Patents by Inventor Eol Han

Eol Han 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: 11952339
    Abstract: Provided is a method of recovering unreacted ethylene in an ethylene oligomerization process and reusing the ethylene as a raw material, and more particularly, to a method of recovering unreacted ethylene with an increased recovery rate of reuse. When the method of the present invention is used, most of unreacted ethylene may be dissolved in a solvent to be recovered without loss, and a low boiling point reaction product which is not dissolved in the solvent is removed to prevent an unreacted product from being concentrated in a reactor.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: April 9, 2024
    Assignees: SK Innovation Co., Ltd., SK Geo Centric Co., Ltd.
    Inventors: Chansaem Park, Jinhwan Bang, Sungreal Son, Inhyoup Song, Woosung Jung, Eol Han
  • Publication number: 20230211577
    Abstract: Proposed is a composite material with a helical structure and, more particularly, a composite material with a helical structure that has a vibration absorption property. The composite material includes a laminated structure formed by stacking a plurality of sheet layers on top of each other.
    Type: Application
    Filed: December 7, 2022
    Publication date: July 6, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Sang Won Lim, Sang Beom Park, Sang Jae Yoon, ChiI Hoon Choi, Eol Han, In Sun Lee
  • Publication number: 20220267235
    Abstract: Provided is a method of recovering unreacted ethylene in an ethylene oligomerization process and reusing the ethylene as a raw material, and more particularly, to a method of recovering unreacted ethylene with an increased recovery rate of reuse. When the method of the present invention is used, most of unreacted ethylene may be dissolved in a solvent to be recovered without loss, and a low boiling point reaction product which is not dissolved in the solvent is removed to prevent an unreacted product from being concentrated in a reactor.
    Type: Application
    Filed: July 22, 2020
    Publication date: August 25, 2022
    Inventors: Chansaem Park, Jinhwan Bang, Sungreal Son, Inhyoup Song, Woosung Jung, Eol Han