Patents by Inventor Rueben Jasingam

Rueben Jasingam 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).

  • Selective recovery of precious metal(s)
    Publication number: 20040213715
    Abstract: A process for the selective removal of a least a portion of at least one precious metal in the form of a metal-cyanide complex from an ion-exchange resin to which the precious metal and at least one base metal-cyanide complex are bound, wherein the at least one precious metal is eluted from the resing by contacting the resin with an eluent comprising at least one counter-ion contained in a solvent selected from an organic solvent or a combination of an organic solvent and an aqueous solvent.
    Type: Application
    Filed: June 10, 2004
    Publication date: October 28, 2004
    Inventors: Frank Paul Lucien, Kenneth Chung Keong Lee, Rueben Jasingam, Tam Tran