi Chemical Co., Ltd.
    Inventors: Tomoko Yaguchi, Tomoyuki Asai, Hidemasa Koh
  • Patent number: 8030213
    Abstract: To provide a polishing technique with which in production of a semiconductor integrated circuit device, when a plane to be polished is polished, an appropriate polishing rate ratio of a polysilicon film to another material can be obtained, whereby high level planarization of a plane to be polished including a polysilicon film can be realized. A polishing compound for chemical mechanical polishing, containing cerium oxide particles, a water-soluble polyamine and water and having a pH within a range of from 10 to 13, is used.
    Type: Grant
    Filed: September 17, 2007
    Date of Patent: October 4, 2011
    Assignees: Asahi Glass Company, Limited, AGC Seimi Chemical Co., Ltd.
    Inventors: Iori Yoshida, Yoshinori Kon
  • Patent number: 8021785
    Abstract: Provided are a cathode active material with high safety, with high discharge capacity even at high operating voltage, and with excellent cyclic charge and discharge properties, its production method and a non-aqueous electrolyte secondary battery containing the cathode active material. The cathode active material for a non-aqueous electrolyte secondary battery comprises a surface-modified lithium-containing composite oxide particle, wherein the particle is a lithium-containing composite oxide particle represented by the general formula LipNxO2 (wherein N?NiyM1-y-zLz, M contains at least one element selected from Co and Mn, L is an element selected from alkaline earth metal elements, aluminum and transition metal elements other than Ni, Co and Mn, 0.9?p?1.1, 0.9?x<1.1, 0.2?y?0.9, and 0?z?0.3), and a surface layer of the particle contains aluminum, said surface layer within 5 nm having an aluminum content of at least 0.8 as an atomic ratio to a total of Ni and the element M.
    Type: Grant
    Filed: April 10, 2008
    Date of Patent: September 20, 2011
    Assignee: AGC Seimi Chemical Co., Ltd.
    Inventors: Yukimitsu Wakasugi, Takeshi Kawasato, Yukiko Amagasaki, Nozomi Honda
  • Patent number: 7981547
    Abstract: A positive electrode active material for a lithium secondary battery containing a lithium-cobalt composite oxide is produced by firing, as a cobalt source, a mixture of substantially spherical cobalt hydroxide or tricobalt tetraoxide having such a sharp particle size distribution that the average particle size D50 is from 7 to 20 ?m, and cobalt oxyhydroxide having an average particle size of secondary particles formed by agglomeration of primary particles of from 7 to 20 ?m, in a proportion of from 5:1 to 1:5 as the cobalt atomic ratio, at a temperature of from 700° C. to 1050° C. in an oxygen-comprising atmosphere.
    Type: Grant
    Filed: August 3, 2010
    Date of Patent: July 19, 2011
    Assignee: Seimi Chemical Co., Ltd.
    Inventors: Manabu Suhara, Naoshi Saito, Kazushige Horichi, Megumi Uchida
  • Publication number: 20110033749
    Abstract: To provide a process for producing a surface modified lithium-containing composite oxide, which is excellent in discharge capacity, volume capacity density, safety, durability for charge and discharge cycles and an excellent rate property, at a low production cost. The present invention is characterized in that a process for producing a surface modified lithium-containing composite oxide, wherein a lithium titanium composite oxide is contained in the surface layer of particles of a lithium-containing composite oxide represented by the 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?1.3, 0.9?x?2.0, 0?y?0.1, 1.9?z?4.2, and 0?a?0.
    Type: Application
    Filed: October 27, 2009
    Publication date: February 10, 2011
    Applicant: AGC Seimi Chemical Co., Ltd.
    Inventors: Megumi UCHIDA, Takeshi KAWASATO, Remi HIRAKI
  • Publication number: 20110008965
    Abstract: To provide a polishing composition which has a high removal rate and enables to suppress occurrence of dishing and erosion, in polishing of a surface to be polished in the production of a semiconductor integrated circuit device. A chemical mechanical polishing composition for polishing a surface to be polished of a semiconductor integrated circuit device comprises (A) fine oxide particles, (B) pullulan, and (C) water. The polishing composition further contains (D) an oxidizing agent, and (E) a compound represented by the formula 1: wherein R is a hydrogen atom, a C1-4 alkyl group, a C1-4 alkoxy group or a carboxylic acid group.
    Type: Application
    Filed: August 20, 2010
    Publication date: January 13, 2011
    Applicants: ASAHI GLASS COMPANY LIMITED, Seimi Chemical Co., Ltd.
    Inventors: Satoshi Takemiya, Sachie Shinmaru
  • Publication number: 20100323522
    Abstract: To provide a polishing composition which has a high removal rate and enables to suppress occurrence of dishing and erosion, in polishing of a surface to be polished in the production of a semiconductor integrated circuit device. A chemical mechanical polishing composition for polishing a surface to be polished of a semiconductor integrated circuit device comprises (A) fine oxide particles, (B) pullulan, and (C) water. The polishing composition further contains (D) an oxidizing agent, and (E) a compound represented by the formula 1: wherein R is a hydrogen atom, a C1-4 alkyl group, a C1-4 alkoxy group or a carboxylic acid group.
    Type: Application
    Filed: August 20, 2010
    Publication date: December 23, 2010
    Applicants: ASAHI GLASS COMPANY LIMITED, Seimi Chemical Co., Ltd.
    Inventors: Satoshi Takemiya, Sachie Shinmaru
  • Patent number: 7854777
    Abstract: A heterocyclic benzene compound such as benzotriazole, is dissolved in at least one substance selected from the group consisting of a primary alcohol having from 1 to 4 carbon atoms, a glycol having from 2 to 4 carbon atoms, an ether represented by the Formula 2 (wherein m is an integer of from 1 to 4), N-methyl-2-pyrrolidone, N,N-dimethylformamide, dimethyl sulfoxide, ?-butyrolactone and propylene carbonate, and an aqueous dispersion of fine oxide particles which constitute abrasive grains is mixed therewith, whereby a polishing compound is obtained. By use of this polishing compound in polishing a substrate provided with an insulating film 2 on which a wiring metal film 4 and a barrier film 3 are formed, the formation of an embedded wiring 5 is made possible with low dishing, low erosion and low scratching at a high removal rate.
    Type: Grant
    Filed: April 26, 2004
    Date of Patent: December 21, 2010
    Assignees: Asahi Glass Company, Limited, Seimi Chemical Co., Ltd.
    Inventors: Satoshi Takemiya, Norihito Nakazawa, Yoshinori Kon
  • Patent number: 7842268
    Abstract: To provide a cathode active material for a lithium secondary battery, which is low in gas generation and has high safety and excellent durability for charge and discharge cycles even at a high charge voltage. A process for producing a lithium-containing composite oxide represented by the formula LipLqNxMyOzFa (wherein L is at least one element selected from the group of B and P, 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?1.1, 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.
    Type: Grant
    Filed: August 14, 2007
    Date of Patent: November 30, 2010
    Assignee: AGC Seimi Chemical Co., Ltd.
    Inventors: Takeshi Kawasato, Tokumitsu Kato, Megumi Uchida, Naoshi Saito, Manabu Suhara
  • Publication number: 20100294985
    Abstract: A positive electrode active material for a lithium secondary battery containing a lithium-cobalt composite oxide, which has a large volume capacity density, has a high safety and is excellent in charge and discharge cyclic durability, and its production process, are provided. A lithium-cobalt composite oxide represented by the formula LipCoxMyOzFa (wherein M is a transition metal element other than Co or an alkaline earth metal element, 0.9?p?1.1, 0.980?x?1.000, 0?y?0.02, 1.9?z?2.1, x+y=1 and 0?a?0.
    Type: Application
    Filed: August 3, 2010
    Publication date: November 25, 2010
    Applicant: Seimi Chemical Co., Ltd.
    Inventors: Manabu Suhara, Naoshi Saito, Kazushige Horichi, Megumi Uchida
  • Patent number: 7824803
    Abstract: A positive electrode active material is produced by firing, as a cobalt source, a mixture of a) substantially spherical large particle size cobalt hydroxide or tricobalt tetraoxide having a sharp particle size distribution, and b) small particle size cobalt hydroxide or tricobalt tetraoxide, in a proportion of from 9:1 to 1:2 as the cobalt atomic ratio, at a temperature of from 700° C. to 1050° C. in an oxygen-comprising atmosphere.
    Type: Grant
    Filed: July 18, 2008
    Date of Patent: November 2, 2010
    Assignee: Seimi Chemical Co., Ltd.
    Inventors: Manabu Suhara, Naoshi Saito, Kazushige Horichi, Megumi Uchida