Electrolytic capacitor
US4734821A · kind A · utility
26Cited by
5References
13Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | May 13, 1987 |
| Grant date | Mar 29, 1988 |
| Priority date | — |
| Expiry date | May 13, 2007 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01G9/022
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrolytic capacitor comprising a capacitor element and an electrolyte impregnated to the element, wherein the electrolyte comprises an organic polar solvent and a solute dissolved in the solvent, said solute being selected from the group consisting of a quaternary ammonium salt of an aromatic carboxylic acid, a quaternary ammonium salt of cycloalkene carboxylic acid and a quaternary ammonium salt of an unsaturated aliphatic carboxylic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.