Patents Assigned to Nissan Chemical Industries, Ltd.
  • Publication number: 20200332194
    Abstract: The purpose of the present invention is to provide: elements, in particular, a display element and an optical element, which are obtained by controlling orientation of liquid crystals in a liquid crystal bulk without using a liquid crystal orientation film; and/or a photoreactive liquid crystal composition for manufacturing the elements. The present invention provides: a photoreactive liquid crystal composition comprising (A) a photoreactive polymer liquid crystal which includes a photoreactive side chain in which at least one type of reaction selected from the group consisting of (A-1) photocrosslinking and (A-2) photoisomerization occurs, and (B) a low molecular weight liquid crystal; and an optical element or display element which is formed having a liquid crystal cell including the composition.
    Type: Application
    Filed: July 7, 2020
    Publication date: October 22, 2020
    Applicants: UNIVERSITY OF HYOGO, NAGAOKA UNIVERSITY OF TECHNOLOGY, NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Tomoyuki SASAKI, Hiroshi ONO, Nobuhiro KAWATSUKI, Kohei GOTO
  • Patent number: 10809619
    Abstract: A resist underlayer film for use in lithography process which generates less sublimate, has excellent embeddability at the time of applying onto a substrate having a hole pattern, and has high dry etching resistance, wiggling resistance and heat resistance, etc. A resist underlayer film-forming composition including a resin and a crosslinkable compound of Formula (1) or Formula (2): in which Q1 is a single bond or an m1-valent organic group, R1 and R4 are each a C2-10 alkyl group or a C2-10 alkyl group having a C1-10 alkoxy group, R2 and R5 are each a hydrogen atom or a methyl group, R3 and R6 are each a C1-10 alkyl group or a C6-40 aryl group.
    Type: Grant
    Filed: June 24, 2014
    Date of Patent: October 20, 2020
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Keisuke Hashimoto, Kenji Takase, Tetsuya Shinjo, Rikimaru Sakamoto, Takafumi Endo, Hirokazu Nishimaki
  • Patent number: 10804111
    Abstract: A method for roughening a surface of a substrate, including: applying a composition containing inorganic particles and organic resin to the surface of the substrate and drying and curing the composition to form an organic resin layer; and etching the substrate by a solution containing hydrogen fluoride, hydrogen peroxide, or an acid, to roughen the surface. Preferably, the solution contains hydrogen fluoride and ammonium fluoride or hydrogen peroxide and ammonia, the resin layer contains a ratio of the particles to the resin of 5 to 50 parts by mass to 100 parts by mass, and the composition is a mixture of silica sol wherein silica is dispersed as the inorganic particles in organic solvent or titanium oxide sol wherein titanium oxide is dispersed, with a solution of the organic resin.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: October 13, 2020
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Keisuke Hashimoto, Yasunobu Someya, Takahiro Kishioka, Rikimaru Sakamoto
  • Patent number: 10793677
    Abstract: A resin composition capable of forming a cured film having a high refractive index, high transparency and high heat resistance, and a polymer which is used for the resin composition. A polymer having a structural unit of Formula (1): wherein A1 and A2 are each independently an —O— group or a —C(?O)O— group; X is a divalent organic group having at least one aromatic ring or heterocyclic ring, wherein, when the X has two or more aromatic rings or heterocyclic rings, the rings are optionally bonded to each other via a single bond, are optionally bonded to each other via a heteroatom, or optionally form a condensed ring; and Y is a divalent organic group having at least one aromatic ring or condensed ring. A resin composition, includes: the polymer; a cross-linking agent; and a solvent.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: October 6, 2020
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Yuki Sugawara, Takahiro Sakaguchi, Isao Adachi
  • Patent number: 10795261
    Abstract: An additive for a resist underlayer film-forming composition, including a copolymer having structural units of the following Formulae (1) to (3): wherein R1s are each independently a hydrogen atom or a methyl group, R2 is a C1-3 alkylene group, A is a protecting group, R3 is an organic group having 4 to 7-membered ring lactone skeleton, adamantane skeleton, tricyclodecane skeleton, or norbornane skeleton, and R4 is a linear, branched, or cyclic organic group having a carbon atom number of 1 to 12, wherein at least one hydrogen atom is substituted with a fluoro group and that optionally has at least one hydroxy group as a substituent. A resist underlayer film-forming composition for lithography including additive, a resin that is different from copolymer, organic acid, crosslinker, and solvent, wherein the copolymer's content is 3 parts by mass to 40 parts by mass relative to 100 parts by mass of the resin.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: October 6, 2020
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Tokio Nishita, Rikimaru Sakamoto
  • Publication number: 20200303086
    Abstract: A method for manufacturing an electroconductive pattern 40, provided with: a lamination step for laminating an acid generation film 10 containing an acid proliferation agent and a photoacid generator on a polymer film 20 containing an electroconductive polymer formed on a substrate 21; a masking step for masking the top of the acid generation film 10; a light irradiation step for irradiating the laminate from the acid-generation-film 10 side; a doping step for doping the electroconductive polymer with an acid generated and proliferated in the acid generation film 10 by the light irradiation; and a releasing step for releasing the acid generation film 10 from the polymer film 20. This method makes it possible to provide an electroconductive film and a method for manufacturing an electroconductive pattern in which photoacid generation and acid proliferation effects are utilized.
    Type: Application
    Filed: June 8, 2020
    Publication date: September 24, 2020
    Applicants: TOKYO UNIVERSITY OF SCIENCE FOUNDATION, NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Koji ARIMITSU, Makoto WAKABAYASHI
  • Patent number: 10774234
    Abstract: The present invention is to provide a cell culture vessel comprising a copolymer which contains a recurring unit containing an organic group of the following formula (a) and a recurring unit containing an organic group of the following formula (b) being coated onto a surface thereof, a method for manufacturing the same and a method for manufacturing a cell aggregate using the same (wherein Ua1, Ua2, Ub1, Ub2 and Ub3, and An? are as defined in the present specification and the claims).
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: September 15, 2020
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Ayako Otani, Taito Nishino, Yoshiomi Hiroi, Takahiro Kishioka, Tomoyuki Ozawa
  • Patent number: 10774237
    Abstract: A thermosetting resin composition, a thermosetting resin composition for protective films, a thermosetting resin composition for planarizing films, and a method for producing a cured film, a protective film, or a planarizing film by using the resin composition. A thermosetting resin composition has a polymer having a structural unit of Formula (1) below, a curing agent in an amount of 0% by mass to 30% by mass with respect to the polymer, and a solvent. When the thermosetting resin composition includes the curing agent, the curing agent is at least one compound selected from polyfunctional (meth)acrylate compounds and polyfunctional blocked isocyanate compounds: (wherein A1 is a C2 or C3 alkenyl group or alkynyl group, and A2 is a C2 alkenylene group or alkynylene group).
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: September 15, 2020
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Takahiro Sakaguchi, Yuki Sugawara, Isao Adachi
  • Patent number: 10767109
    Abstract: Provided is a method for manufacturing a carbonaceous luminescent material in which a polycarboxylic-acid-containing starting material, an acid catalyst, and a solvent are mixed together and heated.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: September 8, 2020
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Tadayuki Isaji, Naoki Otani, Masahiro Ueda, Takayoshi Kawasaki
  • Patent number: 10770659
    Abstract: Provided is a composition for a hole trapping layer of an organic photoelectric conversion element, such composition: containing a solvent and a charge-transporting substance comprising a polyaniline derivative represented by formula (1); and providing a thin film that is suitable as a hole trapping layer of an organic photoelectric conversion element and can also be used to produce an inverse lamination type organic photoelectric conversion element.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: September 8, 2020
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Takuji Yoshimoto, Juro Oshima, Shun Sugawara
  • Patent number: 10761375
    Abstract: The present invention provides the following: a photo alignment method-use liquid crystal aligning agent used to obtain a photo alignment method-use liquid crystal alignment film that does not cause bright spots even when negative liquid crystals are used, and that is capable of achieving good after-image characteristics; a liquid crystal alignment film obtained from the liquid crystal aligning agent; and a liquid crystal display element provided with the liquid crystal aligning agent. Provided is the liquid crystal aligning agent which contains a polyimide or polyimide precursor obtained from a reaction between: a tetracarboxylic acid dianhydride represented by formula (1) (in the formula, X1 is as set forth in the present specification) or a derivative thereof; and a diamine component that contains a diamine represented by formula (2) (in the formula, R1, Z1 and n are as set forth in the present specification).
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: September 1, 2020
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Kanako Suzuki, Yuta Kawano, Kohei Goto, Masaaki Katayama
  • Patent number: 10752839
    Abstract: A photoreactive liquid crystal composition containing (A) a photoreactive polymer liquid crystal which includes a photoreactive side chain in which at least one type of reaction selected from (A-1) photocrosslinking and (A-2) photoisomerization occurs, and (B) a low molecular weight liquid crystal. An optical element or display element is formed having a liquid crystal cell including the photoreactive liquid crystal composition.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: August 25, 2020
    Assignees: UNIVERSITY OF HYOGO, NAGAOKA UNIVERISTY OF TECHNOLOGY, NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Tomoyuki Sasaki, Hiroshi Ono, Nobuhiro Kawatsuki, Kohei Goto
  • Patent number: 10752714
    Abstract: There is provided a thermosetting resin composition. A resin composition, comprising: (A) component, (B) component, and a solvent, wherein the content of the (B) component is 0.1 to 5.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: August 25, 2020
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Isao Adachi, Takahiro Sakaguchi, Yuki Sugawara
  • Patent number: 10756190
    Abstract: The invention provides a precursor composition for forming an amorphous metal oxide semiconductor layer, containing a metal salt, a primary amide, and a water-based solution. An amorphous metal oxide semiconductor layer is formed by use of the composition.
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: August 25, 2020
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Yoshiomi Hiroi, Shinichi Maeda
  • Patent number: 10749172
    Abstract: Provided is an electrode for energy storage devices, which is provided with a collector substrate, an undercoat layer that is formed on at least one surface of the collector substrate and contains carbon nanotubes, and an active material layer that is formed on the surface of the undercoat layer, and wherein the active material layer does not contain a conductive assistant.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: August 18, 2020
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Yuki Shibano, Tatsuya Hatanaka, Takuji Yoshimoto
  • Patent number: 10749183
    Abstract: Provided is an electrode for energy storage devices, which is provided with: a collector substrate; an undercoat layer that is formed on at least one surface of the collector substrate and contains carbon nanotubes; and an active material layer that is formed on the surface of the undercoat layer and contains an active material which contains a titanium-containing oxide.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: August 18, 2020
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Yuki Shibano, Tatsuya Hatanaka, Takuji Yoshimoto
  • Patent number: 10724028
    Abstract: The invention provides a ligand-bonded fiber in which a ligand having affinity for a cell membrane receptor is immobilized on a fiber precursor, and a cell culture substrate capable of repeating ex vivo amplification of a cell expressing a cell membrane receptor by using the ligand-bonded fiber.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: July 28, 2020
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Makiko Umezaki, Takahiro Kishioka, Taito Nishino, Ayako Aihara, Shunsuke Iwamoto, Daisuke Sakuma
  • Patent number: 10727476
    Abstract: The present invention aims to provide an electrode for lithium ion batteries which exhibits excellent electrical conductivity even if its thickness is large. The electrode for lithium ion batteries of the present invention includes a first main surface to be located adjacent to a separator of a lithium ion battery and a second main surface to be located adjacent to a current collector of the lithium ion battery. The electrode has a thickness of 150 to 5000 ?m. The electrode contains, between the first main surface and the second main surface, a conductive member (A) made of an electronically conductive material and a large number of active material particles (B). At least part of the conductive member (A) forms a conductive path that electrically connects the first main surface to the second main surface. The conductive path is in contact with the active material particles (B) around the conductive path.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: July 28, 2020
    Assignees: SANYO CHEMICAL INDUSTRIES, LTD., NISSAN MOTOR CO., LTD.
    Inventors: Yusuke Mizuno, Yasuhiro Shindo, Yasuhiro Tsudo, Kenichi Kawakita, Yuki Kusachi, Yasuhiko Ohsawa, Hajime Satou, Hiroshi Akama, Hideaki Horie
  • Patent number: 10720259
    Abstract: A method for manufacturing an electroconductive pattern 40, provided with: a lamination step for laminating an acid generation film 10 containing an acid proliferation agent and a photoacid generator on a polymer film 20 containing an electroconductive polymer formed on a substrate 21; a masking step for masking the top of the acid generation film 10; a light irradiation step for irradiating the laminate from the acid-generation-film 10 side; a doping step for doping the electroconductive polymer with an acid generated and proliferated in the acid generation film 10 by the light irradiation; and a releasing step for releasing the acid generation film 10 from the polymer film 20. This method makes it possible to provide an electroconductive film and a method for manufacturing an electroconductive pattern in which photoacid generation and acid proliferation effects are utilized.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: July 21, 2020
    Assignees: TOKYO UNIVERSITY OF SCIENCE FOUNDATION, NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Koji Arimitsu, Makoto Wakabayashi
  • Patent number: 10717818
    Abstract: It is possible to obtain a thin film that can form a minute pattern and that has a high index of refraction by using a polymer containing a triazine ring and containing a repeating unit structure represented for example by formula (22) or (26).
    Type: Grant
    Filed: August 12, 2015
    Date of Patent: July 21, 2020
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Naoya Nishimura, Takahiro Kaseyama, Kei Yasui, Daisuke Maeda