Patents by Inventor Jay B. Clitheroe

Jay B. Clitheroe 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 of zinc from sulfite-bisulfite solution
    Patent number: 4053552
    Abstract: Zinc values are leached or converted in a solution containing excess SO.sub.2 or HSO.sub.3.sup.- ions, selectively extracted from that solution into an organic phase containing organo acid phosphates and stripped from the organic phase for further processing.
    Type: Grant
    Filed: March 15, 1976
    Date of Patent: October 11, 1977
    Assignees: General Mills Chemicals Co., Mineral & Chemical Resource Co.
    Inventors: Jay B. Clitheroe, Robert Brantley Sudderth