Patent · US Expired

Capacitor

US4054937A · kind A · utility

24Cited by
4References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 28, 1976
Grant dateOct 18, 1977
Priority date
Expiry dateApr 28, 1996

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2040/17
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A capacitor is disclosed of layers of metal foil alternating with insulating sheets impregnated with a dielectric fluid. The dielectric fluid comprises a mixture of 80 to 99% by weight mono-ethylated, mono-propylated, or mono-butylated biphenyl, biphenyl oxide, or biphenyl methane and about 1 to about 20% by weight di-ethylated, di-propylated, or di-butylated biphenyl, biphenyl oxide, or biphenyl methane.

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