Patents by Inventor Daniel A. Zarate

Daniel A. Zarate 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).

  • Ion exchange removal of cations under chelating/complexing conditions
    Patent number: H1661
    Abstract: A process for removing complexed or chelated ions from an aqueous solution using a cationic chelating resin in the sodium form. The process is particularly useful for removing metal ions chelated during a metal plating process with specific utility for recovering cadmium from a cadmium cyanide complex.
    Type: Grant
    Filed: August 30, 1994
    Date of Patent: July 1, 1997
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Jennie L. Koff, Daniel A. Zarate