Patents Represented by Attorney Henry E. Nayler

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  • Hydroprocessing reactor with enhanced product selectivity
    Patent number: 5670116
    Abstract: Petroleum reactors are provided which are comprised of one or more serially disposed reaction zones, each zone containing a suitable catalyst, wherein each reaction zone is followed by a non-reaction zone. One or more of said reaction zones contains a vapor by-pass means such that the vapor from one or more upstream non-reaction zones by-passes one or more downstream reaction zones and is introduced into a downstream non-reaction zone.
    Type: Grant
    Filed: December 5, 1995
    Date of Patent: September 23, 1997
    Assignee: Exxon Research & Engineering Company
    Inventors: Ramesh Gupta, Edward S. Ellis