Patents by Inventor Wayne A. Turner

Wayne A. Turner 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).

  • Ethylene recovery in direct-oxidation ethylene oxide processes
    Patent number: 5233060
    Abstract: In a direct-oxidation ethylene oxide process of the type comprising a) reacting a feed gas stream including ethylene and a commercially-pure oxygen in one or more reactors and b) absorbing out ethylene oxide from the product stream from the one or more reactors in a first absorption zone, the improvement comprising recovering unreacted ethylene from an ethylene-rich argon purge gas stream via an absorber and a stripper in combination, recycling the recovered ethylene to the feed gas stream, and purging an ethylene-lean argon purge gas stream.
    Type: Grant
    Filed: August 13, 1992
    Date of Patent: August 3, 1993
    Assignee: The Dow Chemical Company
    Inventors: John G. Pendergast, Wayne A. Turner, Harold B. Martin, Jr., Stephen A. Noding