Mineral oils: processes and products – Refining – Sulfur removal
Reexamination Certificate
2007-05-29
2007-05-29
Caldarola, Glenn (Department: 1764)
Mineral oils: processes and products
Refining
Sulfur removal
C208S089000, C208S213000, C208S217000, C208S238000, C252S400610, C252S400610, C252S478000
Reexamination Certificate
active
10449725
ABSTRACT:
Conducting the hydrodesulphurization of gasoline cuts in the presence of a catalyst comprising at least one support, at least one element of group VIII and tungsten, in which the atomic ratio (element of group VIII)/(element of group VIII+tungsten) is greater than 0.15 and less than 0.50, preferably 0.35–0.40 inclusive.
REFERENCES:
patent: 4113603 (1978-09-01), Bauer
patent: 4334982 (1982-06-01), Jacquin et al.
patent: 5807477 (1998-09-01), Hearn et al.
patent: 6126814 (2000-10-01), Lapinski et al.
Bouchy Christophe
Cremer Stephane
Marchal-George Nathalie
Petit-Clair Carine
Picard Florent
Caldarola Glenn
Millen White Zelano & Branigan P.C.
Singh Prem C.
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