Patents by Inventor Taechan HA

Taechan HA 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).

  • Process for purifying an alkylene oxide composition
    Patent number: 11247975
    Abstract: Embodiments provide a process for purifying an alkylene oxide composition, which comprises (1) obtaining a crude alkylene oxide composition comprising an ionic component; (2) passing the crude alkylene oxide composition through a molecular sieve; and (3) obtaining a purified alkylene oxide composition. A purified alkylene oxide composition suitable for a subsequent process can be obtained.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: February 15, 2022
    Assignee: SK PICGLOBAL CO., LTD
    Inventors: Hanna Kim, Doojin Lee, Eun Su Lee, Taechan Ha, Dong Kyun Noh, Soo Hyun Park, Sungho Kim
  • PROCESS FOR PURIFYING AN ALKYLENE OXIDE COMPOSITION
    Publication number: 20210246111
    Abstract: Embodiments provide a process for purifying an alkylene oxide composition, which comprises (1) obtaining a crude alkylene oxide composition comprising an ionic component; (2) passing the crude alkylene oxide composition through a molecular sieve; and (3) obtaining a purified alkylene oxide composition. A purified alkylene oxide composition suitable for a subsequent process can be obtained.
    Type: Application
    Filed: July 16, 2018
    Publication date: August 12, 2021
    Applicant: SK Picglobal Co., Ltd.
    Inventors: Hanna KIM, Doojin LEE, Eun Su LEE, Taechan HA, Dong Kyun NOH, Soo Hyun PARK, Sungho KIM