Mineral oils: processes and products – Oxidation of mineral oils – With cracking
Reexamination Certificate
2004-10-20
2010-10-26
Griffin, Walter D (Department: 1797)
Mineral oils: processes and products
Oxidation of mineral oils
With cracking
C208S096000, C208S196000, C208S20800M, C208S219000, C208S240000, C208S265000
Reexamination Certificate
active
07820031
ABSTRACT:
The present disclosure is directed to a multi-stage system and a process utilizing said system with the design of reducing the sulfur-content in a liquid comprising hydrocarbons and organosulfur compounds. The process comprising at least one of the following states: (1) an oxidation stage; (2) an extraction state; (3) a raffinate washing stage; (4) a raffinate polishing stage; (5) a solvent recovery stage; (6) a solvent purification stage; and (7) a hydrocarbon recovery stage. The process for removing sulfur-containing hydrocarbons from gas oil, which comprises oxidizing gas oil comprising hydrocarbons and organosulfur compounds to obtain a product gas oil.
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Bonde Steven E.
D'Alessandro Robert N.
Jones Jerald Andrew
Leininger Stefan
Tarabocchia John
Degussa Corporation
Griffin Walter D
Nguyen Huy-Tram
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
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