Patents Represented by Attorney Llewellynn A. Proctor

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  • Reforming with polymetallic catalysts
    Patent number: 4701255
    Abstract: A process for reforming a naphtha feed at reforming conditions by contacting said feed, and hydrogen, with a halogenated, supported platinum catalyst promoted with an agglomerated iridium component. The iridium component is agglomerated sufficient to exhibit a crystallinity greater than 50 percent, preferably greater than 75 percent, and more preferably 100 percent, as measured by x-ray.
    Type: Grant
    Filed: November 21, 1986
    Date of Patent: October 20, 1987
    Assignee: Exxon Research and Engineering Company
    Inventor: William C. Baird, Jr.
  • Recycling centrifuge for the reduction of viscosity and gel strength of drilling fluids
    Patent number: 4297225
    Abstract: The invention relates to process and apparatus for reducing the viscosity and gel strength of drilling fluids, or muds, without any necessity of introducing additives, or chemicals, into the mud.
    Type: Grant
    Filed: August 10, 1978
    Date of Patent: October 27, 1981
    Inventor: Bobby G. Hartley