Mineral oils: processes and products – Fractionation – Distillation
Reexamination Certificate
2005-02-15
2005-02-15
Griffin, Walter D. (Department: 1764)
Mineral oils: processes and products
Fractionation
Distillation
C208S247000, C208S263000, C203SDIG002
Reexamination Certificate
active
06855248
ABSTRACT:
A process for distilling paraffinic hydrocarbons comprises feeding a Fischer-Tropsh derived paraffinic hydrocarbon feedstock comprising heavy paraffinic hydrocarbons and, optionally, light and/or medium paraffinic hydrocarbons, into a distillation column. The distillation column is operated to produce usable waqx products. An overhead stream, a bottom stream, and at least one side stream, are withdrawn from the distillation column. All the wax products obtained are usable wax products.
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Adams Vernon Jeremay
Calder Roy Alexander
Duckitt Charles
Moodley Vinothen
Olivier Anthony John
Griffin Walter D.
Ladas & Parry LLP
Nguyen Tam
Sasol Wax (South Africa) (Proprietary) Limited
Sulzer Chemtech Limited
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