Patents by Inventor Joseph M. Dufallo

Joseph M. Dufallo 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).

  • Catalyst regeneration in a dehydrogenation process
    Patent number: 5315056
    Abstract: In a dehydrogenation process wherein catalyst is regenerated off-stream by use of heated air, at least two reactors are in the regeneration cycle, with regeneration air being heated to regeneration catalyst temperature for introduction into the first reactor, and thereafter being reheated to catalyst regeneration temperature and introduced into the second reactor. Such air may also be employed for preheating feed to the dehydrogenation reactor and/or for steam generation by heating such air to the temperature required for such procedure.
    Type: Grant
    Filed: February 14, 1992
    Date of Patent: May 24, 1994
    Assignee: ABB Lummus Crest Inc.
    Inventors: Robert J. Feldman, Joseph M. Dufallo, William A. Schwartz, Theodore S. Williams