Patents by Inventor Don W. Mullins

Don W. Mullins 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).

  • Front-end hydrogenation and absorption process for ethylene recovery
    Patent number: 5220097
    Abstract: A continuous process is described for contacting an olefins-containing feed gas stream, freed of CO.sub.2 and sulfur compounds, in a front-end heat-pumped depropanizer to remove the C.sub.
    Type: Grant
    Filed: February 19, 1992
    Date of Patent: June 15, 1993
    Assignees: Advanced Extraction Technologies, Inc., Kinetic Technology International Corp.
    Inventors: Wilfred K. Lam, Yuv R. Mehra, Don W. Mullins