Patents by Inventor Satoshi IKUBO

Satoshi IKUBO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • RESIN COMPOSITION AND GAS-BARRIER FILM USING SAME
    Publication number: 20230193004
    Abstract: [Problem] Provided is a resin composition capable of producing a film having an excellent gas-barrier property and a small variation in thickness. [Solution] The resin composition comprises (A) an EVOH-based resin in an amount of at least 40% by weight but 99% by weight or less, (B) a PVA-based resin (B), and (C) an acid-modified polyolefin. The resin composition contains at most 1% of volatile content. The component (B) is preferably a PVA-based resin having a primary hydroxyl group in the side chain.
    Type: Application
    Filed: February 10, 2023
    Publication date: June 22, 2023
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Makoto HATANAKA, Satoshi IKUBO
  • POLYVINYL ALCOHOL-BASED RESIN COMPOSITION AND MELT-MOLDED ARTICLE USING SAID COMPOSITION
    Publication number: 20230174765
    Abstract: Provided is a resin composition containing a melt-moldable polyvinyl alcohol-based resin which is improved in gas barrier property, and a melt-molded article of the resin composition. The resin composition comprises a polyhydric alcohol having 5 to 15 carbon atoms in addition to a melt-moldable polyvinyl alcohol-based resin which has a primary hydroxyl group in the side chain. The polyhydric alcohol is preferably at least one selected from the group consisting of dipentaerythritol and pentaerythritol.
    Type: Application
    Filed: February 1, 2023
    Publication date: June 8, 2023
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Satoshi IKUBO, Masahiko TANIGUCHI
  • LIQUID SPRAY AGENT FOR PLANTS
    Publication number: 20190216081
    Abstract: A liquid spray agent for plants includes: a polyvinyl alcohol resin (A) having a saponification degree of from 30 mol % to 60 mol %; and an anionic surfactant (B). The liquid spray agent for plants has enhanced spreading property and stability as a spray agent.
    Type: Application
    Filed: March 25, 2019
    Publication date: July 18, 2019
    Applicant: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.
    Inventors: Satoshi IKUBO, Chizuko FURO, Shusaku MANDAI