Patents by Inventor Ah Byeol PARK

Ah Byeol PARK 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 INTERMEDIATE FOR SYNTHESIS OF XANTHINE OXIDASE INHIBITOR
    Publication number: 20240352001
    Abstract: The present invention relates to a novel method for preparing an intermediate of Chemical Formula 3, wherein the intermediate can be effectively used in the synthesis of a xanthine oxidase inhibitor.
    Type: Application
    Filed: April 26, 2022
    Publication date: October 24, 2024
    Applicant: LG CHEM, LTD.
    Inventors: In Ae RYU, Ju Young LEE, Joo Yong YOON, Seok Ju LEE, Ah Byeol PARK, Ki Dae KIM, Hui Rak JEONG
  • METHOD FOR PREPARING INTERMEDIATE FOR SYNTHESIS OF XANTHINE OXIDASE INHIBITOR
    Publication number: 20240317685
    Abstract: The present invention relates to a method for preparing an intermediate for synthesis of a xanthine oxidase inhibitor and, more specifically, to a method for preparing compounds of chemical formulas 2 and 4 by using low-priced starting materials and ligands and employing chelating extraction and purification techniques.
    Type: Application
    Filed: July 1, 2022
    Publication date: September 26, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Seok Ju LEE, Ah Byeol PARK, Ju Yeol LEE, Ki Dae KIM, Hui Rak JEONG
  • METHOD FOR PREPARING INTERMEDIATE FOR SYNTHESIS OF XANTHINE OXIDASE INHIBITOR
    Publication number: 20240262809
    Abstract: The present invention relates to a novel method for preparing an intermediate of Chemical Formula 2, wherein the intermediate can be effectively used in the synthesis of a xanthine oxidase inhibitor.
    Type: Application
    Filed: April 26, 2022
    Publication date: August 8, 2024
    Applicant: LG CHEM, LTD.
    Inventors: In Ae RYU, Ju Young LEE, Joo Yong YOON, Seok Ju LEE, Ah Byeol PARK, Ki Dae KIM, Hui Rak JEONG
  • METHOD FOR PREPARING XANTHINE OXIDASE INHIBITOR
    Publication number: 20240239768
    Abstract: The present invention relates to a novel preparation method that can be advantageously utilized for the synthesis of a xanthine oxidase inhibitor of Chemical Formula 1.
    Type: Application
    Filed: April 26, 2022
    Publication date: July 18, 2024
    Applicant: LG CHEM, LTD.
    Inventors: In Ae RYU, Ju Young LEE, Joo Yong YOON, Seok Ju LEE, Ah Byeol PARK, Ki Dae KIM, Hui Rak JEONG
  • METHOD FOR PREPARING CRYSTALLINE PARTICLES OF 1-(3-CYANO-1-ISOPROPYL-INDOLE-5-YL)PYRAZOLE-4-CARBOXYLIC ACID, AND PHARMACEUTICAL COMPOSITION COMPRISING SAME
    Publication number: 20240000750
    Abstract: The present invention relates to a pharmaceutical composition comprising crystalline particles comprising the compound of Formula 1 or a pharmaceutically acceptable salt thereof comprising the compound of Formula 2 below in an amount of 0.2 wt. % or less. The crystalline particles according to the present invention, have a size, shape and distribution that improve uniformity and flowability as well as being optimized for input into the preparation process of the finished drug product, thereby increasing the content uniformity in the preparation process of the finished product and minimizing breakage during compressing into tablets, and thus can be used as a raw material pharmaceutical product suitable for the preparation process of the finished drug product.
    Type: Application
    Filed: November 2, 2021
    Publication date: January 4, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Seok Ju LEE, Ah Byeol PARK, Hui Rak JEONG, Jinok HAM, Doosup SHIN
  • PRODRUG OF CASPASE INHIBITOR
    Publication number: 20220227743
    Abstract: The present invention relates to: an isooxazoline derivative having an ester moiety, the isoxazoline derivative being a prodrug of a caspase inhibitor, and a pharmaceutical composition containing same.
    Type: Application
    Filed: April 29, 2020
    Publication date: July 21, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Sei Hyun CHOI, Sung Won KIM, Jeong Uk SONG, Jae Uk BAEK, Hyun Seo PARK, Ah Byeol PARK, Jeong Ae KIM, So Yeong KANG, Hee Jeong MOON
  • PRODRUG OF CASPASE INHIBITOR
    Publication number: 20220213082
    Abstract: The present invention relates to a lactone moiety-bearing isooxazoline derivative, which is a prodrug of a caspase inhibitor, and a pharmaceutical composition comprising same.
    Type: Application
    Filed: April 17, 2020
    Publication date: July 7, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Sei Hyun CHOI, Jeong Uk SONG, Ah Byeol PARK, Jung Joon KIM, Hyun Seo PARK