Patents by Inventor Yongseo PARK

Yongseo 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).

  • CRYSTALLINE SALT OF ERIBULIN
    Publication number: 20230234961
    Abstract: An eribulin salt formed by combining an eribulin free base with a low molecular weight amine compound through a diacid compound is disclosed. As the diacid compound, edisylic acid, 1,5-naphthalenedisulfonic acid, trans-2-butene-1,4-dicarboxylic acid, pyrophosphoric acid, and combination thereof may be employed. As the amine, ammonia, cyclohexylamine, dicyclohexylamine, and a combination thereof may be employed. The eribulin salt can be crystallized by recrystallization to produce a crystalline eribulin salt with increased purity.
    Type: Application
    Filed: May 6, 2021
    Publication date: July 27, 2023
    Applicant: YONSUNG FINE CHEMICAL CO., LTD.
    Inventors: Areum BAEK, Hyunik SHIN, Yongseo PARK, Seongtaek KIM, Seunghui SIN