Mineral oils: processes and products – Refining – Sulfur removal
Reexamination Certificate
2007-12-11
2007-12-11
Nguyen, Tam M. (Department: 1764)
Mineral oils: processes and products
Refining
Sulfur removal
C208S209000, C208S21600R, C208S217000, C208S243000, C208S244000
Reexamination Certificate
active
10449714
ABSTRACT:
A process for hydrodesulphurizing gasoline cuts is carried out in the presence of a catalyst comprising at least one group VIII element, at least one group VIB element, and a support with a specific surface area of less than about 200 m2/g, wherein the density of the group VIB elements per unit surface area of the support is in the range 4×10−4to 36×10−4g of group VIB element oxides per m2of the support.
REFERENCES:
patent: 6174443 (2001-01-01), Ruckenstein et al.
patent: 6315890 (2001-11-01), Ladwig et al.
patent: 6610197 (2003-08-01), Stuntz et al.
patent: 6716339 (2004-04-01), Liu et al.
patent: 6746598 (2004-06-01), Zanibelli et al.
Bouchy Christophe
Cremer Stephane
Marchal-George Nathalie
Petit-Clair Carine
Picard Florent
Institut Francais du Pe'trole
Millen White Zelano & Branigan P.C.
Nguyen Tam M.
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