Patents by Inventor Bruce E. Murphree

Bruce E. Murphree 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).

  • Process for improving adiponitrile quality
    Patent number: 8101790
    Abstract: A process and apparatus for reacting deleterious impurities contained in adiponitrile (ADN) comprises feeding ADN and an ozone containing gas into a co-current plug flow reactor containing static mixer elements, to oxidize at least a portion of the impurities, thereby producing a reactor discharge, which is processed to produce an ozone-treated ADN product.
    Type: Grant
    Filed: June 12, 2008
    Date of Patent: January 24, 2012
    Assignee: Invista North America S.A.R.L.
    Inventors: John J. Ostermaier, Bruce E. Murphree
  • PROCESS FOR IMPROVING ADIPONITRILE QUALITY
    Publication number: 20080319219
    Abstract: A process and apparatus for reacting deleterious impurities contained in adiponitrile (ADN) comprises feeding ADN and an ozone containing gas into a co-current plug flow reactor containing static mixer elements, to oxidize at least a portion of the impurities, thereby producing a reactor discharge, which is processed to produce an ozone-treated ADN product.
    Type: Application
    Filed: June 12, 2008
    Publication date: December 25, 2008
    Applicant: INVISTA NORTH AMERICA S.A R.L.
    Inventors: John J. Ostermaier, Bruce E. Murphree
  • Catalyst recovery in the carbonylation of chlorobutenes to pentenoyl chloride
    Patent number: 5399753
    Abstract: Palladium catalyst residue is recovered from still heels by treating the still heels with hydrochloric acid, converting the palladium component to crotyl palladium chloride, and using the crotyl palladium chloride as catalyst in the carbonylation of chlorobutene to 3-pentenoyl chloride.
    Type: Grant
    Filed: May 4, 1994
    Date of Patent: March 21, 1995
    Assignee: DSM, N. V.
    Inventors: Bruce E. Murphree, Emilio E. Bunel