Patents by Inventor Yeon Im Lee

Yeon Im Lee 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).

  • NOVEL HETEROCYCLIC AMINE DERIVATIVE AND PHARMACEUTICAL COMPOSITION COMPRISING SAME
    Publication number: 20220064155
    Abstract: The present disclosure relates to a novel heterocyclic amine derivative represented by the following Chemical Formula 1 and a pharmaceutical composition comprising the same, and the compound according to the present disclosure can be usefully used for the prevention or treatment of autoimmune diseases or cancers. wherein, in Chemical Formula 1, R1, R2, X1, X2, L, Y, A and B are the same as defined in the specification.
    Type: Application
    Filed: August 27, 2019
    Publication date: March 3, 2022
    Inventors: Wol Young Kim, Yeon Im Lee, Youn Jung Yoon, Joon Seok Park, Deok Ki Eom, Keuk-Chan Bang, Jaehyun Jung
  • 4-methoxy pyrrole derivatives or salts thereof and pharmaceutical composition comprising the same
    Patent number: 10100010
    Abstract: The present invention provides a 4-methoxy pyrrole derivative or a pharmaceutically acceptable salt thereof, a preparation method thereof, and a pharmaceutical composition containing the same. The 4-methoxy pyrrole derivatives or pharmaceutically acceptable salts thereof according to the present invention have not only excellent proton pump inhibitory activity, gastric damage-inhibiting activity and defensive factor-enhancing effects, but also excellent eradication activity against H. pylori. Therefore, the 4-methoxy pyrrole derivatives or pharmaceutically acceptable salts thereof can be effectively used for the prevention and treatment of gastrointestinal damage due to gastrointestinal tract ulcer, gastritis, reflux esophagitis or H. pylori.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: October 16, 2018
    Assignee: Daewoong Pharmaceutical Co., Ltd.
    Inventors: Chun Ho Lee, Seung Chul Lee, Yeon Im Lee, Deok Ki Eom, Mi Ryeong Han, Eun Ji Koh
  • Tetrahydrocyclopentapyrrole derivatives and a method for preparing the same
    Patent number: 10039747
    Abstract: The present invention provides tetrahydrocyclopentapyrrole derivatives that can be used for preventing or treating peptic ulcer, gastritis or reflux esophagitis, a method for preparing the same, and a pharmaceutical composition containing the same.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: August 7, 2018
    Assignee: Daewoong Pharmaceutical Co., Ltd.
    Inventors: Kyung A Yu, Ji Sung Yoon, Deok Ki Eom, Yeon Im Lee, Mi Ryeong Han, Jun Hee Lee, Ha Nee Seo, Ji Duck Kim, Sang Ho Lee
  • Sulfonylindole derivatives and method for preparing the same
    Patent number: 9676714
    Abstract: Disclosed are a sulfonylindole derivative useful for the prevention or treatment of peptic ulcer, gastritis or reflux esophagitis, a method of preparing the same, and a pharmaceutical composition containing the same.
    Type: Grant
    Filed: October 2, 2014
    Date of Patent: June 13, 2017
    Assignee: Daewoong Pharmaceutical Co., Ltd.
    Inventors: Kyung A Yu, Ji Sung Yoon, Deok Ki Eom, Yeon Im Lee, Hye Ryun Shin, Jun Hee Lee, Ha Nee Seo, Ji Duck Kim, Sang Ho Lee, Chun Ho Lee
  • SULFONYLINDOLE DERIVATIVES AND METHOD FOR PREPARING THE SAME
    Publication number: 20160221946
    Abstract: Disclosed are a sulfonylindole derivative useful for the prevention or treatment of pepetic ulcer, gastritis or reflux esophagitis, a method of preparing the same, and a pharmaceutical composition containing the same.
    Type: Application
    Filed: October 2, 2014
    Publication date: August 4, 2016
    Inventors: Kyung A. YU, Ji Sung YOON, Deok Ki EOM, Yeon Im LEE, Hye Ryun SHIN, Jun Hee LEE, Ha Nee SEO, Ji Duck KIM, Sang Ho LEE, Chun Ho LEE
  • Tetrahydrocyclopentapyrrole Derivatives and a Method for Preparing the Same
    Publication number: 20160200681
    Abstract: The present invention provides tetrahydrocyclopentapyrrole derivatives that can be used for preventing or treating peptic ulcer, gastritis or reflux esophagitis, a method for preparing the same, and a pharmaceutical composition containing the same.
    Type: Application
    Filed: August 29, 2014
    Publication date: July 14, 2016
    Applicant: DAEWOONG PHARMACEUTICAL CO., LTD.
    Inventors: Kyung A Yu, Ji Sung Yoon, Deok Ki Eom, Yeon Im Lee, Mi Ryeong Han, Jun Hee Lee, Ha Nee Seo, Ji Duck Kim, Sang Ho Lee