Patents Represented by Attorney R. C. Lutton

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  • Sulfur disposal
    Patent number: 4599160
    Abstract: Hydrogen sulfide recovered from pyrolysis zone effluent is separated and burned to produce sulfur oxides which are reacted with solid spent mineral byproduct.
    Type: Grant
    Filed: February 14, 1985
    Date of Patent: July 8, 1986
    Assignee: Phillips Petroleum Company
    Inventor: Bruce W. Gerhold
  • Retorting process with contaminant removal
    Patent number: 4599161
    Abstract: Hydrogen sulfide issuing from an oil shale retort is captured in an absorbent bed. When the bed is regenerated as with oxygen containing gas, the sulfur dioxide liberated is reintroduced into the retort for reaction with the spent shale.
    Type: Grant
    Filed: November 30, 1984
    Date of Patent: July 8, 1986
    Assignee: Phillips Petroleum Company
    Inventors: James Scinta, Arlo J. Moffat
  • Attrition resistant particles and preparation of same
    Patent number: 4572439
    Abstract: Particulate materials such as catalyst or catalyst substrate are slurried and exposed to ultrasonic energy in a rapid attrition treatment.
    Type: Grant
    Filed: November 30, 1983
    Date of Patent: February 25, 1986
    Assignee: Phillips Petroleum Company
    Inventor: Emory W. Pitzer