Patents by Inventor Charles Maes

Charles Maes 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).

  • Modification of copper/iron selectivity in copper solvent extraction systems
    Publication number: 20060222580
    Abstract: A solvent extraction composition comprising one or more orthohydroxyarylaldoximes and/or one or more orthohydroxyarylketoximes, and one or more selectivity modifiers consisting of phosphinic and/or phosphonic acids, and salts and esters therefore and optionally one or more equilibrium modifiers is provided.
    Type: Application
    Filed: March 29, 2006
    Publication date: October 5, 2006
    Inventors: Owen Tinkler, Keith Cramer, Peter Tetlow, John Campbell, Charles Maes