Patents by Inventor Jun Won BAEK

Jun Won BAEK 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: 20220062879
    Abstract: The present invention relates to a method for preparing a cocatalyst compound using an anhydrous hydrocarbon solvent, and a cocatalyst compound prepared thereby.
    Type: Application
    Filed: May 14, 2020
    Publication date: March 3, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Seok Pil Sa, Eun Ji Shin, Ki Soo Lee, Bun Yeoul Lee, Jun Won Baek, Hyun Ju Lee
  • Publication number: 20220049031
    Abstract: A ligand compound having a novel structure, a transition metal compound including the same, a catalyst composition including the transition metal compound, and a method of preparing an olefin polymer using the catalyst composition are disclosed herein. In some embodiments, the transition metal compound is represented by Formula 1. In some embodiments, the ligand compound is represented by Formula 2.
    Type: Application
    Filed: April 24, 2020
    Publication date: February 17, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Seul Ki Im, Eun Ji Shin, Seok Pil Sa, Ki Soo Lee, Bun Yeoul Lee, Jun Won Baek, Hyun Ju Lee
  • Patent number: 11148127
    Abstract: The present invention relates to a bisphosphine ligand compound, a chromium compound prepared using same, an ethylene oligomerization catalyst system containing the chromium compound, and an ethylene oligomer preparing method, wherein the bisphosphine ligand compound is suitable for mass production and commercial processes, allows extremely high activity to be compatible with excellent economical benefit, and increases selectivity for ethylene oligomerization reaction, thereby being able to be used to manufacture 1-hexene and/or 1-octene at high yield.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: October 19, 2021
    Assignees: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION, S-PRECIOUS CATALYSTS INC.
    Inventors: Bun Yeoul Lee, Tae Hee Kim, Hee Soo Park, Jun Won Baek, Su Jin Gwon, Sung Dong Kim
  • Publication number: 20210229084
    Abstract: The present invention relates to a bisphosphine ligand compound, a chromium compound prepared using same, an ethylene oligomerization catalyst system containing the chromium compound, and an ethylene oligomer preparing method, wherein the bisphosphine ligand compound is suitable for mass production and commercial processes, allows extremely high activity to be compatible with excellent economical benefit, and increases selectivity for ethylene oligomerization reaction, thereby being able to be used to manufacture 1-hexene and/or 1-octene at high yield.
    Type: Application
    Filed: June 3, 2019
    Publication date: July 29, 2021
    Applicants: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION, S-PRECIOUS CATALYSTS INC
    Inventors: Bun Yeoul LEE, Tae Hee KIM, Hee Soo PARK, Jun Won BAEK, Su Jin GWON, Sung Dong KIM