C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/51
C10G 21/02 (2006.01)
Patent
CA 1081643
ABSTRACT OF THE DISCLOSURE A very low pour point transformer oil is produced by a process wherein a narrow cut distillate of a paraffinic crude from conventional crude oil atmospheric or vacuum towers is first solvent extracted to remove aromatics and polar components, followed by immiscible solvent dewaxing whereby two liquid and one solid phases form a wax-containing slurry which is filtered to produce a wax cake which contains a high viscosity index oil and a filtrate which contains a very low pour point transformer oil.
270345
Gudelis David A.
Reid Lloyd E.
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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