Mineral oils: processes and products – Refining – Sulfur removal
Reexamination Certificate
2005-10-18
2005-10-18
Griffin, Walter D. (Department: 1764)
Mineral oils: processes and products
Refining
Sulfur removal
C208S248000, C208S296000, C208S299000, C208S305000
Reexamination Certificate
active
06955752
ABSTRACT:
Sorbent compositions for the removal of sulfur from cracked-gasoline and diesel fuels are prepared by the impregnation of a sorbent support comprising zinc oxide, expanded perlite, and alumina with a promotor metal followed by reduction of the valence of the promotor metal in the resulting promotor metal sorbent support composition.
REFERENCES:
patent: 2951034 (1960-08-01), Archibald
patent: 6129835 (2000-10-01), Lesieur et al.
patent: 6254766 (2001-07-01), Sughrue et al.
ConocoPhilips Company
Griffin Walter D.
Welvaert Bronwyn A.
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