Patents Represented by Attorney, Agent or Law Firm John G. Curtis, Jr.
  • Process for hydrocracking a hydrocarbonaceous feedstock
    Patent number: 6451197
    Abstract: A catalytic hydrocracking process wherein a hydrocarbonaceous feedstock and a liquid recycle stream having a temperature greater than about 500° F. and saturated with hydrogen is contacted with hydrogen and a metal promoted hydrocracking catalyst in a hydrocracking reaction zone at elevated temperature and pressure to obtain conversion to lower boiling hydrocarbons.
    Type: Grant
    Filed: February 13, 2001
    Date of Patent: September 17, 2002
    Assignee: UOP LLC
    Inventor: Tom N. Kalnes