Uninhibited electrical insulating oil

Details Uninhibited electrical insulating oil Uninhibited electrical insulating oil

2005-10-20

2010-02-23

McAvoy, Ellen M (Department: 1797)

Mineral oils: processes and products

Products and compositions

Lubricating oils

C208S018000, C252S570000, C585S006300, C585S006600

Reexamination Certificate

active

07666295

ABSTRACT:
An uninhibited electrical insulating oil is prepared by blending a severely hydrotreated naphthenic distillate base oil having a viscosity of from about 50 to about 80 SSU at 38° C. and an aniline point from about 63° to about 84° C. with a solvent extracted, non-hydrogenated paraffinic distillate having at least 9.0 wt. % aromatic content.

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Shell Diala® Oils A & AX Electrical insulating oil (product literature from Shell Oil Co.).
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