Patents by Inventor Dexter Edge, Jr.

Dexter Edge, Jr. 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 volatile organic components from spent sulfite effluent
    Patent number: 4155804
    Abstract: Volatile organic components are removed from the effluent liquor of an acid sulfite digestion process by concentrating the effluent liquor in multiple stages to form an organic-rich aqueous fraction, an organic-lean aqueous fraction and a high solids content fraction, continuously withdrawing the organic-lean and high solids content fraction from the recovery process, continuously recycling the organic-rich fraction to the digestion step to form a closed loop which acts to build up the concentration of volatile organic components, and continuously separating and withdrawing from the closed loop the bulk of the volatile organic components in a stream more concentrated than that of the closed loop.
    Type: Grant
    Filed: March 17, 1975
    Date of Patent: May 22, 1979
    Assignee: International Telephone and Telegraph Corporation
    Inventor: Dexter Edge, Jr.