Patents by Inventor Hiroaki GOTOH

Hiroaki GOTOH 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).

  • Compound having polycyclic aromatic skeleton, and endoperoxide compound of same
    Patent number: 12065521
    Abstract: A radical polymerization method may use a compound having a polycyclic aromatic skeleton and an endoperoxide compound having a polycyclic aromatic skeleton. An endoperoxide compound may have a polycyclic aromatic skeleton of formula (1), and a compound may have a polycyclic aromatic skeleton, which is a raw material of the endoperoxide compound: wherein R is a C1-10 alkyl group, an alkoxymethyl group having a C1-5 alkoxy group, a C6-10 aryl group, an alkylcarbonyl group having a C1-10 alkyl group, an arylcarbonyl group having a C6-20 aryl group, an alkyloxycarbonyl group having a C1-10 alkyl group, an aryloxycarbonyl group having a C6-10 aryl group, an alkyloxycarbonylmethyl group having a C1-12 alkyl group or an aryloxycarbonylmethyl group having a C6-12 aryl group.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: August 20, 2024
    Assignees: Kawasaki Kasei Chemicals Ltd., National University Corporation YOKOHAMA National University
    Inventors: Shunichi Himori, Keita Iuchi, Akihiko Yamada, Hiroaki Gotoh, Kazuhisa Sakakibara
  • COMPOUND HAVING POLYCYCLIC AROMATIC SKELETON, AND ENDOPEROXIDE COMPOUND OF SAME
    Publication number: 20220127385
    Abstract: A radical polymerization method may use a compound having a polycyclic aromatic skeleton and an endoperoxide compound having a polycyclic aromatic skeleton. An endoperoxide compound may have a polycyclic aromatic skeleton of formula (1), and a compound may have a polycyclic aromatic skeleton, which is a raw material of the endoperoxide compound: wherein R is a C1-10 alkyl group, an alkoxymethyl group having a C1-5 alkoxy group, a C6-10 aryl group, an alkylcarbonyl group having a C1-10 alkyl group, an arylcarbonyl group having a C6-20 aryl group, an alkyloxycarbonyl group having a C1-10 alkyl group, an aryloxycarbonyl group having a C6-10 aryl group, an alkyloxycarbonylmethyl group having a C1-12 alkyl group or an aryloxycarbonylmethyl group having a C6-12 aryl group.
    Type: Application
    Filed: February 12, 2019
    Publication date: April 28, 2022
    Applicants: Kawasaki Kasei Chemicals Ltd., National University Corporation YOKOHAMA National University
    Inventors: Shunichi HIMORI, Keita IUCHI, Akihiko YAMADA, Hiroaki GOTOH, Kazuhisa SAKAKIBARA