Patents by Inventor Atsushi KOJYOU

Atsushi KOJYOU 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).

  • METHOD FOR PRODUCING SODIUM SALT OF PHENOL COMPOUND AND BISPHOSPHITE COMPOUND
    Publication number: 20220251122
    Abstract: An object of the present invention is to efficiently produce a target sodium salt from a phenol compound having two or more phenolic hydroxyl groups in a short time and at a high yield. The present invention relates to a method for producing a sodium salt of a phenol compound, including a step of mixing a phenol compound solution in which a phenol compound having two or more phenolic hydroxyl groups is dissolved and a sodium dispersion liquid in which sodium particles are dispersed.
    Type: Application
    Filed: April 26, 2022
    Publication date: August 11, 2022
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Takashi SATO, Atsushi KOJYOU, Yoshiyuki TANAKA