Patents by Inventor Patrick J. Bullen

Patrick J. Bullen 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).

  • Decomposition of cumene hydroperoxide
    Patent number: 7141700
    Abstract: A process for the decomposition of a cumene oxidation product mixture to produce phenol and acetone with reduced by-product formation by introducing the cumene oxidation mixture into an inlet of a decomposing vessel containing indirect heat exchange surfaces wherein the cumene oxidation product mixture and a circulating stream are admixed, reacted and cooled by passage around the indirect heat exchange surfaces.
    Type: Grant
    Filed: August 19, 2005
    Date of Patent: November 28, 2006
    Assignee: UOP LLC
    Inventors: Robert J. Schmidt, Russell C. Schulz, Patrick J. Bullen, Constante P. Tagamolila, Steven P. Lankton, Gary A. Peterson, Michael E. Fettis
  • Process for the reduction of phenol content in a crude organic stream recovered from a phenol stripper
    Patent number: 5487816
    Abstract: A process to separate in a fractionation zone an admixture comprising phenol, alpha-methylstyrene and water to produce an alpha-methylstyrene stream containing a minimum of phenol. The pH of the overhead aqueous phase is adjusted with a base to greater than about 6.
    Type: Grant
    Filed: June 24, 1994
    Date of Patent: January 30, 1996
    Assignee: UOP
    Inventors: Russell C. Schulz, Constante P. Tagamolila, Patrick J. Bullen