Patents by Inventor Yusuke SAEGUSA

Yusuke SAEGUSA 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).

  • WATER-ABSORBENT COPOLYMER
    Publication number: 20220354072
    Abstract: A water-absorbent copolymer may include a vinyl alcohol constituent unit x and a constituent unit z other than the vinyl alcohol constituent unit x and a vinyl ester constituent unit y, wherein a ratio of a content of an average sequence of the constituent unit z to a content of the constituent unit z is 50.0 mol % or less.
    Type: Application
    Filed: June 23, 2020
    Publication date: November 10, 2022
    Applicant: KURARAY CO., LTD.
    Inventors: Masahiro BABA, Yusuke SAEGUSA, Toshinori KATO
  • POLYVINYL ALCOHOL-BASED CROSSLINKED COPOLYMER
    Publication number: 20220081502
    Abstract: A polyvinyl alcohol-based crosslinked copolymer may include an unsaturated monocarboxylic acid-based structural unit, wherein an amount of carboxylate-forming structural units in the crosslinked copolymer is 1% by mole or more and 35% by mole or less with respect to all structural units constituting the crosslinked copolymer, and a solubility of the crosslinked copolymer in water is 90% or less.
    Type: Application
    Filed: December 26, 2019
    Publication date: March 17, 2022
    Applicant: KURARAY CO., LTD.
    Inventors: Yusuke SAEGUSA, Masahiro BABA, Toshinori KATO