Patents by Inventor Derek W. Bailey

Derek W. Bailey 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 and electrowinning of zinc and copper from sulfate solution
    Patent number: 3989607
    Abstract: A process for separating zinc and copper values from an aqueous solution of copper and zinc salts having a pH of between about 0.5 and 6 is provided comprising:A. contacting said aqueous solution with the copper salt of di-(2-ethylhexyl) phosphoric acid to form a zinc-containing organic phase and a copper-containing aqueous phase;B. separating said zinc-containing organic phase from said copper-containing aqueous phase; andC. stripping said organic phase to form a solution of a zinc salt and di-(2-ethylhexyl) phosphoric acid.
    Type: Grant
    Filed: August 21, 1975
    Date of Patent: November 2, 1976
    Inventors: Philip D. Bush, Derek W. Bailey