Patents by Inventor Alton B. Whitehead

Alton B. Whitehead 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).

  • Supercritical fluid metal halide separation process
    Patent number: 4853205
    Abstract: Process of using supercritical fluid to selectively separate, purify and recover metal halides.
    Type: Grant
    Filed: March 12, 1987
    Date of Patent: August 1, 1989
    Assignee: The United states of America as represented by the Secretary of the Interior
    Inventors: William K. Tolley, Alton B. Whitehead