Patent · US Expired

Electrolytic capacitor

US4747021A · kind A · utility

2Cited by
3References
11Claims
0Family size

Assignees

Inventors

Key dates

Filing dateAug 11, 1987
Grant dateMay 24, 1988
Priority date
Expiry dateAug 11, 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 benzoic acid or its salt and an aliphatic saturated dibasic carboxylic acid having an odd number of carbon atoms or its salt.

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