Electrical insulating oils

Details Electrical insulating oils Electrical insulating oils

1976-03-31

1978-01-17

Levine, Herbert

Compositions

Electrolytes for electrical devices

208 14, 208 19, 252 73, H01B 322

Patent

active

040691659

ABSTRACT:
An electrical insulating oil consisting essentially of (1) a mineral oil, as the base oil for the product oil, containing not more than 0.35 wt.% of sulphur and being prepared by refining a distillate containing at least 80 wt.% of a fraction boiling at 230.degree.-430.degree. C at atmospheric pressure, the distillate being obtained by the distillation of paraffin or mixed base crude oils, (2) at least one arylalkane and, if desired, (3) a hydrocarbon-derived pour point depressant.

REFERENCES:
patent: 2787582 (1957-04-01), Watkins
patent: 2810769 (1957-10-01), Sanford et al.
patent: 3036010 (1962-05-01), Freier
patent: 3549537 (1970-12-01), Brewster et al.
patent: 3627673 (1971-12-01), Sproule et al.
patent: 3673093 (1972-06-01), Rocchi

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