Dielectric liquid compositions containing hydroxybenzaldehyde
US5014033A · kind A · utility
2Cited by
9References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1989 |
| Grant date | May 7, 1991 |
| Priority date | — |
| Expiry date | Sep 27, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/17
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Novel dielectrically improved liquid compositions include at least one electrical insulating oil (A), e.g., benzyltoluene or oligomers thereof, and at least one aldehyde (B) containing at least six carbon atoms, or a functionally substituted such aldehyde, e.g., 3-ethoxy-4-hydroxybenzaldehyde.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.