Patents by Inventor Tomoka SHIROUCHI

Tomoka SHIROUCHI 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).

  • IONOMER RESIN, RESIN SHEET, AND LAMINATED GLASS
    Publication number: 20230025550
    Abstract: The present invention relates to an ionomer resin, comprising: a (meth)acrylic acid unit (A); a neutralized (meth)acrylic acid unit (B); and an ethylene unit (C), wherein the total amount of the unit (A) and the unit (B) is from 6 to 10 mol % based on the entire monomeric units constituting the ionomer resin, and wherein the amount of a salt composed of a strong acid and a strong base in the ionomer resin is from 1 to 400 mg/kg.
    Type: Application
    Filed: December 7, 2020
    Publication date: January 26, 2023
    Applicant: KURARAY CO., LTD.
    Inventors: Tomoka SHIROUCHI, Kenta TAKEMOTO, Takuro NIIMURA, Atsuhiro NAKAHARA, Yoshiaki ASANUMA
  • METHOD FOR PRODUCING IONOMER RESIN
    Publication number: 20230018856
    Abstract: The present invention relates to a method of manufacturing an ionomer resin, comprising the steps of: (i) adding a poor solvent to a crude ionomer resin solution comprising a (meth)acrylic acid unit (A), a neutralized (meth)acrylic acid unit (B) and an ethylene unit (C) to allow a granular resin with a peak top particle size of from 50 to 700 ?m to be precipitated; and (ii) washing the precipitated granular resin with a washing solution; wherein the total amount of the unit (A) and the unit (B) is from 6 to 10 mol % based on the entire monomeric units constituting the crude ionomer resin.
    Type: Application
    Filed: December 7, 2020
    Publication date: January 19, 2023
    Applicant: KURARAY CO., LTD.
    Inventors: Tomoka SHIROUCHI, Kenta TAKEMOTO, Takuro NIIMURA, Atsuhiro NAKAHARA, Yoshiaki ASANUMA