Mineral oils: processes and products – Chemical conversion of hydrocarbons – With prevention or removal of deleterious carbon...
Reexamination Certificate
2006-08-29
2006-08-29
Griffin, Walter D. (Department: 1764)
Mineral oils: processes and products
Chemical conversion of hydrocarbons
With prevention or removal of deleterious carbon...
C524S064000, C524S065000, C524S069000, C524S134000, C524S484000, C525S142000
Reexamination Certificate
active
07097759
ABSTRACT:
A method for dispersing asphaltenes in a petroleum product by adding to the petroleum product 0.001% to 20% of at least one compound having formula (V)wherein R14is C15–C21alkyl. In addition to dispersing asphaltenes, the method of the present invention typically also increases demulsibility, reduces viscosity, reduces sediment formation, reduces surface fouling and reduces corrosion.
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Crimaldi Kenneth
Griffin Walter D.
Rohm and Haas Company
Singh Prem C.
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