Title:
METHOD OF MAKING TRANSFORMER OIL
Document Type and Number:
Japanese Patent JPS5335706
Kind Code:
A
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 DEG to 400 DEG 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.
Inventors:
BUARUTAA GAISUTERUTO
URURITSUHI KUREEMAA
GOTSUTOFURIITO KURITSUPERU
URURITSUHI KUREEMAA
GOTSUTOFURIITO KURITSUPERU
Application Number:
JP10978177A
Publication Date:
April 03, 1978
Filing Date:
September 12, 1977
Export Citation:
Assignee:
TEXACO AG
International Classes:
C10G53/00; C10G67/00; C10G67/04; H01B3/20; H01B3/22; (IPC1-7): C10G34/00; C10M1/00