Patents by Inventor Dong Joon Choo

Dong Joon Choo 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).

  • 3,4-dihydroquinazoline derivatives
    Patent number: 8168646
    Abstract: Disclosed are 3,4-dihydroquinazoline derivatives of formula (I), a process of preparing them and a pharmaceutical composition including them.
    Type: Grant
    Filed: May 6, 2008
    Date of Patent: May 1, 2012
    Assignee: Dongwoo Syntech Co., Ltd.
    Inventors: Jae Yeol Lee, Dong Joon Choo, Young Deuk Kim, Chun Rim Oh
  • 3,4-DIHYDROQUINAZOLINE DERIVATIVES
    Publication number: 20100120803
    Abstract: The present invention relates to 3,4-dihydroquinazoline derivatives, a process of preparing them and a pharmaceutical composition including them. The 3,4-dihydroquinazoline derivatives of the present invention have excellent T-type calcium channel blocking effect and anti-cancer activity.
    Type: Application
    Filed: May 6, 2008
    Publication date: May 13, 2010
    Applicant: DONGWOO SYNTECH CO., LTD.
    Inventors: Jae Yeol Lee, Dong Joon Choo, Young Deuk Kim, Chun Rim Oh