Patent · US Expired

Electrolytic capacitor

US4831499A · kind A · utility

2Cited by
5References
8Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJul 15, 1988
Grant dateMay 16, 1989
Priority date
Expiry dateJul 15, 2008

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 a reaction product of citraconic acid with trialkylamine dissolved in a solvent selected from the group consisting of lactones, glycols and mixtures thereof.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.