发明名称 |
Process for the production of a transformer oil |
摘要 |
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.
|
申请公布号 |
US4303499(A) |
申请公布日期 |
1981.12.01 |
申请号 |
US19790010873 |
申请日期 |
1979.02.09 |
申请人 |
DEUTSCHE TEXACO AKTIENGESELLSCHAFT |
发明人 |
GEISTERT, WALTER;KRAEMER, ULRICH;KLIPPEL, GOTTFRIED |
分类号 |
C10G67/04;C10G53/00;C10G67/00;H01B3/20;H01B3/22;(IPC1-7):C10G73/02 |
主分类号 |
C10G67/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|