Electrical insulating oil compositions
US4324933A · kind A · utility
6Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 1980 |
| Grant date | Apr 13, 1982 |
| Priority date | — |
| Expiry date | Jun 24, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/17
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An electrical insulating oil composition consisting essentially of 50-85 parts by weight of a paraffinic or mixed base crude oil-derived electrical insulating oil, 50-15 parts by weight of a naphthenic base crude oil-derived electrical insulating oil, and 0.001-1.0% by weight of a hydrocarbon-derived pour point depressant, based on the total weight of said two oils.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.