Patents by Inventor Hyun-Sub LIM

Hyun-Sub LIM 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).

  • Catalyst for preparing acrolein and acrylic acid, and preparation method thereof
    Patent number: 10857525
    Abstract: The present invention relates to a catalyst for preparing acrolein and acrylic acid, and a preparation method thereof. The catalyst according to the present invention can be uniformly packed in a reactor and the collapse of the catalyst can be minimized because it has excellent mechanical properties, and it can be stably used for a long period of time.
    Type: Grant
    Filed: May 26, 2014
    Date of Patent: December 8, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hyun-Sub Lim, Duk-Ki Kim, Hyun-Jong Shin, Ju-Yeon Park, Byung-Yul Choi, Young-Hyun Choe
  • CATALYST FOR PREPARING ACROLEIN AND ACRYLIC ACID, AND PREPARATION METHOD THEREOF (AS AMENDED)
    Publication number: 20160001270
    Abstract: The present invention relates to a catalyst for preparing acrolein and acrylic acid, and a preparation method thereof. The catalyst according to the present invention can be uniformly packed in a reactor and the collapse of the catalyst can be minimized because it has excellent mechanical properties, and it can be stably used for a long period of time.
    Type: Application
    Filed: May 26, 2014
    Publication date: January 7, 2016
    Inventors: Hyun-Sub LIM, Duk-Ki KIM, Hyun-Jong SHIN, Ju-Yeon PARK, Byung-Yul CHOI, Young-Hyun CHOE
  • RING-SHAPED CATALYST FOR PREPARING ACROLEIN AND ACRYLIC ACID, AND USE THEREOF (As Amended)
    Publication number: 20150367329
    Abstract: The present invention relates to a catalyst for preparing acrolein and acrylic acid, and use of the same. The catalyst according to the present invention can be uniformly packed in the reactor and collapse of the catalyst can be minimized because it has excellent mechanical properties, and it can lower initial pressure of the reaction by securing stable pore spaces and can be stably used for a long period of time. In addition, the preparation method of acrolein and acrylic acid according to the present invention can provide more improved production efficiency by using the catalyst.
    Type: Application
    Filed: May 26, 2014
    Publication date: December 24, 2015
    Applicant: LG CHEM. LTD.
    Inventors: Hyun-Sub LIM, Hyun-Jong SHIN, Ju-Yeon PARK, Byung-Yul CHOI, Young-Hyun CHOE, Duk-Ki KIM