Patents by Inventor Seonghoon HYEONG

Seonghoon HYEONG 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).

  • Publication number: 20230399273
    Abstract: The present invention provides a continuous preparation method of cyclododecatriene including: preparing a reaction composition by mixing butadiene, a main catalyst, and a co-catalyst with a toluene solvent; and allowing the reaction composition to react at a reaction pressure higher than a vapor pressure of the butadiene, and a cyclododecatriene composition prepared by the continuous preparation method.
    Type: Application
    Filed: October 27, 2021
    Publication date: December 14, 2023
    Applicant: HANWHA SOLUTIONS CORPORATION
    Inventors: Seonghoon HYEONG, Jinho PARK, Namjin JANG
  • Publication number: 20230073615
    Abstract: The present invention relates to a laurolactam preparation method and synthesis apparatus, and epoxidation and a rearrangement reaction are performed in the conversion of cyclododecene into cyclododecanone so that the preparation method can synthesize laurolactam having a higher purity with a higher selectivity and in a higher yield than a conventional preparation method.
    Type: Application
    Filed: November 11, 2022
    Publication date: March 9, 2023
    Inventors: Jiyeon KIM, Youngjin Kim, Jeongseok Park, Jinho Park, Hyun Seo, Seonghoon Hyeong, Kyuho Song
  • Patent number: 11535591
    Abstract: The present invention relates to a laurolactam preparation method and synthesis apparatus, and epoxidation and a rearrangement reaction are performed in the conversion of cyclododecene into cyclododecanone so that the preparation method can synthesize laurolactam having a higher purity with a higher selectivity and in a higher yield than a conventional preparation method.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: December 27, 2022
    Assignee: DOOSAN ENERBILITY CO., LTD.
    Inventors: Jiyeon Kim, Youngjin Kim, Jeongseok Park, Jinho Park, Hyun Seo, Seonghoon Hyeong, Kyuho Song
  • Publication number: 20220024868
    Abstract: The present invention relates to a laurolactam preparation method and synthesis apparatus, and epoxidation and a rearrangement reaction are performed in the conversion of cyclododecene into cyclododecanone so that the preparation method can synthesize laurolactam having a higher purity with a higher selectivity and in a higher yield than a conventional preparation method.
    Type: Application
    Filed: December 18, 2019
    Publication date: January 27, 2022
    Inventors: Jiyeon KIM, Youngjin KIM, Jeongseok PARK, Jinho PARK, Hyun SEO, Seonghoon HYEONG, Kyuho SONG