Upgrading asphaltene containing oils

Details Upgrading asphaltene containing oils Upgrading asphaltene containing oils

2005-06-21

2008-10-14

Caldarola, Glenn (Department: 1797)

Mineral oils: processes and products

Refining

C208S039000, C208S370000

Reexamination Certificate

active

07435333

ABSTRACT:
A method for reducing the viscosity and surface wetting tendency of an oil containing hydrophilic aspaltenes comprises adding to said oil an amount of hydrophobic asphaltenes in the range of 1 to 80 wt % based on weight of the hydrophilic asphaltense of said oil.

REFERENCES:
patent: 4420008 (1983-12-01), Shu
patent: 6187172 (2001-02-01), Plummer
patent: 6402934 (2002-06-01), Chheda et al.
patent: 7037724 (2006-05-01), Stark et al.
patent: 2002/0062860 (2002-05-01), Stark et al.
patent: 2005/0106738 (2005-05-01), Stark et al.

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