Patents by Inventor Won Seok HAM

Won Seok HAM 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).

  • Preparation method for pyrimidine-2-amine
    Patent number: 12729185
    Abstract: The present invention relates to a preparation method for pyrimidine-2-amine and, more specifically, to a method for preparing a pyrimidine-2-amine compound via a pyrimidine-2-iminium salt intermediate by using a nucleophilic imine-type reagent, in which various amino functional groups are selectively introduced at position No. 2 of pyrimidine.
    Type: Grant
    Filed: September 19, 2022
    Date of Patent: September 8, 2026
    Assignees: INSTITUTE FOR BASIC SCIENCE, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sukbok Chang, Won Seok Ham, Jianbo Zhang, Hoonchul Choi
  • PREPARATION METHOD FOR PYRIMIDINE-2-AMINE
    Publication number: 20240383863
    Abstract: The present invention relates to a preparation method for pyrimidine-2-amine and, more specifically, to a method for preparing a pyrimidine-2-amine compound via a pyrimidine-2-iminium salt intermediate by using a nucleophilic imine-type reagent, in which various amino functional groups are selectively introduced at position No. 2 of pyrimidine.
    Type: Application
    Filed: September 19, 2022
    Publication date: November 21, 2024
    Applicants: INSTITUTE FOR BASIC SCIENCE, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sukbok CHANG, Won Seok HAM, Jianbo ZHANG, Hoonchul CHOI