Patents by Inventor Fletcher L. Moore

Fletcher L. Moore 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).

  • Removal of Zn or Cd and cyanide from cyanide electroplating wastes
    Patent number: 4026790
    Abstract: A method is described for the efficient stripping of stable complexes of a selected quaternary amine and a cyanide of Zn or Cd. An alkali metal hydroxide solution such as NaOH or KOH will quantitatively strip a pregnant extract of the quaternary ammonium complex of its metal and cyanide content and regenerate a quaternary ammonium hydroxide salt which can be used for extracting further metal cyanide values.
    Type: Grant
    Filed: March 7, 1975
    Date of Patent: May 31, 1977
    Assignee: The United States of America as represented by the United States Energy Research and Development Administration
    Inventor: Fletcher L. Moore