Patents by Inventor Kwan M. Kim

Kwan M. Kim 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).

  • Platinum complexes of malonic acid derivatives and process for the preparation thereof
    Patent number: 5426203
    Abstract: Novel platinum complexes wherein malonate derivative is the anion ligand are provided with processes for preparation thereof. The complexes of the present invention have excellent antitumor effect and low toxicity.
    Type: Grant
    Filed: January 7, 1994
    Date of Patent: June 20, 1995
    Assignee: Korea Institute of Science and Technology
    Inventors: Youn S. Sohn, Ok S. Jung, Young A. Lee, Kwan M. Kim
  • Anti-tumor platinum(II) complexes and process for the preparation thereof
    Patent number: 5142075
    Abstract: The present invention relates to anti-tumor platinum complexes represented by the general formula I: ##STR1## wherein A is selected from the group consisting of ammine and mondentate primary alkyl- and cycloalkylamines having 1-3 carbon atoms such as methyl, ethyl, n-propyl-, isopropyl- and cyclopropylamines, or the two amine groups may be combined to be a bidentate diamine of the chelating form AA such as ethylenediamine, 1,2-diaminocyclohexane, and 2-hydroxy-1,3-diaminopropane, and X is either vinylene(--CH.dbd.CH--) or ethylene (--CH.sub.2 --CH.sub.2 --) when it is bound to two sulfur atoms in a cyclic form or represents two methyl groups separately bound to each sulfur atom.
    Type: Grant
    Filed: November 22, 1991
    Date of Patent: August 25, 1992
    Assignee: Korea Institute of Science and Technology
    Inventors: Youn S. Sohn, Kwan M. Kim