Non-halogenated impregnant for capacitors comprising an aromatic carboxylic acid ester and an alkene
US4290926A · kind A · utility
16Cited by
5References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 19, 1978 |
| Grant date | Sep 22, 1981 |
| Priority date | — |
| Expiry date | Jun 19, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/17
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrical capacitor is impregnated with a base impregnant of a non-halogenated aromatic liquid which absorbs gas in the range of 40.degree. to 100.degree. to which is added a material that is a greater gas absorber over the same temperature range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.