Patents Assigned to NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
  • Publication number: 20140084279
    Abstract: Provided are a polymer for an organic electroluminescent element, which has improved luminous efficiency and is applicable to a wet process, and an organic electroluminescent element obtained therefrom. The polymer for an organic electroluminescent element has a repeating unit represented by [—(Z)1-(A)m-]n in repeating units constituting a main chain. In addition, the organic electroluminescent element includes, between an anode and a cathode laminated on a substrate, organic layers including a hole-transporting layer and a light-emitting layer, in which at least one of the organic layers contains the polymer for an organic electroluminescent element. In the repeating unit, Z represents an N-indolocarbazolyl group, A represents a repeating unit different from Z, l and m each represent an abundance molar ratio, and l is 5 to 100 mol % and m is 0 to 95 mol %, and n is 2 to 10,000.
    Type: Application
    Filed: June 18, 2012
    Publication date: March 27, 2014
    Applicant: NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD
    Inventors: Hiroshige Tanaka, Tohru Asari, Kazuto Shiraishi, Mitsuru Sakai, Masashi Niina, Kazuaki Yoshimura
  • Publication number: 20140036268
    Abstract: A composite substrate is described, including a laminate of a metal fine-particle dispersed layer and a light transmission layer. The metal fine-particle dispersed layer includes a matrix having a solid framework and voids therein, and metal fine-particles immobilized in the solid framework. The solid framework has a 3D network structure of aluminum oxyhydroxide or alumina hydrate. The metal fine-particles have a mean particle diameter of 20 to 100 nm, with 50% or more having particle diameters in the same range. The metal fine-particles are separated from each other, with a distance greater than or equal to the particle diameter of the larger one of neighboring fine-particles. The metal fine-particles have portions exposed in the voids of the matrix, and are 3D-dispersed in the matrix. The metal fine-particle dispersed layer has a thickness of 0.5 to 5 ?m and a metal fine-particle content of 22 to 900 ?g/cm2.
    Type: Application
    Filed: July 31, 2013
    Publication date: February 6, 2014
    Applicant: NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
    Inventors: YASUSHI ENOMOTO, YASUFUMI MATSUMURA, RYUZO SHINTA
  • Patent number: 8637680
    Abstract: Provided are a squarylium dye having a carboxyindolenine structure and an N-alkyl substituent, and a photoelectric conversion element having high photoelectric conversion efficiency in a near-infrared region and a dye-sensitized solar cell, both of which are produced using the squarylium dye. The photoelectric conversion element or dye-sensitized solar cell uses a compound represented by the formula (1) as the squarylium dye. In the formula (1), R1 and R2 represent a substituted or unsubstituted C5 to C30 alkyl group; X represents C(CH3)2; and A and B represent a carboxy group.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: January 28, 2014
    Assignees: Nippon Steel & Sumikin Chemical Co., Ltd., National University Corporation Kyushu Institute of Technology
    Inventors: Shuzi Hayase, Yoshihiro Yamaguchi, Shyam Sudhir Pandey
  • Publication number: 20140012031
    Abstract: Provided are a silicone resin that yields a cured product excellent in flexibility, toughness, and heat resistance and high in transparency, a process for producing the said silicone resin, and a curable resin composition comprising the said silicone resin. The silicone resin is obtained by reacting an organopolysiloxane containing SiH groups represented by general formula (3) with an organopolysiloxane containing hydroxyl groups at both ends represented by general formula (5) and an alcohol containing radically reactive groups represented by general formula (6) in the presence of a hydroxylamine compound represented by general formula (4) as a catalyst and this silicone resin is used in formulating a curable resin composition.
    Type: Application
    Filed: August 20, 2013
    Publication date: January 9, 2014
    Applicant: NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
    Inventors: Yuki Ono, Masayoshi Isozaki, Takashi Saito
  • Patent number: 8609806
    Abstract: To provide phosphorus-containing epoxy resins and phosphorus-containing epoxy resin compositions having high levels of appearance, yield and economic efficiency and cured products thereof that are used for various applications. A phosphorus-containing phenol compound represented by Formula (3) obtained by reacting a compound represented by Formula (2) with a compound represented by Formula (1), wherein in the peak area (A) of the component represented by Formula (1) on a chromatogram measured under specific conditions by gel permeation chromatography, peak area (B) on the high-molecular-weight side of the component of Formula (1), and total area (C) of peak area (A) and peak area (B), the value obtained by dividing peak area (B) by total area (C) is 8 area % or less, and epoxy resin compositions and cured products comprising the phosphorus-containing phenol compound as an essential ingredient.
    Type: Grant
    Filed: September 2, 2009
    Date of Patent: December 17, 2013
    Assignee: Nippon Steel & Sumikin Chemical Co., Ltd.
    Inventors: Tetsuya Nakanishi, Hideyasu Asakage, Seigo Takuwa
  • Publication number: 20130329272
    Abstract: A nano-composite 10 is described, including: a matrix layer 1 including a solid framework 1a and voids 1b defined by the same, and metal fine-particles 3 immobilized to the solid framework 1a. The framework 1a includes aluminum oxyhydroxide or alumina hydrate and forms a 3D network structure. The metal fine-particles have a mean particle diameter of 3 to 100 nm, with 60% or more having particle diameters of 1 to 100 nm. The metal fine-particles 3 exist in a manner that they are not in contact with one another and neighboring metal fine-particles 3 are apart from each other by a distance equal to or larger than the particle diameter DL of the larger one of the neighboring metal fine-particles 3. The metal fine-particles 3 are 3D-dispersed in the matrix layer 1, wherein each metal fine-particle 3 has a portion exposed in the voids 1b.
    Type: Application
    Filed: February 2, 2012
    Publication date: December 12, 2013
    Applicant: NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
    Inventors: Yasufumi Matsumura, Yasushi Enomoto, Ryuzo Shinta
  • Publication number: 20130321783
    Abstract: The present invention pertains to a vector wave recording medium which: has an information recording layer comprising a photo-induced birefringence material; irradiates a recording signal light of a first polarization state, and a recording reference light of a second polarization state that differs to the first polarization state; and carries out vector wave multiplex recording by holography on the information recording layer. The vector wave recording medium is configured in such a manner that ?min/?max=0.1 is satisfied, where, assuming irradiation energy for the recording signal light and the recording reference light is constant, the maximum value of the diffraction efficiency of a playback signal light from diffraction gratings corresponding to information recorded in the information recording layer after the vector wave multiplex recording has been carried out by holography on the information recording layer, is regarded as ?max, and the minimum value is regarded as ?min.
    Type: Application
    Filed: March 14, 2012
    Publication date: December 5, 2013
    Applicant: NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
    Inventors: Toshio Ando, Kazuyoshi Masaki, Takehiro Shimizu, Takashi Fukuda
  • Patent number: 8557392
    Abstract: In order to provide a flexible laminate circuit board using a surface treated copper foil satisfying all of a bonding strength of a copper foil with respect to polyimide, acid resistance, and etching property, in a flexible laminate circuit board formed by a copper foil on the surface of a polyimide resin layer, the copper foil is a surface treated copper foil formed by depositing an Ni—Zn alloy onto at least one surface of a untreated copper foil, and the Zn deposition amount in the deposited Ni—Zn alloy is 6% or more and 15% or less of the (Ni deposition amount+Zn deposition amount), and the Zn deposition amount is 0.08 mg/dm2 or more to provide a flexible copper clad laminate.
    Type: Grant
    Filed: July 22, 2009
    Date of Patent: October 15, 2013
    Assignees: Furukawa Electric Co., Ltd., Nippon Steel & Sumikin Chemical Co., Ltd.
    Inventors: Satoshi Fujisawa, Yuji Suzuki, Takeo Uno, Koichi Hattori, Naoya Kuwasaki
  • Patent number: 8546510
    Abstract: Provided are a crystalline resin cured product which shows high thermal conductivity, low thermal expansion, high heat resistance, low moisture absorption, and good gas barrier properties and a crystalline resin composite material produced therefrom. Further provided is a method for producing the crystalline resin cured product and the crystalline resin composite material. The crystalline resin cured product is obtained by the reaction of an aromatic diglycidyl compound or a diglycidyl resin with an aromatic dihydroxy compound or with a dihydroxy resin and it shows a heat of melting of 10 J/g or more in differential thermal analysis while the endothermic peak corresponding to the melting appears in the range of 120 to 320° C. The crystalline resin composite material is obtained by combining the crystalline resin cured product with a filler or a base material. The crystalline resin cured product has a unit represented by -A-O—CH2—CH(OH)—CH2—O—B—, wherein A and B are divalent aromatic groups.
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: October 1, 2013
    Assignee: Nippon Steel & Sumikin Chemical Co., Ltd.
    Inventors: Masashi Kaji, Koichiro Ogami, Kazuhiko Nakahara, Tomomi Fukunaga
  • Patent number: 8530738
    Abstract: There is provided a tandem-type dye-sensitized solar cell having a novel structure whereby optical absorption efficiency is improved and which can be manufactured at low cost. A dye-sensitized solar cell 10 comprises an anode substrate 12, a first dye-carrying porous oxide semiconductor layer 14, an electrolytic solution layer 16a, a porous support layer 18, a second dye-carrying porous oxide semiconductor layer 20, an electrolytic solution layer 16b, and a cathode substrate 22, arranged in order from an optical incidence side. The porous support layer 18 supports an iodine redox catalyst layer 19. Electrons derived by a conductor from a conductor layer 12b are introduced to the cathode substrate 22, thereby configuring, for example, a battery circuit for lighting purposes.
    Type: Grant
    Filed: March 4, 2010
    Date of Patent: September 10, 2013
    Assignees: National University Corporation Kyushu Institute of Technology, Nippon Steel & Sumikin Chemical Co., Ltd.
    Inventors: Shuzi Hayase, Yoshihiro Yamaguchi
  • Publication number: 20130207047
    Abstract: Provided are a novel chalcogen-containing aromatic compound and an organic electronic device using the compound. This compound is a chalcogen-containing aromatic compound represented by the formula (1). Among the organic electronic devices each using this chalcogen-containing aromatic compound are an organic EL device, an organic TFT device, a photovoltaic device, and the like. In the formula (1): X represents oxygen, sulfur, or selenium; A represents an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aromatic hydrocarbon group, an aromatic heterocyclic group, or an amino group; and n's each independently represent an integer of 0 to 2, provided that a sum of two n's is 1 to 4.
    Type: Application
    Filed: October 3, 2011
    Publication date: August 15, 2013
    Applicant: Nippon Steel & Sumikin Chemical Co., Ltd.
    Inventors: Mitsuru Suda, Takahiro Kai, Megumi Matsumoto
  • Publication number: 20130207097
    Abstract: Provided is an organic electroluminescent device (EL device) that uses an indolocarbazole compound. The organic EL device includes an anode, a plurality of organic layers including a phosphorescent light-emitting layer, and a cathode laminated on a substrate, in which at least one organic layer selected from the phosphorescent light-emitting layer, a hole-transporting layer, an electron-transporting layer, and a hole-blocking layer contains an indolocarbazole compound represented by the general formula (1). In the general formula (1), a ring I and a ring II represent rings represented by the formula (1a) and the formula (1b), respectively, each of which are fused to an adjacent ring. X's each represent nitrogen or C—Y and at least one of X's represents nitrogen. Y's each represent hydrogen, an alkyl group, a cycloalkyl group, or an aromatic group. A represents an alkyl group, a cycloalkyl group, or an aromatic group. At least one of Y and A represents an alkyl group or a cycloalkyl group.
    Type: Application
    Filed: November 21, 2011
    Publication date: August 15, 2013
    Applicant: Nippon Steel & Sumikin Chemical Co., Ltd.
    Inventors: Takahiro Kai, Masaki Komori, Toshihiro Yamamoto, Tohru Asari, Takaya Ishiyama, Megumi Matsumoto
  • Publication number: 20130181172
    Abstract: This invention provides a carbon nanostructure including: carbon containing rod-shaped materials and/or carbon containing sheet-shaped materials which are bound three-dimensionally; and graphene multilayer membrane walls which are formed in the rod-shaped materials and/or the sheet-shaped materials; wherein air-sac-like pores, which are defined by the graphene multilayer membrane walls, are formed in the rod-shaped materials and/or the sheet-shaped materials.
    Type: Application
    Filed: August 8, 2011
    Publication date: July 18, 2013
    Applicants: INTER-UNIVERSITY RESEARCH INSTITUTE CORPORATION, NATIONAL INSTITUTES OF NATURAL SCIENCES, NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD., DENSO CORPORATION
    Inventors: Nobuyuki Nishi, Norikazu Adachi, Yasuyuki Ooba, Manabu Yamada, Kenichiro Kami, Kazuhiko Mizuuchi
  • Patent number: 8450478
    Abstract: Disclosed is an ionic liquid which is stable over a wide potential range and exhibits a high ionic conductivity. The ionic liquid comprises a cyclic guanidine salt represented by the following formula (1): wherein R1 and R2 each is independently an alkyl group or an alkoxyalkyl group, X is a methylene group, an oxygen atom, a sulfur atom, or R3N; R3 is an alkyl group, an alkoxyalkyl group, or an acyl group; l, m, and n each is an integer in the range of 1-6; Y? is a monovalent anion such as (R4SO2)2N?, R4SO3?, R4COO?, BF4?, PF6?, NO3?, (CN)2N?, (CHO)2N?, NCS?, R4OSO3?, R4SO2S?, and a halogen ion. The ionic liquid is useful for a variety of electrolytes, particularly for electrolytes of electrochemical cells.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: May 28, 2013
    Assignee: Nippon Steel & Sumikin Chemical Co., Ltd.
    Inventors: Atsushi Kawada, Aya Tashiro, Toshihiro Kumagai
  • Publication number: 20130118560
    Abstract: Provided is a sealing structure of a photoelectric conversion element in which the open side end section of the photoelectric conversion element can be surely and continuously sealed by a simple structure with high durability, and also the problem of insufficient sealing of the extraction electrode can be solved. A sealing structure 10 of a dye-sensitized solar cell as an example of the photoelectric conversion element is configured by a cylindrical dye-sensitized solar cell main body 12 and sealing sections 14a and 14b which respectively seal both ends of the dye-sensitized solar cell main body 12. Lid bodies 26a and 26b, each of which is formed of a conductive metal member, are respectively provided at both end sections of a transparent glass tube 16, so as to seal the dye-sensitized solar cell main body 12, and are also respectively electrically connected to a pair of electrode sections of the dye-sensitized solar cell main body 12, so as to be used as a pair of extraction electrodes.
    Type: Application
    Filed: July 19, 2011
    Publication date: May 16, 2013
    Applicant: NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
    Inventors: Yoshihiro Yamaguchi, Ken-ichi Fujino, Toshihisa Fujitaka
  • Publication number: 20130071619
    Abstract: A nano-composite 10 is described, including a matrix resin 1, metal fine-particles 3 immobilized in the matrix resin 1, a binding species 7 immobilized on a part or all of the metal fine-particles 3, and metal fine-particles 9 indirectly immobilized on the metal fine-particles 3 via the binding species 7. Each of at least a part of the metal fine-particles 3 has a portion embedded in the matrix resin 1, and a portion (exposed portion 3a) exposed outside of the matrix resin 1, while the binding species 7 is immobilized on the exposed portions.
    Type: Application
    Filed: May 20, 2011
    Publication date: March 21, 2013
    Applicants: NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD., TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Kotaro Kajikawa, Yasushi Enomoto, Yasufumi Matsumura, Ryuzo Shinta