Patents by Inventor Myeong Yeon KEUM

Myeong Yeon KEUM 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).

  • Reactor
    Patent number: 10456707
    Abstract: The present invention relates to a reactor, and according to one aspect of the present invention, there is provided a reactor comprising a housing provided with a reaction space, a tube disposed inside the housing, an impeller provided inside the housing to allow reactants in the reaction space to flow into and out of the tube and a nozzle provided to spray a liquid from the reaction space toward the housing wall surface side.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: October 29, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Dae Hun Kim, Jun Won Choi, Seung Hyun Yoon, Ye Hoon Im, Chang Hoon Kang, Myeong Yeon Keum, Seong Gu Kim
  • Method for recovering phenol and acetone from cracking reaction product of bisphenol-A residue
    Patent number: 10358403
    Abstract: Disclosed is a method for recovering phenol and acetone from the cracking reaction product of bisphenol-A residue, by which economic feasibility and efficiency may be improved by utilizing a phenol/acetone purification process used for preparing bisphenol-A.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: July 23, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Sang-Beom Lee, Joon-Ho Shin, In-Yong Jeong, Jong-Hui Park, Myeong-Yeon Keum, Jeong-Ho Kim, Tae-Ho Kim
  • METHOD FOR RECOVERING PHENOL AND ACETONE FROM CRACKING REACTION PRODUCT OF BISPHENOL-A RESIDUE (As Amended)
    Publication number: 20180290954
    Abstract: Disclosed is a method for recovering phenol and acetone from the cracking reaction product of bisphenol-A residue, by which economic feasibility and efficiency may be improved by utilizing a phenol/acetone purification process used for preparing bisphenol-A.
    Type: Application
    Filed: December 7, 2016
    Publication date: October 11, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Sang-Beom LEE, Joon-Ho SHIN, In-Yong JEONG, Jong-Hui Park, Myeong-Yeon KEUM, Jeong-Ho KIM, Tae-Ho KIM
  • REACTOR
    Publication number: 20180272249
    Abstract: The present invention relates to a reactor, and according to one aspect of the present invention, there is provided a reactor comprising a housing provided with a reaction space, a tube disposed inside the housing, an impeller provided inside the housing to allow reactants in the reaction space to flow into and out of the tube and a nozzle provided to spray a liquid from the reaction space toward the housing wall surface side.
    Type: Application
    Filed: November 16, 2016
    Publication date: September 27, 2018
    Inventors: Dae Hun KIM, Jun Won CHOI, Seung Hyun YOON, Ye Hoon IM, Chang Hoon KANG, Myeong Yeon KEUM, Seong Gu KIM