Patents Assigned to Sekisui Chemical Co., Ltd.
  • Publication number: 20230095968
    Abstract: The electrochemical cell is an electrochemical cell which electrochemically synthesizes at least one carbonyl compound selected from the group consisting of organic carbonates and organic oxalates from carbon monoxide, and has an electrolyte solution containing a redox species and a catalyst, and an electrode.
    Type: Application
    Filed: September 8, 2022
    Publication date: March 30, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventor: Naohiro FUJINUMA
  • Patent number: 11613105
    Abstract: The present invention aims to provide an interlayer film for a laminated glass that enables production of a laminated glass having high visible light transmittance even when deaeration for preliminary pressure bonding and heating for final pressure bonding are performed in parallel in a vacuum deaeration method. The present invention also aims to provide a method for producing the interlayer film for a laminated glass, and a laminated glass including the interlayer film for a laminated glass. Provided is an interlayer film for a laminated glass having a multitude of recesses on at least one surface, the surface with the recesses having a texture aspect ratio Str of 0.04 or lower as measured in conformity with ISO 25178.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: March 28, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventor: Kazuhiko Nakayama
  • Patent number: 11613102
    Abstract: An object is to provide a coloring technique that makes it possible to impart luster while providing a vivid color, and further to provide a coloring technique that makes it possible to retain more unevenness when a substrate has unevenness. This object is achieved by a laminated sheet comprising a fiber substrate and a metalloid element-containing layer disposed on or above the surface of the fiber substrate.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: March 28, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Junnosuke Murakami, Hideki Hayashi, Tomotaka Kojima, Mayumi Yukawa, Morio Takizawa, Motohiko Asano, Masaaki Kino
  • Publication number: 20230086272
    Abstract: Provided is an interlayer film for laminated glass, having a dark color part with uniform parallel light transmittance in a shading region, and capable of suppressing color unevenness in the shading region. An interlayer film for laminated glass according to the present invention has one end, and the other on an opposite side of the one end, the other end has a thickness larger than a thickness of the one end, and when the interlayer film is arranged between two sheets of clear glass conforming to JIS R3202:1996 to obtain a laminated glass X, and a specific measurement of parallel light transmittance is conducted for the laminated glass X obtained, the interlayer film has a gradation part in which a parallel light transmittance continuously reduces from the one end side to the other end side, and an absolute value of a variation rate in the parallel light transmittance is more than 0.
    Type: Application
    Filed: January 13, 2021
    Publication date: March 23, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Jun ISHIDA, Hiroaki INUI
  • Patent number: 11608512
    Abstract: Provided is a method which allows, for example, suppression of foaming in the purification step such as distillation and continuous operation, as well as direct treatment of a waste liquid (can liquid) without having to subject the same to an extra purification treatment by removing the microorganisms, nitrogen compounds, and phosphorous compounds at once from an organic substance-containing liquid obtained from microbial fermentation. Also disclosed is a method for producing an organic substance, comprising a microbial fermentation step, a separation step, a liquefaction step, and a second purification step, wherein the concentration of the nitrogen compound in the second can liquid is 0 to 150 ppm based on the total mass of the second can liquid, and the concentration of the phosphorous compound in the second can liquid is 0 to 5 ppm based on the total mass of the second can liquid.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: March 21, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kokoro Hamachi, Satoshi Shimizu
  • Publication number: 20230084330
    Abstract: The present invention provides a slurry composition in which magnetic material powder has excellent dispersibility and excellent dispersion stability and which enables production of a sheet having high surface smoothness and high adhesiveness to substrates. Provided is a slurry composition containing: a polyvinyl acetal resin; magnetic material powder; and a Na ion, the slurry composition having a Na ion content of 1,000 to 3,000 ?g/g relative to the polyvinyl acetal resin.
    Type: Application
    Filed: March 17, 2021
    Publication date: March 16, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventor: Ryou SAKAMOTO
  • Patent number: 11602884
    Abstract: A spiral pipe-forming apparatus includes a non-circular guide portion which is rotatable with respect to an apparatus frame around a rotary axis. The non-circular guide portion is configured to be applied to a peripheral surface of a preceding spiral pipe portion. An acting portion is configured to act such that the non-circular guide portion follows a peripheral surface of an existing pipe.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: March 14, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hiroshi Sugahara, Tatsurou Baba, Naoya Tsuda, Masahiro Yamasaki
  • Patent number: 11603456
    Abstract: The present invention provides an epoxy resin composition that is provided with flexibility to combine impact resistance and mechanical strength, while maintaining epoxy resin-specific high elastic modulus, that reduces an increase in viscosity due to mixing, and that is excellent in heat resistance, storage stability, and solvent resistance. Provided is an epoxy resin composition containing: a modified polyvinyl acetal resin having a constitutional unit with an acid-modified group; a reactive diluent; and an epoxy resin, the epoxy resin composition having a sea-island phase separated structure after being cured.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: March 14, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shiori Tateno, Tasuku Yamada, Yousuke Chiba
  • Publication number: 20230073854
    Abstract: The present invention aims to provide an adhesive sheet excellent in both shear strength and slurry resistance at high temperature and excellent in removability that enables removal without adhesive residue. The present invention also aims to provide a polishing pad with an adhesive sheet including the adhesive sheet.
    Type: Application
    Filed: February 16, 2021
    Publication date: March 9, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yudai OGATA, Kazuyuki FUKUYAMA, Tatsuya KOGISO
  • Publication number: 20230065099
    Abstract: The interlayer film for laminated glass according to the present invention includes at least one graphene-based material selected from the group consisting of graphene and graphite.
    Type: Application
    Filed: March 30, 2021
    Publication date: March 2, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kazuhiko NAKAYAMA, Hiroki MASUDA
  • Patent number: 11590735
    Abstract: Provided is an interlayer film for laminated glass capable of preventing generation of a void in the interlayer film in an end part of laminated glass. The interlayer film for laminated glass according to the present invention has a lengthwise direction and a widthwise direction, and includes the following configuration A, the configuration B or the configuration C. Configuration A: containing a light stabilizer, and having such a distribution in content of the light stabilizer in the widthwise direction that the content of the light stabilizer is larger in one end side of the widthwise direction. Configuration B: containing an ultraviolet ray screening agent, and having such a distribution in content of the ultraviolet ray screening agent in the widthwise direction that the content of the ultraviolet ray screening agent is larger in one end side of the widthwise direction.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: February 28, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shougo Yoshida, Moyuru Okano, Manabu Matsumoto, Kazuhiko Nakayama
  • Patent number: 11590736
    Abstract: Provided is an interlayer film for laminated glass capable of preventing generation of a void in the interlayer film in an end part of laminated glass. The interlayer film for laminated glass according to the present invention has a lengthwise direction and a widthwise direction, and includes the following configuration A, the configuration B or the configuration C. Configuration A: containing a light stabilizer, and having such a distribution in content of the light stabilizer in the widthwise direction that the content of the light stabilizer is larger in one end side of the widthwise direction. Configuration B: containing an ultraviolet ray screening agent, and having such a distribution in content of the ultraviolet ray screening agent in the widthwise direction that the content of the ultraviolet ray screening agent is larger in one end side of the widthwise direction.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: February 28, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shougo Yoshida, Moyuru Okano, Manabu Matsumoto, Kazuhiko Nakayama
  • Patent number: 11590737
    Abstract: Provided is an interlayer film for laminated glass capable of enhancing the sound insulating property and the interlayer adhesive force in an interlayer film having increased transparency. An interlayer film for laminated glass according to the present invention is an interlayer film for laminated glass having a one-layer or two or more-layer structure, the interlayer film includes a first layer containing a vinyl monomer polymer, the vinyl monomer polymer is a polymer of a polymerizable composition containing a monomer having a functional group having hydrogen bondability, and a laminated glass in which the interlayer film for laminated glass is arranged between two sheets of float glass having a thickness of 2.0 mm, a length of 30 mm and a width of 2.5 cm in conformity with JIS R3202 has a haze, measured in conformity with JIS K6714 by using a haze meter, of 0.5% or less.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: February 28, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Masumi Okitsuka, Yuki Ishikawa, Shinji Kawada
  • Publication number: 20230060024
    Abstract: A resin composition containing a polyvinyl alcohol-based resin, 0.1% by mass or more and 1.2% by mass or less of a surfactant, and at least any one of an inorganic filler and silicone particles, wherein the resin composition is free of a plasticizer or comprises 5.0% by mass or less of a plasticizer, and satisfies at least any one of the following requirements (1) and (2). (1) The content of the inorganic filler is 1% by mass or more and 30% by mass or less (2) The content of the silicone particles is 0.01% by mass or more and 0.
    Type: Application
    Filed: January 21, 2021
    Publication date: February 23, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventor: Takahisa CHITOU
  • Publication number: 20230056185
    Abstract: A thermally conductive sheet has a thermally conductive resin composition layer, wherein the thermally conductive resin composition layer is made of a thermally conductive resin composition (1) including an inorganic filler and a binder resin (3). The inorganic filler includes a boron nitride particle (2), the content of the inorganic filler in the thermally conductive resin composition layer is 65% by volume or more, and the boron nitride particle (2) has an average aspect ratio of 7 or less, which is calculated from a major axis and a minor axis of a primary particle measured by a specific method. The thermally conductive resin composition layer has a thickness of 200 ?m or less.
    Type: Application
    Filed: January 19, 2021
    Publication date: February 23, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shohei MIZUNO, Aki KOUMA, Takashi SHINJOU, Kaoru SHIBUTA
  • Publication number: 20230059935
    Abstract: Provided is an interlayer film for laminated glass capable of enhancing the sound insulating property of the laminated glass. An interlayer film for laminated glass according to the present invention is an interlayer film, for laminated glass, having a two or more-layer structure, the interlayer film includes one end and the other end being on an opposite side of the one end and having a thickness larger than a thickness of the one end, at least one layer having a glass transition temperature of less than 15° C., and a region where a value of Y/X is 0.12 or more when the interlayer film has a thickness of X ?m and a total thickness of the at least one layer having a glass transition temperature of less than 15° C. is denoted by Y ?m, and the interlayer film has an average thickness of each surface layer, in a region from a position of 100 mm to a position of 400 mm from the one end toward the other end, of less than 300 ?m.
    Type: Application
    Filed: March 30, 2021
    Publication date: February 23, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hiromitsu NISHINO, Koji KIDO
  • Publication number: 20230047619
    Abstract: A method for producing an organic substance includes a step of passing a synthesis gas G1 discharged from a gasifier 11 through a gas cooling tower 21 to cool the synthesis gas G1 with water sprayed in the gas cooling tower 21, a step of passing the synthesis gas G1 cooled in the gas cooling tower 21 through a filtration-type dust collector 22 and a step of bringing a synthesis gas G2 that has passed through at least the gas cooling tower 21 and the filtration-type dust collector 22 into contact with a microbial catalyst to generate an organic substance.
    Type: Application
    Filed: January 21, 2021
    Publication date: February 16, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kokoro HAMACHI, Satoshi SHIMIZU
  • Publication number: 20230050575
    Abstract: Provided are a method for producing an organic substance and an apparatus for producing an organic substance that are capable of efficiently cooling a synthesis gas and converting the synthesis gas to an organic substance at a high conversion efficiency using a microbial catalyst. A method for producing an organic substance includes a step of passing a synthesis gas G1 discharged from a gasifier 2 through a heat exchanger 20 to cool the synthesis gas G1, a step of passing the synthesis gas G1 cooled with the heat exchanger 20 through a gas cooling tower 21 to cool the synthesis gas G1 with water sprayed in the gas cooling tower 21 and a step of bringing the synthesis gas G1 that has passed through at least the heat exchanger 20 and the gas cooling tower 21 into contact with a microbial catalyst to generate an organic substance.
    Type: Application
    Filed: January 21, 2021
    Publication date: February 16, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kokoro HAMACHI, Satoshi SHIMIZU
  • Publication number: 20230047920
    Abstract: The present invention aims to provide an adhesive composition that can exhibit excellent adhesion to both smooth surfaces and rough surfaces. The present invention also aims to provide an adhesive tape including an adhesive layer containing the adhesive composition, as well as a method for fixing and a method for producing an electronic device component or an in-vehicle component using the adhesive tape. Provided is an adhesive composition containing an acrylic copolymer containing a structural unit derived from n-heptyl (meth)acrylate.
    Type: Application
    Filed: December 17, 2020
    Publication date: February 16, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Aya ADACHI, Noriyuki UCHIDA, Shigekazu WATANABE, Yudai OGATA
  • Publication number: 20230043508
    Abstract: A pressure-sensitive adhesive comprising a polymer (X1) containing 48% by mass or more of a constituent unit derived from at least one monomer (Y) selected from the group consisting of a monomer (A1) represented by the following general formula (1) and a monomer (B1) represented by the following general formula (2), in which a tan ? (23° C.) determined as G? (23° C.)/G? (23° C.) is 0.8 to 1.3, wherein a storage elastic modulus and a loss coefficient at 23° C. are respectively represented by G? (23° C.) and G? (23° C.). In the formula (1), R1 represents H or CH3, R2 represents —CnH2n+1 and n represents an integer of 7 to 14. In the formula (2), R3 represents —C(?O)CmH2m+1 and m represents an integer of 7 to 13. Thus, retention force under high temperature, low-temperature attachability, and adhesiveness to a low-polar adherend are favorable along with a high bio rate.
    Type: Application
    Filed: December 16, 2020
    Publication date: February 9, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hiroyuki KATAOKA, Hiroki YAMAMOTO, Aya ADACHI, Tomohiro HIDA