Low pour high vi lubes via co-processing solvent dewaxing

Details Low pour high vi lubes via co-processing solvent dewaxing Low pour high vi lubes via co-processing solvent dewaxing

C - Chemistry, Metallurgy

10

G

C10G 73/06 (2006.01) C10G 73/12 (2006.01) C10M 101/02 (2006.01)

Patent

CA 2047075

ABSTRACT OF THE DISCLOSURE High boiling high VI wax isomerates and natural waxy oil distillates can be solvent dewaxed to low pour point under miscible conditions by combining said high boiling high VI stocks with from 5 to 50 LV% of a lower boiling conventional VI waxy lube oil and co-processing the mixture under conventional solvent dewaxing conditions. The resultant low pour mixture can subsequently be fractionated into high yields of the high boiling high VI component and of the lower boiling, conventional VI component, both components exhibiting low pour points.

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