Process for the production of a transformer oil

Details Process for the production of a transformer oil Process for the production of a transformer oil

1979-02-09

1981-12-01

Gantz, Delbert E.

Mineral oils: processes and products

Paraffin wax; treatment or recovery

Separation of paraffin from oil

252575, 585 13, C10G 7302

Patent

active

043034993

ABSTRACT:
A process is provided for the production of a stable, age-resisting mineral oil composition which comprises subjecting a paraffin base mineral crude oil to distillation to produce a distillate fraction boiling in the range of 270.degree. to 400.degree. C., solvent dewaxing said distillate fraction, solvent extracting said dewaxed distillate portion to produce a solvate fraction and an extract fraction, refining said solvate fraction, concentrating and refining said extract fraction and adding said refined, concentrated extract portion with said refined solvate fraction.

REFERENCES:
patent: 3093576 (1963-11-01), Campbell
patent: 3627673 (1971-12-01), Sproule et al.
patent: 4033854 (1977-07-01), Ohmoriu et al.

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