Patents by Inventor Yuko Toba

Yuko Toba 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).

  • Patent number: 11964042
    Abstract: Provided is an additive for a chemical agent, which is capable of improving the functions of various chemical agents. The additive for a chemical agent according to an embodiment of the present invention includes a polymer (I) containing 50 mol % to 100 mol % of a structural unit derived from an N-vinyl lactam-based monomer with respect to 100 mol % of structural units derived from all monomers, the additive for a chemical agent having an average particle diameter of 100 ?m or less in a state of having been dried under a reduced pressure of 0.02 MPa or less at 100° C. for 1 hour.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: April 23, 2024
    Assignee: NIPPON SHOKUBAI CO., LTD.
    Inventors: Yui Ikemoto, Yuko Toba, Masahiro Nakanosho, Hirokazu Niwa
  • Publication number: 20220202688
    Abstract: Provided is an additive for a chemical agent, which is capable of improving the functions of various chemical agents. The additive for a chemical agent according to an embodiment of the present invention includes a polymer (I) containing 50 mol % to 100 mol % of a structural unit derived from an N-vinyl lactam-based monomer with respect to 100 mol % of structural units derived from all monomers, the additive for a chemical agent having an average particle diameter of 100 ?m or less in a state of having been dried under a reduced pressure of 0.02 MPa or less at 100° C. for 1 hour.
    Type: Application
    Filed: April 27, 2020
    Publication date: June 30, 2022
    Applicant: NIPPON SHOKUBAI CO., LTD.
    Inventors: Yui Ikemoto, Yuko Toba, Masahiro Nakanosho, Hirokazu Niwa