Patents by Inventor La Young Choi

La Young Choi 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).

  • HYDROCARBON ADSORBENT
    Publication number: 20230173455
    Abstract: A hydrocarbon adsorbent according to one exemplary embodiment of the present invention includes a beta zeolite containing copper, in which a Si/Al molar ratio of the beta zeolite is 12.5 to 150, and the amount of the copper contained is 1 wt % to 10 wt %.
    Type: Application
    Filed: January 27, 2023
    Publication date: June 8, 2023
    Applicant: Korea University Research and Business Foundation
    Inventors: Chun Yong KANG, Chang Hwan KIM, Jungkyu CHOI, Eunhee JANG, Jin Seong KIM, La Young CHOI
  • Hydrocarbon adsorbent
    Patent number: 11666887
    Abstract: A hydrocarbon adsorbent includes a core-shell particle including a core and a shell surrounding the core, wherein the core includes ion-exchanged zeolite that is ion-exchanged with a metal other than silicon (Si) and aluminum (Al) and the shell includes a mesoporous metal oxide.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: June 6, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Chun Yong Kang, Chang Hwan Kim, Jungkyu Choi, Eun-Hee Jang, Jin Seong Kim, Hwiyoon Noh, La Young Choi
  • HYDROCARBON ADSORBENT AND METHOD OF PREPARING THE SAME
    Publication number: 20220152577
    Abstract: The present disclosure provides a hydrocarbon adsorbent including a core-shell particle including a core and a shell surrounding the core, wherein the core includes ion-exchanged zeolite that is ion-exchanged with a metal other than silicon (Si) and aluminum (Al) and the shell includes a mesoporous metal oxide.
    Type: Application
    Filed: June 28, 2021
    Publication date: May 19, 2022
    Inventors: Chun Yong Kang, Chang Hwan Kim, Jungkyu Choi, Eun-Hee Jang, Jin Seong Kim, Hwiyoon Noh, La Young Choi
  • Catalyst for Adsorbing Hydrocarbon and Hydrocarbon Trap Comprising the Same
    Publication number: 20220152600
    Abstract: A catalyst for adsorbing hydrocarbon includes a first catalyst configured to adsorb short-chain hydrocarbons and including zeolites having a pore size of about 0.30 nm to about 0.44 nm and a second catalyst configured to adsorb a long-chain hydrocarbon and including zeolites ion-exchanged with a transition metal. The catalyst can be coated on a substrate of a hydrocarbon trap.
    Type: Application
    Filed: June 24, 2021
    Publication date: May 19, 2022
    Inventors: Chun Yong Kang, Chang Hwan Kim, Jungkyu Choi, Eun-Hee Jang, Jin Seong Kim, Hwiyoon Noh, La Young Choi
  • HYDROCARBON ADSORBENT
    Publication number: 20200360891
    Abstract: A hydrocarbon adsorbent, according to one embodiment of the present invention, comprises a copper-containing ZSM-5 zeolite, wherein a Si/Al molar ratio of the ZSM-5 zeolite may be 11.5 to 40, and the amount of the copper included is 1 wt % to 10 wt %.
    Type: Application
    Filed: December 28, 2018
    Publication date: November 19, 2020
    Inventors: Chun Yong Kang, Chang Hwan Kim, Jungkyu Choi, Eun-Hee Jang, Jin Seong Kim, La Young Choi
  • HYDROCARBON ADSORBENT
    Publication number: 20200324268
    Abstract: A hydrocarbon adsorbent, according to one embodiment of the present invention, comprises a copper-containing ZSM-5 zeolite, wherein a Si/Al molar ratio of the ZSM-5 zeolite may be 11.5 to 40, and the amount of the copper included is 1 wt % to 10 wt %.
    Type: Application
    Filed: June 26, 2020
    Publication date: October 15, 2020
    Inventors: Chun Yong Kang, Chang Hwan Kim, Jungkyu Choi, Eun-Hee Jang, Jin Seong Kim, La Young Choi