Patents by Inventor Kyusik Um

Kyusik Um 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).

  • Method of preparing ezetimibe and intermediate thereof
    Patent number: 10414736
    Abstract: Disclosed is a method of preparing ezetimibe, including cross-metathesis using a Grubbs 2nd catalyst and deprotection using a Pearlman's catalyst, and an intermediate thereof. The method of preparing ezetimibe is useful as an efficient ezetimibe synthesis technique in pharmaceutical fields using ezetimibe as a raw material.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: September 17, 2019
    Assignee: Kangwon National University Industry Cooperation Foundation
    Inventors: Phil Ho Lee, Koo Yeon Lee, Yonghyeon Baek, Kyusik Um, Byeong Su Kim
  • METHOD OF PREPARING EZETIMIBE AND INTERMEDIATE THEREOF
    Publication number: 20190256479
    Abstract: Disclosed is a method of preparing ezetimibe, including cross-metathesis using a Grubbs 2nd catalyst and deprotection using a Pearlman's catalyst, and an intermediate thereof. The method of preparing ezetimibe is useful as an efficient ezetimibe synthesis technique in pharmaceutical fields using ezetimibe as a raw material.
    Type: Application
    Filed: September 28, 2018
    Publication date: August 22, 2019
    Applicant: Kangwon National University, University Industry Cooperation Foundation
    Inventors: Phil Ho Lee, Koo Yeon Lee, Yonghyeon Baek, Kyusik Um, Byeong Su Kim