Patents by Inventor MahnJung Kim

MahnJung Kim 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).

  • Patent number: 11148984
    Abstract: The present invention relates to a method of preparing an aromatic compound from acetylene, which includes synthesizing an aromatic compound from an acetylene-containing reactant gas in the presence of a zeolite catalyst for the aromatization of acetylene, and subjecting the zeolite catalyst deactivated by the coke formed in the aromatization of acetylene, to plasma treatment at ambient temperature and pressure so as to selectively remove the external cokes and partial internal coke, thereby regenerating the zeolite catalyst; a method of regenerating the zeolite catalyst used in the aromatization of acetylene by plasma treatment; and a regenerated zeolite catalyst for the aromatization of acetylene, prepared thereof.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: October 19, 2021
    Assignee: Industry-University Cooperation Foundation Sogang University
    Inventors: Kyoung-Su Ha, MahnJung Kim, Juchan Kim, Jaekwon Jeoung
  • Publication number: 20190262816
    Abstract: The present invention relates to a method of preparing an aromatic compound from acetylene, which includes synthesizing an aromatic compound from an acetylene-containing reactant gas in the presence of a zeolite catalyst for the aromatization of acetylene, and subjecting the zeolite catalyst deactivated by the coke formed in the aromatization of acetylene, to plasma treatment at ambient temperature and pressure so as to selectively remove the external cokes and partial internal coke, thereby regenerating the zeolite catalyst; a method of regenerating the zeolite catalyst used in the aromatization of acetylene by plasma treatment; and a regenerated zeolite catalyst for the aromatization of acetylene, prepared thereof.
    Type: Application
    Filed: February 28, 2019
    Publication date: August 29, 2019
    Inventors: Kyoung-Su Ha, MahnJung Kim, Juchan Kim, Jaekwon Jeoung