Patents by Inventor Won-Bin Leem

Won-Bin Leem 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).

  • Oxazolidinone derivatives and a process for the preparation thereof
    Patent number: 6689779
    Abstract: The present invention relates to novel oxazolidinone derivatives, their pharmaceutically acceptable salts and a process for the preparation thereof. More particularly, the present invention relates to oxazolidinone derivatives having pyridine or pyrimidine moeity substituted by heterocycle and heteroaromaticcycle at 4-position of phenyl ring. The compounds of the present invention have wide antibacterial spectrum, superior antibacterial activity and low toxicity, such that the compound of this invention can be used as an antibacterial agent.
    Type: Grant
    Filed: November 27, 2002
    Date of Patent: February 10, 2004
    Assignee: Dong A Pharm. Co., Ltd.
    Inventors: Jae-Gul Lee, Won-Bin Leem, Jong-Hwan Cho, Sung-Hak Choi, Jong-Jin Lee, Sang-Kuk Park, Tae-Hoo Lee, Dong-Goo Kim, Hyun-Jung Sung
  • Novel oxazolidinone derivatives and a process for the preparation thereof
    Publication number: 20030166620
    Abstract: The present invention relates to novel oxazolidinone derivatives, their pharmaceutically acceptable salts and a process for the preparation thereof. More particularly, the present invention relates to oxazolidinone derivatives having pyridine or pyrimidine moeity substituted by heterocycle and heteroaromaticcycle at 4-position of phenyl ring. The compounds of the present invention have wide antibacterial spectrum, superior antibacterial activity and low toxicity, such that the compound of this invention can be used as an antibacterial agent.
    Type: Application
    Filed: November 27, 2002
    Publication date: September 4, 2003
    Inventors: Jae-Gul Lee, Won-Bin Leem, Jong-Hwan Cho, Sung-Hak Choi, Jong-Jin Lee, Sang-Kuk Park, Tae-Hoo Lee, Dong-Goo Kim, Hyun-Jung Sung