Patents by Inventor Victor E. Nanthakumar

Victor E. Nanthakumar 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).

  • Purification of metals from mixtures thereof
    Patent number: 7044995
    Abstract: A process for preparing a pure PGM (platinum group metal) from a material containing a plurality of PGM compounds, wherein the PGM is selected from the group consisting of Pt, Pd, Os, Ir, Ru, Rh and Re, and the process includes initially forming the PGM in activated form by reduction of PGM ions in aqueous solution at pH 6–8 by a reducing agent, preferably, hydrogen.
    Type: Grant
    Filed: November 7, 2003
    Date of Patent: May 16, 2006
    Assignee: PGM Refining Inc.
    Inventors: Kamran M. Khozan, Dmitri S. Terekhov, Victor E. Nanthakumar, Sergiy Kovtun
  • Purification of metals from mixtures thereof
    Publication number: 20040093986
    Abstract: A process for preparing a pure PGM (platinum group metal) from a material containing a plurality of PGM compounds, wherein the PGM is selected from the group consisting of Pt, Pd, Os, Ir, Ru, Rh and Re, and the process includes initially forming the PGM in activated form by reduction of PGM ions in aqueous solution at pH 6-8 by a reducing agent, preferably, hydrogen.
    Type: Application
    Filed: November 7, 2003
    Publication date: May 20, 2004
    Inventors: Kamran M. Khozan, Dmitri S. Terekhov, Victor E. Nanthakumar, Sergiy Kovtun