Patents by Inventor Si Yeon Han

Si Yeon Han 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 PREPARING TRIAZOLOPYRIMIDINONE DERIVATIVE
    Publication number: 20250034152
    Abstract: The present invention relates to a method for preparing a triazolopyrimidinone derivative exhibiting tankyrase inhibitory activity and an intermediate thereof. The preparation method of the present invention can improve reaction efficiency through the development of efficient processes and can prepare a triazolopyrimidinone derivative compound with high purity and high yield, and thus is economical and suitable for mass production.
    Type: Application
    Filed: December 1, 2021
    Publication date: January 30, 2025
    Applicant: ST PHARM CO., LTD.
    Inventors: Kyung Jin Kim, Uk-Il Kim, Hyuang Tae Bang, Seul Ki Lee, Si Yeon Han
  • OLIGONUCLEOTIDE FOR 5'-CAPPED RNA SYNTHESIS
    Publication number: 20230382943
    Abstract: The present invention relates to a novel oligonucleotide primer used for the synthesis of 5?-capped RNA. The novel oligonucleotide primer for RNA capping provided as Formula 1 in the present invention can be usefully utilized in the fields of nucleic acid therapeutic agents or vaccines.
    Type: Application
    Filed: October 19, 2021
    Publication date: November 30, 2023
    Applicant: ST PHARM CO., LTD.
    Inventors: Kyung Jin Kim, Kang Hyun Choi, Uk-Il Kim, Hyung Tae Bang, Seul Ki Lee, Si Yeon Han
  • PYRROLOPYRIDINE DERIVATIVE AND USE THEREOF
    Publication number: 20230373994
    Abstract: The present invention relates to a pyrrolopyridine derivative, a racemate thereof, a stereoisomer thereof, or a pharmaceutically acceptable salt thereof, and use thereof. The compound of the present invention has high selectivity and bioactivity against human immunodeficiency virus (HIV), and low toxicity, thus being useful as a therapeutic agent for viral infection, particularly human immunodeficiency virus (HIV) infection.
    Type: Application
    Filed: August 20, 2021
    Publication date: November 23, 2023
    Applicant: ST PHARM CO., LTD.
    Inventors: Kyungjin Kim, Uk-Il Kim, Hyung Tae Bang, Seul Ki Lee, Si Yeon Han