Patents by Inventor Edward P. Mecchi

Edward P. Mecchi 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).

  • Regeneration of spent activated carbon with formaldehyde
    Patent number: 4073747
    Abstract: Spent activated carbon is regenerated by contacting it with formaldehyde in an amount sufficient to restore its activation. Following the treatment the regenerated carbon is rinsed to remove residual formaldehyde and is then ready for use.
    Type: Grant
    Filed: December 13, 1976
    Date of Patent: February 14, 1978
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Karel Popper, Wayne M. Camirand, Gerald S. Williams, Edward P. Mecchi