Process for the preparation of a lubricating base oil

Details Process for the preparation of a lubricating base oil Process for the preparation of a lubricating base oil

1988-10-17

1990-03-06

Myers, Helane

Mineral oils: processes and products

Refining

Sweetening

208 18, 208 58, 208111, 208143, 208 28, C10G 6504

Patent

active

049063502

ABSTRACT:
A process is disclosed for the preparation of a lubricating base oil with a high viscosity index and a low pour point by catalytic dewaxing, which process comprises contacting at dewaxing conditions a feedstock containing at least part of the hydrocrackate of a wax-containing mineral oil fraction, which feedstock has a kinematic viscosity at 100.degree. C. of, at most, 10 mm.sup.2 /s, with a dewaxing catalyst. The invention further provides a lubricating mineral base oil comprising hydrocarbons with a boiling point of at least 250.degree. C., and having a viscosity index of at least 125 and a pour point of at most -25.degree. C.

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patent: 4795546 (1989-01-01), Miller

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