Patents by Inventor Young Sun CHOE

Young Sun CHOE 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).

  • Additive for epoxy adhesive and epoxy adhesive composition for construction including same
    Patent number: 11618840
    Abstract: In an additive for an epoxy adhesive and an epoxy adhesive composition for construction including same, the additive for an epoxy adhesive is formed by atomic transfer radical polymerization (ATRP) of a polyacrylate of which one terminal is halogenated, as an arm-polymer, and a diacrylate-based compound or a dimethacrylate-based compound, as a cross-linker, and comprises a star polymer of a star-shape having a core/shell structure including a core formed by the polymerization of the cross-linker and a shell formed by a portion of the arm-polymer.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: April 4, 2023
    Assignees: PUSAN NATIONAL UNIERSITY INDUSTRY-UNIVERSITY COOPERRATION FOUNDATION, KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Young Sun Choe, Joona Bang, Jun Soo Moon
  • ADDITIVE FOR EPOXY ADHESIVE AND EPOXY ADHESIVE COMPOSITION FOR CONSTRUCTION INCLUDING SAME
    Publication number: 20200248049
    Abstract: In an additive for an epoxy adhesive and an epoxy adhesive composition for construction including same, the additive for an epoxy adhesive is formed by atomic transfer radical polymerization (ATRP) of a polyacrylate of which one terminal is halogenated, as an arm-polymer, and a diacrylate-based compound or a dimethacrylate-based compound, as a cross-linker, and comprises a star polymer of a star-shape having a core/shell structure including a core formed by the polymerization of the cross-linker and a shell formed by a portion of the arm-polymer.
    Type: Application
    Filed: May 9, 2018
    Publication date: August 6, 2020
    Inventors: Young Sun CHOE, Joona BANG, Jun Soo MOON