Patents by Inventor Robert Nedwick

Robert Nedwick 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).

  • Propylene oxide production
    Patent number: 5973171
    Abstract: An integrated process is provided for the production of propylene oxide from propane wherein propane is dehydrogenated to propylene and hydrogen and the resulting propylene, propane, and hydrogen mixture together with added oxygen is reacted over a palladium on titanium silicilite catalyst to form propylene oxide, the molar ratio of oxygen to hydrogen in the reaction feed being at least about 2/1.
    Type: Grant
    Filed: October 7, 1998
    Date of Patent: October 26, 1999
    Assignee: ARCO Chemical Technology, LP
    Inventors: Robert N. Cochran, John C. Jubin, Jr., Mark A. Liepa, Robert Nedwick, Rangasamy Pitchai, W. Wayne Wentzheimer
  • Purification of ditertiary butyl peroxide
    Patent number: 5453548
    Abstract: A process for the separation of ditertiary butyl peroxide form tertiary butanol is provided which includes the step of dehydrating the tertiary butanol to isobutylene and water.
    Type: Grant
    Filed: October 25, 1994
    Date of Patent: September 26, 1995
    Assignee: ARCO Chemical Technology, L.P.
    Inventors: Robert Nedwick, Jeffrey M. McFarland, Leonard A. Fabiano
  • Cyclohexane oxidation
    Patent number: 5043481
    Abstract: The present invention relates to the oxidation of a cycloalkane to produce a product comprised of cycloalkylhydroperoxide with the removal of a vapor stream from the oxidation zone wherein oxidation products such as hydroperoxide, cycloalkanol and cycloalkanone are separated from the removed stream before the stream is recycled to the oxidation zone.
    Type: Grant
    Filed: September 28, 1990
    Date of Patent: August 27, 1991
    Assignee: Arco Chemical Technology, Inc.
    Inventor: Robert Nedwick