Patents by Inventor Robert John Summer

Robert John Summer 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).

  • Solvent Extraction Process
    Publication number: 20150240330
    Abstract: A process for extracting uranium from an acidic uranium, chloride, iron and sulphate containing solution, including the steps: a. contacting the solution with an organic phase containing a trialkylphosphine oxide to form a uranium loaded organic phase; b. scrubbing the uranium loaded organic phase to remove any impurities and form a scrubbed organic phase; c. stripping the scrubbed organic phase with an acidic sulphate solution to produce an aqueous uranium strip solution; and precipitating a uranium product from the aqueous uranium strip solution.
    Type: Application
    Filed: September 13, 2013
    Publication date: August 27, 2015
    Applicant: BHP Billiton Olympic Dam Pty 29
    Inventors: Kym Anthony Dudley, Robert John Summer