Patents by Inventor Hee Sock Park

Hee Sock Park 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).

  • Patent number: 8178525
    Abstract: Disclosed are novel oxazolidinone derivatives with cyclic amidoxime or cyclic amidrazone group, pharmaceutically acceptable salts thereof, methods for preparing the same and pharmaceutical compositions containing the same. The oxazolidinone derivatives with cyclic amidoxime or cyclic amidrazone group or the pharmaceutically acceptable salts thereof can be effectively used for the treatment of thromboembolism and tumor as an anticoagulant based on the inhibition of factor Xa.
    Type: Grant
    Filed: June 5, 2009
    Date of Patent: May 15, 2012
    Assignee: Legochem Bioscience Ltd.
    Inventors: Ho Young Song, Young Lag Cho, Dae Yon Lee, Hee Sock Park, Sung Yoon Baek, Sang Eun Chae, Sang Hui Jo, Yeon Ok Kim, Hyang Sook Lee, Ju Hyun Park, Tae Kyo Park, Sung Ho Woo, Yong Zu Kim
  • Publication number: 20110112083
    Abstract: The present invention relates to novel oxazolidinone derivatives with cyclic amidoxime or cyclic amidrazone group, pharmaceutically acceptable salts thereof, methods for preparing the same and pharmaceutical compositions comprising the same. The oxazolidinone derivatives with cyclic amidoxime or cyclic amidrazone group or the pharmaceutically acceptable salts thereof can be effectively used for the treatment of thromboembolism and tumor as an anticoagulant based on the inhibition of factor Xa.
    Type: Application
    Filed: June 5, 2009
    Publication date: May 12, 2011
    Applicant: LEGOCHEM BIOSCIENCE LTD.
    Inventors: Ho Young Song, Young Lag Cho, Dae Yon Lee, Hee Sock Park, Sung Yoon Baek, Sang Eun Chae, Sang Hui Jo, Yeon Ok Kim, Hyang Sook Lee, Ju Hyun Park, Tae Kyo Park, Sung Ho Woo, Yong Zu Kim
  • Patent number: 5849915
    Abstract: The object of this invention is to provide novel buprenorphine analgesic analogues represented by following formula(I) and their non-toxic pharmaceutically acceptable salts. ##STR1## wherein R.sub.1 is hydrogen atom, methyl, ethyl, cyclopropyl or cyclobutyl; andR.sub.2 is cyclopropyl or cyclobutyl.
    Type: Grant
    Filed: May 21, 1997
    Date of Patent: December 15, 1998
    Assignee: Dong Kook Pharmaceutical Company, Ltd.
    Inventors: Yong Hae Kim, Jin Kyu Park, Kwon Kim, Hee Sock Park
  • Patent number: 5817808
    Abstract: The object of the present invention is to provide an improved process for preparing benzodiazepine-3-alkyl carboxylate of formula(I) and its pharmaceutically acceptable salts and esters. ##STR1## wherein R.sup.1 is methyl, ethyl or isopropyl;R.sup.2 and R.sup.3 are each independently hydrogen or C.sub.1 -C.sub.6 lower alkyl;R.sup.4 is hydrogen, halogen or trifluoromethyl;carbon atom denoted as c has the S-- or R, S-- configuration.
    Type: Grant
    Filed: September 8, 1997
    Date of Patent: October 6, 1998
    Assignee: Dong Kook Pharmaceutical Company, Inc.
    Inventors: Yong Hae Kim, Jin Kyu Park, Kwon Kim, Hee Sock Park