Lubricating base oil compositions

Details Lubricating base oil compositions Lubricating base oil compositions

C - Chemistry, Metallurgy

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253/127, 196/53

C10L 1/16 (2006.01) C10G 45/00 (2006.01) C10M 101/02 (2006.01) C10M 169/04 (2006.01)

Patent

CA 1185962

A B S T R A C T Lubricating base oil compositions containing: (a) a lubricating base oil prepared from a vacuum distillate, a deasphalted vacuum residue or a mixture thereof, by applying to it a severe catalytic hydrotreatment, if desired, in combination with a solvent extraction, and (b) 0.01-20%w of an oil prepared from a vacuum distillate, a deasphalted vacuum residue or a mixture thereof, by applying to it a combination of a mild catalytic hydrotreatment and a solvent extraction show improved oxidation and daylight stability.

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