Patent · US Expired

Electrolytic capacitor and electrolyte

US4107761A · kind A · utility

5Cited by
9References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 28, 1977
Grant dateAug 15, 1978
Priority date
Expiry dateMar 28, 1997

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01G9/022
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An electrolytic capacitor containing a novel electrolyte comprising solute selected from ammonium pentaborate and its mixture with boric acid and solvent comprising ethylene glycol, at least one ketone selected from 2,4-pentanedione, 2,4-hexanedione, 5-hydroxy-2-pentanone, and cyclohexanone, and their mixtures with other polar organic solvents. The electrolyte may also contain added water.

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