Patents by Inventor Ha-Sik Youn

Ha-Sik Youn 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 treating bacterial infections using gemifloxacin or a salt thereof and a ?-lactam antibiotic
    Patent number: 7169792
    Abstract: The present invention relates to a method of treating anti-bacterial infections which method comprises the separate, simultaneous or sequential administration to a patient in need thereof, of an effective amount of gemifloxacin or a salt thereof and a ?-lactam antibiotic.
    Type: Grant
    Filed: November 29, 2002
    Date of Patent: January 30, 2007
    Assignee: LG Life Sciences Ltd.
    Inventors: Nancy Niconovich, Stephen Rittenhouse, Lynn McCloskey, Kyong-Sook Paek, Mu-Yong Kim, Ha-Sik Youn
  • Novel cephalosporin compounds and process for preparing the same
    Publication number: 20030166922
    Abstract: The present invention relates to a novel cephalosporin compound in which thiomethylthio chain is introduced into C-3 position of cephem ring and pharmaceutically acceptable non-toxic salt, physiologically hydrolysable ester, hydrate, solvate or isomer thereof. The present invention also relates to a pharmaceutical composition containing the compound and to a process for preparing the compound.
    Type: Application
    Filed: November 21, 2002
    Publication date: September 4, 2003
    Inventors: Yang-Rae Cho, Chang-Seok Lee, Seong-Ho Oh, Eun-Jung Ryu, Kyoung-Sook Paek, Ha-Sik Youn, Yong-Jin Jang, Geun-Tae Kim
  • Novel cephalosporin compounds and process for preparing the same
    Publication number: 20030162762
    Abstract: The present invention relates to a novel cephalosporin compound, and pharmaceutically acceptable non-toxic salt, physiologically hydrolysable ester, hydrate, solvate or isomer thereof, to a pharmaceutical composition containing the compound and to a process for preparing the compound.
    Type: Application
    Filed: November 21, 2002
    Publication date: August 28, 2003
    Inventors: Chang-Seok Lee, Seong-Ho Oh, Eun-Jung Ryu, Hyung-Yeul Joo, Ha-Sik Youn, Yong-Jin Jang, Geun-Tae Kim
  • Novel cephalosporin compounds and process for preparing the same
    Publication number: 20030162763
    Abstract: The present invention relates to a novel cephalosporin compound and pharmaceutically acceptable non-toxic salt, physiologically hydrolysable ester, hydrate, solvate or isomer thereof, to a pharmaceutical composition containing the compound and to a process for preparing the compound.
    Type: Application
    Filed: November 21, 2002
    Publication date: August 28, 2003
    Inventors: Chang-Seok Lee, Seong-Ho Oh, Eun-Jung Ryu, Seong-Baek Lee, Ha-Sik Youn, Yong-Jin Jang, Geun-Tae Kim, Hyang-Sook Lee